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An overview of fractal antenna geometries
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A wideband published slot antenna appropriate for wireless code division multiple access (WCDMA) and sustaining the international interoperability for microwave access (WiMAX) applications is planned here. The antenna is fractal line fed and its construction is based on fractal geometry where the resonance frequency of antenna is dropped by applying iteration methods. Fractal antennas are the most suited for aerospace and UWB applications because of their low profile, light weight and low power handling capacity. They can be designed in a variety of shapes in order to obtain enhanced gain and bandwidth, dual band and circular polarization to even ultra-wideband operation. For the simulation process ANSOFT HFSS (high frequency structure simulator) has been used. The effect of antenna dimensions and substrate parameters on the performance of antenna have been discussed. The antenna has been designed using the Arlon substrate with relative permittivity of 1.3 and a substrate of Sierpinski Carpet shaped placed on it. Feed used is the fractal line feed. The designed antenna is a low profile, small size and multiband antenna since it can be operated at different frequencies within the frequency range of 4.3GHz to 11GHz. It includes the frequencies used for wireless WCDMA application and used to receive and transmit a high-frequency signal.
Efficient Design of Sierpinski Fractal Antenna for High Frequency Applications
Efficient Design of Sierpinski Fractal Antenna for High Frequency Applications
IJERA Editor
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Fractal Antenna Presentation which gives basic idea of fractal geometry
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In the Field of low profile antennamicro strip patch antennas have attracted many researchers due to small sizeand low cost of fabrication. One of trending member of new designs is Fractalantenna. Fractal shapes are recursive/repetitive self-similar geometries, dueto this self-similarity they can provide high gain, multiband, widebandsolutions and design miniature antenna. Fractal shapes are widely used incomputing, analysis and design; recent trends suggest positive outcomes ofusing fractal shapes in electromagnetics and communication system. In thispaper Jerusalem cube fractal shape is introduced in probe fed conventionalpatch antenna for L1 band. A dual band antenna resonating at 1.41 GHz (L) and3.37 (S) GHz, band is constructed using said fractal shape.
MINIATURISATION OF PATCH ANTENNA USING NOVEL FRACTAL GEOMETRY
MINIATURISATION OF PATCH ANTENNA USING NOVEL FRACTAL GEOMETRY
IAEME Publication
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This ppt describes the ways of designing a fractal antenna , it's limitations and advantages over normal antennas and the applications associated with it.(brief view)...
A glimpse of fractal antenna design
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This paper on fractal techniques for designing microstrip antenna exhibits details of fractal geometries developed to get multiband behavior of patch resonator antenna. In this paper the review on various techniques of compactness by fractal geometry on microstrip patch antenna for X band used for satellite communication and radar application are presented.
REVIEW OF FRACTAL TECHNIQUES FOR DESIGNING MICROSTRIP PATCH ANTENNA FOR X BAND
REVIEW OF FRACTAL TECHNIQUES FOR DESIGNING MICROSTRIP PATCH ANTENNA FOR X BAND
IJEEE
Â
Abstract An innovative concept is utilized to develop the fractal antenna by coalesce the Koch prefractal and meander line. This fractal antenna is proposed for multistandard wireless applications. The shape and dimensions of the proposed antenna are chosen to obtain the multiband behaviour as well as miniaturized structure. Initially two different fractal concepts have been chosen through previous research and merged them to obtain more than two resonant frequencies. The proposed design characterizes four bands at resonant frequencies 2.5 GHz, 6.4 GHz, 7.2 GHz and 8.15 GHz with a return loss of -12.05 dB, -16.68 dB, -14.87 dB and -26.51 dB respectively. This design also represents VSWR between the required range of 1 to 2 for the presented resonant frequencies with an appropriate value of gain in dB. The antenna is analysed with Ansoft HFSS-13.0 electromagnetic field solver. Keywords: Microstrip antennas, fractal antennas, miniaturized, multistandard, wireless applications
Design and development of a novel fractal antenna for wireless applications
Design and development of a novel fractal antenna for wireless applications
eSAT Journals
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A wideband published slot antenna appropriate for wireless code division multiple access (WCDMA) and sustaining the international interoperability for microwave access (WiMAX) applications is planned here. The antenna is fractal line fed and its construction is based on fractal geometry where the resonance frequency of antenna is dropped by applying iteration methods. Fractal antennas are the most suited for aerospace and UWB applications because of their low profile, light weight and low power handling capacity. They can be designed in a variety of shapes in order to obtain enhanced gain and bandwidth, dual band and circular polarization to even ultra-wideband operation. For the simulation process ANSOFT HFSS (high frequency structure simulator) has been used. The effect of antenna dimensions and substrate parameters on the performance of antenna have been discussed. The antenna has been designed using the Arlon substrate with relative permittivity of 1.3 and a substrate of Sierpinski Carpet shaped placed on it. Feed used is the fractal line feed. The designed antenna is a low profile, small size and multiband antenna since it can be operated at different frequencies within the frequency range of 4.3GHz to 11GHz. It includes the frequencies used for wireless WCDMA application and used to receive and transmit a high-frequency signal.
Efficient Design of Sierpinski Fractal Antenna for High Frequency Applications
Efficient Design of Sierpinski Fractal Antenna for High Frequency Applications
IJERA Editor
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Fractal Antenna Presentation which gives basic idea of fractal geometry
Fractal antenna by Nisheeth Paliwal
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Asha Maharana
Â
In the Field of low profile antennamicro strip patch antennas have attracted many researchers due to small sizeand low cost of fabrication. One of trending member of new designs is Fractalantenna. Fractal shapes are recursive/repetitive self-similar geometries, dueto this self-similarity they can provide high gain, multiband, widebandsolutions and design miniature antenna. Fractal shapes are widely used incomputing, analysis and design; recent trends suggest positive outcomes ofusing fractal shapes in electromagnetics and communication system. In thispaper Jerusalem cube fractal shape is introduced in probe fed conventionalpatch antenna for L1 band. A dual band antenna resonating at 1.41 GHz (L) and3.37 (S) GHz, band is constructed using said fractal shape.
MINIATURISATION OF PATCH ANTENNA USING NOVEL FRACTAL GEOMETRY
MINIATURISATION OF PATCH ANTENNA USING NOVEL FRACTAL GEOMETRY
IAEME Publication
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This ppt describes the ways of designing a fractal antenna , it's limitations and advantages over normal antennas and the applications associated with it.(brief view)...
A glimpse of fractal antenna design
A glimpse of fractal antenna design
Sreekar Rompicharla
Â
This paper on fractal techniques for designing microstrip antenna exhibits details of fractal geometries developed to get multiband behavior of patch resonator antenna. In this paper the review on various techniques of compactness by fractal geometry on microstrip patch antenna for X band used for satellite communication and radar application are presented.
REVIEW OF FRACTAL TECHNIQUES FOR DESIGNING MICROSTRIP PATCH ANTENNA FOR X BAND
REVIEW OF FRACTAL TECHNIQUES FOR DESIGNING MICROSTRIP PATCH ANTENNA FOR X BAND
IJEEE
Â
Abstract An innovative concept is utilized to develop the fractal antenna by coalesce the Koch prefractal and meander line. This fractal antenna is proposed for multistandard wireless applications. The shape and dimensions of the proposed antenna are chosen to obtain the multiband behaviour as well as miniaturized structure. Initially two different fractal concepts have been chosen through previous research and merged them to obtain more than two resonant frequencies. The proposed design characterizes four bands at resonant frequencies 2.5 GHz, 6.4 GHz, 7.2 GHz and 8.15 GHz with a return loss of -12.05 dB, -16.68 dB, -14.87 dB and -26.51 dB respectively. This design also represents VSWR between the required range of 1 to 2 for the presented resonant frequencies with an appropriate value of gain in dB. The antenna is analysed with Ansoft HFSS-13.0 electromagnetic field solver. Keywords: Microstrip antennas, fractal antennas, miniaturized, multistandard, wireless applications
Design and development of a novel fractal antenna for wireless applications
Design and development of a novel fractal antenna for wireless applications
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An Empirical Comparison of Fast and Efficient Tools for Mining Textual Data
An Empirical Comparison of Fast and Efficient Tools for Mining Textual Data
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Nguyen Minh Thu
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4. free space path loss model part 2
4. free space path loss model part 2
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JAIGANESH SEKAR
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It is a linear array composed of half wave dipoles spaced by one half wavelength.
Broadside Array
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Gec bharuch
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The slide to improved version of the data which is collected through polling point much fast.
An Efficient Cluster Tree Based Data Collection Scheme for Large Mobile With ...
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kavitha.s kavi
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In the current GCSE architecture in TR 23.768, it requires to routine all group-cast media transports to the GCSE server in EPC and registers all GCSE members to the GCSE server. Therefore, RP-140185[3] mentions that the required end-to-end delay for media transport may exceed the requirement of 150 ms, and the required time for joining an ongoing group communication may in worse case exceed the requirement of 300 ms. However, by using long-range cell, those issues can be mitigated by two reasons. 1) Comparing with the current GCSE architecture, long-range cell can shorten the required end-to-end delay by local routed the group-cast media transports to the UEs without go back to the GCSE server in order to meet the maximum latency requirement, 150ms. In TR 23703, it mentions that we have to handle out of network coverage scenarios for proximity direct communication in rural area. Therefore, long-range cell is proposed to reduce network converge holes, and thus the phenomenon can be significantly mitigated especially in the rural area. Although, for receivers located in the fringe areas outside the coverage contour can only receive outbound communication, those UEs can still obtain synchronization signal, system information block, and semi-persistent resource management information for establishing direct communication.
Discussion on Support Long Range Cell Operation for GCSE (S1-141011)
Discussion on Support Long Range Cell Operation for GCSE (S1-141011)
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Design,HFSS,slot antenna
Design step for making slot antenna in HFSS
Design step for making slot antenna in HFSS
Jay Patel
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SumonBepari
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This paper presents an original elliptical microstrip patch antenna is proposed for Ku/K band satellite applications. The proposed antenna has a simple structure, small size with dimensions of about 10Ă12Ă1.58 mmÂł. The antenna has been designed and simulated on an FR4 substrate with dielectric constant 4.4 and thickness of 1.58 mm. The design is simulated by two different electromagnetic solvers. The results from the measured data show that the antenna has two resonant frequencies that define 2 bandwidths, defined by a return loss of less than -10 dB, and are: (14.44 GHz, 829 MHz) and (21.05 GHz, 5126 MHz),with the gain 5.59 dB and 5.048 dB respectively. The proposed antenna can be used in many applications such as in satellite, and wireless communications.
A Compact Dual Band Elliptical Microstrip Antenna for Ku/K Band Satellite App...
A Compact Dual Band Elliptical Microstrip Antenna for Ku/K Band Satellite App...
IJECEIAES
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In the current GCSE architecture in TR 23.768, it requires to routine all group-cast media transports to the GCSE server in EPC and registers all GCSE members to the GCSE server. Therefore, RP-140185[3] mentions that the required end-to-end delay for media transport may exceed the requirement of 150 ms, and the required time for joining an ongoing group communication may in worse case exceed the requirement of 300 ms. However, by using long-range cell, those issues can be mitigated by two reasons. 1) Comparing with the current GCSE architecture, long-range cell can shorten the required end-to-end delay by local routed the group-cast media transports to the UEs without go back to the GCSE server in order to meet the maximum latency requirement, 150ms. In TR 23703, it mentions that we have to handle out of network coverage scenarios for proximity direct communication in rural area. Therefore, long-range cell is proposed to reduce network converge holes, and thus the phenomenon can be significantly mitigated especially in the rural area. Although, for receivers located in the fringe areas outside the coverage contour can only receive outbound communication, those UEs can still obtain synchronization signal, system information block, and semi-persistent resource management information for establishing direct communication.
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Ăhnlich wie 54099465 antenna
This paper presents an original elliptical microstrip patch antenna is proposed for Ku/K band satellite applications. The proposed antenna has a simple structure, small size with dimensions of about 10Ă12Ă1.58 mmÂł. The antenna has been designed and simulated on an FR4 substrate with dielectric constant 4.4 and thickness of 1.58 mm. The design is simulated by two different electromagnetic solvers. The results from the measured data show that the antenna has two resonant frequencies that define 2 bandwidths, defined by a return loss of less than -10 dB, and are: (14.44 GHz, 829 MHz) and (21.05 GHz, 5126 MHz),with the gain 5.59 dB and 5.048 dB respectively. The proposed antenna can be used in many applications such as in satellite, and wireless communications.
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This letter presents the design, simulation, and measurement of a novel multiband fractal circular antenna for wireless applications. In the antenna design, we used a circular antenna where we took a ring. Then, in the first iteration, we added a new ring divided into two of the same size. For the second iteration, we added a ring of the same size after dividing it into two halves. In the third iteration, we added the third ring of the same size after dividing it into four. Due to the resonator defection, we were able to reduce the size of the starting antenna from 60Ă70Ă2 mm3 to 50Ă50Ă1.6 mm3 , to get the frequency of 2.48 GHz, and we generated new bandwidths with a high gain that reaches 5.02 dB. The proposed antenna radiation characteristics, such as the impedance matching, the gain, the radiation pattern, and the surface current distribution are presented and discussed. We find that the simulated and measured results are in acceptable agreement and affirm the good performance of the proposed antenna. The results obtained affirm that the proposed fractal antenna is a better candidate for integration into wireless communication circuits.
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This paper proposes a method for designing a new ultra wide band (UWB) multiple-input multiple-output (MIMO) antenna with two and four elements. First we presented an ultra-wide band antenna we studied these performances. Then, we studied the application of metamaterials to the design of MIMO antennas for miniaturization and the performance of antennas, in order to guarantee the proper functioning of the MIMO system with a much reduced separation distance between the radiating elements (λ/12), where the coupling can be very weak. The application of these circular double ring SRRs materials on the front plan of the antenna has contributed to the increasing of the antenna performance is studied in terms of S-Parameters, efficiency, diversity gain (DG), radiation properties and envelop correlation coefficient (ECC). It offers advantages such as the reduction of weight and congestion that is beneficial for their integration into satellite communications systems.
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The hasty growth of wireless technologies has drawn new demands for integrated components including antennas and antenna on chip is a new mantra in the area of antenna research. Various techniques have been suggested by researchers for the miniaturization of microstrip patch antennas with multiband characteristics. Numerous antennas for multiband operation have been studied and designed for communication and radar systems. One of the solutions for the multiband characteristics is the fractal antenna. The Fractal antennas are based on the concept of fractal geometries. They can be designed in a variety of shapes in order to obtain enhanced gain and bandwidth, dual band and circular polarization to even ultra-wideband operation. In this paper, the fractal antenna has been designed using the Arlon substrate with relative permittivity of 1.3 and a substrate of Sierpinski gasket shaped placed on it. Feed used is the line feed. The designed antenna is a low profile, small size and multiband antenna since it can be operated at different frequencies within the frequency range of (1.75 â 2.65) and (5.7 â 7.65) GHz. It includes the frequencies used for wireless WLAN application and used to receive and transmit a high-frequency signal.
Modified Sierpinski Gasket for Wi-Fi and WLAN Applications
Modified Sierpinski Gasket for Wi-Fi and WLAN Applications
IJERA Editor
Â
The hasty growth of wireless technologies has drawn new demands for integrated components including antennas and antenna on chip is a new mantra in the area of antenna research. Various techniques have been suggested by researchers for the miniaturization of microstrip patch antennas with multiband characteristics. Numerous antennas for multiband operation have been studied and designed for communication and radar systems. One of the solutions for the multiband characteristics is the fractal antenna. The Fractal antennas are based on the concept of fractal geometries. They can be designed in a variety of shapes in order to obtain enhanced gain and bandwidth, dual band and circular polarization to even ultra-wideband operation. In this paper, the fractal antenna has been designed using the Arlon substrate with relative permittivity of 1.3 and a substrate of Sierpinski gasket shaped placed on it. Feed used is the line feed. The designed antenna is a low profile, small size and multiband antenna since it can be operated at different frequencies within the frequency range of (1.75 â 2.65) and (5.7 â 7.65) GHz. It includes the frequencies used for wireless WLAN application and used to receive and transmit a high-frequency signal.
Modified Sierpinski Gasket for Wi-Fi and WLAN Applications
Modified Sierpinski Gasket for Wi-Fi and WLAN Applications
IJERA Editor
Â
Different fractal structures have been widely used in many antennas designs for various applications. A fractal antenna is used for miniaturization and multiband operation. This paper presents a design of a dual-band fractal antenna fed by coplanar waveguide (CPW) transmission line. The proposed antenna is designed and fabricated on an FR4 substrate with a volume of 70x60x1.6mm3, resonates at 2.42-2.62GHz and 3.40-3.65GHz with a return loss less than -10dB. The design and simulation process is carried out by using CST-MW studio electromagnetic solver. Simulation results show that the resulting antenna exhibits an interesting dual frequency resonant behavior making it suitable for dual band communication systems including the ISM and WiMAX applications. Concerning the fabrication and measurement of the final prototype of this antenna, a good agreement is found between simulation and measurement results for both frequency bands.
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In this paper, a slotted is introduced at each of the radiating elements on the 1 st iteration log periodic fractal Koch antenna (LPFKA). The antenna is designed to testify the appropriate performance at UHF Digital television which operates from 4.0 GHz to 1.0 GHz. The dimension of the conventional 0 th iteration LPKFA is successfully reduced by 17% with the implementation of slotted. The results show a good agreement with a stable radiation pattern across the operating bandwidth, stable gain more than 5 dBi and reflection coefficient of below -10 dB over the desired frequency range.
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hello readers i give my PPT presentation for about antenna and ther properties and working explain in this ppt i hope you like it THANK YOU.......!!!!!!!
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Antenna presentation PPT
Sachin Kadam
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A Compact Dual Band Elliptical Microstrip Antenna for Ku/K Band Satellite App...
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Design and simulation of fractal tree antenna for wireless application
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Corporate and higher education. Two industries that, in the past, have had a clear divide with very little crossover. The difference in goals, learning styles and objectives paved the way for differing learning technologies platforms to evolve. Now, those stark lines are blurring as both sides are discovering they have content thatâs relevant to the other. Join Tammy Rutherford as she walks through the pros and cons of corporate and higher ed collaborating. And the challenges of these different technology platforms working together for a brighter future.
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Following the popularity of âCloud Revolution: Exploring the New Wave of Serverless Spatial Data,â weâre thrilled to announce this much-anticipated encore webinar. In this sequel, weâll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether youâre building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.
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When youâre building (micro)services, you have lots of framework options. Spring Boot is no doubt a popular choice. But thereâs more! Take Quarkus, a framework thatâs considered the rising star for Kubernetes-native Java. It always depends on what's best for your situation, but how to choose the best solution if you're comparing 2 frameworks? Both Spring Boot and Quarkus have their positives and negatives. Let us compare the two by live coding a couple of common use cases in Spring Boot and Quarkus. After this talk, youâll be ready to get started with Quarkus yourself, and know when to select Quarkus or Spring Boot.
Spring Boot vs Quarkus the ultimate battle - DevoxxUK
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Three things you will take away from the session: âą How to run an effective tenant-to-tenant migration âą Best practices for before, during, and after migration âą Tips for using migration as a springboard to prepare for Copilot in Microsoft 365 Main ideas: Migration Overview: The presentation covers the current reality of cross-tenant migrations, the triggers, phases, best practices, and benefits of a successful tenant migration Considerations: When considering a migration, it is important to consider the migration scope, performance, customization, flexibility, user-friendly interface, automation, monitoring, support, training, scalability, data integrity, data security, cost, and licensing structure Next Wave: The next wave of change includes the launch of Copilot, which requires businesses to be prepared for upcoming changes related to Copilot and the cloud, and to consolidate data and tighten governance ShareGate: ShareGate can help with pre-migration analysis, configurable migration tool, and automated, end-user driven collaborative governance
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Passkeys: Developing APIs to enable passwordless authentication Cody Salas, Sr Developer Advocate | Solutions Architect - Yubico Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/
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The CNIC Information System is a comprehensive database managed by the National Database and Registration Authority (NADRA) of Pakistan. It serves as the primary source of identification for Pakistani citizens and residents, containing vital information such as name, date of birth, address, and biometric data.
CNIC Information System with Pakdata Cf In Pakistan
CNIC Information System with Pakdata Cf In Pakistan
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Following the popularity of "Cloud Revolution: Exploring the New Wave of Serverless Spatial Data," we're thrilled to announce this much-anticipated encore webinar. In this sequel, we'll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether you're building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.
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Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Safe Software
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Terragrunt, Terraspace, Terramate, terra... whatever. What is wrong with Terraform so people keep on creating wrappers and solutions around it? How OpenTofu will affect this dynamic? In this presentation, we will look into the fundamental driving forces behind a zoo of wrappers. Moreover, we are going to put together a wrapper ourselves so you can make an educated decision if you need one.
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DEV meet-up UiPath Document Understanding May 7 2024 Amsterdam
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Apidays New York 2024 - The Good, the Bad and the Governed by David O'Neill, ...
Apidays New York 2024 - The Good, the Bad and the Governed by David O'Neill, ...
Â
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Manulife - Insurer Transformation Award 2024
Manulife - Insurer Transformation Award 2024
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Corporate and higher education May webinar.pptx
Corporate and higher education May webinar.pptx
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Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Â
Spring Boot vs Quarkus the ultimate battle - DevoxxUK
Spring Boot vs Quarkus the ultimate battle - DevoxxUK
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Artificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : Uncertainty
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2024: Domino Containers - The Next Step. News from the Domino Container commu...
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Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Â
MS Copilot expands with MS Graph connectors
MS Copilot expands with MS Graph connectors
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Apidays New York 2024 - Passkeys: Developing APIs to enable passwordless auth...
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CNIC Information System with Pakdata Cf In Pakistan
CNIC Information System with Pakdata Cf In Pakistan
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Strategies for Landing an Oracle DBA Job as a Fresher
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Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
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AWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of Terraform
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