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Mfc
- 1. COMPANY REPORT Satellite Filter Manufacturer, USA
ﺷﺮﻛﺔ Microwave Filter Company
ﻓﻼﺗﺮ ﻣﻴﻜﺮﻭﻳﻒ ﻋﺎﻟﻴﺔ ﺍﻟﺠﻮﺩﺓ
ﺻﻨﻊ ﻓﻰ ﺍﻟﻮﻻﻳﺎﺕ ﺍﻟﻤﺘﺤﺪﺓ ﺍﻷﻣﺮﻳﻜﻴﺔ
ﺇﻥ ﺃﻧﻈﻤﺔ ﺍﺳﺘﻘﺒﺎﻝ ﺍﻷﻗﻤﺎﺭ ﺍﻟﺼﻨﺎﻋﻴﺔ ﻻ ﺗﺴﺘﻘﺒﻞ ﻓﻘﻂ ﻗﻨﻮﺍﺕ ﺇﺷﺎﺭﺍﺕ ﺍﻹﺭﺳﺎﻝ
ﺍﻟﺘﻠﻴﻔﺰﻳﻮﻧﻲ ﻭ ﺍﻹﺫﺍﻋﻲ ﺍﻟﺘﻲ ﺗﺮﻳﺪﻫﺎ ﻭ ﻟﻜﻦ ﺗﻮﺟﺪ ﺇﺷﺎﺭﺍﺕ ﻻ ﻧﺮﻏﺐ ﻓﻴﻬﺎ ﻗﺪ ﺗﺤﺪﺙ
ﺗﺪﺍﺧﻞ ، ﻓﻤﺎﺫﺍ ﻧﻔﻌﻞ ﻟﻠﺘﺨﻠﺺ ﻣﻦ ﺗﺪﺍﺧﻞ ﻫﺬﻩ ﺍﻹﺷﺎﺭﺍﺕ ؟ ﺇﻥ ﺍﻟﺸﺮﻛﺔ ﻭ ﻳﺮﻣﺰ ﻟﻬﺎ ﺍﻟﺴﻴﺪ Carl Fahrenkrugﺭﺋﻴﺲ ﻭ ■
MFCﻫﻲ ﺷﺮﻛﺔ ﺭﺍﺋﺪﺓ ﻓﻰ ﻣﺠﺎﻝ ﺻﻨﺎﻋﺔ ﻓﻼﺗﺮ ) ﻣﺮﺷﺤﺎﺕ ( ﺍﺳﺘﻘﺒﺎﻝ ﺍﻷﻗﻤﺎﺭ ﺍﻟﻤﺪﻳﺮ ﺍﻟﻤﺴﺆﻭﻝ ﻟﺸﺮﻛﺔ Microwave
Filter Company
ﺍﻟﺼﻨﺎﻋﻴﺔ ﻭ ﻣﻘﺮﻫﺎ ﺍﻟﻮﻻﻳﺎﺕ ﺍﻟﻤﺘﺤﺪﺓ ﺍﻷﻣﺮﻳﻜﻴﺔ ، ﻭ ﻣﻨﺘﺠﺎﺕ ﺍﻟﺸﺮﻛﺔ ﻣﻦ ﺍﻟﻔﻼﺗﺮ
ﺍﻟﻤﺘﻨﻮﻋﺔ ﺍﻟﺘﻲ ﺗﻘﻮﻡ ﺑﺎﻟﺘﺨﻠﺺ ﻣﻦ ﻫﺬﻩ ﺍﻟﺘﺪﺍﺧﻼﺕ .
ﺩﺍﺋﻤﺎ ﻋﻠﻰ ﺍﻟﺘﻠﻴﻔﻮﻥ ﻣﻊ ﺍﻟﻌﻤﻼء : ﺍﻟﺴﻴﺪﺓ ■ Sandy ﺍﻟﺴﻴﺪ Scott Parsellﻣﺪﻳﺮ ﺍﻟﻤﺒﻴﻌﺎﺕ ، ﻳﺪﻳﺮ ﺷﺒﻜﺔ ﺍﻟﻤﺒﻴﻌﺎﺕ ﺍﻟﻤﺤﻠﻴﺔ ■
Nelepovitzﻗﺴﻢ ﺍﻟﺘﺴﻮﻳﻖ ﻭ ﺇﺩﺍﺭﺓ ﻓﺮﻳﻖ ﺍﻟﻤﺒﻴﻌﺎﺕ ﻭ ﺍﻟﻤﺒﻴﻌﺎﺕ ﺍﻟﺨﺎﺭﺟﻴﺔ ﻟﺸﺮﻛﺔ MFCﻭ ﺩﺍﺋﻤﺎ ﻳﺒﺤﺚ ﻋﻦ ﻓﺮﺹ ﻋﻤﻞ
ﻟﻠﺸﺮﻛﺔ
66 TELE-satellite & Broadband — 02-03/2009 — www.TELE-satellite.com
- 2. ﻋﻠﻰ ﺟﻤﻴﻊ ﺃﻃﺒﺎﻕ ﺍﺳﺘﻘﺒﺎﻝ C-bandﻓﻰ ﺍﻟﻮﻻﻳﺎﺕ ﻓﻰ ﺃﻃﺒﺎﻕ ﺍﺳﺘﻘﺒﺎﻝ ﺍﻝ C-bandﻓﻰ ﺟﻤﻴﻊ ﺃﻧﺤﺎء " ﻭ ﻟﻘﺪ ﺗﺄﺳﺴﺖ ﺍﻟﺸﺮﻛﺔ ﻓﻰ ﻋﺎﻡ 7691 ﻓﻰ ﻣﺪﻳﻨﺔ
ﺍﻟﻤﺘﺤﺪﺓ ﺍﻷﻣﺮﻳﻜﻴﺔ ﺑﺎﻹﺿﺎﻓﺔ ﺇﻟﻲ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺃﻃﺒﺎﻕ ﺍﻟﻌﺎﻟﻢ ﻭ ﻫﺬﻩ ﺍﻟﻔﻼﺗﺮ ﻳﺘﻢ ﺗﺮﻛﻴﺒﻬﺎ ﺑﻴﻦ ﻭﺣﺪﺓ ﺧﻔﺾ ﻧﻴﻮﻳﻮﺭﻙ " ﻫﺬﺍ ﻣﺎ ﺃﺧﺒﺮﻧﻨﺎ ﺑﻪ ﺍﻟﺴﻴﺪﺓ Sandy
ﺍﻻﺳﺘﻘﺒﺎﻝ ﻓﻰ ﺟﻤﻴﻊ ﺃﻧﺤﺎء ﺍﻟﻌﺎﻟﻢ ، ﻭ ﻫﺬﺍ ﻣﺎ ﺟﻌﻞ ﺍﻟﺸﻮﺷﺮﺓ ﻭ ﺑﻮﻕ ﺍﻟﺘﻐﺬﻳﺔ ﺑﺤﻴﺚ ﺗﻘﻮﻡ ﺑﺎﻟﺘﺨﻠﺺ ﻣﻦ Nelepovitzﻛﺒﻴﺮﺓ ﺍﻟﻤﺴﻮﻗﻴﻦ ﻟﻠﺸﺮﻛﺔ ﻭ ﺃﻳﻀﺎ
ﺍﻟ ﺮﺍﺩﺍﺭ ﺭﻗﻢ 1 ﻓﻰ ﺃﺣﺪﺍﺙ ﺇﺷﺎ ﺭﺍﺕ ﺍﻟﺘﺪﺍﺧﻞ ﻟﻤﺸﻐﻠﻲ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟﻐﻴﺮ ﻣﺮﻏﻮﺏ ﺑﻬﺎ ﻣﻦ ﺃﻋﻠﻰ ﺃﻭ ﺍﺳﻔﻞ ﺗﻌﺘﺒﺮ ﺍﻟﻘﻠﺐ ﻭ ﺍﻟﺮﻭﺡ ﻟﻠﺸﺮﻛﺔ ، ﻭ ﺍﻟﺘﻲ ﺗﻌﻞ ﺑﺎﻟﺸﺮﻛﺔ
. " C-band ﺍﻟﺤﺰﻣﺔ " ﻭ ﻋﻠﻰ ﺍﻟﺮﻏﻢ ﻣﻦ ﺃﻥ ﻫﺬﻩ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟﻐﻴﺮ ﻣﻨﺬ 03 ﺳﻨﺔ ﻭ ﻗﺪ ﺃﺧﺒﺮﺗﻨﺎ ﺑﺒﻌﺾ ﻣﻦ ﺗﺎﺭﻳﺦ ﺍﻟﺸﺮﻛﺔ
ﻣﺮﻏﻮﺏ ﺑﻬﺎ ﺗﻜﻮﻥ ﺧﺎﺭﺝ ﻧﻄﺎﻕ ﺍﻟﺤﺰﻣﺔ ﺇﻻ ﺃﻥ ﻣﺴﺘﻮﻯ " ﺇﻥ ﺍﻟﺴﻴﺪ Glyn Bostickﻫﻮ ﻣﺆﺳﺲ ﺷﺮﻛﺔ
" ﻭ ﺣﺪﻳﺜﺎ " ﺃﺿﺎﻑ ﺍﻟﺴﻴﺪ ، Scottﻫﻨﺎﻙ ﺇﺷﺎ ﺭﺍﺗﻬﺎ ﻗﻮﻳﺔ ﻣﻤﺎ ﺗﺤﺪﺙ ﺗﺪﺍﺧﻼﺕ ﻓﻰ ﻭﺣﺪﺓ ﺧﻔﺾ MFCﻭ ﺍﻟﺬﻱ ﺑﺪﺃ ﺍﻟﻌﻤﻞ ﻓﻰ ﺟ ﺮﺍﺝ ﻭ ﻛﺎﻧﺖ ﺗﻨﺘﺞ
ﻣﺼﺪﺭ ﺟﺪﻳﺪ ﻟﺘﺪﺍﺧﻼﺕ ﺍﻝ – C-bandﻭﻫﻮ ﺍﻟﺸﻮﺷﺮﺓ ﺑﻄﺮﻳﻘﺔ ﻣﺴﺘﻤﺮﺓ ﺧﻼﻝ ﺣﻴﺰ ﺍﻝ C-band ﺍﻟﻔﻼﺗﺮ ﻭ ﺃﺟﻬﺰﺓ ﺍﻟ ﺮﺍﺩﻳﻮ ﻟﻠﻬﻮﺍﺓ . ﻭ ﻓﻰ ﻋﺎﻡ 3791
" Wimaxﻓﻰ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺃﻧﺤﺎء ﺍﻟﻌﺎﻟﻢ ﺣﻴﺚ ﻳﻌﻤﻞ ، ﻭ ﻫﻨﺎﻙ ﻓﻼﺗﺮ ﻣﺮﺣﻠﺔ ﺃﻭﻟﻰ ﻭ ﻣﺮﺣﻠﺔ ﺛﺎﻧﻴﺔ ﺗﺴﺘﺨﺪﻡ ﺍﻧﺘﻘﻠﻨﺎ ﺇﻟﻰ ﻣﻘﺮ ﺍﻟﺸﺮﻛﺔ ﺍﻟﺤﺎﻟﻲ ﻭ ﻛﻨﺎ ﻓﻰ ﺫﻟﻚ ﺍﻟﻮﻗﺖ
Wimaxﻓﻰ ﻣﺪﻯ ﺗﺮﺩﺩﺍﺕ ﺑﻴﻦ ) 8.3-3.3 ( ﻓﻘﻂ ﻟﻠﺘﺨﻠﺺ ﻣﻦ ﻫﺬﻩ ﺍﻹﺷﺎ ﺭﺍﺕ ﻗﺒﻞ ﺗﺤﻮﻳﻠﻬﺎ . ﻧﺆﺟﺮ ﺟﺰء ﻣﻦ ﺍﻟﻤﺼﻨﻊ ﺑﻴﻨﻤﺎ ﻧﺘﺸﺎﺭﻙ ﻣﻊ ﺷﺮﻛﺎﺕ
TELE-satellite World .../www.TELE-satellite.com
:Download this report in other languages from the Internet
Arabic ﺍﻟﻌﺮﺑﻴﺔ www.TELE-satellite.com/TELE-satellite-0903/ara/mfc.pdf
Indonesian Indonesia www.TELE-satellite.com/TELE-satellite-0903/bid/mfc.pdf
Bulgarian Български www.TELE-satellite.com/TELE-satellite-0903/bul/mfc.pdf
Czech Česky www.TELE-satellite.com/TELE-satellite-0903/ces/mfc.pdf
German Deutsch www.TELE-satellite.com/TELE-satellite-0903/deu/mfc.pdf
English English www.TELE-satellite.com/TELE-satellite-0903/eng/mfc.pdf
Spanish Español www.TELE-satellite.com/TELE-satellite-0903/esp/mfc.pdf
Farsi ﻓﺎﺭﺳﻲ www.TELE-satellite.com/TELE-satellite-0903/far/mfc.pdf
French Français www.TELE-satellite.com/TELE-satellite-0903/fra/mfc.pdf
Greek Ελληνικά www.TELE-satellite.com/TELE-satellite-0903/hel/mfc.pdf
Croatian Hrvatski www.TELE-satellite.com/TELE-satellite-0903/hrv/mfc.pdf
Italian Italiano www.TELE-satellite.com/TELE-satellite-0903/ita/mfc.pdf
Hungarian Magyar www.TELE-satellite.com/TELE-satellite-0903/mag/mfc.pdf
Mandarin 中文 www.TELE-satellite.com/TELE-satellite-0903/man/mfc.pdf
Dutch Nederlands www.TELE-satellite.com/TELE-satellite-0903/ned/mfc.pdf
Polish Polski www.TELE-satellite.com/TELE-satellite-0903/pol/mfc.pdf
Portuguese Português www.TELE-satellite.com/TELE-satellite-0903/por/mfc.pdf
Russian Русский www.TELE-satellite.com/TELE-satellite-0903/rus/mfc.pdf
Swedish Svenska www.TELE-satellite.com/TELE-satellite-0903/sve/mfc.pdf
Turkish Türkçe www.TELE-satellite.com/TELE-satellite-0903/tur/mfc.pdf
9002 Available online starting from 30 January
■ ﻛﻞ ﺷﺊ ﺗﺤﺖ ﺳﻄﺢ ﻭﺍﺣﺪ : ﺍﻹﻧﺘﺎﺝ ﻳﻤﻜﻨﻚ ﺃﻥ ﺗﺠﺪﻩ ﻋﻠﻰ ﺍﻟﺠﺎﻧﺐ ﺍﻷﻳﺴﺮ ﻣﻦ ﺍﻟﻤﺒﻨﻰ ، ﻭ
ﺍﻟﻘﺴﻢ ﺍﻹﺩﺍﺭﻱ ﻋﻠﻰ ﺍﻟﻴﻤﻴﻦ ، ﻣﻘﺮ ﺷﺮﻛﺔ MFCﻓﻰ Syracuseﺑﻨﻴﻮﻳﻮﺭﻙ
ﺛﻢ ﺃﺿﺎﻑ ﺍﻟﺴﻴﺪ " Scottﻧﺤﻦ ﻧﻮﻓﺮ ﺣﺰﻣﺔ ﺃﺧﺮﻯ ، ﻭ ﻓﻰ ﻋﺎﻡ 3891 ﺍﺳﺘﻤﺮ ﺍﻟﻌﻤﻞ ﻓﻰ ﺍﻟﺘﻮﺳﻊ
ﻗﻴﺎﺳﻴﺔ ) 005 ﻣﻴﺠﺎﻫﻴﺮﺗﺰ ( ، ﺣﺰﻣﺔ ﻣﻤﺘﺪﺓ ) ﻭ ﺍﺳﺘﻄﻌﻨﺎ ﺷ ﺮﺍء ﻛﺎﻣﻞ ﻣﺮﺑﻊ ﺍﻟﻤﺼﻨﻊ ﺍﻟﺬﻱ ﻳﺒﻠﻎ
006 ﻣﻴﺠﺎﻫﻴﺮﺗﺰ ( ﻭ ﺣﺰﻣﺔ ﻣﻤﺘﺪﺓ ﻋﻈﻤﻰ ) 008 ﻣﺴﺎﺣﺘﻪ 0073 ﻣﺘﺮ ﻣﺮﺑﻊ " .
ﻣﻴﺠﺎﻫﻴﺮﺗﺰ ( ﻣﻦ ﺍﻟﻔﻼﺗﺮ ، ﻭ ﻧﻘﻮﻡ ﺃﻳﻀﺎ ﺑﺘﻮﻓﻴﺮ ﻓﻼﺗﺮ
ﻃﺒﻘﺎ ﻟﻤﺘﻄﻠﺒﺎﺕ ﺍﻟﻌﻤﻼء ﻟﻼﺳﺘﺨﺪﺍﻡ ﻓﻰ ﺍﻟﺘﻄﺒﻴﻘﺎﺕ ﻭ ﻗﺪ ﺃﺿﺎﻑ ﺍﻟﺴﻴﺪ Scott Parsellﻣﺪﻳﺮ
ﺍﻟﺨﺎﺻﺔ ، ﻭ ﻟﻬﺬﺍ ﻳﻤﻜﻨﻨﺎ ﺗﻮﻓﻴﺮ ﺍﻟﻔﻠﺘﺮ ﺍﻟﻤﻨﺎﺳﺐ ﻟﻞ ﺍﻟﻤﺒﻴﻌﺎﺕ ﺍﻟﺬﻱ ﻋﻤﻞ ﻓﻰ ﺷﺮﻛﺔ MFCﺣﻮﺍﻟﻲ 03
C-bandﻓﻰ ﺃﻱ ﻣﻜﺎﻥ ﻓﻰ ﺍﻟﻌﺎﻟﻢ " . ﻋﺎﻡ " ﺑﺎﻟﺮﻏﻢ ﻣﻦ ﺍﻻﻧﺨﻔﺎﺽ ﺍﻻﻗﺘﺼﺎﺩﻱ ﻭ ﺍﻟﺘﺤﻮﻝ
ﺍﻟﺬﻱ ﺗﻢ ﻓﻰ ﻣﺠﺎﻝ ﺻﻨﺎﻋﺔ ﺍﻻﺗﺼﺎﻻﺕ ﻋﺒﺮ ﺍﻟﺴﻨﻮﺍﺕ
ﻣﺘﻰ ﺗﺤﺘﺎﺟﻮﻥ ﺇﻟﻰ ﻓﻼﺗﺮ ﻣﻦ ﻫﺬﺍ ﺍﻟﻨﻮﻉ ؟ ﺷﺮﺡ ﻓﻘﺪ ﻇﻞ ﺍﻟﻨﺸﺎﻁ ﻗﻮﻳﺎ ﻭ ﻣﺘﻤﺎﺳﻜﺎ ، ﻭ ﻫﺬﺍ ﻧﺘﻴﺠﺔ ﺃﻧﻨﺎ
ﻟﻨﺎ ﺍﻟﺴﻴﺪ Scottﻭ ﺃﻋﻄﻰ ﻟﻨﺎ ﻣﺜﺎﻝ " ﺇﻥ ﺇﺷﺎ ﺭﺍﺕ ﻧﻘﺪﻡ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺃﻧﻮﺍﻉ ﺍﻟﻔﻼﺗﺮ ﻭ ﺍﻟﺘﻲ ﺗﺨﺪﻡ ﻛﺎﻓﺔ
ﻣﻘﻴﺎﺱ ﺍﻻﺭﺗﻔﺎﻉ ﺗﻘﻔﺰ ﺑﻴﻦ ﺍﻟﻄﺎﺋ ﺮﺍﺕ ﺍﻟﺘﺠﺎﺭﻳﺔ ﻭ ﻗﻄﺎﻋﺎﺕ ﺍﻻﺗﺼﺎﻻﺕ ) ﺍﻻﺗﺼﺎﻻﺕ ﻋﺒﺮ ﺍﻷﻗﻤﺎﺭ
ﺍﻟﻤﻄﺎ ﺭﺍﺕ ﻭ ﻫﺬﺍ ﻳﺤﺪﺙ ﺗﺪﺍﺧﻞ ﻓﻰ ﻣﻮﺟﺎﺕ C-band ﺍﻟﺼﻨﺎﻋﻴﺔ ، ﺗﻠﻴﻔﺰﻳﻮﻥ ﺍﻟﻜﺎﺑﻞ ، ﺍﻟﺒﺚ ﺍﻟﺘﻠﻴﻔﺰﻳﻮﻧﻲ
ﻟﺪﻯ ﺍﻟﻤﺸﻐﻠﻴﻦ ، ﻭ ﻋﻤﻮﻣﺎ ﻫﺬﻩ ﺍﻟﻤﺸﻜﻠﺔ ﻣﺤﺪﻭﺩﺓ ﻓﻘﻂ ، ﺍﻟﻼﺳﻠﻜﻲ ، ﺍﻟﺦ ( ﻭ ﻫﺬﺍ ﻳﻌﻨﻰ ﺃﻥ ﻧﺸﺎﻁ ﺍﻟﺸﺮﻛﺔ
ﻋﻨﺪ ﺍﺳﺘﺨﺪﺍﻡ ﺃﻃﺒﺎﻕ C-bandﺗﻜﻮﻥ ﻗﺮﻳﺒﺔ ﻣﻦ ﻻ ﻳﻌﺘﻤﺪ ﻋﻠﻰ ﺳﻮﻕ ﻭﺍﺣﺪ ﻣﺤﺪﺩ ، ﻣﻤﺎ ﺟﻌﻞ ﺷﺮﻛﺔ
ﺍﻟﻤﻄﺎ ﺭﺍﺕ ، ﻭ ﺃﻳﻀﺎ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟ ﺮﺍﺩﺍﺭﻳﺔ ﺍﻟﻘﻮﻳﺔ ﻭ MFCﺍﻛﺜﺮ ﺗﻨﺎﻓﺴﻴﺔ .
ﺍﻟﺘﻲ ﺗﺴﺘﺨﺪﻡ ﻓﻰ ﺍﻟﻤ ﺮﺍﻗﺒﺔ ﺍﻟﺠﻮﻳﺔ ) ﻛﻤﺜﺎﻝ ﻃﺎﺋ ﺮﺍﺕ
ﺍﻟﺴﻴﺪ Eric Loganﻭﺍﺣﺪ ﻣﻦ ﺍﻟﻤﻬﻨﺪﺳﻴﻦ ﻳﻤﻜﻨﻪ ﺿﺒﻂ ﺍﻟﻔﻠﺘﺮ ﻃﺒﻘﺎ ■ ﻣﺎﺫﺍ ﺗﻨﺘﺞ ﺷﺮﻛﺔ MFCﺑﺎﻟﻀﺒﻂ ؟ ﻭ ﻗﺪ ﺃﺷﺎﺭ ﺍﻻﻭﺍﻛﺲ ( ﻭ ﺍﻟﺘﻲ ﺗﺤﺪﺙ ﻣﺸﺎﻛﻞ ﻓﻰ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺃﻃﺒﺎﻕ
ﻻﺣﺘﻴﺎﺟﺎﺕ ﺍﻟﻌﻤﻼء ﻣﺒﺎﺷﺮﺓ ﻣﻦ ﺧﻼﻝ ﺟﻬﺎﺯ ﺍﻟﻜﻤﺒﻴﻮﺗﺮ ، ﻭ ﺗﻮﻓﺮ ﺷﺮﻛﺔ ﺍﻟﺴﻴﺪ Scottﻷﻛﺜﺮ ﻣﻨﺘﺠﺎﺕ ﺷﺮﻛﺔ MFCﺷﻌﺒﻴﺔ " ﺍﺳﺘﻘﺒﺎﻝ ، C-bandﻭ ﻗﺪ ﺯﺍﺩﺕ ﻋﻤﻠﻴﺎﺕ ﺍﻟﻤ ﺮﺍﻗﺒﺔ
MFCﺃﻳﻀﺎ ﺍﻟﻔﻼﺗﺮ ﻟﻼﺳﺘﺨﺪﺍﻣﺎﺕ ﺍﻟﺤﺮﺑﻴﺔ ) ﻣﺜﻞ ( X-band
ﻫﻨﺎﻙ ﺳﻠﺴﻠﺔ ﻣﻦ ﻓﻼﺗﺮ C-bandﻭ ﺍﻟﺘﻲ ﺗﺴﺘﺨﺪﻡ ﺍﻟﺠﻮﻳﺔ ﻛﺜﻴ ﺮﺍ ﺑﻌﺪ ﺃﺣﺪﺍﺙ 11/9 ﻣﻤﺎ ﻳﺒﺪﻭﺍ ﺍﻧﻪ ﻗﺪ ﺍﺛﺮ
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- 3. ﺟﻴﺠﺎﻫﻴﺮﺗﺰ ﻭ ﻫﺬﻩ ﺍﻹﺷﺎ ﺭﺍﺕ ﻣﻦ ﺗﺘﺪﺍﺧﻞ ﻣﻊ ﺇﺷﺎ ﺭﺍﺕ
C-bandﺍﻟﻤﻤﺘﺪﺓ ﺍﻟﻌﻈﻤﻰ )4.3-2.4 ( GHzﻭ
ﻫﺬﺍ ﻧﺘﻴﺠﺔ ﺗﻘﺎﺳﻢ ﺍﻟﻤﻮﺟﺔ ﻭ ﻧﺘﻴﺠﺔ ﻟﺬﻟﻚ ﻳﺠﺐ ﺃﻥ ﻳﻘﻮﻡ
ﻣﺸﻐﻞ C-bandﺑﺘﺮﻛﻴﺐ ﻓﻠﺘﺮ ﻟﻠﺘﺨﻠﺺ ﻣﻦ ﺇﺷﺎ ﺭﺍﺕ
Wimaxﻭ ﻳﻨﺘﺞ ﻋﻦ ﻫﺬﺍ ﺃﻧﻪ ﻳﺘﻢ ﺍﻟﺘﻀﺤﻴﺔ ﺑﺠﺰء
ﻣﻦ ﺇﺷﺎ ﺭﺍﺕ ﺍﻟﺤﺰﻣﺔ ﺍﻟﻤﻨﺨﻔﻀﺔ ﻟﻞ . " C-bandﻭ
ﻋﻠﻰ ﺍﻟﺮﻏﻢ ﻣﻦ ﺃﻥ ﻣﺸﻐﻠﻲ ﻳﻀﺤﻮﻥ ﺑﺠﺰء ﻣﻦ ﻣﻮﺟﺔ
C-bandﺇﻻ ﺃﻥ ﺍﻟﻨﺘﻴﺠﺔ ﺗﻜﻮﻥ ﺟﻴﺪﺓ ﻭ ﻳﻜﻮﻥ ﻫﻨﺎﻙ
ﺍﺳﺘﻘﺒﺎﻝ C-bandﻧﻈﻴﻒ ﻟﻠﺠﺰء ﺍﻟﺒﺎﻗﻲ ﻣﻦ ﺍﻟﻤﻮﺟﺔ
، ﺇﻥ ﻣﻮﺟﺎﺕ Wimaxﺟﺪﻳﺪﺓ ﻭ ﻳﺮﻯ ﺍﻟﺴﻴﺪ Scott
ﺃﻥ ﻫﺬﻩ ﺍﻟﻤﻮﺟﺎﺕ ﺳﻮﻑ ﻳﺰﺩﺍﺩ ﺍﺳﺘﺨﺪﺍﻣﻬﺎ ﻭ ﻳﺼﺒﺢ
ﻫﻨﺎﻙ ﺣﺎﺟﺔ ﻛﺒﻴﺮﺓ ﻟﻔﻼﺗﺮ C-bandﻟﺤﻞ ﻣﺸﺎﻛﻞ
ﺍﻟﻤﺸﻐﻠﻴﻦ ﻓﻰ ﺟﻤﻴﻊ ﺃﻧﺤﺎء ﺍﻟﻌﺎﻟﻢ .
ﺇﺫﺍ ﺍﺻﺒﺢ ﺍﻷﻣﺮ ﻣﻌﻘﺪﺍ ﻓﺎﻥ ﻓﺮﻳﻖ ﺍﻟﻤﻬﻨﺪﺳﻴﻦ ﻳﺠﺘﻤﻌﻮﻥ■ ﻭ ﺑﻤﻘﺎﺭﻧﺔ ﻣﺸﻐﻠﻲ C-bandﻭ ﻣﺸﻐﻠﻲ -Ku
ﻹﻳﺠﺎﺩ ﺣﻞ ، ﺍﻟﺴﻴﺪ ) Paul Mearsﻋﻠﻰ ﺍﻟﻴﺴﺎﺭ ( ﻟﺘﻄﺒﻴﻘﺎﺕ ﺍﻹﺭﺳﺎﻝ ﻭ ﺍﻻﺳﺘﻘﺒﺎﻝ ﻟﻞ Ku-band bandﻓﺎﻥ ﻣﺸﻐﻠﻲ Ku-bandﻳﻮﺍﺟﻬﻮﻥ ﺗﺪﺍﺧﻼﺕ
ﻫﻮ ﻧﺎﺋﺐ ﺭﺋﻴﺲ ﺍﻟﻤﻬﻨﺪﺳﻴﻦ ﻭ ﺍﻟﺴﻴﺪ ) Bob Paulﻓﻰ ﺣﻴﺚ ﺃﻥ ﺍﻹﺭﺳﺎﻝ ﻭ ﺍﻻﺳﺘﻘﺒﺎﻝ ﻳﺘﻢ ﻣﻦ ﺧﻼﻝ ﺍﻗﻞ ﻣﻦ ﺍﻟﻤﺼﺪﺭ ﺣﻴﺚ ﺃﻧﻬﺎ ﺗﻌﻤﻞ ﻋﻠﻰ ﺗﺮﺩﺩﺍﺕ
ﺍﻟﻤﻨﺘﺼﻒ ( ﻛﺒﻴﺮ ﺍﻟﻤﻬﻨﺪﺳﻴﻦ ﻭ ﺍﻟﺴﻴﺪ ) Mike Wise
ﻋﻠﻰ ﺍﻟﻴﻤﻴﻦ ( ﺍﻟﻤﻬﻨﺪﺱ ﺃﻟﻔﻨﻲ . ﻧﻔﺲ ﺍﻟﻄﺒﻖ ، ﻭ ﻳﺘﻢ ﺗﺮﻛﻴﺐ ﻓﻼﺗﺮ TRFﻓﻰ ﻣﺮﺗﻔﻌﺔ ﻭ ﻏﻴﺮ ﻣﺰﺩﺣﻤﺔ ﻣﺜﻞ ﺍﻝ ، C-band
ﺟﺎﻧﺐ ﺍﻻﺳﺘﻘﺒﺎﻝ )57.21-7.01 ( GHzﻟﺒﻮﻕ ﻭ ﻣﻊ ﺫﻟﻚ ﻓﻬﻨﺎﻙ ﺣﺎﺟﺔ ﻻﺳﺘﺨﺪﺍﻡ ﻓﻼﺗﺮ TRF
ﺍﻟﺘﻐﺬﻳﺔ ﻟﻠﺘﺨﻠﺺ ﻣﻦ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟﻘﻮﻳﺔ ) -57.31
5.41 . ( GHzﺑﻴﻨﻤﺎ ﺗﻨﺘﺞ ﺷﺮﻛﺔ MFCﻓﻼﺗﺮ
ﺃﻳﻀﺎ ﻟﻞ ، Ka-bandﺇﻻ ﺃﻥ ﺍﻟﻄﻠﺐ ﻋﻠﻰ ﻓﻼﺗﺮ
Ka-bandﻣﺎﺯﺍﻝ ﻣﻨﺨﻔﻀﺎ ﺣﻴﺚ ﺃﻥ ﺍﺳﺘﺨﺪﺍﻡ ﻫﺬﻩ
ﺍﻟﻤﻮﺟﺎﺕ ﻣﺎﺯﺍﻝ ﻣﺤﺪﻭﺩﺍ .
ﻭ ﺃﺿﺎﻓﺖ ﺍﻟﺴﻴﺪﺓ Sandy Nelepovitzﺑﻌﺾ
ﺍﻟﻤﻌﻠﻮﻣﺎﺕ ، " ﺇﻥ ﻣﻌﻈﻢ ﻋﻤﻼﺋﻨﺎ ﻣﺤﻠﻴﻦ – ﺣﻴﺚ ﺃﻥ
ﺷﺮﻛﺔ MFCﻣﺴﺘﻤﺮﺓ ﻓﻰ ﺃﻥ ﺗﺼﺒﺢ ﺍﻟﺸﺮﻛﺔ ﺍﻟ ﺮﺍﺋﺪﺓ
ﻟﺘﻮﻓﻴﺮ ﻓﻼﺗﺮ CATVﻟﻤﺸﻐﻠﻲ ﺧﺪﻣﺔ ﺗﻠﻴﻔﺰﻳﻮﻥ
ﺍﻟﻜﺎﺑﻞ ﻓﻰ ﺍﻟﻮﻻﻳﺎﺕ ﺍﻟﻤﺘﺤﺪﺓ ﺍﻷﻣﺮﻳﻜﻴﺔ " . ﻭ ﺃﺿﺎﻓﺖ
" Sandyﺃﻥ ﻣﻌﺪﻝ ﺍﻟﻤﺒﻴﻌﺎﺕ ﺍﻟﺨﺎﺭﺟﻴﺔ ﻣﻨﺬ ﻋﺎﻡ
2991 ﻣﺎ ﺑﻴﻦ %5 ﻭ %7 / ﻭ ﻧﺘﻮﻗﻊ ﺃﻥ ﺗﺰﺩﺍﺩ
ﻣﺒﻴﻌﺎﺗﻨﺎ ﺍﻟﺨﺎﺭﺟﻴﺔ ﻣﻊ ﺯﻳﺎﺩﺓ ﺍﻟﻄﻠﺐ ﻋﻠﻰ ﺍﻟﻔﻼﺗﺮ
ﺧﺎﺭﺝ ﺍﻟﻮﻻﻳﺎﺕ ﺍﻟﻤﺘﺤﺪﺓ ﺍﻷﻣﺮﻳﻜﻴﺔ ، ﻭ ﻳﻤﻜﻦ ﻟﻠﺠﻤﻴﻊ
ﻃﻠﺐ ﺃﻱ ﻛﻤﻴﺔ ﻛﺒﻴﺮﺓ ﺃﻭ ﻗﻄﻌﺔ ﻭﺍﺣﺪﺓ ﻣﻦ ﺍﻟﻔﻼﺗﺮ ﻣﻦ
ﺷﺮﻛﺔ ، MFCﻭ ﺗﻌﻄﻰ ﺍﻟﺸﺮﻛﺔ 03 ﻳﻮﻡ ﻹﻋﺎﺩﺓ
ﺍﻟﻤﺎﻝ ﺇﻟﻲ ﺍﻟﻌﻤﻴﻞ ﻟﻠﻔﻼﺗﺮ ﺍﻟﻘﻴﺎﺳﻴﺔ ﻭ ﻋﻠﻰ ﺍﻟﻌﻤﻴﻞ ﺃﻥ
ﻳﻘﻮﻡ ﺑﺪﻓﻊ ﻣﺼﺎﺭﻳﻒ ﺍﻟﺸﺤﻦ ، " ﻭ ﺣﻴﺚ ﺃﻥ ﺍﻟﻌﻤﻴﻞ
■ ﺍﻟﺴﻴﺪﺓ Ruth Araceﻣﺪﻳﺮ ﺗﻨﻤﻴﺔ ﺍﻟﻤﻮﺍﺭﺩ ﺍﻟﺒﺸﺮﻳﺔ ﻭ ﺗﻌﺘﻨﻲ ﺑﻤﻮﻇﻔﻲ ﺷﺮﻛﺔ ": MFC
ﻳﻌﺮﻑ ﻧﻮﻉ ﺍﻟﻔﺎﺗﺮ ﺍﻟﺬﻱ ﻳﺮﻳﺪﻩ ﻣﺴﺒﻘﺎ ﻓﻼ ﻳﺤﺘﺎﺝ ﻟﺪﻳﻨﺎ 6 ﻣﻬﻨﺪﺳﻴﻦ ﻭ 63 ﻋﺎﻣﻞ ﺇﻧﺘﺎﺝ ﻭ 11 ﺇﺩﺍﺭﻱ ".
ﺍﻟﻌﻤﻴﻞ ﺇﻟﻲ ﺿﻤﺎﻥ ﺍﺳﺘﺮﺩﺍﺩ ﺍﻟﻘﻴﻤﺔ ﻓﻬﺬﺍ ﻳﺤﺪﺙ ﻓﻘﻂ
ﻋﻨﺪﻣﺎ ﻳﻜﻮﻥ ﺍﻟﻌﻤﻴﻞ ﻻ ﻳﻌﻠﻢ ﻧﻮﻉ ﺍﻟﻔﺎﺗﺮ ، ﻭ ﺃﺿﺎﻓﺖ
Sandyﺃﻥ ﻃﺎﻗﻢ ﺍﻟﺪﻋﻢ ﺍﻟﻔﻨﻲ ﺑﺎﻟﺸﺮﻛﺔ ﻳﻌﺮﻓﻮﻥ
ﻣﻌﻈﻢ ﺍﻟﻤﺸﺎﻛﻞ ﺍﻟﺘﻲ ﻗﺪ ﺗﻮﺍﺟﻪ ﺍﻟﻌﻤﻼء ﻭ ﻣﻦ ﺧﻼﻝ
ﺍﻟﺘﻄﺒﻴﻘﺎﺕ ﻳﺴﺎﻋﺪﻭﻥ ﻋﻤﻼء ﺍﻟﺸﺮﻛﺔ ﻻﺧﺘﻴﺎﺭ ﻧﻮﻉ
ﺍﻟﻔﻠﺘﺮ ﺍﻟﻤﻨﺎﺳﺐ ﻟﻠﺘﻄﺒﻴﻖ ، ﻭ ﻟﻜﻦ ﺑﺎﻟﻨﺴﺒﺔ ﻟﻠﻌﻤﻼء
ﺍﻟﺬﻳﻦ ﻣﺎﺯﺍﻟﻮﺍ ﻟﻴﺲ ﻣﺘﺄﻛﺪﻳﻦ ﻣﻦ ﻧﻮﻉ ﺍﻟﻔﻠﺘﺮ ﺍﻟﻤﻨﺎﺳﺐ
ﻳﻤﻜﻨﻬﻢ ﻃﻠﺐ ﻓﻼﺗﺮ ﻗﻴﺎﺳﻴﺔ ، ﻭ ﻫﺬﺍ ﻳﻮﻓﺮ ﻟﻬﻢ ﺍﻟﺘﻜﻠﻔﺔ
ﺍﻟﻌﺎﻟﻴﺔ ﻻﺳﺘﺌﺠﺎﺭ ﺧﺒﻴﺮ ﺍﺳﺘﺸﺎﺭﻱ ﻣﻦ ﺍﻟﺸﺮﻛﺔ ﻟﺤﻞ
ﻣﺸﺎﻛﻠﻬﻢ .
ﻋﺒﺮ ﻛﻞ ﻫﺬﻩ ﺍﻟﺴﻨﻮﺍﺕ MFCﻗﺎﻣﺖ ﺷﺮﻛﺔ ﺑﺒﻨﺎء
ﻧﻔﺴﻬﺎ ﻓﻰ ﻫﺬﺍ ﺍﻟﺴﻮﻕ ﺍﻟﻬﺎﻡ ﻭ ﺍﻟﻤﻌﻘﺪ ﻓﻰ ﻋﺎﻟﻢ
ﺍﺳﺘﻘﺒﺎﻝ ﺍﻷﻗﻤﺎﺭ ﺍﻟﺼﻨﺎﻋﻴﺔ ، ﻭ ﻣﻊ ﺍﻟﺠﻤﻊ ﺑﻴﻦ ﺍﻟﻌﻠﻢ
ﻭ ﺍﻻﻟﺘ ﺰﺍﻡ ﺑﺎﻟﺠﻮﺩﺓ ، ﻓﺎﻥ ﺷﺮﻛﺔ MFCﻳﻤﻜﻨﻬﺎ ﺍﻟﺘﺄﻗﻠﻢ
ﻣﻊ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺍﻟﻤﺘﻄﻠﺒﺎﺕ ﺍﻟﺨﺎﺻﺔ ﻣﻦ ﻋﻤﻼﺋﻬﺎ ،
ﻓﺈﺫﺍ ﻛﻨﺖ ﺗﺮﻳﺪ ﻃﺮﻳﻘﺔ ﻟﻠﺘﺨﻠﺺ ﻣﻦ ﺗﺪﺍﺧﻞ ﺍﻹﺷﺎ ﺭﺍﺕ
ﻓﺎﻧﻚ ﺳﻮﻑ ﺗﺠﺪ ﺍﻟﺤﻞ ﺍﻟﻤﻨﺎﺳﺐ ﻣﻦ ﺧﻼﻝ ﻓﻼﺗﺮ
. MFC
■ ﻣﺎﻛﻴﻨﺔ ﺍﻟﺪﺭﻓﻠﺔ ﻣﻊ ﺍﻟﺴﻴﺪ ) Bruce Sentoffﻋﻠﻰ ﺍﻟﻴﺴﺎﺭ ( ﻭ ﺍﻟﺴﻴﺪ ) Dale Newtonﻋﻠﻰ ﺍﻟﻴﻤﻴﻦ ( ﻳﺘﻢ ﺇﻧﺘﺎﺝ ﺟﺴﻢ
ﺍﻟﻔﻼﺗﺮ ﻫﻨﺎ " ﻳﺘﻢ ﺑﺮﻣﺠﺔ ﺍﻟﻤﺎﻛﻴﻨﺔ ﻟﻠﻌﻤﻞ ﻃﻮﺍﻝ ﺍﻟﻠﻴﻞ " ﻫﺬﺍ ﻣﺎ ﺷﺮﺣﻪ ﻟﻨﺎ ﺍﻟﺴﻴﺪ . Bruce Sentoff
68 TELE-satellite & Broadband — 02-03/2009 — www.TELE-satellite.com
- 4. ﺍﻟﺴﻴﺪ Dale Newtonﻳﺮﻳﻨﺎ ﺗﺘﺎﺑﻊ ﺍﻹﻧﺘﺎﺝ : ﺟﺴﻢ ■ ﺍﺧﺘﺒﺎﺭ ﺍﺳﺘﻘﺒﺎﻝ ﺍﻟﻔﻠﺘﺮ ﺑﻮﺍﺳﻄﺔ ﺍﻟﺴﻴﺪﺓ ■ Vertell ﻫﻞ ﺗﻢ ﻋﻤﻞ ﻛﻞ ﺷﺊ ﺑﻄﺮﻳﻘﺔ ﺻﺤﻴﺤﺔ ﺃﺛﻨﺎء ﺍﻹﻧﺘﺎﺝ ؟ ■
ﺍﻟﻔﻠﺘﺮ ﻣﻦ ﺍﻷﻟﻮﻣﻨﻴﻮﻡ ) ﻋﻠﻰ ﺍﻟﻴﺴﺎﺭ ( ﻭ ﻋﻠﻰ ﺍﻟﻴﻤﻴﻦ ، Brantleyﻳﺤﺘﺎﺝ ﺍﻟﻼﺻﻖ ﺇﻟﻰ ﺛﻼﺛﺔ ﺳﺎﻋﺎﺕ ﻓﻰ ﻫﻨﺎ ﺗﻘﻮﻡ Thuy Naylorﺑﻌﻤﻞ ﺍﻻﺧﺘﺒﺎﺭ ﺍﻟﻨﻬﺎﺋﻲ
ﺍﻟﻔﻠﺘﺮ ﻛﺎﻣﻞ ﻣﻊ ﻓﺘﺤﺎﺕ ﻟﻠﻤﻮﺻﻼﺕ ﻭ ﺍﻟﺼﻮﺍﻣﻴﻞ ﻏﺮﻓﺔ ﻣﺤﻤﻴﺔ ﻣﻦ ﻋﻮﺍﻣﻞ ﺍﻟﻬﻮﺍء ، ﻭ ﺑﻌﺪ ﺫﻟﻚ ﻳﺘﻢ ﻭﺿﻊ ﻟﻠﺘﺄﻛﺪ ﻣﻦ ﻋﻤﻞ ﺍﻟﻔﻠﺘﺮ ﻣﻦ ﺧﻼﻝ ﺗﻮﺻﻴﻠﻪ ﺑﺸﺒﻜﺔ ﻣﻦ
ﻋﺎﺯﻝ ﻟﻠﻔﻠﺘﺮ ﻣﻦ ﻋﻮﺍﻣﻞ ﺍﻟﻄﻘﺲ . ﺃﺟﻬﺰﺓ ﺍﻟﺘﺤﻠﻴﻞ .
ﻫﻨﺎ ﻳﺘﻢ ﺗﺠﻤﻴﻊ ﺍﻟﻔﻠﺘﺮ ﻣﻴﻜﺎﻧﻴﻜﻴﺎ ﻭ ﻫﻨﺎ ﺗﻘﻮﻡ ■ Melissa ﺍﻟﺴﻴﺪ Bill Adamoﺭﺋﻴﺲ ﻣﺠﻤﻮﻋﺔ ﺍﻟﺘﺤﻜﻢ ﻓﻰ■ ﺗﻘﻮﻡ ﺷﺮﻛﺔ MFCﺑﻌﻤﻞ ﻛﻞ ﺷﺊ ﺑﻨﻔﺴﻬﺎ : ﻳﺘﻢ ﻃﻼء ■
Benchﺑﺘﺠﻬﻴﺰ ﺍﻟﻔﺎﺗﺮ ﻟﻔﺮﻥ ﺍﻟﻠﺤﺎﻡ ﺍﻟﺠﻮﺩﺓ ﻳﺮﻳﻨﺎ ﻛﻴﻒ ﻳﺘﻢ ﺍﺧﺘﺒﺎﺭ ﻋﺎﺯﻝ ﺍﻟﻄﻘﺲ ﻟﻠﻔﻠﺘﺮ " ﺍﻟﻔﻼﺗﺮ ﺑﻄﺒﻘﺔ ﻣﻦ ﺍﻟﻄﻼء ﻟﻠﺤﻤﺎﻳﺔ
ﻳﺘﻢ ﻟﺼﻖ ﺍﻟﻔﻠﺘﺮ ﻓﻰ ﻣﻘﺪﺍﺭ ﺿﻐﻂ ﻫﻮﺍء 5 " PSIﻭ
ﺑﻬﺬﻩ ﺍﻟﻄﺮﻳﻘﺔ ﻳﻤﻜﻨﻪ ﻓﺤﺺ ﺍﻟﻤﻮﺻﻼﺕ ﺍﻟﺪﺍﺧﻠﻴﺔ " ﺇﻥ
ﺃﻱ ﺗﺴﺮﺏ ﺑﺴﻴﻂ ﻗﺪ ﻳﺴﻤﺢ ﻟﻠﺮﻃﻮﺑﺔ ﻣﻊ ﻣﺮﻭﺭ ﺍﻟﻮﻗﺖ
ﺗﺆﺛﺮ ﻋﻠﻰ ﻣﻜﻮﻧﺎﺕ ﺍﻟﻔﻠﺘﺮ " ﻧﻘﻮﻡ ﺑﺎﺧﺘﺒﺎﺭ ﺍﻟﻔﻼﺗﺮ
%001 " ﻟﻠﺘﺄﻛﺪ ﺃﻥ ﻓﻼﺗﺮ MFCﻣﺘﻮﺍﻓﻘﺔ ﻣﻊ ﻣﻌﺎﻳﻴﺮ
ﺍﻟﺠﻮﺩﺓ .
... ﻋﻤﻠﻴﺔ ﺍﻟﻠﺤﺎﻡ ﺍﻟﺤﻘﻴﻘﻴﺔ ﺗﺘﻢ ﻓﻰ ﻫﺬﺍ ﺍﻟﻔﺮﻥ ■ ﻓﻰ ﻃﺮﻳﻘﻬﺎ ﺇﻟﻰ ﺍﻟﻌﻤﻼء : ﻳﺘﻢ ﺷﺤﻦ ﺍﻟﻔﻼﺗﺮ ﺍﻟﺘﻲ ﺗﻢ ﺍﺧﺘﺒﺎﺭﻫﺎ ﺇﻟﻰ ﺍﻟﻌﻤﻼء ﻓﻰ ■
ﺟﻤﻴﻊ ﺃﻧﺤﺎء ﺍﻟﻌﺎﻟﻢ
70 TELE-satellite & Broadband — 02-03/2009 — www.TELE-satellite.com