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Infosat

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Infosat

  1. 1. ‫‪TEST REPORT‬‬ ‫‪Satellite Mesh Dish‬‬ ‫550‪INFOSAT V‬‬ ‫‪Primary Focus Dish‬‬ ‫1-01‬‫8002/1‬ ‫‪INFOSAT V055 PRIMARY FOCUS DISH‬‬ ‫‪Lightweight dish for C-band, easy to‬‬ ‫‪assembly and elegant looking‬‬ ‫ﺍﺯﺭﻉ ﺍﻟﺪﺍﻋﻤﺔ ﻟﺒﻮﻕ ﻭﺣﺪﺓ ﺧﻔﺾ‬ ‫ﺍﻟﺸﻮﺷﺮﺓ ﻭ ﻟﻢ ﻳﺤﺪﺙ ﺃﻱ ﻣﺸﻜﻠﺔ ﻓﻰ‬ ‫ﺫﻟﻚ ، ﻭ ﻛﺎﻥ ﺍﻟﻄﺒﻖ ﺟﺎﻫ ﺰﺍ ﻟﻼﺧﺘﺒﺎﺭ ،‬ ‫ﺍﻟﺘﺜﺒﻴﺖ ﻭ ﺍﻷﺫﺭﻉ ﺍﻟﺤﺎﻣﻠﺔ ﻟﻮﺣﺪﺓ‬ ‫ﺧﻔﺾ ﺍﻟﺸﻮﺷﺮﺓ ﻭ ﺍﻟﻌﺒﻮﺓ ﺍﻟﺜﺎﻟﺜﺔ ﺑﻬﺎ‬ ‫ﺍﻟﺼﻮﺍﻣﻴﻞ ﻭ ﺍﻟﺒ ﺮﺍﻏﻰ ﻭ ﺑﻘﻴﺔ ﺃﻏ ﺮﺍﺽ‬ ‫ﺃﺧﻒ ﻣﻦ ﺍﻟﺮﻳﺸﺔ‬ ‫ﻭ ﻛﻨﺎ ﺷﻐﻮﻓﻴﻦ ﻟﻤﻌﺮﻓﺔ ﻣﺎﺫﺍ ﻳﻤﻜﻦ ﺍﻥ‬ ‫ﺍﻟﺘﺜﺒﻴﺖ ، ﺇﻥ ﻭﺯﻥ ﺍﻟﻌﺎﻛﺲ 8.3‬ ‫ﻳﻌﻄﻴﻪ ﻫﺬﺍ ﺍﻟﻄﺒﻖ ﺍﻟﺨﻔﻴﻒ ﺍﻟﻮﺯﻥ .‬ ‫ﻛﻴﻠﻮﺟ ﺮﺍﻡ ﻭ ﻫﺬﺍ ﻳﻌﻨﻰ ﺃﻥ ﻛﻞ ﺟﺰء ﻣﻦ‬ ‫ﺃﺟ ﺰﺍء ﺍﻟﻌﺎﻛﺲ ﺍﻗﻞ ﻣﻦ ﻛﻴﻠﻮﺟ ﺮﺍﻡ .‬ ‫ﺍﺳﺘﻘﺒﺎﻝ ‪C-Band‬؟‬ ‫ﺑﻘﻄﺒﻴﺔ ﺧﻄﻴﺔ‬ ‫ﺑﻌﺪ ﺗﻔﺮﻳﻎ ﺟﻤﻴﻊ ﺍﻟﻤﺤﺘﻮﻳﺎﺕ ،‬ ‫ﻻ ﻳﻮﺟﺪ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺍﻷﻗﻤﺎﺭ‬ ‫ﻧﻈﺮﻧﺎ ﺇﻟﻰ ﻛﺘﻴﺐ ﺍﻟﺘﺮﻛﻴﺐ ، ﻭ ﻟﻜﻦ‬ ‫ﺍﻟﺘﻲ ﺗﺒﺚ ‪ C-Band‬ﻓﻰ ﺃﻭﺭﻭﺑﺎ‬ ‫ﺍﻟﺸﺮﻛﺔ ﺍﻟﻤﻨﺘﺠﺔ ﻟﻢ ﺗﻀﻊ ﻛﺘﻴﺐ‬ ‫ﺗﺴﺘﺨﺪﻡ ﻗﻄﺒﻴﺔ ﺧﻄﻴﺔ ، ﻭ ﻧﺸﻜﺮ‬ ‫ﺗﺮﻛﻴﺐ ، ﻭ ﻟﻘﺪ ﻗﻤﻨﺎ ﺑﻌﺪ ﻛﻞ ﺻﺎﻣﻮﻟﺔ ﻭ‬ ‫ﺍﺳﺘﺨﺪﺍﻡ ﺑﺮﻧﺎﻣﺞ ‪Dish Pointer‬‬ ‫ﺑﺮﻏﻰ ﻭ ﻗﻤﻨﺎ ﺑﺘﺼﻨﻴﻔﻬﻤﺎ ﻃﺒﻘﺎ ﻟﺤﺠﻢ‬ ‫‪ ( ( www.dishpointer.com‬ﻭ‬ ‫ﻛﻞ ﻣﻨﻬﻤﺎ ، ﻭ ﻗﻤﻨﺎ ﺑﻤﻘﺎﺭﻧﺔ ﺍﻟﺒ ﺮﺍﻏﻰ‬ ‫ﺃﻳﻀﺎ ﺟﺪﺍﻭﻝ .‪SatcoDX (www‬‬ ‫ﺑﻘﻄﺮ ﺍﻟﻔﺘﺤﺎﺕ ، ﻭ ﻟﻢ ﻧﺴﺘﻐﺮﻕ ﻭﻗﺘﺎ‬ ‫‪ ( satcodx.com‬ﻭ ﻗﺪ ﻗﻤﻨﺎ‬ ‫ﻛﺒﻴ ﺮﺍ ﻟﻤﻌﺮﻓﺔ ﺃﻱ ﺍﻟﺒ ﺮﺍﻏﻰ ﺍﻟﺘﻲ ﻳﺠﺐ‬ ‫ﺑﺎﺧﺘﻴﺎﺭ ﻋﺪﺩ ﺃﺭﺑﻌﺔ ﺃﻗﻤﺎﺭ ﻭﺍﺣﺪ ﻣﻨﻬﺎ‬ ‫ﺍﺳﺘﻌﻤﺎﻟﻬﺎ ﻭ ﺃﻳﻦ ، ﻋﻤﻮﻣﺎ ﺇﺫﺍ ﺃﺭﺍﺩﺕ‬ ‫ﺍﻟﻘﻤﺮ ‪ BADR-C‬ﺑ ﺰﺍﻭﻳﺔ ﻋﺎﻟﻴﺔ : 03‬ ‫ﺷﺮﻛﺔ ‪ INFOSAT‬ﺃﻥ ﺗﺒﻴﻊ ﻫﺬﺍ‬ ‫ﺩﺭﺟﺔ ﻭ ﺑﺎﻗﻲ ﺍﻷﻗﻤﺎﺭ ﺍﻟﺜﻼﺛﺔ -‪ABS‬‬ ‫ﺍﻟﻤﻨﺘﺞ ﺇﻟﻰ ﺍﻟﻤﺴﺘﺨﺪﻡ ﺍﻟﻨﻬﺎﺋﻲ ﻣﺒﺎﺷﺮﺓ‬ ‫1 ﻭ ‪ TELSTAR‬ﻭ 01-‪NSS‬‬ ‫ﻳﺠﺐ ﺃﻥ ﺗﻮﻓﺮ ﻛﺘﻴﺐ ﺗﺮﻛﻴﺐ ﻣﺰﻭﺩ‬ ‫ﺑ ﺰﺍﻭﻳﺔ ﺣﻮﺍﻟﻲ 01 ﺩﺭﺟﺔ ، ﻭ ﻟﻘﺪ ﺗﺤﻘﻖ‬ ‫ﺑﺎﻟﺘﻔﺎﺻﻴﻞ .‬ ‫ﺧﻮﻓﻨﺎ ﻓﻘﻂ ﺍﺳﺘﻄﻌﻨﺎ ﺍﺳﺘﻘﺒﺎﻝ ﺍﻟﺸﻌﺎﻉ‬ ‫ﺍﻷﻭﺭﺑﻲ ﻓﻘﻂ ﻟﻠﻘﻤﺮ ‪ ، BADR-C‬ﻭ‬ ‫ﺇﻥ ﺗﺮﻛﻴﺐ ﺍﻷﺭﺑﻌﺔ ﺃﺟ ﺰﺍء ﺍﻟﻤﻜﻮﻧﺔ‬ ‫ﺑﻘﻴﺔ ﺍﻷﻗﻤﺎﺭ ﺍﻷﺧﺮﻯ ﺍﻟﺜﻼﺛﺔ ﻟﻢ ﺗﺤﺪﺙ‬ ‫ﻟﻠﻌﺎﻛﺲ ﺗﻤﺖ ﺑﺴﻬﻮﻟﺔ ـ ﻭ ﻗﻤﻨﺎ ﺑﻌﻤﻞ‬ ‫ﺃﻱ ﻣﺆﺷﺮ ﻓﻰ ﺟﻬﺎﺯ ﺗﺤﻠﻴﻞ ﻃﻴﻒ‬ ‫ﺫﻟﻚ ﺑﺴﺮﻋﺔ ﻭ ﻗﻤﻨﺎ ﺑﺎﻟﺘﻨﻘﻞ ﺇﻟﻰ ﻗﺎﻋﺪﺓ‬ ‫ﺍﻹﺷﺎ ﺭﺍﺕ ﺣﻴﺚ ﺃﻥ ﺍﻷﺷﺠﺎﺭ ﺑﺠﻮﺍﺭﻧﺎ‬ ‫ﺍﻟﺘﺜﺒﻴﺖ ، ﻭ ﻟﺤﺴﻦ ﺍﻟﺤﻆ ﻭﺟﺪﻧﺎ ﻓﻰ‬ ‫ﺗﻤﻨﻊ ﺍﺳﺘﻘﺒﺎﻝ ﻫﺬﻩ ﺍﻷﻗﻤﺎﺭ ﻭ ﻟﻘﺪ‬ ‫ﺍﻟﺠ ﺮﺍﺝ ﻗﻄﻌﺔ ﻣﻦ ﺍﻟﺨﺸﺐ ﺍﺳﺘﺨﺪﻣﻨﺎﻫﺎ‬ ‫ﺃﺳﻔﻨﺎ ﺃﻥ ﻣﺮﻛﺰ ﺍﻻﺧﺘﺒﺎﺭ ﻟﻤﺠﻠﺔ ﺗﻴﻠﻰ‬ ‫ﻛﻘﺎﻋﺪﺓ ﻟﺘﺜﺒﻴﺖ ﺍﻟﺼﺎﺭﻱ ﻭ ﺍﻟﺪﻋﺎﻣﺎﺕ‬ ‫ﺳﺘﻼﻳﺖ ﻟﻢ ﻳﻘﻊ ﻋﻠﻰ ﺳﻄﺢ ﻧﺎﻃﺤﺔ‬ ‫ﺍﻟﺨﺎﺻﺔ ﺑﻪ ، ﻭ ﺑﻌﺪ ﺗﺜﺒﻴﺖ ﺍﻷﺭﺟﻞ‬ ‫ﺳﺤﺎﺏ .‬ ‫ﺍﻟﺪﺍﻋﻤﺔ ﺍﺳﺘﻄﻌﻨﺎ ﺍﺳﺘﺨﺪﺍﻡ ﺍﻟﻘﺎﻋﺪﺓ‬ ‫ﺍﻟﺨﺸﺒﻴﺔ ﺑﻄﺮﻳﻘﺔ ﺃﻓﻘﻴﺔ ، ﺇﻥ ﺗﺜﺒﻴﺖ‬ ‫ﺇﻥ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟﻤﺴﺘﻘﺒﻠﺔ ﻣﻦ ﺍﻟﻘﻤﺮ‬ ‫ﺍﻟﻌﺎﻛﺲ ﻋﻠﻰ ﺍﻟﻘﺎﻋﺪﺓ ﻛﺎﻥ ﺳﻬﻼ ﻓﻘﻂ‬ ‫‪ BADR-C‬ﻋﻨﺪ 62 ﺩﺭﺟﺔ ﺷﺮﻕ‬ ‫ﻗﻢ ﺑﻮﺿﻊ ﺍﻟﻌﺎﻛﺲ ﻋﻠﻰ ﺍﻟﺼﺎﺭﻱ .‬ ‫ﻛﺎﻧﺖ ﻗﻮﻳﺔ ﺟﺪﺍ ﺟﺪﺍ ، ﻭ ﻟﻘﺪ ﺍﺳﺘﻘﺒﻠﻨﺎ‬ ‫ﺍﻟﺘﺮﺩﺩ 4/3 ,00572 ( ‪3880H‬‬ ‫ﻭ ﺑﻌﺪ ﺗﺜﺒﻴﺖ ﺍﻟﻌﺎﻛﺲ ﻋﻠﻰ ﺍﻟﻘﺎﻋﺪﺓ‬ ‫ﻓﺎﻥ ﺁﺧﺮ ﺧﻄﻮﺓ ﻫﻲ ﺗﺮﻛﻴﺐ ﺍﻷﺭﺑﻌﺔ‬ ‫ﺍﻟﻄﺒﻖ ﻣﻮﺩﻳﻞ 550‪ V‬ﺑﻘﻄﺮ 56.1 ﻣﺘﺮ ﻳﺘﻢ ﺗﺴﻠﻴﻤﻪ ﻓﻰ ﺛﻼﺛﺔ ﻋﺒﻮﺍﺕ‬ ‫( ﺑﻤﻘﺪﺍﺭ ﻗﻮﺓ 84 ‪ dBμV‬ﻭ ﺑﻤﻌﺪﻝ‬ ‫ﺇﺫﺍ ﻛﻨﺖ ﻣﻦ ﻫﻮﺍﺓ ﺍﺳﺘﻘﺒﺎﻝ ﺍﻷﻗﻤﺎﺭ ﺍﻟﺼﻨﺎﻋﻴﺔ ﻭ ﺗﻌﻴﺶ ﻓﻰ ﺃﻭﺭﻭﺑﺎ ، ﻓﺎﻥ‬ ‫.../‪TELE-satelliteother languageswww.TELE-satellite.com‬‬ ‫‪Download this report in‬‬ ‫:‪World from the Internet‬‬ ‫ﺍﻷﻗﻤﺎﺭ ﺍﻟﺼﻨﺎﻋﻴﺔ ﺍﻟﺘﻲ ﺗﻌﻤﻞ ﻋﻠﻰ ‪ Ku-Band‬ﺗﻜﻮﻥ ﺷﺎﺋﻌﺔ ﺍﻻﺳﺘﺨﺪﺍﻡ ﻟﻚ ،‬ ‫‪Arabic‬‬ ‫ﺍﻟﻌﺮﺑﻴﺔ‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/ara/infosat.pdf‬‬ ‫‪Indonesian‬‬ ‫‪Indonesia‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/bid/infosat.pdf‬‬ ‫ﻭ ﻟﻜﻦ ﻫﻞ ﻓﻜﺮﺕ ﻣﺮﺓ ﺗﻮﺳﻴﻊ ﻣﻌﺮﻓﺘﻚ ﺑﻌﺎﻟﻢ ‪ C-Band‬؟ ﻭﻫﻞ ﺗﻌﺘﻘﺪ ﺃﻥ ﺃﻃﺒﺎﻕ‬ ‫‪Bulgarian‬‬ ‫‪Български‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/bul/infosat.pdf‬‬ ‫‪Czech‬‬ ‫‪Česky‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/ces/infosat.pdf‬‬ ‫‪ C-Band‬ﻳﺠﺐ ﺃﻥ ﺗﻜﻮﻥ ﻛﺒﻴﺮﺓ ﻭ ﺛﻘﻴﻠﺔ ﻭ ﺑﺸﻌﺔ ؟ ﺣﺴﻨﺎ ، ﻟﻴﺲ ﺗﻤﺎﻣﺎ ، ﺇﻥ ﻃﻮﻝ‬ ‫‪German‬‬ ‫‪Deutsch‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/deu/infosat.pdf‬‬ ‫‪English‬‬ ‫‪English‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/eng/infosat.pdf‬‬ ‫ﻣﻮﺟﺎﺕ ‪ C-Band‬ﺃﻃﻮﻝ ﺑﺜﻼﺙ ﻣ ﺮﺍﺕ ﻣﻦ ‪ ، Ku-Band‬ﻭ ﻟﻬﺬﺍ ﻟﻜﻲ ﺗﺤﺼﻞ‬ ‫‪Spanish‬‬ ‫‪Español‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/esp/infosat.pdf‬‬ ‫‪Farsi‬‬ ‫ﻓﺎﺭﺳﻲ‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/far/infosat.pdf‬‬ ‫ﻋﻠﻰ ﻧﻔﺴﻲ ﻣﻘﺪﺍﺭ ﺍﻟﻜﺴﺐ ﻳﺠﺐ ﺃﻥ ﻳﻜﻮﻥ ﻗﻄﺮ ﺍﻟﻄﺒﻖ ﺍﻛﺒﺮ ﺑﺜﻼﺛﺔ ﻣ ﺮﺍﺕ ﻟﻜﻦ‬ ‫‪French‬‬ ‫‪Français‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/fra/infosat.pdf‬‬ ‫‪Greek‬‬ ‫‪Ελληνικά‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/hel/infosat.pdf‬‬ ‫ﻻ ﻳﺠﺐ ﺃﻥ ﺗﺴﺘﺨﺪﻡ ﻃﺒﻖ ﺻﻠﺐ ، ﻓﻴﻤﻜﻨﻚ ﺍﺳﺘﺨﺪﺍﻡ ﻃﺒﻖ ﺷﺒﻜﻲ ﻣﺼﻨﻮﻉ ﻣﻦ‬ ‫‪Croatian‬‬ ‫‪Hrvatski‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/hrv/infosat.pdf‬‬ ‫‪Italian‬‬ ‫‪Italiano‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/ita/infosat.pdf‬‬ ‫ﺍﻷﻟﻮﻣﻨﻴﻮﻡ ﻭ ﺑﻬﺬﻩ ﺍﻟﻄﺮﻳﻖ ﺗﺤﺼﻞ ﻋﻠﻰ ﻃﺒﻖ ﺧﻔﻴﻒ ﺍﻟﻮﺯﻥ ﺣﺴﻦ ﺍﻟﺸﻜﻞ ﺍﻛﺜﺮ‬ ‫‪Hungarian‬‬ ‫‪Magyar‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/mag/infosat.pdf‬‬ ‫‪Mandarin‬‬ ‫‪中文‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/man/infosat.pdf‬‬ ‫ﻣﻦ ﺍﻷﻃﺒﺎﻕ ﺍﻟﺼﻠﺒﺔ .‬ ‫‪Dutch‬‬ ‫‪Nederlands‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/ned/infosat.pdf‬‬ ‫‪Polish‬‬ ‫‪Polski‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/pol/infosat.pdf‬‬ ‫‪Portuguese‬‬ ‫‪Romanian‬‬ ‫‪Português‬‬ ‫‪Românesc‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/por/infosat.pdf‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/rom/infosat.pdf‬‬ ‫ﻃﺒﻖ ﺷﺒﻜﻲ ﻣﺼﻨﻮﻉ ﻣﻦ ﺍﻷﻟﻮﻣﻨﻴﻮﻡ‬ ‫ﻋﻤﻠﻴﺔ ﺍﻟﺘﺮﻛﻴﺐ‬ ‫‪Russian‬‬ ‫‪Русский‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/rus/infosat.pdf‬‬ ‫ﻭ ﻳﺄﺗﻲ ﻓﻰ ﺛﻼﺛﺔ ﻋﺒﻮﺍﺕ ﻋﺒﺎﺭﺓ ﻋﻦ‬ ‫‪Swedish‬‬ ‫‪Svenska‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/sve/infosat.pdf‬‬ ‫ﺇﻥ ﺍﻟﻄﺒﻖ ﻣﻮﺩﻳﻞ 550‪ V‬ﻣﻦ ﺷﺮﻛﺔ‬ ‫‪Turkish‬‬ ‫‪Türkçe‬‬ ‫‪www.TELE-satellite.com/TELE-satellite-0811/tur/infosat.pdf‬‬ ‫ﻋﺎﻛﺲ ﺭﺋﻴﺴﻲ ﻣﻘﺴﻢ ﺇﻟﻰ ﺃﺭﺑﻌﺔ ﺃﺟ ﺰﺍء‬ ‫8002 ‪Available online starting from 26 September‬‬ ‫، ﻭ ﺍﻟﻌﺒﻮﺓ ﺍﻟﺜﺎﻧﻴﺔ ﻋﺒﺎﺭﺓ ﻋﻦ ﻗﺎﻋﺪﺓ‬ ‫‪ INFOSAT‬ﺑﻘﻄﺮ 56.1 ﻣﺘﺮ ﻭ ﻫﻮ‬ ‫1-01 — ‪34 TELE-satellite & Broadband‬‬ ‫‪1/2008 — www.TELE-satellite.com‬‬
  2. 2. www.TELE-satellite.com — 10-1 1/2008 — TELE-satellite & Broadband 35
  3. 3. ‫ﺃﺟﺰﺍء ﺍﻟﻌﺎﻛﺲ ﺍﻟﺸﺒﻜﻲ ﺍﻷﺭﺑﻌﺔ ﻣﺤﻤﻴﺔ ﺑﻜﺮﺗﻮﻥ ﻣﻘﻮﻯ‬ ‫ﻫﻞ ﺗﻢ ﺗﺜﺒﻴﺖ ﺟﻤﻴﻊ ﺍﻟﺼﻮﺍﻣﻴﻞ ؟‬ ‫ﺃﺟﺰﺍء ﺍﻟﻌﺎﻛﺲ ﺑﻌﺪ ﻓﻜﻬﺎ‬ ‫ﺗﻢ ﺿﺒﻂ ﺍﻟﺰﺍﻭﻳﺔ ﺑﻤﺴﺎﻋﺪﺓ ﻣﺴﻤﺎﺭ ﻃﻮﻳﻞ‬ ‫ﺍﻟﻘﺎﻋﺪﺓ ﺍﻟﺨﺸﺒﻴﺔ ﻣﺜﺒﺖ‬ ‫ﻋﻠﻴﻬﺎ ﺍﻟﺼﺎﺭﻱ ﺑﻤﺴﺎﻋﺪﺓ‬ ‫ﺃﺭﺟﻞ ﺍﻟﺘﺜﺒﻴﺖ‬ ‫ﺑﻘﻴﺔ ﺍﻷﺟﺰﺍء‬ ‫ﺗﺠﻤﻴﻊ ﺍﻟﻌﺎﻛﺲ ﺑﺴﻬﻮﻟﺔ ﻧﺘﻴﺠﺔ ﻟﺨﻔﺔ ﺍﻟﻮﺯﻥ‬ ‫ﺗﻢ ﺍﻟﺘﺮﻛﻴﺐ ﺍﻟﻨﻬﺎﺋﻲ ﺑﻨﺠﺎﺡ‬ ‫1-01 — ‪36 TELE-satellite & Broadband‬‬ ‫‪1/2008 — www.TELE-satellite.com‬‬
  4. 4. ‫ﺩﻳﺴﻴﺒﻞ ﻣﻘﺎﺑﻞ 5.21 ﺩﻳﺴﻴﺒﻞ ( ﻭ ﻛﻨﺎ‬ ‫‪ C/N‬ﺑﻤﻘﺪﺍﺭ 21 ﺩﻳﺴﻴﺒﻞ ، ﻭ ﻛﺎﻥ‬ ‫ﻧﺄﻣﻞ ﺍﻟﺤﺼﻮﻝ ﻋﻠﻰ ﻗﺪﺭﺓ ﺗﺴﺎﻭﻯ ﻃﺒﻖ‬ ‫ﻫﺎﻣﺶ ﺍﻟﻀﻮﺿﺎء ﺍﻛﺜﺮ ﻣﻦ 6 ﺩﻳﺴﻴﺒﻞ‬ ‫ﺑﻘﻄﺮ 021ﺳﻢ ﻭ ﻟﻜﻦ ﺗﺬﻛﺮ ﺃﻥ ﺍﻷﻃﺒﺎﻕ‬ ‫، ﻭ ﻛﺎﻥ ﻫﻨﺎﻙ ﺗﺮﺩﺩ ﺭﻗﻤﻲ ﺁﺧﺮ ﻫﻮ :‬ ‫ﺍﻟﺸﺒﻜﻴﺔ ﻟﻴﺴﺖ ﻻﺳﺘﻘﺒﺎﻝ ‪Ku-Band‬‬ ‫4/3 ,00572( ‪ ( 4040H‬ﻭ ﻟﻢ ﻳﻜﻦ‬ ‫، ﺣﻴﺚ ﺃﻥ ﺑﻌﺾ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟﻤﺘﺪﺍﺧﻠﺔ ﻗﺪ‬ ‫ﺃﺳﻮء ، ﻗﻮﺓ ﺍﻹﺷﺎﺭﺓ 1.48 ‪، dBμV‬‬ ‫ﺗﺼﻞ ﺇﻟﻰ ﺍﻟﻤﺤﻮﻝ .‬ ‫ﻭ ﻣﻌﺪﻝ ‪ C/N‬ﺑﻤﻘﺪﺍﺭ 6.21 ﺩﻳﺴﻴﺒﻞ‬ ‫ﻭ ﻫﺎﻣﺶ ﺍﻟﻀﻮﺿﺎء 3.6 ﺩﻳﺴﻴﺒﻞ ،‬ ‫ﻭ ﺣﻴﺚ ﺃﻥ ﻫﺬﺍ ﺍﻟﻤﻮﺿﻮﻉ ﻫﺎﻡ ﻟﻠﻘ ﺮﺍء ،‬ ‫ﺟﻴﺪ ﺟﺪﺍ !‬ ‫ﻗﻤﻨﺎ ﺃﻳﻀﺎ ﺑﺘﺠﺮﺑﺔ ﻭﺣﺪﺓ ﺧﻔﺾ ﺷﻮﺷﺮﺓ‬ ‫‪ Ku-Band‬ﻭ ﺍﻟﺘﻲ ﺗﺴﺘﺨﺪﻡ ﻋﻠﻰ‬ ‫ﻭ ﻗﺪ ﻛﺎﻧﺖ ﺍﻟﻨﻮﺍﻗﻞ ﺍﻟﺘﻤﺎﺛﻠﻴﺔ ﻣﺘﺴﺎﻭﻳﺔ‬ ‫ﻃﺒﻖ ﻏﻴﺮ ﻣﻀﺒﻮﻁ ﺍﻟﺒﺆﺭﺓ ﻋﻠﻰ ﺍﻟﻄﺒﻖ‬ ‫ﻓﻰ ﺍﻟﻘﻮﺓ ﻭ ﺍﻟﻮﺿﻮﺡ ، ﻭ ﻛﺎﻥ ﻣﻌﺪﻝ /‪C‬‬ ‫550‪ INFOSAT V‬ﻭ ﻧﻈﺮﻳﺎ ﻓﺎﻥ‬ ‫‪ N‬ﺃﻋﻠﻰ ﻣﻦ ﺍﻟﻨﻮﺍﻗﻞ ﺍﻟﺮﻗﻤﻴﺔ ) ﻣﺎ ﻫﻮ‬ ‫ﻫﺬﺍ ﺍﻟﻨﻮﻉ ﻣﻦ ﻭﺣﺪﺍﺕ ﺧﻔﺾ ﺍﻟﺸﻮﺷﺮﺓ‬ ‫ﺍﻟﻄﺒﻴﻌﻲ ( ﻭ ﻛﻨﺎ ﻧﺘﻮﻗﻊ ﻣﻌﺪﻝ = ‪C/N‬‬ ‫ﺍﻟﻄﺒﻖ ﺑﻌﺪ ﺗﺮﻛﻴﺐ ﺣﺎﻣﻰ ﻭﺣﺪﺓ ﺧﻔﺾ ﺍﻟﺸﻮﺷﺮﺓ ﻣﻦ ﻧﻮﻉ ‪ C-band‬ﺑﻤﻈﻬﺮ‬ ‫ﻟﺪﻳﺔ ﻣﻌﺪﻝ 6.0( ‪ ( f/D‬ﻭ ﻟﻬﺬﺍ ﻳﻤﻜﻨﻪ‬ ‫5.32 ﺩﻳﺴﻴﺒﻞ !؟ ﻭ ﻟﻘﺪ ﺩﻭﻧﺎ ﻫﺬﺍ ﻟﻠﺘﺮﺩﺩ‬ ‫ﺃﻧﻴﻖ ﺍﻟﺸﻜﻞ‬ ‫ﻓﻘﻂ ﺭﺅﻳﺔ ﻣﺮﻛﺰ ﺍﻟﻄﺒﻖ ، ﻭ ﻟﻘﺪ ﺃﻛﺪﺕ‬ ‫‪ ، ( 3996H (PAL‬ﺍﻥ ﻗﻨﺎﺓ ﺍﻟﺠﺰﻳﺮﺓ‬ ‫ﻗﻴﺎﺳﺎﺗﻨﺎ ﻫﺬﻩ ﺍﻟﻨﻈﺮﻳﺔ ﺣﻴﺚ ﺍﻧﺨﻔﺾ‬ ‫ﺍﻟﺪﻭﻟﻴﺔ ﺑﺎﻟﻠﻐﺔ ﺍﻹﻧﺠﻠﻴﺰﻳﺔ ﺗﺒﺚ ﻋﻠﻰ‬ ‫ﺟﻮﺩﺓ ﺍﻹﺷﺎﺭﺓ ﺇﻟﻰ 1 ﺩﻳﺴﻴﺒﻞ ﺑﺎﻟﻤﻘﺎﺭﻧﺔ‬ ‫ﻫﺬﻩ ﺍﻹﺷﺎ ﺭﺍﺕ ﺍﻟﻘﻮﻳﺔ .‬ ‫ﻣﻊ ﻭﺣﺪﺓ ﺧﻔﺾ ﺷﻮﺷﺮﺓ ﺍﻟﺘﻲ ﺗﻌﻤﻞ‬ ‫ﻣﻊ ﻃﺒﻖ ﻣﻀﺒﻮﻁ ﺍﻟﺒﺆﺭﺓ ) = ‪C/N‬‬ ‫ﺍﺳﺘﻘﺒﺎﻝ ‪ Ku-Band‬؟‬ ‫‪ ( 11 dB‬ﻭ ﻋﻠﻰ ﺃﻱ ﺣﺎﻝ ﻓﺎﻥ ﻗﻤﺮ‬ ‫ﺍﻟﻘﻄﺒﻴﺔ ﺍﻟﺨﻄﻴﺔ‬ ‫ﻗﻮﻯ ﻣﺜﻞ ﻫﻮﺕ ﺑﻴﺮﺩ ﻳﻤﻜﻦ ﺍﺳﺘﻘﺒﺎﻟﻪ ﻣﻊ‬ ‫ﺣﻴﺚ ﺃﻥ ﺍﻷﻃﺒﺎﻕ ﺍﻟﺸﺒﻜﻴﺔ ﻣﺼﻤﻤﺔ‬ ‫ﻫﺬﺍ ﺍﻟﻨﻮﻉ ﺍﻟﺨﺎﻃﺊ ﻣﻦ ﻭﺣﺪﺍﺕ ﺧﻔﺾ‬ ‫ﺃﺳﺎﺳﺎ ﻻﺳﺘﻘﺒﺎﻝ ‪ C-Band‬ﻓﻘﻂ‬ ‫ﺍﻟﺸﻮﺷﺮﺓ ﻋﻠﻰ ﺍﻟﻄﺒﻖ ﻣﻮﺩﻳﻞ 550‪. V‬‬ ‫ﺍﺳﺘﺨﺪﻣﻨﺎ ﻭﺣﺪﺓ ﺧﻔﺾ ﺷﻮﺷﺮﺓ -‪Ku‬‬ ‫‪ Band‬ﻻﺳﺘﻘﺒﺎﻝ ‪ Ku-Band‬ﻭ ﺍﻟﺬﻱ‬ ‫ﺍﺳﺘﻘﺒﺎﻝ ‪ C-Band‬؟‬ ‫ﻟﻢ ﻳﻜﻦ ﺍﺳﺘﻘﺒﺎﻻ ﻗﻮﻳﺎ ﺑﻤﺎ ﻓﻴﻪ ﺍﻟﻜﻔﺎﻳﺔ‬ ‫ﺑﻘﻄﺒﻴﺔ ﺩﺍﺋﺮﻳﺔ‬ ‫، ﻭ ﻟﻘﺪ ﺍﺧﺘﺒﺮﻧﺎ ﻧﺎﻗﻞ ﻋﻠﻰ ﺍﻟﻘﻤﺮ ﻫﻮﺕ‬ ‫ﺍﻟﻮﻗﺖ ﺣﺎﻥ ﻟﺘﻮﺟﻴﻪ ﺍﻟﻄﺒﻖ ﻭ ﻧﻘﺘﺮﺡ ﺍﺳﺘﺨﺪﺍﻡ ﻣﻴﺰﺍﻥ ﻣﻴﺎﻩ ﻣﻊ ﻣﻘﻴﺎﺱ ﺯﺍﻭﻳﺔ‬ ‫ﻫﻨﺎﻙ ﺍﻟﻌﺪﻳﺪ ﻣﻦ ﺍﻷﻗﻤﺎﺭ ﺍﻟﺘﻲ ﺗﺒﺚ‬ ‫ﺑﻴﺮﺩ ) 31 ﺩﺭﺟﺔ ﺷﺮﻕ ( ﻭ ﻛﺎﻥ ﺃﺩﺍء‬ ‫ﻣﻤﺎ ﻳﺴﻬﻞ ﺿﺒﻂ ﺍﻟﺰﺍﻭﻳﺔ‬ ‫ﺑﺎﺳﺘﺨﺪﺍﻡ ﺍﻟﻘﻄﺒﻴﺔ ﺍﻟﺪﺍﺋﺮﻳﺔ ﻭ ﺍﻟﺘﻲ‬ ‫‪ C/N‬ﺃﺳﻮء ﻣﻦ ﺍﺳﺘﺨﺪﺍﻡ ﻭﺣﺪﺓ ﺧﻔﺾ‬ ‫ﻳﻤﻜﻦ ﺍﺳﺘﻘﺒﺎﻟﻬﺎ ﻓﻰ ﻣﻮﻗﻌﻨﺎ ﻭ ﻟﻜﻦ‬ ‫ﺷﻮﺷﺮﺓ ﻋﻠﻰ ﻃﺒﻖ ﺑﻘﻄﺮ 09ﺳﻢ ) 21‬ ‫ﺑﺪﺃﺕ ﺍﻟﻤﺘﻌﺔ : ﻣﺤﺎﻭﻟﺔ ﺍﺳﺘﻘﺒﺎﻝ ﺃﻗﻤﺎﺭ ‪ C-band‬ﺍﻟﺘﻲ ﺗﻘﻊ ﺍﺳﻔﻞ ﺍﻷﻓﻖ‬ ‫1-01 — ‪38 TELE-satellite & Broadband‬‬ ‫‪1/2008 — www.TELE-satellite.com‬‬
  5. 5. ‫ﺍﻟﺨﺎﺗﻤﺔ‬ ‫ﻣﻌﻈﻢ ﻫﺬﻩ ﺍﻷﻗﻤﺎﺭ ﻳﺘﻄﻠﺐ ﺃﻃﺒﺎﻕ‬ ‫ﺇﻥ ﺍﻟﻄﺒﻖ ﻣﻮﺩﻳﻞ 550‪ V‬ﻫﻮ‬ ‫ﺍﻛﺒﺮ ﻓﻰ ﺍﻟﺤﺠﻢ ﻣﻦ ﻗﻄﺮ 56.1‬ ‫ﻃﺒﻖ ﺷﺒﻜﻲ ﺧﻔﻴﻒ ﺍﻟﻮﺯﻥ ﻳﻤﻜﻦ‬ ‫ﻣﺘﺮ ، ﻭ ﻋﻠﻰ ﺃﻱ ﺣﺎﻝ ﺍﺳﺘﻄﻌﻨﺎ‬ ‫ﺍﺳﺘﻘﺒﺎﻝ ﺍﻟﻘﻠﻴﻞ ﻣﻨﻬﻢ ﻣﺜﻞ ﺍﻟﻘﻤﺮ‬ ‫ﺗﺜﺒﻴﺘﻪ ﻓﻰ ﺍﻟﺤﺪﻳﻘﺔ ﺑﻜﻞ ﺳﻬﻮﻟﺔ ، ﻭ‬ ‫7-‪ NSS‬ﻋﻨﺪ 22 ﺩﺭﺟﺔ ﻏﺮﺏ ﻭ‬ ‫ﻗﻄﺮ ﺍﻟﻄﺒﻖ 56.1 ﻣﺘﺮ ﻭ ﻫﻮ ﺍﻗﻞ‬ ‫ﺍﻟﻘﻤﺮ 202 ‪ YAMAL‬ﻋﻨﺪ 94‬ ‫ﻗﻄﺮ ﻣﻄﻠﻮﺏ ﻻﺳﺘﻘﺒﺎﻝ ‪C-band‬‬ ‫ﺩﺭﺟﺔ ﺷﺮﻕ ، ﻭ ﻟﻘﺪ ﺣﺼﻠﻨﺎ ﻋﻠﻰ‬ ‫ﻓﻰ ﺃﻭﺭﻭﺑﺎ ، ﻭ ﻟﻜﻨﻪ ﻛﺎﻓﻲ ﻟﻤﻨﺎﻃﻖ‬ ‫ﻣﻌﺪﻝ ‪ C/N‬ﺑﻤﻘﺪﺍﺭ 7-6 ﺩﻳﺴﻴﺒﻞ‬ ‫ﺃﺧﺮﻯ ﻭ ﺍﻟﺘﻲ ﺑﻬﺎ ﻗﻮﺓ ﺇﺷﻌﺎﻉ ﺍﻛﺒﺮ‬ ‫ﺣﻴﺚ ﺃﻥ ﻣﻘﺪﺍﺭ ﺍﻟﻘﺪﺭﺓ ﺍﻹﺷﻌﺎﻋﻴﺔ‬ ‫ﻷﻗﻤﺎﺭ ‪ ، C-band‬ﻣﻦ ﻣ ﺰﺍﻳﺎ ﺍﻟﻄﺒﻖ‬ ‫ﻟﻬﺬﻩ ﺍﻷﻗﻤﺎﺭ 04 ‪ dBW‬ﻓﻰ‬ ‫ﻣﻮﺩﻳﻞ 550‪ V‬ﺳﻬﻮﻟﺔ ﺍﻟﺘﺮﻛﻴﺐ ، ﻭ‬ ‫ﻣﻮﻗﻌﻨﺎ ﻭ ﺍﻟﺬﻱ ﻳﻌﻨﻰ ﺍﻧﻪ ﻻﺳﺘﻘﺒﺎﻝ‬ ‫ﻳﺴﻬﻞ ﺗﺮﻛﻴﺒﺔ ﻓﻰ ﺍﻟﺤﺪﺍﺋﻖ ﻭ ﻳﻔﻀﻞ‬ ‫‪The new‬‬ ‫‪STANDARD CLASS‬‬ ‫ﻫﺬﻩ ﺍﻷﻗﻤﺎﺭ ﻳﺠﺐ ﺇﻥ ﻳﺴﺘﺨﺪﻡ ﻛﺤﺪ‬ ‫‪SAT-Multiswitches for 8 SAT-IF - Inputs‬‬ ‫ﺍﺳﺘﺨﺪﺍﻣﻪ ﻛﻄﺒﻖ ﺛﺎﺑﺖ ﻓﻰ ﺍﻟﻤﻨﺎﻃﻖ‬ ‫ﺃﺩﻧﻰ ﻃﺒﻖ ﺑﻘﻄﺮ 5.1 ﻣﺘﺮ ﻭ ﻣﻊ‬ ‫ﺍﻟﺘﻲ ﺗﺴﺘﻘﺒﻞ ﺇﺷﻌﺎﻉ ‪C-band‬‬ ‫ﻣﻌﺪﻝ ‪ C/N‬ﻗﺮﻳﺐ ﻣﻦ 7 ﺩﻳﺴﻴﺒﻞ‬ ‫ﺑﻘﺪﺭﺓ ﻋﺎﻟﻴﺔ .‬ ‫ﺗﻢ ﺍﺳﺘﻘﺒﺎﻝ ﻫﺬﻩ ﺍﻟﻘﻨﻮﺍﺕ .‬ ‫ﻭ ﺍﻵﻥ ﻧﺨﺘﺒﺮ ﺍﻟﻄﺒﻖ ﻣﻊ ﻭﺣﺪﺓ ﺧﻔﺾ ﺷﻮﺷﺮﺓ ‪ Ku-Band‬ﺍﻟﺘﻲ ﺗﺴﺘﺨﺪﻡ ﻣﻊ‬ ‫‪DiSEqC Monitor TP‬‬ ‫612‬ ‫ﻃﺒﻖ ﻣﻀﺒﻮﻁ ﺍﻟﺒﺆﺭﺓ .‬ ‫‪Test - Devices‬‬ ‫ﺗﻌﻠﻴﻖ ﺍﻟﺨﺒﺮﺍء‬ ‫+‬ ‫ﻃﺒﻖ ﺧﻔﻴﻒ ﺍﻟﻮﺯﻥ ﻳﻔﻀﻞ ﺍﺳﺘﺨﺪﺍﻣﻪ ﻛﻄﺒﻖ ﺛﺎﺑﺖ‬ ‫ﺟﻤﻴﻞ ﺍﻟﺸﻜﻞ ﻭ ﻟﻴﺲ ﺑﺸﻊ ﺍﻟﻤﻨﻈﺮ!‬ ‫‪TTW 12 F‬‬ ‫‪Terrestrial Isolation Diplexer‬‬ ‫-‬ ‫‪Jacek Pawlowski‬‬ ‫‪TELE-satellite‬‬ ‫ﻧﺘﻴﺠﺔ ﻟﺮﻗﺔ ﺑﻨﺎء ﻫﺬﺍ ﺍﻟﻄﺒﻖ ﻳﺘﻄﻠﺐ ﻋﻨﺎﻳﺔ ﻛﺒﻴﺮﺓ‬ ‫‪Test Center‬‬ ‫‪Poland‬‬ ‫ﺃﺛﻨﺎء ﺍﻟﺘﺮﻛﻴﺐ ﻭ ﺍﻟﻨﻘﻞ .‬ ‫‪SPOAX‬‬ ‫‪SPAUN Coaxial Cable‬‬ ‫‪TECHNIC‬‬ ‫‪DATA‬‬ ‫‪Manufacturer‬‬ ‫.‪INFOSAT INTERTRADE CO., LTD‬‬ ‫‪Website‬‬ ‫‪www.infosats.com‬‬ ‫‪Email‬‬ ‫‪sales@infosats.com‬‬ ‫‪Tel./Fax‬‬ ‫7858-169 -2 -66+ / 3-1619-169 -2 -66+‬ ‫‪Model‬‬ ‫550‪V‬‬ ‫‪Accessories such as connectors and tools‬‬ ‫‪Function‬‬ ‫‪1.65 m Primary Focus Dish‬‬ ‫‪No. of segments‬‬ ‫4‬ ‫‪Focal length‬‬ ‫‪63 cm‬‬ ‫‪Depth‬‬ ‫‪28 cm‬‬ ‫‪f/D ratio‬‬ ‫83.0‬ ‫‪Material‬‬ ‫‪Aluminum mesh 0.9 mm‬‬ ‫‪Operating frequency‬‬ ‫‪3.4 ~ 12.75 GHz‬‬ ‫‪C-Band gain‬‬ ‫‪35.5 dB‬‬ ‫‪Ku-Band gain‬‬ ‫‪42 dB‬‬ ‫‪Stand pole‬‬ ‫”2 ∅ ,‪1 m‬‬ ‫906 ‪SPAROS‬‬ ‫‪TV Signal Analyzer‬‬ ‫‪Reflector weight‬‬ ‫‪3.8 kg‬‬ ‫‪Mounting stuff weight‬‬ ‫‪3.5 kg‬‬ ‫‪Pole and leg supports weight‬‬ ‫‪2.6 kg‬‬ ‫1-01 — ‪www.TELE-satellite.com‬‬ ‫‪1/2008 — TELE-satellite & Broadband‬‬ ‫14‬

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