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- The total length of long-distance optical cable installed increased by 27,000 sheath km,that of digital microwave links by 14,400 km,and the number of telephone lines by 19.61 million. 新增長途光纜27000皮長公里,數字微波幹線14400公里,電話交換機容量1961萬門。
- The total length of long-distance optical cable installed increased by 27,000 sheath km, that of digital microwave links by 14,400 km, and the number of telephone lines by 19.61 million. 新增長途光纜27000皮長公里,數字微波幹線14400公里,電話交換機容量1961萬門。
- Application of spatial diversity system in Sunan digital microwave link 空間分集系統在蘇南數字微波電路中的應用
- "The transmission medium for a digital channel can be optical cable, digital microwave link and satellite circuit, etc." 數字通道的傳輸媒體可以是光纜、數字微波、衛星通道等各種手段。
- Digital microwave communications link the southern and northern parts of the region,and optical cable trunk lines link Urumqi with Xi'an,Lanzhou,Yining,Korgas checkpoint,Turpan,Korla,Ruoqiang and Mangya. 南北疆數字微波工程,西安經蘭州、烏魯木齊、伊寧到霍爾果斯口岸的四條群幹線光纜,烏魯木齊經吐魯番、庫爾勒、若羌從茫崖出疆的第二出疆光纜,亞歐光纜。
- Digital microwave communications link the southern and northern parts of the region, and optical cable trunk lines link Urumqi with Xi'an, Lanzhou, Yining, Korgas checkpoint, Turpan, Korla, Ruoqiang and Mangya. 南北疆數字微波工程,西安經蘭州、烏魯木齊、伊寧到霍爾果斯口岸的四條群幹線光纜; 烏魯木齊經吐魯番、庫爾勒、若羌從茫崖出疆的第二出疆光纜,亞歐光纜;
- Examined by practice, this algorithm has already been applied in 64QAM demodulator for SDH digital microwave communication system. 經實際驗證,該演算法已成功應用在SDH數字微波通信系統的64QAM解調器中。
- The design of digital microwave radiometer at Sheshan station has realized the digital and automatic function and reduced the cost of labor. 通過對佘山站模擬式微波輻射計的改進,摒棄了傳統的繪圖儀,提高了數字化和自動化程度, 降低了勞動成本。
- QAM at a fixed point-to-point digital microwave systems in the wider application, it has a very high frequency spectrum utilization. QAM在固定的點對點數字微波系統中應用較廣泛,它具有很高的頻譜利用率。
- Digital data network(DDN) is contrived to transmit data signals with digital channels( optical cable or digital microwave) and digital cross connect(DXC) equipment. 數字數據網(DDN)是利用數字通道(光纜或數字微波)及數字交叉連接(DXC)設備來傳送數據信號的數據傳輸網。
- The characteristics of digital microwave communication network are introduced,the route diag ram of Fenxi mining bureau is presented,and some improving opinions are put forward. 闡述了數字微波無線通信網的特點,同時介紹了汾西礦務局數字微波通信網路由圖,並提出了改進建議。
- Xinjiang has built digital microwave trunk circuits linking Urumqi with Ili through Kuytun and Bole, linking Kuytun with Altay through Karamay, and from Turpan to Hotan through Korla, Aksu and Kashi. 新疆目前已先後建成了烏魯木齊經奎屯、博樂至伊犁,奎屯經克拉瑪依到阿勒泰,吐魯番經庫爾勒、阿克蘇、喀什至和田的數字微波幹線電路;
- AML(Amplitude Modulated Microwave Link) 調幅微波鏈路
- Main products include PDH series digital microwave communication equipments, digital TV CODEC, digital MMDS/MUDS transmitting and relaying equipments, high performance antenna, etc. 主要產品有:PDH系列數字微波通信設備,數字電視編解碼器、數字MMDS/MUDS發射和中繼設備、高性能微波天線等。
- A national public telecommunications connected to all parts of the world has been formed, using various advanced technologies including fiber-optics, digital microwave, satellite, SPC switching, etc. 全國已建成包括光纖、數字微波、衛星、程式控制交換等各種先進手段,覆蓋全國、通達世界的公用電信網。
- Xinjiang has built digital microwave trunk circuits linking Urumqi with Ili through Kuytun and Bole,linking Kuytun with Altay through Karamay,and from Turpan to Hotan through Korla,Aksu and Kashi. 新疆目前已先後建成了烏魯木齊經奎屯、博樂至伊犁,奎屯經克拉瑪依到阿勒泰,吐魯番經庫爾勒、阿克蘇、喀什至和田的數字微波幹線電路;
- A national public telecommunications connected to all parts of the world has been formed,using various advanced technologies including fiber-optics,digital microwave,satellite,SPC switching,etc. 全國已建成包括光纖、數字微波、衛星、程式控制交換等各種先進手段,覆蓋全國、通達世界的公用電信網。
- The realization of mixed transmission of analog and digital microwave by existing analog microwave transmission path can help to save capital and achieve the aim of digital transmission of signals. 如果利用已有模擬微波傳輸通道,實現模擬和數字微波信號的混合傳輸,不僅可以節約資金,又能達到信號數字化傳輸的目的。
- * Cable TV backbone network AML, FML multi-channel microwave link system; *有線電視骨幹網的AML、FML多路微波鏈路系統;
- digital microwave relay communication system 數字微波接力通信系統