该词条未找到_海词词典

您要查找的是不是：

digital microwave radio transmitter-receiver equipment 数字微波无线电收-发设备
Generic specification for digital microwave radio relay communication equipment 数字微波接力通信设备通用技术条件
Methods of measurement for the digital microwave radio relay communication equipments 数字微波接力通信设备测量方法
digital microwave radio 数字微波无线电
Combining advanced technology from Harris and domestic talents in China, HCS is focused on developing, manufacturing and post-sales services of microwave radio products. 公司引进国外先进技术，利用中国的人才优势，从事哈里斯数字微波通讯设备的开发、生产、销售及售后服务。
Examined by practice, this algorithm has already been applied in 64QAM demodulator for SDH digital microwave communication system. 经实际验证，该算法已成功应用在SDH数字微波通信系统的64QAM解调器中。
The design of digital microwave radiometer at Sheshan station has realized the digital and automatic function and reduced the cost of labor. 通过对佘山站模拟式微波辐射计的改进，摒弃了传统的绘图仪，提高了数字化和自动化程度，降低了劳动成本。
QAM at a fixed point-to-point digital microwave systems in the wider application, it has a very high frequency spectrum utilization. QAM在固定的点对点数字微波系统中应用较广泛，它具有很高的频谱利用率。
The paper introduces the design and development of directional antenna turntable servo system for the communication between the ship with a microstrip antenna and the station with a microwave radio. 本文论述了用于海上船只与地面站微波通信的定向天线转台伺服控制系统的设计与开发过程。
DUV (Data Under Voice) is introduced.It permits signals to "hitch-hike" on existing microwave radio systems by using the lower end of the frequency band not normally used for voice. DUV（话下数据）推出，它允许信号在现有的微波无线电系统中“搭便车”，使用微波频带中的低端部分，通常不用于话音传输。
Digital data network(DDN) is contrived to transmit data signals with digital channels( optical cable or digital microwave) and digital cross connect(DXC) equipment. 数字数据网(DDN)是利用数字信道(光缆或数字微波)及数字交叉连接(DXC)设备来传送数据信号的数据传输网。
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. 阐述了数字微波无线通信网的特点,同时介绍了汾西矿务局数字微波通信网路由图,并提出了改进建议。
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. 新疆目前已先后建成了乌鲁木齐经奎屯、博乐至伊犁，奎屯经克拉玛依到阿勒泰，吐鲁番经库尔勒、阿克苏、喀什至和田的数字微波干线电路；
Main products include PDH series digital microwave communication equipments, digital TV CODEC, digital MMDS/MUDS transmitting and relaying equipments, high performance antenna, etc. 主要产品有：PDH系列数字微波通信设备，数字电视编解码器、数字MMDS/MUDS发射和中继设备、高性能微波天线等。
microwave radio relay communication 微波中继通信
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. 全国已建成包括光纤、数字微波、卫星、程控交换等各种先进手段，覆盖全国、通达世界的公用电信网。
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. 新疆目前已先后建成了乌鲁木齐经奎屯、博乐至伊犁，奎屯经克拉玛依到阿勒泰，吐鲁番经库尔勒、阿克苏、喀什至和田的数字微波干线电路；
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. 新增长途光缆27000皮长公里，数字微波干线14400公里，电话交换机容量1961万门。
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. 南北疆数字微波工程，西安经兰州、乌鲁木齐、伊宁到霍尔果斯口岸的四条群干线光缆，乌鲁木齐经吐鲁番、库尔勒、若羌从茫崖出疆的第二出疆光缆，亚欧光缆。
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. 全国已建成包括光纤、数字微波、卫星、程控交换等各种先进手段，覆盖全国、通达世界的公用电信网。