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- By means of the model,with data from microwave communication hop on plain area in Hebei province,influences of hop length,antenna height difference and weather to alarm are made. 利用模型结合河北省平原地区的实际数据资料,进行了微波中继段站距、天线高差以及气候因素对告警的影响规律分析。
- microwave communication hop 微波中继段
- Chengdu Seekon Microwave Communication Co., Ltd. 成都西科微波通讯有限责任公司。
- Products such as Radio Antenna, Microwave communication set. 销售并安装电器,产品类似于收音设备、网络通讯设备。
- They are widely used in airspace, missilery, microwave communication and various kinds of apparatuses. 被广泛应用于宇航、导弹、微波通讯及各种精密电子仪器设备中。
- A group of curve to show the necessary bandwidth via channel load levels is given for typical microwave communication systems. 同时对一些典型的微波通信系统,给出了频带宽度与话路负载的关系曲线。
- 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 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。
- Through a micro-nuclear test of Vicia faba root tip cell, the electromagnetism radiation of microwave communication basement and broadcasting station was detected. 通过蚕豆根尖细胞微核试验,对微波通信基站和广播电台周围环境电磁辐射水平进行监测,了解了不同电磁辐射强度与蚕豆根尖细胞微核率之间的关系。
- 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。
- It was only after the advent of microwave communication technology that it became possible for radio technology to be applied in full scale to the field where cable transmission had been dominant. 只有在微波通信技术出现以后,才能在原电缆传输占主要地位的领域中大规模采用无线技术。
- SMA series connectors have the advantages of miniature, wide frequency band, low VSWR, high stability and reliability.They are widely used in airspace, microwave communication and various apparatuses. 该连接器具有体积小,工作频带宽,电压驻波比低,性能稳定,可靠性高等特点,已被广泛应用于宇航、微波通讯及各种精密电子仪器设备中。
- It is a specialized enterprise which produces moving-communication tower, microwave communication tower, broadcast and television tower, and towers for the ultrahigh-tension power transmission lines. 是生产移动通讯塔、微波通讯塔、广播电视塔、高压输电线路铁塔的专业公司。
- Marconi in their old age on short-wave and microwave communications done important research. 马可尼在晚年对短波和微波通信做了重要的研究。
- Most microwave communications equipment is left alone after installed and turned on. It will run for years virtually unattended. 大多数微波中继设备一旦安装好并通电以后,就不用人看管,这些设备将工作多年而几乎无需维护。
- Microwave communications link devices: SMA, SMB, MCX, MMCX, feeder lines, grounding, and line cards and other products arrester. 微波通信连接器件:SMA、SMB、MCX、MMCX、馈线、接地、线卡及避雷器等系列产品。
- Nanjing赛the machinery of Zhu Lei, the main processing unit microwave communications devices, such as diplexers, filters, waveguide coupling, and so on. 我是南京赛工机械的朱磊,本单位主要加工通讯微波器件,如双工器,滤波器,偶合器波导等等
- Satellite and microwave communication system 卫星及微波通讯系统
- Terminal box for microwave communication 通讯微波盒
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。