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- VHF and UHF direction finder 甚高频与超高频测向器
- The engineering design contains two parts, one is the development of matching networks for multicouplers in VHF and UHF, and the other is the design of microwave FET amplifiers. 在工程设计中,包括两部分:一部分是VHF和UHF多路收发耦合器耦合匹配网络的研制,另一部分是宽带微波FET放大器的优化设计,前者属于无源负载匹配网络的设计,后者属于有源负载匹配网络的设计,这是两个科研项目。
- In 1987, the FCC issued a ruling indicating that the HDTV standards to be issued would be compatible with existing NTSC service, and would be confined to the existing VHF and UHF frequency bands. 1987年 扑灭发出裁决表示将发行标准清晰度电视;也符合现行NTSC系统服务 而限于现有的甚高频、超高频频带.
- all solid state VHF and UHF TV transposer 全固态甚高频和特高频电视差转机
- UDF (UHF Direction Finder) 超高频测向器
- Marine VHF and microwave Line of Site Radio System. 现场无线电系统海洋VHF和微波线路。
- VHF and UHF Doppler radar 甚高频和超高频多普勒雷达
- VHF and UHF tuner 甚高频和超高频调谐器
- I am calibrating radio direction finder or adjusting compasses. 我正在校准无线电测向仪或校正指南针.
- Inspection installation for loop antenna of direction finder on berth. 测向仪环状天线船台安装检查。
- cathode-ray VHF direction finder 带阴极射线显示器的甚高频探向器
- A radio direction finder system is designed on the basis of the principle of Doppler Direction Finder technology. 在对多普勒无线电测向技术深入研究的基础上设计实现了一套无线电测向系统.
- The first section of this paper discusses the theory of the Doppler Radio Direction Finder technology. 本文首先分析了多普勒无线电测向技术的基本原理。
- In this case the fighters, typically Focke-Wulf Fw 190s, were equipped only with a direction finder and landing lights. 夜间战斗机的乘员多在两名或者是两名以上,除了共同分担作业压力,提高滞空时间,也可以更好的搜索目标。
- Function test and calibration self-heterodyne curve for direction finder on sea trial. 航行试验中测向仪效用试验及自差曲线校正。
- And the second section is the detail about the hardware of Doppler Direction Finder and the hardware and software of control circuit and display circuit in system. 接着描述了无线电自寻的系统中多普勒无线电测向仪的硬件构造,以及控制电路板、显示电路板的软件及硬件构造。
- Based on frequency mixing technique, the hardware of this system, including UHF sensor and UHF receiver, was developed. 基于混频技术研制了系统硬件,它包括特高频传感器和特高频接收机。
- He has designed more than 30 types of safety equipments, including a low cost earthquake alarm, an epicenter direction finder and an epicenter distance locator. 他已经设计了30多种安全装置,包括一个低成本的地震报警仪,一个震中方向确定议,以及一个震中距离确定仪。
- VHF, UHF, videography, and infrared systems and headsets. 网站简介 : Wireless microphones for working people.
- UPM Raflatac's RFID business area specializes in the cost-effective high-volume production of HF and UHF tags and inlays. 公司开发和生产各式各样产品及信息标签所需要的纸质和薄膜类标签材料,同时也提供涂布纸,未涂布纸,热敏纸,高质量薄膜以及其它特殊产品。