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- switched beam direction finder 波束转换测向仪
- 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。
- 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。
- Sound beam diameter, refracted angle, beam direction, expected flaws, instrument serial number. 声束直径、折射角、波束方向、预计缺陷、仪器编号。
- Complicated mathematical relations exist between beam direction angle and mechanical angle of the antenna pedestal in Cassegrain antenna system discussed in this paper. 文中介绍的卡塞格伦天线系统中,波束指向角度和天线座机械角度有着复杂的数学关系。
- 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。
- This paper analyzes the effects of amplitued-phyase errors and element failure on antenna gain, beamwidth, beam direction, and sidelobe level in sparse array. 围绕天线阵增益、束宽度、向和副瓣电平等指标，分析了幅相误差、元失效对稀疏阵列天线性能的影响。
- 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。
- When your search party is within range of his signal, your directional finder will lead you right to him. 如果搜索队能进入讯号的范围，就可以运用导向装置找到他。
- Design of switched beam antenna in mobile communication system 移动通信系统中的波束转换智能天线设计
- Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system. 由于对天线波束指向的调整在很小的范围内，故对天线的副瓣及波瓣宽度指标的影响可忽略，从而不会影响到雷达系统的基他性能。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- The interference beam directed on the aero boat is the key factor in interference to the satellite communication earth station. 摘要飞艇载干扰波束定向问题是影响对卫星通信地面站干扰效果的关键因素。
- direction finder and radiobeacon 测向仪与指向标
- A new smart antenna system combined with adaptive antenna and switched beam 相结合的新型智能天线
- Study on Dual-Channel Doppler Direction Finder 双通道多普勒测向机研究
