EDM-height traversing Doppler very high frequency omnidirectional radio range and distance measuring equipment 电子测距高程导线测量多普勒甚高频全向无线电信标及测距设备
Crystal-controlled secondary standard frequency measuring equipment 晶体控制次级频率标准测试装置
For testing daily frequency drift of rubidium frequency standard, this paper used the method of time difference, designed daily frequency drift measuring equipment for rubidium frequency standard. 针对铷频标日频率漂移率的指标测试要求,文中采用时差法,设计了铷频标日频率漂移率测量装置。
Methods The sound level and frequency were measured according to the corresponding health criterion and measuring method at big production equipment, crush room, control room and workshop. 方法是根据有关卫生标准及检测方法对生产设备、休息室、控制室等作业场所进行声强和频谱的测量。
This article introduces the overall design idea of remote real time monitoring and controlling management system for satelite on one frequency measuring and controlling equipment and the idiographic implementation method of using Delphi 3.0 to developing system. It refers many new techniques of Delphi. 介绍了卫星某频段控制设备远程实时监控系统的总体设计思想,以及利用Delphi3.0开发的具体实现方法,其中涉及了许多Delphi的最新技术。
A frequency measuring receiver is a core component in countermeasure reconnaissance equipment. Its accurate and reliable controlling determines the operating performances of the whole reconnaissance equipment. 测频接收机作为对抗侦察设备的核心部件,正确可靠地控制测频接收机决定整个侦察设备的工作性能。
Through analysis of the theoretical data, Such as the intrinsic angular frequency, natural cycles, noise and experimental frequency selection, etc., existing precision measuring instruments and equipment can fully meet our needs. 通过理论数据的分析,如固有角频率、固有周期、噪声和实验频率的选择等等,用现有测量手段和现有仪器精准度,可以完全达到通信的目的。