Application of internet-based remote video frequency surveillance in the observation system of automatic weather station 基于Internet的远程视频监控在自动站观测系统中的应用
The design accomplishes the electronic communication net monitor system based on the network interconnection of IP net and remote video frequency system based on the network interconnection of IP net. 设计实现了基于IP网的网络互联的远程视频监控系统;探讨并实现了作为数据业务的通信网监控系统和作为视频业务的视频监控系统在同一网络共传的方式。
Research on the Wideband & Low Spurs Remote Sensing Satellites Simulator Frequency Synthesizer 宽带低噪遥感卫星模拟信号频综源技术研究
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched28MHZ are continuous carrier amplitude. 该遥控装置采用晶体稳频脉冲调幅发射机,电路较简单,频率稳定度高,发射的是间断的28MHZ等幅载波。
System can be collected and remote signal level and frequency, and the measurement of the complete. 系统可以采集16路远动信号的电平和频率,并完成对其的测量。