本文详细的论述了依据正交相位检测法提取多普勒频移信号的方法，并对各部分实现电路作一简要的介绍。
This paper has discussed the way of probing Doppler shift signal based on crossed phase detecting method in detail and introduced each function circuits briefly.
本文介绍了移频轨道电路调整状态及分流状态调整电阻的计算方法。
Method of calculating the adjusting resistance of frequency shift track circuit for normal state and shunting state is introduced.
线路均衡器控制方法，积分电路，频移电路和传输装置。
Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
根据移频轨道电路的特点，本文分析了电压、电流在线测量过程中采用的信号采集技术。
According to the characteristics of frequency shift track circuits, this paper has analyzed signal acquisition methods of voltage and current measurement on line.
本文对移频自动闭塞发送设备信息源电路的频率安全性及稳定性进行了分析，并总结出最佳设计方案。
The article analyses the frequency security & stability of signal generator circuit of dispatching equipment of automatic block with frequency shift, and an optimum design scheme is concluded.
本文详细介绍了如何解决在线测试现代电气化铁路移频轨道电路参数的技术难题。
This paper shows in detail about how to resolve some technical problems for on-line testing circuits parameters in electrical railway.
本文详细介绍了如何解决在线测试现代电气化铁路移频轨道电路参数的技术难题。
This paper shows in detail about how to resolve some technical problems for on-line testing circuits parameters in electrical railway.
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