Using the test signal method, a detailed analysis of subsynchronous oscillation for a HVDC system is performed.
对一个仅含有直流输电线路的系统，采用复转矩系数——测试信号法，对其次同步振荡特性进行了分析。
The short-wave detection signal method can guarantee reliable and accurate information transmission, achieving high reliable information-receiving.
采用短波探测信号方法，可以保证信息传输可靠准确地传输，实现高可靠的信息接收。
The measuring vibrating signal method may be used on real time, mean while, vibrating signal can be measured by peak to peak value or true virtual value .
对风机的振动量监测可以采用振动信号波形的实时监测，也可采用对峰峰值或有效值的实时监测。
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