The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed.
常用超低频信号发生器的输出只有几种固定的波形，不能更改。
A natural frequency software analysis system of simple operation, fast judgement, exactness and clearness is set up as to meet the needs of generator-end fixed improvement and service.
建立操作简单、判断快速、准确、清晰的固有频率软件分析系统，以适应大型发电机端部固定改造维修后的检测要求。
The virtual signal generator has 12-channels outputs for linear scanning frequency signal or fixed frequency sine wave excitation signal.
该发生器可以输出相位差可调的12通道线性扫频正弦激励信号或者输出12通道定频正弦激励信号。
The virtual signal generator has 12-channels outputs for linear scanning frequency signal or fixed frequency sine wave excitation signal.
该发生器可以输出相位差可调的12通道线性扫频正弦激励信号或者输出12通道定频正弦激励信号。
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