... maintenance expert. Offers some characteristics function, such as long time domain waveform, XPM,run-up/down testing ... ;Measuring time domain waveform, spectrum, overall value and long time domain waveformMeasuring XPM, cross-power spectrum, phase difference ... 0.1dB)Signal processingConfigurationSampling frequency, High band pass filter, low band pass filter, Sampling length,users can set any value as ...