对局部放电信号的处理的程序，放电次数，相位，放电量的3维谱图。-Of partial discharge signal processing procedures, discharge frequency, phase, the discharge amount of 3-D spectrum.

局部放电模式识别时的谱图计算，该谱图用于计算能量随相位的分布-Spectrum of computing partial discharge pattern recognition, which is used to calculate the energy spectrum with phase distribution