过零点法 meaning in Chinese

zero-crossing method

Then one of the methods of rotor position detection - bemf zero crossing point detection is explained in detail . in succession , the chapter dissertates the method of measuring phase voltage and supply voltage , and analyses the error of rotor position using this method
对转子位置检测方法中的反电势过零点法作了比较详细的介绍，讨论了反电势法中相电压和端电压的检测方法，并分析了利用该方法时而产生的转子位置检测误差。