The new method use least mean square ( LMS) filter instead of traditional multinomial interpolation filter, and apply energy detecting arithmetic to reduce the error code ratio within the delay of half period transmittal. 该方案以信号插值为理论基础,用最小均方滤波器替代传统的多项式插值滤波器,并采用能量检测算法以降低半周期传输延迟时的误码率。