multifrequency signalling meaning in Chinese

多频信号方式
多频信令

Abstract : based on signal processing theory about high - order cumulants ( hoc ) , a fast , inexpensive and unbiased cumulants estimation approach is proposed for the detection of multifrequency signals between offices connected to telephone networks
文摘:基于高阶累积量的信号处理理论，提出了一种快速、简便且无偏估计的方法对多频信号进行有效的检测。