This paper is focused on the adaptive echo canceller, which includes the electric echo canceller and the acoustic echo canceller.
本论文主要研究自适应回波消除器，包括电回波消除器和声回波消除器两个方面。
The electric voltage echo coefficient provides dependable theories to the power cable fault location.
电压反射系数为电力电缆故障测距提供了可靠的理论依据。
The electric voltage echo coefficient provides dependable theories to the power cable fault location.
电压反射系数为电力电缆故障测距提供了可靠的理论依据。
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