... estimated power spectrum 估计功率谱 European Wideband Communications System EWCSn欧洲宽频带通信系统 even channel 偶数通路 ...
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其二是利用两两毗邻的记录道来估计信号功率谱。
Estimate the signal power spectrum from recorded traces in neighbouring pairs.
将它与相关积累技术和功率谱集平均技术相结合，能提高该方法的估计性能。
After combined with correlation accumulation technique and power spectrum collection-average technique, the estimation performance can be improved.
本方法不需要特征分解，并且得到的是通常意义上的功率谱(可用于估计信号的能量)。
In this method, eigen-decomposition does not have to be used, and the direction spectrum is the power spectrum in common sense (it can be used to estimate signal power).
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