集平均 meaning in Chinese

ensemble average

When combined with correlation accumulate technique and power spectrum collection - average technique , the temporal efficiency is enhanced
将它与相关积累技术和功率谱集平均技术相结合，能提高该方法的时效性。
In order to obtain lower snr estimation , spectrum accumulation average technique ( aat ) and cross - correlation accumulation technique ( ccat ) are added to the output of cdm processing , several improved methods are proposed , and obtain lower snr limitation effectively
为获得更低的信噪比容限,提出了在平方倍频处理后端加入频谱集平均技术和互相关积累技术的若干改进方法,成功实现更低信噪比下的估计。
The spectral correlation density must be estimated before the ds signal parameter estimation . in order to reduce the effect of random noise , we provide a improved method to estimate the spectral correlation density which is based on the average algorithm . it can make the spectral line be more obvious , and improved the snr limit when estimating these parameters
在利用ds信号谱相关域所表现的特征进行参数估计时,首先要利用有限时间数据对ds信号进行谱相关密度估计,为降低随机噪声对谱相关密度估计的影响,本文引入了集平均的思想,提出采用集平均的方法估计谱相关密度,从而在参数估计时,特征谱线更显著,提高了参数估计的信噪比容限。