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文章简单介绍在研制数字信号分析系统时采样分析模拟信号应当处理的几个理论问题,并提出谱分析时的谱峰修正因子,和在谱估计时改善方差性能的几种方法。
The article briefly introduces several theoretical issues that should be dealt with when sampling and analyzing analog signals in the development of digital signal analysis system and proposes the correction factors of spectrum peaks in spectral analysis and several methods to improve the variance performance in spectral estimation.