【摘 要】
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一、引言谱估计往往是分辨和跟踪噪声中感兴趣的信号并从接收数据中提取信息的基础。远在1898年,Shuster 就把付立叶技术用在估计噪声数据中正弦信号的性质的问题中了。付立
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一、引言谱估计往往是分辨和跟踪噪声中感兴趣的信号并从接收数据中提取信息的基础。远在1898年,Shuster 就把付立叶技术用在估计噪声数据中正弦信号的性质的问题中了。付立叶谱分析是几乎所有谱估计仪器的基础,后者包括普通扫频滤波器谱分析仪、并行滤波器组、快
I. INTRODUCTION Spectral estimation is often the basis for resolving and tracking signals of interest in noise and extracting information from received data. Far in 1898, Shuster put the Fourier technique in the problem of estimating the nature of sinusoidal signals in noise data. Fourier spectrum analysis is the basis for almost all spectral estimation instruments, which include common spectral sweep filter analyzers, parallel filter banks, fast
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