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分析了噪声背景下实谐波过程ARMA模型系数之间的对称性,并以此为约束条件加入ARMA谱估计方法的求解过程中,从而提出了一种改进的正弦信号频率估计方法.理论分析与计算机仿真表明,对于低信噪比条件下的正弦信号参量估计,这一算法的精度与稳定性都优于仅使用总体最小二乘法(SVD-TLS)的ARMA谱估计方法.-Analysis of real harmonic process noise background symmetry between ARMA model coefficients, and a
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现代频谱估计是非线性估计，在20世纪70年代后发展起来，具有较高的频率分辨率-Modern spectrum estimation is a nonlinear estimation, developed in the 1970s, has a higher frequency Resolution.
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The Chinese have a comment, understand it, Based on the time delay estimation of power spectrum, Wavelet packet analysis to extract vibration signal characteristic frequency.
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FMCW frequency modulated continuous wave radar range and angular measurements, Based on the time delay estimation of power spectrum, Correlation diagram shown in detail the time domain and frequency domain.
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Is the topic of the elementary school stage curriculum design, Correlation diagram shown in detail the time domain and frequency domain, Based on the time delay estimation of power spectrum.
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EULER numerical analysis method, It can be directly calculated multi-fractal spectrum, This is a useful frequency estimation algorithm matlab simulation program.
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Mutual information is useful to calculate a set of procedures, You can get a very accurate amplitude, frequency, phase estimation, Energy spectrum analysis and calculation.
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