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cours3

于 2009-05-15 发布 文件大小:405KB
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  document of photonic crystal

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    全系诊断是应用广泛的信号处理技术,能够给出大量的振动信号中的信息(The entire department diagnosis is widely used in signal processing technology to give a large number of vibration signals of the information)
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  • source
    输入信号为方波信号+高斯白噪声,方波信号基 频为1kHz,幅值为1,高斯白噪声方差为0.2, 均值为0,采样频率为20kHz。试用周期图法和 ARMA谱估计法(SVD-TLS)估计此信号的功率 谱,并分析比较其结果(The input signal is a square wave signal+ Gaussian white noise, square wave signal fundamental frequency 1kHz, amplitude is a Gaussian white noise variance is 0.2, the mean is 0, the sampling frequency is 20kHz. Try periodogram and ARMA spectral estimation method (SVD-TLS) estimate the power spectrum of this signal, and the analysis and comparison of the results)
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