The experiment is a sinusoidal signal to white Gaussian noise, then by Fourier transform of the sinusoidal signal spectrum estimation. Finally, use the matlab simulation, sine function in time domain and frequency domain waveforms, the key to identify the spectrum of the signal to noise ratio and the sine signal the relationship between the mean square error.

计算机技术 张建冲 201122172033 第一次作业.doc

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