文件名称:discrete-Fourier-transform
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1、用Matlab产生正弦波,矩形波,并显示各自的时域波形图;
2、进行FFT变换,显示各自频谱图,其中采样率、频率、数据长度自选,要求注明;
3、绘制三种信号的均方根图谱;
4、用IFFT回复信号,并显示恢复的正弦信号时域波形图。
-1, using Matlab to generate sine wave, square wave, and shows the respective time-domain waveform
2, FFT transform, display each spectrum, where the sampling rate, frequency, length of data demand, requirements specified
3, three maps drawn rms signal
4, the reply signal by IFFT, the sinusoidal signal and displays the recovered time-domain waveform.
2、进行FFT变换,显示各自频谱图,其中采样率、频率、数据长度自选,要求注明;
3、绘制三种信号的均方根图谱;
4、用IFFT回复信号,并显示恢复的正弦信号时域波形图。
-1, using Matlab to generate sine wave, square wave, and shows the respective time-domain waveform
2, FFT transform, display each spectrum, where the sampling rate, frequency, length of data demand, requirements specified
3, three maps drawn rms signal
4, the reply signal by IFFT, the sinusoidal signal and displays the recovered time-domain waveform.
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MATLAB的离散傅里叶变换的仿真.doc
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