文件名称:20101008084341
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用谐波信号(至少两个以上频率)产生一组时间数字序列,用FFT分析信号的频谱,确定采样频率、采样的数据长度,根据FFT的计算结果分析信号的幅值和相位。
讨论采样频率、数据长度对结果的影响。
-With harmonic signals (at least two or more frequency) produces a set of time sequence of numbers, with the FFT frequency spectrum analysis to determine the sampling frequency, sampling data length, the calculated results based on FFT analysis of signal amplitude and phase. Discussion of the sampling frequency, data length on the results.
讨论采样频率、数据长度对结果的影响。
-With harmonic signals (at least two or more frequency) produces a set of time sequence of numbers, with the FFT frequency spectrum analysis to determine the sampling frequency, sampling data length, the calculated results based on FFT analysis of signal amplitude and phase. Discussion of the sampling frequency, data length on the results.
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下载文件列表
DFT file\cirshftt.m
........\conv_m.m
........\dfs.m
........\evenodd.m
........\gdttest.m
........\idfs.m
........\p103.m
........\p103N100.m
........\p103N128.m
........\p103N250.m
........\p104.m
........\samp3_10.m
........\samp3_11.m
........\samp3_13.m
........\samp3_14.m
........\samp3_15.m
........\samp3_16.m
........\samp3_17.m
........\samp3_18.m
........\samp3_5.m
........\samp3_6.m
........\samp3_7.m
........\samp3_8.m
........\samp3_9.m
DFT file
........\conv_m.m
........\dfs.m
........\evenodd.m
........\gdttest.m
........\idfs.m
........\p103.m
........\p103N100.m
........\p103N128.m
........\p103N250.m
........\p104.m
........\samp3_10.m
........\samp3_11.m
........\samp3_13.m
........\samp3_14.m
........\samp3_15.m
........\samp3_16.m
........\samp3_17.m
........\samp3_18.m
........\samp3_5.m
........\samp3_6.m
........\samp3_7.m
........\samp3_8.m
........\samp3_9.m
DFT file