[ dsp TIPS & TRICKS ] Richard
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چکیده
T his article discusses the estimation of time-domain sinewave peak amplitudes based on the fast Fourier transform (FFT) data. Such an operation sounds simple, but the scalloping loss characteristic of FFTs complicates the procedure. Here we present novel multiplier-free methods to accurately estimate sinewave amplitudes, based on FFT data, that greatly reduce scalloping loss problems.
منابع مشابه
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تاریخ انتشار 2011