KEYWORDS: Signal processing, Image processing, Field programmable gate arrays, Fourier transforms, MATLAB, Signal analyzers, Medical imaging, Data storage, Digital signal processing, Clocks
A method of implement FFT based on FPGA IP Core is introduced in this paper. In addition, for the spectrum leakage caused by the truncation of the non-integer-period sampling, an improved method of adding window to the input signal to restrain the spectrum leakage is proposed. The design was simulated in the Matlab environment. The results show that the proposed method has good performance with some improvement.
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