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The Software Method of FFT on Personal Computer

Tang Liangrui; Liu Lan(CAD Research Center, North China Univ, of Tech,, 100041, Beijing, China)  
This paper describes a way of designing Fast Fourier Transformation (FFT) on personal computer as a result the rapid development of computer technology.As an application, this paper introduces the method of implementing power spectral estimation with FFT algorithm. By analysing the result, we know that the speed and accuracy of the method have attained a higher level, which proves its feasibility.
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