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function fftdata=BUTTERFLY(data,N,n) %n=N; %N表示所计算的序列的总长度,n表示n层运算 ii=1;t=2^n; kk=N/2; for k=0:(2^(n-1)-1) temp3=data(ii…
Butterfly+Operation 源代码
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/* * imdct.c * Copyright (C) 2000-2003 Michel Lespinasse * Copyright (C) 1999-2000 Aaron Holtzman * * The ifft algorithms i…
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/* * FFT/MDCT transform with 3DNow! optimizations * Copyright (c) 2006 Zuxy MENG Jie. * Based on fft_sse.c copyright (c) 2002 F…
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/* * FFT/MDCT transform with SSE optimizations * Copyright (c) 2002 Fabrice Bellard. * * This library is free software; you ca…
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Butterfly BASIC Internals Manual Using and Porting Butterfly BASIC Butterfly BASIC is a BASIC interpreter specially written …
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// Butterfly BASIC - a BASIC interpreter for the MSP430 // Copyright (c) 2003, 2004 Paul Curtis // email: plc@rowley.co.uk //…
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/* Convolutional encoder and Viterbi decoder for K=7 rate=1/2 code * Copyright 1999 Phil Karn, KA9Q * May be used under the term…
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/* Copyright 1994 Phil Karn, KA9Q * May be used under the terms of the GNU Public License */ /* The two generator polynomials fo…
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#define Clip1(a) ((a)>255?255:((a)
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//输入内容可在put_in内设置，最高1024点的fft #include #include #include #include #include //#include #define pi 3.1416 double x…