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TI 54x fft
- DSP编程代码,FFT算法,经典!! FFT实验 一、 理论: 公式(1)FFT运算公式 FFT并不是一种新的变换,它是离散傅立叶变换(DFT)的一种快速算法。由于我们在计算DFT时一次复数乘法需用四次实数乘法和二次实数加法;一次复数加法则需二次实数加法。每运算一个X(k)需要4N次复数乘法及2N+2(N-1)=2(2N-1)次实数加法。所以整个DFT运算总共需要4N^2次实数乘法和N*2(2N-1)=2N(2N-1)次实数加法。如此一来,计算时乘法次数和加法次数都是和
rfft
- 计算实序列傅立叶变换,利用其共轭对称性计算速度快,存储量小。
rfft
- DSP的实时FFT程序-DSP real-time FFT procedure
rfft.rar
- 实数计算fft,按照复数计算,最大计算点数2048点复,算法经过优化,Calculation of real fft, in accordance with the plural, the largest 2048-point complex number calculation, the algorithm is optimized
rfft
- fft calculation of any input signal
FFT
- 本程序是基于C54x DSP的通用实数FFT程序,适合点数16~1024点或复数点数8~512点,主程序为rfft.asm。-This procedure is based on the C54x DSP real FFT common procedures, for points 16 ~ 1024 points, or plural points 8 ~ 512 points, the main program for rfft.asm
DSP_RFFTTEST
- DSP算法 Exercise the rfft function for real FFTs-DSP Algorithm Exercise the rfft function for real FFTs
RFFT
- calculate dft source
rfft
- 这个函数就是用来进行离散的DFT运算了。它可以指定运算的长度。-This function is used for computing the discrete DFT. It can specify the length of operations.
Simulator
- Simulator 这是一个仿真程序文件夹下面有: acorr 自相关 add 向量相加 convol 卷积 corr 互相关 dlms 自适应算法 hpassfir 高通FIR算法 lpassfir 低通算法 mmul 矩阵相乘 rfft FFT算法实验 sin 这是一个产生正弦波数据的程 sub 向量相减 -Simulator is a simulation program folder belo
dspFFT
- dsp实验中fft算法的实现,调用库函数通过rfft函数实现-dsp experiment fft algorithm, call the library functions achieve rfft function
rfft
- 计算实序列的快速傅里叶变换,它比复序列FFT算法大约可减少一半的运算量和存储量。-Calculate the real sequence of the fast Fourier transform, which is the time taken by the sequence of the base 2 FFT algorithm, it is more than complex sequence FFT algorithm can be roughly halved the amount o
rfft
- 数字信号处理FFT算法rfft.c,简单易懂-Digital signal processing FFT algorithm rfft,Straightforward..
rfft
- the code file that is uploded is rfft file
TransformCFortran
- Radix-2 and Kronecker Product RFFT, DST and DCT ... Routines for any number of data points are provided. The 21 programs are grouped as C and Fortran programs. The programs were compiled and tested under Sun Solaris, Microsoft Fortran Power Statio
2812FFT
- TI公司提供的原版FFT库函数,包含32位,64位等CFFT和RFFT函数,很难找到,很实用。-Original FFT library functions provided by TI, including 32, 64, etc. CFFT and RFFT function, it is difficult to find, very practical.
rfft
- Real sequence of Fourier transform 实序列傅立叶变换 已验证 用N点FFT计算2N点实序列的FFT,比直接进行2N点FFT运算减少一半运算量 -Real sequence of Fourier transform verified with N points FFT calculation sequence of 2 N point FFT, than half 2 N point FFT operation to reduce computational
2_16_6_5_ADPRFFT
- f28335dsp程序,实现ad采样和RFFT变换-F28335dsp procedures to achieve ad sampling and RFFT transform