DSP programming code, the FFT algorithm, classic! ! FFT an experimental and theoretical : formula (1) FFT formula FFT is not a new transformation, it is the discrete Fourier transform (DFT), a fast algorithm. As in the calculation of DFT at the complex multiplication required a four real multiplication and secondary real Adder; Adder required a complex real Adder II. Each Operational an X (k) needs time 4N complex multiplication and 2N 2 (N-1) = 2 (2N-1) Real Adder. Therefore, the whole operation would need a total DFT 4N ^ 2 times the actual amount of multiplication and N* 2 (2N-1) = 2N (2N-1 ) times the actual amount of additive. So, when calculating the number of multiplication and addition are the number and proportion of N ^ 2, when the big N, Operational capacity is substantial and

Packet : 37724110ti 54x fft.rar filelist
TI 54x fft\1.DAT
TI 54x fft\codec\BIT_REV.ASM
TI 54x fft\codec\Bit_rev.obj
TI 54x fft\codec\cc_build.log
TI 54x fft\codec\codec.c
TI 54x fft\codec\codec.cmd
TI 54x fft\codec\codec.mak
TI 54x fft\codec\codec.map
TI 54x fft\codec\codec.obj
TI 54x fft\codec\codec.out
TI 54x fft\codec\drv5402.lib
TI 54x fft\codec\dsk5402.lib
TI 54x fft\codec\FFT.ASM
TI 54x fft\codec\Fft.obj
TI 54x fft\codec\FFT_SIZE.INC
TI 54x fft\codec\INITRFFT.ASM
TI 54x fft\codec\Initrfft.obj
TI 54x fft\codec\POWER.ASM
TI 54x fft\codec\Power.obj
TI 54x fft\codec\RFFT.ASM
TI 54x fft\codec\RFFT.CMD
TI 54x fft\codec\Rfft.obj
TI 54x fft\codec\RIFFT.ASM
TI 54x fft\codec\rts.lib
TI 54x fft\codec\TWIDDLE1
TI 54x fft\codec\TWIDDLE2
TI 54x fft\codec\UNPACK.ASM
TI 54x fft\codec\Unpack.obj
TI 54x fft\codec\VECTORS.ASM
TI 54x fft\codec\Vectors.obj
TI 54x fft\codec
TI 54x fft\FFT实验.doc
TI 54x fft\SINEGEN.EXE
TI 54x fft\test\1.DAT
TI 54x fft\test\2.DAT
TI 54x fft\test\5402b.cmd
TI 54x fft\test\BIT_REV.ASM
TI 54x fft\test\Bit_rev.obj
TI 54x fft\test\cc_build.log
TI 54x fft\test\coff.mak
TI 54x fft\test\coff.out
TI 54x fft\test\FFT.ASM
TI 54x fft\test\Fft.obj
TI 54x fft\test\FFT_SIZE.INC
TI 54x fft\test\INITRFFT.ASM
TI 54x fft\test\Initrfft.obj
TI 54x fft\test\POWER.ASM
TI 54x fft\test\Power.obj
TI 54x fft\test\RFFT.ASM
TI 54x fft\test\RFFT.CMD
TI 54x fft\test\Rfft.obj
TI 54x fft\test\RIFFT.ASM
TI 54x fft\test\test.obj
TI 54x fft\test\TWIDDLE1
TI 54x fft\test\TWIDDLE2
TI 54x fft\test\UNPACK.ASM
TI 54x fft\test\Unpack.obj
TI 54x fft\test\VECTORS.ASM
TI 54x fft\test\Vectors.obj
TI 54x fft\test
TI 54x fft\WAVEADD.EXE
TI 54x fft

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