Fast Fourier Transform (FFT) spectrum analyzer modern, frequency components of the signal by the Fourier decomposition component operation will be established to achieve the same results with traditional spectrum analyzers. This new method of digital spectrum analyzer directly the analog/digital converter (ADC) sampling the input signal, and then obtained after FFT processing spectrum distribution.

peixun
......\liujian_Data
......\............\DebugInChipFlash
......\............\................\liujian.axf
......\............\................\liujian.i32
......\............\................\ObjectCode
......\............\................\..........\fft.o
......\............\................\..........\hongwai.o
......\............\................\..........\I2C.o
......\............\................\..........\IRQ.o
......\............\................\..........\LCD.o
......\............\................\..........\main.o
......\............\................\..........\Startup.o
......\............\................\..........\target.o
......\............\DebugInExram
......\............\RelInChip
......\............\.........\liu.hex
......\............\.........\liujian.axf
......\............\.........\liujian.o
......\............\.........\ObjectCode
......\............\RelOutChip
......\peixun.hex
......\src
......\...\config.h
......\...\cpld.c
......\...\fft.c
......\...\header.h
......\...\hongwai.c
......\...\I2C.c
......\...\IRQ.s
......\...\LCD.c
......\...\LPC2294.h
......\...\main.c
......\...\mem_a.scf
......\...\mem_b.scf
......\...\mem_c.scf
......\...\Startup.s
......\...\target.c
......\...\target.h
......\...\test.hex

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