1. The use of Matlab have 1000Hz frequency of 6000Hz, and the sinusoidal signal, use FDATOOL design FIR filter (fs = 16000Hz) 6000Hz to filter components, and use SPTOOL right signal filtering tools for simulation and verification. 2. MIC from the port (J5) input frequency of 1000Hz and 6000Hz sinusoidal signal superimposed signal Real-time preparation of FIR filtering process to select an appropriate filter parameters, filter 6000Hz frequency components, SPEAKER oscilloscope using the port (J6) to observe the output waveform. Spectrum Signal Analysis of the structure and design meet the requirements of the digital filter.

信号滤波
........\f2000_31o.h
........\f4000_15o.h
........\FIR
........\...\5402.cmd
........\...\C5402vec.asm
........\...\C5402vec.obj
........\...\cc_build.log
........\...\cc_build_Custom.log
........\...\Custom.lkf
........\...\Custom.lkv
........\...\Dmac2isr.asm
........\...\dmac2isr.C
........\...\dmac2isr.obj
........\...\DSK_ovly1_simplified.mem
........\...\firlab.arg
........\...\FIRlab.c
........\...\firlab.mak
........\...\FIRlab.map
........\...\FIRlab.obj
........\...\FIRlab.out
........\...\firlab.paf
........\...\firlab.pjt
........\...\firlab.rcp
........\...\firlab.rcq
........\...\firlab.str
........\...\include
........\...\.......\board.h
........\...\.......\board1.h
........\...\.......\Bport.h
........\...\.......\codec.h
........\...\.......\common.h
........\...\.......\daa.h
........\...\.......\Dma54xx.h
........\...\.......\EMIF.H
........\...\.......\firlab.h
........\...\.......\Hpi.h
........\...\.......\INTR.H
........\...\.......\MCBSP54.H
........\...\.......\MISC.H
........\...\.......\Regs.h
........\...\.......\Regs54xx.h
........\...\.......\SPORT.H
........\...\.......\stdio.h
........\...\.......\stdlib.h
........\...\.......\string.h
........\...\.......\TDMPORT.H
........\...\.......\Timer.h
........\...\.......\type.h
........\...\.......\uart.h
........\...\lib
........\...\...\54xdsp.lib
........\...\...\drv5402.lib
........\...\...\dsk5402.lib
........\...\...\rts.lib
........\source.m
........\用于Matlab的数据
........\................\y1_b.TXT
........\................\y2_b.TXT
........\................\滤波器可以是fc为200HZ的低通.txt

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