File list (Check if you may need any files):
shizixinhaochuli
................\EX1
................\...\dsp-exp1.pdf
................\...\EX1.m
................\...\EX2a.m
................\...\EX2b.m
................\...\EX2c1.m
................\...\EX2c2.m
................\...\EX2c3.m
................\...\EX3.m
................\...\fudu.m
................\...\nfft.m
................\EX2
................\...\antitri.m
................\...\decrease.m
................\...\dsp-exp2.pdf
................\...\EX1a.m
................\...\EX1b.m
................\...\EX2a.m
................\...\EX3a.m
................\...\guass.m
................\...\mag.m
................\...\tri.m
................\EX3
................\...\dsp-exp3.pdf
................\...\EX3
................\...\...\dsp-exp3.pdf
................\...\...\EX1.m
................\...\...\EX2.m
................\...\...\EX2a.m
................\...\...\EX3.m
................\...\...\EX3a.m
................\EX4
................\...\dsp-exp4.pdf
................\...\EX1.m
................\...\EX2a.m
................\...\EX2b.m
................\...\EX3.m
................\...\FFT.m
................\...\myblackman.m
................\...\myboxcar.m
................\...\myhamming.m
................\...\myhanning.m
................\...\myifft.m
................\exam
................\....\Exam_FIR.asv
................\....\Exam_FIR.m
................\....\Exam_IIR.m
................\....\main.m
................\....\x_ecg.dat