,
1.
2.
3.
4,
5,
6,
DSP(Digital Signal Processing)
DSP
1
2
x(t)=x(t+kT);
3.
4.
5.
A/D D/A
6.
,
1,
2,
3,
~ ~
~
4,
FFT,WFT,,
5,
(1) IIR
(2) FIR
6,
7,
8,
(1) ;
(2) ;
(3) DSP
,
1,
A/D
D/Ay(n) y(t)
)(txa
)(tya
)(nx
2,
A/D
-3
0 1 2 3 4
3
5 4
7
4
nT 2T
)(txa
)(nx
t -1
y(n)
0 1 2 3 4 n
)()( nynx?
D/A
0
y(t) )(tya
,
1.
10-3
2,
3,
0 1
4,
5,
...,..
6,
10Hz;
10-3Hz.
7,
8,
MHz
,
1,
2.
3.
,
1,A.V.Oppenheim,Digital Signal Processing”,
1975,
2,W.D.Stanley,“Digital Signal Processing”,
1975,1979.
3.,
1982
4.,,
,,1985.
5.
1985.
6,--
1997.
7,1996.
8.
1994.
9.
2 1993.
10.
1997.
11.
1999.
12.
1999.
13.
2 2001.
14.A.V,R.W.
2000.
15,S.J.Orfanidis,Introduction to signal processing,
Copyright 1996 by Prentice Hell Comp.
16,S.K.Mitra,Digital signal processing –a computer-
based approach,second edition,Copyright 2001 by
McGraw-Hill Comp.