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南理工818信号、系统与数字电路20年真题

2024-06-19 来源:易榕旅网
 2020818

1

150 S1S1S2

x1tdtS2x2tdtS3x1tx2tS32

xnyn12n

n12n1hn

unft

3

ftFjFj

1

HsYsXs

2

xtLC23

costun

yt

L2H,R1Hs

34

yt

xtcos2tu3u3Ts

23

jsgnTtn

tnTs

H1jH2jxt

tx1tH1j x2tcos4tytH2jTsin4t

1233

Xjx1tx2ty2tX1jX2jY2j

12n1n11axn2b012nn1xn, yn081n11

12n nn0123

1yn52na,b

n,2n

1

FF

ABACBDABCD

ACDBCDBC2 3

PROM

122

JK

F1m1,3,6F2m1,3,6

F3ABCF1,F2,F3Q1Q0Q1Q00/0X/ZX/Z

000/01/00/0011/0101/1

A1A0

S1B1B0

4

C1

1

C0

74153

S0

74160

7483

X1S3S2S1S0S3S2S1S0X

0 X1 X0 S1 0 1 1 0 1 0 0 1 1 0 Q3 0 0 0 0 0 0 0 0 1 1 Q2 0 0 0 0 1 1 1 1 0 0 Q1 0 0 1 1 0 0 1 1 0 0 Q0 0 1 0 1 0 1 0 1 0 1 S3 0 0 0 0 1 1 1 1 1 1 XS2 0 1 1 1 0 0 0 1 1 1 S1 1 0 0 1 0 1 1 0 0 1 S0 1 0 1 0 1 0 1 0 1 0 S3 0 0 0 1 1 0 0 0 0 0 S2 1 1 1 0 1 0 0 0 0 1 S0 1 0 1 0 1 0 1 0 1 0

79194

0011 0101 11

74194

Q3Q2A1A0Q3Q2

0

A0A1

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