随机信号期末试题
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2012-07-02
17:14:48
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2
A 120 200 7 7 5
20 10 0 70
1
cos Utt
sin Vtt
,
1
2 10
1
1212
1212
,cossin
11
sin2sinsin
22
UV
RttEtt
Etttt
2
12
1
,sin
2
UV
Rtt
UtVt
0 EUtEVt
1
sin
2
UVUV
CR
UtVt
22
UtVt += 1
UtVt
2
{(),},{(),} XttTYttT
(),()
XY
RR
()
XY
R
()(), ()()
XYXYYX
RRRR
(),() XtYt
(),()
XY
SS
()
XY
S
00
()()cos ()()sin() ZtXttYtt
0
10
00
()()cos ()()sin() ZtXttYtt
�
000000
(,)
()cos()()sin()()cos()()sin()
Z
Rtt
EXttYttXttYtt
000000
000000
000000
[()()cos()cos()()()cos()sin()
()()sin()cos()()()sin()sin()]
()cos()cos()()cos()sin()
XXY
EXtXtttXtYttt
YtXtttYtYttt
RttRtt
000000
()sin()cos()()sin()sin()
YXY
RttRtt
(),() XtYt
()()
XYYX
RR
()(), ()()
XYXYYX
RRRR
()()0
XYYX
RR
(),() XtYt
0
()()cos ()
ZX
RR
0
()()cos ()
ZY
RR
()()
ZZ
RS
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