ECEN3513 Signal Analysis Lecture

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ECEN3513 Signal AnalysisLecture 32 6
November 2006

• Read 7.2-4 thru 7.2-5
• Problems 7.2-4 - 7.2-6
• Problems 7.2-7 to 7.2-10
• Quiz 8 Results Hi 7.9, Low 1.0, Ave.
  4.81Standard Deviation 2.00

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Exam 2, 2006, Problem 1
Y(f)
.75rect(f/4)
3d(f)
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Exam 2, Problem 1, 2006
.75rect(f/4)(1-e-j4pf) d(f)
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y(t) n(t) n(t-?) (Quiz 8)
SYY(f) H(f)2SNN(f)
RYY(t)
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SYY(f) H(f)2SNN(f)
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255 point discrete time White Noise
waveform(Adjacent points are independent)
Volts
time
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Autocorrelation Estimate of Discrete Time White
Noise
Rxx
0
tau (samples)
8
255 point Noise Waveform(Low Pass Filtered White
Noise)
23 points
Volts
0
Time
9
Autocorrelation Estimate of Low Pass Filtered
White Noise
Rxx
0
23
tau samples
10
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