Hw-5 - The University of Akron Engineering Faculty...

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The University of Akron Engineering Faculty Electrical & Computer Department Digital Signal Processing I Dr. Roberto J. Acosta Course # 4400:598 Homework # 1 DSP I Student Name: SRIRAM YARLAGADDA Student Number: 2196944 Due Date : 21 Feb 2009 GRADE :
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Step #1 : Defining the Finite Length Sequence N point Sequence Sampling Frequency -Hz Sampling Rate Analog spectrum Resolution Maximum Positive Frequency Positive samples (Independent samples) are the bin frequencies Sec 1 Hz 1 N 128 dB 1 dBW 1 f s 65 t 1 f s t 0.015 f s N 0.508Hz f s 2 32.5Hz N 2 1 65 Amp READPRN "C:\Documents and Settings\Administrator\Desktop\SatSig.txt" n 0 N 1 i 1 fbin n n f s N fbin n 0 0.508 1.016 1.523 2.031 2.539 3.047 3.555 4.063 4.57 5.078 5.586 6.094 6.602 7.109 7.617 f bin Amp 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -0.301 -1.028 5.228 -1.74 -3.339 0.11 -3.855 -1.586 1.652 -0.512 -0.827 -0.941 2.339 -2.634 -3.489 0.426
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0 20 40 60 80 100 120 6 4 2 0 2 4 6 Satelite Signal No of samples--n Amplitude of signal Amp n n
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STEP 2: Defining the input sequences x1 n Amp n Noise rnorm N 0 1 ( ) x2 n Amp n Noise n N 128 FF 5 Np N FF Np 640 nn 0 Np 1 x1 nn x1 nn nn N 1 if 0 otherwise x2 nn x2 nn nn N 1 if 0 otherwise x1 n -0.301 -1.028 5.228 -1.74 -3.339 0.11 -3.855 -1.586 1.652 -0.512 -0.827 -0.941 2.339 -2.634 -3.489 0.426 x2 n 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -0.74 -1.707 4.755 -2.691 -5.025 0.153 -3.976 -1.03 3.844 0.297 0.158 -0.079 3.255 -1.961 -4.533 0.495
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0 20 40 60 80 100 120 140 8 6 4 2 0 2 4 6 Representation of signals No of samples-n Amplitude x1 n x2 n n
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STEP 3: PERFORMING CROSS CORELATION OF TWO INPUT SEQUENCES CROSS CORELATION FOR NEGATIVE VALUES CROSS CORELATION FOR POSITIVE VALUES
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This note was uploaded on 02/20/2011 for the course EE EE 646 taught by Professor Dr.robertojacousta during the Spring '10 term at The University of Akron.

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Hw-5 - The University of Akron Engineering Faculty...

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