1.      Write a MATLAB program to generate and plot the signal

                                    x1(n) = [3 2 -2 0 7],  n = 0,1,2,3,4.

2.      Write a MATLAB program to generate and plot the signal

                                    x2(n): a ramp of length 64 with min value 0 and max value 1.

3.      Write a MATLAB program to generate and plot the signal

            x3(n):  a triangular  waveform  of length 64, period 16, minimum value 0, and maximum value 1.

4.      Write a MATLAB program to generate and save the following signal in file x4.wav. Plot a section of the generated signal.

x4(n) = 0.2sin(2?fnT), n = 0, 1,...1023

where, f = 1000Hz, and T = 1/8192 sec.

5.      Write a MATLAB program to generate and plot the signal

x5(n) = 0.2sin(2?fnT) + 0.1w(n),  n = 0, 1,...127

where w(n) is Gaussian noise with zero mean and unit variance,

f = 1000Hz, and T = 1/8192 sec.

6.      Write a MATLAB program to generate and plot the signal

x6(n) = [1+.7xm(n)]xc(n), n = 0,1,2....127

where,   xm(n) = sin(.0628n), and xc(n) = sin(.628n)

7.      Write a MATLAB program to generate and plot the signal

x7(n) = xm(n)xc(n), n = 0,1,....127

            where,   xm(n) = sin(.0628n), and xc(n) = sin(.628n)

Posted Date: 3/30/2013 2:37:26 AM | Location : United States

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