Computer Assignment #8

Solve Problems 13.19, 13.20, 13.21, 13.22 using filter.mcd or MATLAB files. Turn in one page for each problem (total four pages).

Computer Assignment #9

Design a digital FIR bandpass filter using frequency sampling method with the following specifications:

Length = N = 31 (type 1 filter)

lower passband cutoff frequency = 2000 Hz

upper passband cutoff frequency = 3000 Hz

sampling frequency = 10000 Hz

Use fsd.mcd. Turn in maximum 3 pages only.

Repeat this design with N = 30 (type 2).

Computer Assignment #10

Design the following digital FIR filters using Blackman window with N = 31.

1. Lowpass filter with cutoff frequency = 1000 Hz, sampling rate = 10000 Hz.

2. Highpass filter with cutoff frequency = 2000 Hz, sampling rate = 10000 Hz.

3. Bandpass filter with low cutoff frequency = 2000 Hz, high cutoff frequency = 3000 Hz, sampling rate = 10000 Hz.

4. Bandstop filter with low cutoff frequency = 2000 Hz, high cutoff frequency = 3000 Hz, sampling rate = 10000 Hz.

Use firwin.mcd. Turn in maximum 5 pages only.

Computer Assignment #11

Design the following digital FIR filters using Kaiser window with N = 31.

1. Lowpass filter with max = 3 dB, min = 55 dB, passband cutoff frequency = 1000 Hz, stopband cutoff frequency = 2000 Hz, sampling rate = 10000 Hz.

2. Highpass filter with max = 3 dB, min = 55 dB, passband cutoff frequency = 2000 Hz, stopband cutoff frequency = 1000 Hz, sampling rate = 10000 Hz.

3. Bandpass filter with max = 3 dB, min = 25 dB, lower passband cutoff frequency = 2000 Hz, upper passband cutoff frequency = 3000 Hz, lower stopband cutoff frequency = 1500 Hz, upper stopband cutoff frequency = 4000 Hz, sampling rate = 10000 Hz.

4. Bandstop filter with max = 3 dB, min = 25 dB, lower passband cutoff frequency = 1500 Hz, upper passband cutoff frequency = 4000 Hz, lower stopband cutoff frequency = 2000 Hz, upper stopband cutoff frequency = 3000 Hz, sampling rate = 10000 Hz.

Use firwin.mcd or MATLAB files. Turn in maximum 5 pages only.