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Code for Digital Communication in MATLAB

Module by: Fabio Ussher. E-mail the author

Attached are the functions which were written to simulate 16 QAM, construct the filters and transmit the image. All cases require the decimal to binary converters and binary to decimal converters and noise (these function are called in the other examples given below):d2b, b2d, channela. For the Raised Cosine Filter use:constructnew, demodcn, imagegray, imagebw. For the Butterworth filter use:constructnewb, demodcn, imagegrayb, For no filter use: constructnewn, demodcn, imagegrayn.

d2b

b2d

modulator with noise rcf

modulator with noise bwf

modulator with noise nf

demodulator

image simulator rcf

image simulator bwf

image simulator nf

image simulator rcf bw

channel noise

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