Principle of Communications
Homework 4, Due 1/12
Problem 1
Amplitude modulation and demodulation
Use the wavread and sound to hear the songs:
[yy,Fs,NBits]=wavread('bee5th.wav');
sound(yy,Fs)
Then use Page90AM.mdl to modulate and then Page167P2_5.mdl
to demodulate.and store the result in zz.
Hear the sound and compare the difference from yy.
sound(zz,Fs)
ftp your homework to
in the directory communication\HW4
by the following format:
檔案名稱:hw#_學號.zip
例如:資工同學,作業2
檔案名稱:hw4_a09355xx.zip
注意:檔名不能有中文
The password is given in class.