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Oai Vu


Last seen: 3 meses ago
3 total contributions since 2020

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Question


How to plot frequency spectrum of QPSK signal?
I'm trying to plot the frequency spectrum of a QPSK signal binary_data = qammod(binary_data,4).*exp(1i*-pi/2); Here, binary_d...

3 meses ago | 0 answers | 0

0

answers

Question


How to use "record" command for some amount of time?
I want to record a signal As I know, I can use the commands: r = audiorecorder(8000,16,1); record(r); By this way, if I want...

4 meses ago | 1 answer | 0

1

answer

Question


the purpose of this code segment
I'm trying to understand the purpose of this code segment binary_data=kron(ones(1,ratio),binary_data)'; binary_data=binary_dat...

5 meses ago | 1 answer | 0

1

answer