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i have data of 468 by 8 char type, I need to modulate it using qpsk modulator.
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srb =
468×8 char array
'11111110'
'00000000'
'00000000'
'00000001'
'00000000'
'00000000'
'00000000'
'00000001'
'00000000'
'00000000'
'00000001'
'00000000'
'00000000'
... 400+ rows here
'00000000'
'00000000'
'00000001'
'00000000'
'00000000'
'11111111'
'11111111'
'00000000'
qpskMod = comm.QPSKModulator('BitInput',true);
qpskTx = qpskMod(srb);
and got the following error
"Changing the data type on input 1 is not allowed without first calling the release() method."
kindly guide me
2 Commenti
Stephen23
il 7 Nov 2018
@Sajid Sarwar: today I formatted your code for you. In future you can do it yourself: select the code text, click the {} Code button, ensure an empty trailing line.
Also note that posting nearly 500 lines of a numeric vector is likely to discourage people from reading your question.
Guillaume
il 7 Nov 2018
Modificato: Guillaume
il 7 Nov 2018
Is this a follow up to your previous question whose current answer is almost certainly not what you're after?
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