.mat file to bin file

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sumit kumar
sumit kumar 2012-10-8
回答： Walter Roberson 2024-12-20
Hi, I have recorded some WCDMA data using gnuradio and USRP which is in .bin format with 32bit floating point (both I and Q). I used octave to read that bin file and converted to .mat file so that it be imported into MATLAB. I did some signal processing on that data. Now I want that .mat file to be converted back to .bin file. I searched but couldn't succeed. Any pointers ?
Sumit
  1 个评论
Walter Roberson
Walter Roberson 2024-12-17
".bin" as a file extension is not at all standardized. It can be used for any binary file format. We cannot advise on how to create .bin files without documentation on the exact file format.

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回答（2 个）

Walter Roberson
Walter Roberson 2024-12-20
Probably something like
filename = 'OUTPUTFILENAMEGOESHERE.bin';
[fid, msg] = fopen(filename, 'w');
if fid < 0; error('Failed to open "%" because "%s"', filename, msg); end
IQ = single([reshape(I, 1, []), reshape(Q, 1, [])]);
fwrite(fid, IQ, 'float32');
fclose(fid);
Pratik
Pratik 2024-12-17
Hi Sumit,
To convert .mat file to bin file, dec2bin function can be used. Please refer to the following MATLAB Answers post which discusses about the same process:
www.mathworks.com/matlabcentral/answers/498057-how-can-i-convert-the-data-in-attached-mat-file-into-binary-format-with-32-bit-width?s_tid=answers_rc1-1_p1_Topic
  1 个评论
Walter Roberson
Walter Roberson 2024-12-17
dec2bin is absolutely completely unrelated to the task of building .bin files.

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