Re: [Discuss-gnuradio] Using filesink to store noise samples

[Ammar Mahmood]

Dear Marcus,

Thanks for the explanation. I was making .dat file correctly from file sink but was reading it incorrectly in Matlab. I was using fread command to read the file but it turned out specific matlab scripts (read_complex_binary.m to be exact) are to be used when parsing grc saved complex data to matlab. Sorted out the problem in the end and plotted a nice gaussian distribution.

Regards,

Ammar

On Apr 19, 2017 12:41 PM, "Marcus Müller" <address@hidden> wrote:

The file sink doesn't produce mat files:

https://wiki.gnuradio.org/index.php/FAQ#What_is_the_file_format_of_a_file_sink.3F_How_can_I_read_files_produced_by_a_file_sink.3F

On 19.04.2017 08:46, Ammar Mahmood wrote:

Dear all,

I am trying to save noise samples using file sink to verify that noise follows Gaussian distribution. I mat file is made by the file sink block. When I read this mat file in mat lab, it only shows the positive samples and does not have negative samples whereas it should have negative samples in order for the noise to be Gaussian. Can anybody help me out in this process?

Regards,

Ammar

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