generating noisy data to play with in DSP

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fima v
fima v on 17 Mar 2021
Hello,is there a way in matlab to create a signal put a high frequency noise on it and take samples from it to play with DSP FIR filter later.
Like the example samples showsn bellow.
Is there a tool in matlab that can generate such a thing?
Thanks.
// Test data of a 10kHz cosine wave
float32_t testData[128] =
{
0,9.6592579,5,-7.0710678,-8.6602535,2.5881906,10,2.5881906,-8.6602535,
-7.0710678,5,9.6592579,6.1232342e-15,-9.6592579,-5,7.0710678,8.6602535,
-2.5881906,-10,-2.5881906,8.6602535,7.0710678,-5,-9.6592579,-1.2246468e-14,
9.6592579,5,-7.0710678,-8.6602535,2.5881906,10,2.5881906,-8.6602535,
-7.0710678,5,9.6592579,-1.7157435e-14,-9.6592579,-5,7.0710678,8.6602535,
-2.5881906,-10,-2.5881906,8.6602535,7.0710678,-5,-9.6592579,-2.4492937e-14,
9.6592579,5,-7.0710678,-8.6602535,2.5881906,10,2.5881906,-8.6602535,
-7.0710678,5,9.6592579,-4.9109666e-15,-9.6592579,-5,7.0710678,8.6602535,
-2.5881906,-10,-2.5881906,8.6602535,7.0710678,-5,-9.6592579,3.4314870e-14,
9.6592579,5,-7.0710678,-8.6602535,2.5881906,10,2.5881906,-8.6602535,
-7.0710678,5,9.6592579,-6.3718772e-14,-9.6592579,-5,7.0710678,8.6602535,
-2.5881906,-10,-2.5881906,8.6602535,7.0710678,-5,-9.6592579,-4.8985874e-14,
9.6592579,5,-7.0710678,-8.6602535,2.5881906,10,2.5881906,-8.6602535,
-7.0710678,5,9.6592579,-2.6463513e-13,-9.6592579,-5,7.0710678,8.6602535,
-2.5881906,-10,-2.5881906,8.6602535,7.0710678,-5,-9.6592579,9.8219332e-15,
9.6592579,5,-7.0710678,-8.6602535,2.5881906,10,2.5881906
};

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