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Marcin Kolacz


Last seen: nästan 3 år ago |  Active since 2019

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Question


qammod() and fft() function resizing problem
Hi guys, I encountered a problem while using qammod(x,32) function (and higher, like 64 or 256). In fact, the received signal th...

nästan 3 år ago | 1 answer | 0

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answer

Question


Find indices of specific values
Hi, im trying to find the indices of values from this picture. Was trying to make a find statement like: >> a=find(imag(X)<0.2...

ungefär 3 år ago | 0 answers | 0

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Question


How do I further compute hermitian symmetry IFFT
Hi, I want to ask what's the difference between computing IFFT from a hermitian-symmetrical complex matrix, when 1st matrix (l...

mer än 3 år ago | 1 answer | 0

1

answer

Question


AWGN function snr parameter
Hi, could someone explain to me please, why increasing the value of 'snr' parameter of awgn() function results in the outcoming...

nästan 4 år ago | 1 answer | 0

1

answer

Question


OFDM PSD spectrum plot
Hi, could any of you guys out there, explain to me, what's the reason OFDM PSD plot has this strange pit on DC frequency? ...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


How to save the leading zeroes to values
Hello, I really struggle to find an answer.. I have a loop that takes every 4 bits (0/1 values), groups them into one value and ...

nästan 5 år ago | 1 answer | 0

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answer