Spectogram Of I and Q data

조회 수: 15 (최근 30일)
Sudhir Kumar
Sudhir Kumar 2019년 12월 4일
답변: Shimon Elkin 2022년 8월 1일
Recently I have recorded Bluetooth signals raw I and Q data through USRP SDR for 30 seconds I want to plot the spectogram image from its I and Q value. How can I draw the spectogram so that I can do a CNN operation.How to do spectogram image from raw I and Q data of a wireless WiFi signal?

답변 (2개)

Chunru
Chunru 2022년 8월 1일
x = xi + 1i*xq;
spectrogram(x)

Shimon Elkin
Shimon Elkin 2022년 8월 1일
you can see an example:
https://www.mathworks.com/help/signal/ref/spectrogram.html#mw_11150fe0-cc46-4bf9-aecf-1e4acff54b74
openExample('signal/SpectrogramOfComplexSignalExample')

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