Spectogram Of I and Q data

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Sudhir Kumar
Sudhir Kumar 2019 年 12 月 4 日
回答済み: Shimon Elkin 2022 年 8 月 1 日
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?

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回答 (2 件)

Chunru
Chunru 2022 年 8 月 1 日
x = xi + 1i*xq;
spectrogram(x)
Shimon Elkin
Shimon Elkin 2022 年 8 月 1 日
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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