esp-csi
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The gap between the first 26 subcarriers and the last 26 subcarriers (AEGHB-585)
Use router (send) and esp32-s3 (receive).
The amplitude is calculated from the collected data, and then the heat map is drawn.
There is a very clear gap between the first 26 subcarriers and the last 26 subcarriers, which is like the data collected using two different devices. May I ask what the reason is?
You can try to check the bandwidth of the received packet to see if it is 40MHz.