Hi,
I have been doing breathing detection problems recently, but it is possible that the parameters I set myself are not correct, and the results I get are not very good. Below is my parameter settings and result graphs.
Original phase map
Phase diagram of the breath with a bandpass filter
It can be seen that in the parameters I set, the number of chirps in one frame is too large, and the time in one frame is too short, which leads to 128 points have been taken when the person has not started breathing. It may be the key to the problem. I want to know if I have a long enough frame and the number of chirps in a frame is small enough, can the human breath be detected when the duty cycle is low?
Thanks
Sleepybear
