By using the extract_raw_data.c of ComLib_C_Interface provided by Infineon, frame_info->sample_data[i] of received_frame_data() can be printed.

1. How to extract I and Q data from sample_data[]? Are sample_data[0-254] and sample_data[255-499] belonged to I and Q data respectively?
2. FFT of Python is used, how to calculate the range from I & Q data?
3. How to calculate the velocify?