Patent ID: 11949763
Assignee: nan
Field: Measurement (Instruments)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A method of data compression in a radar system comprising:
transmitting a radar signal comprising a plurality of chirps over one or more transmitting antennas, wherein the radar signal is a radio frequency (RF) signal;
receiving a reflected signal on a plurality of receiving antennas, the reflected signal is reflection of the radar signal by one or more objects;
generating a plurality of intermediate frequency (IF) signals in a corresponding plurality of mixers, each mixer in the plurality of mixers receiving a reference signal and a corresponding one of signal from the plurality of receiving antennas;
generating a plurality of ranges from the plurality of IF signals, wherein every range in the plurality of ranges is in a first data form with first bit width and number of ranges T in the plurality of ranges being equal to P X N X M, in that, P representing the number ranges for every chirp, N representing number of chirps in the plurality of chirps and M representing number of receiving antennas in the plurality of receiving antennas;
converting every range in the plurality of ranges from the first data form into polar form to generate a corresponding plurality of polar ranges in polar form;
converting every polar range in the plurality of polar ranges to logarithmic value to generate a plurality of logarithmic ranges;
quantizing every logarithmic range in the plurality of logarithmic ranges with a second bit width that is fewer than the first bit width to form a plurality of compressed ranges,
wherein number of the plurality of polar ranges, number of the plurality of logarithmic ranges and number of plurality of compressed ranges are equal to the number ranges T in the plurality of ranges.