Patent ID: 9134407
Filing Date: 2015-09-15
Classification: G01S

Abstract:
1. A motion parameter estimating method adapted for a car safety system, the car safety system comprising at least one antenna being arranged as an array, a transmitting antenna and a processor, the method comprising: transmitting, by the transmitting antenna, a first frequency modulation continuous wave signal; receiving, by each of the at least one antenna being arranged as the array, a second frequency modulation continuous wave signal resulted by a target reflecting the first frequency modulation continuous wave signal; obtaining, by the processor, a first formula and a second formula according to the second frequency modulation continuous wave signal received by each of the at least one antenna; and estimating, by the processor, multiple motion parameters associated with the target according to the first formula and the second formula, wherein the first formula is and the second formula is where, B is a frequency bandwidth of the first frequency modulation continuous wave signal, R is a relative distance between the car safety system and the target, f