Patent ID: 8970425
Filing Date: 2015-03-03
Classification: G01S

Abstract:
1. A radar apparatus comprising: a transmitter antenna that transmits a frequency modulated transmit signal having a transmit bandwidth towards a scene potentially comprising two or more targets; a receiver antenna that receives a receive signal reflected from said scene in response to the transmission of said transmit signal; a mixer that mixes said receive signal with said transmit signal to obtain a mixed receive signal; a sampler that samples said mixed receive signal to obtain receive signal samples from a period of said receive signal; and a processor that processes said receive signal samples by defining a measurement matrix assuming the receive signal were received in response to a frequency modulated transmit signal having an assumed bandwidth that is higher than said actual transmit bandwidth, said assumed bandwidth corresponding to a desired range resolution, and that determines the positions of one or more targets of the scene by applying compressive sensing using said measurement matrix and said receive signal samples.