Title :
A collision avoidance radar using six-port phase/frequency discriminator (SPFD)
Author :
Ji Li ; Bosisio, R.G. ; Ke Wu
Author_Institution :
Groupe de Recherches Avancees en Microondes et en Electronique Spatiale, Ecole Polytech., Montreal, Que., Canada
Abstract :
A novel technique is proposed for collision avoidance radar used in automobiles, in which a new six-port microwave/millimeter wave digital phase/frequency discriminator (SPFD) is used to measure Doppler frequency shifts. Both relative speed and moving direction of the target are readily obtained. Ranging is implemented by the measurement of phase difference at two adjacent frequencies. Preliminary experimental simulation proves the validity of the proposed alternative approach.<>
Keywords :
Doppler effect; automotive electronics; discriminators; microwave devices; radar systems; Doppler frequency shifts measurement; SPFD; automobiles; collision avoidance radar; experimental simulation; microwave/millimeter wave discriminator; moving direction; phase difference measurement; ranging; relative speed; six-port phase/frequency discriminator; Automobiles; Collision avoidance; Doppler radar; Frequency measurement; Microwave theory and techniques; Millimeter wave measurements; Millimeter wave radar; Millimeter wave technology; Phase measurement; Radar measurements;
Conference_Titel :
Microwave Symposium Digest, 1994., IEEE MTT-S International
Conference_Location :
San Diego, CA, USA
Print_ISBN :
0-7803-1778-5
DOI :
10.1109/MWSYM.1994.335278
