Target Azimuth Estimation Method Based On Beacon Guidance
Based on the needs of accurately measuring the orientation of the target and quickly implementing rescue,the combined technology of radio beacon,electronic magnetic compass and satellite navigation is adopted,an outdoor search and rescue guidance system is designed,which integrates the functions of the omni-directional transmitting of beacon signal at transmitter,directional re-ception of beacon signal at receiver,digital acoustic spectrum processing,jamming outliers elimination,precise azimuth measurement of beacon,and rough estimation of beacon distance.A target position estimation method based on beacon guidance is studied and ana-lyzed.The method receives the acoustic pulse signal transmitted by the beacon at the cooperative target and performs the FFT trans-form,by analyzing the characteristic parameters of the spectrum,the azimuth of the target can be measured accurately and the dis-tance of the target can be estimated roughly,the test results show that in outdoor environments such as suburbs and cities,the meth-od meets the needs of rapid detection,search and rescue,and remote surveillance for cooperative targets.
radio beaconspectrum transformacoustic spectrum analysiscooperative targetazimuth estimation
万方数据
维普
