METHOD FOR ESTIMATING TARGET FUZZY SPEED

The present application relates to a method for estimating a target fuzzy speed, which method is applied to a radar sensor. The method comprises: alternately transmitting a first waveform signal and a second waveform signal respectively at a first center frequency and a second center frequency; proc...

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Bibliographische Detailangaben
Hauptverfasser:	RUAN, Hongning, HUANG, Zhen Roland, BALON, Siegfred
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The present application relates to a method for estimating a target fuzzy speed, which method is applied to a radar sensor. The method comprises: alternately transmitting a first waveform signal and a second waveform signal respectively at a first center frequency and a second center frequency; processing intermediate frequency signals of the first waveform signal and the second waveform signal, so as to respectively generate a first range-Doppler matrix and a second range-Doppler matrix; acquiring the number of phase wraps according to a phase difference between the first range-Doppler matrix and the second range-Doppler matrix, and a beat frequency of the second waveform signal; and estimating a target speed and a target distance by means of the number of phase wraps. The beneficial effects of the method lie in further improving the estimation of an aliased area and a speed by using information from a Doppler frequency shift difference, such that the estimation of a fuzzy speed is more reliable.