多卜勒波束锐化运动补偿方法的研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (11): 1348-1356.

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THE STUOY OF MOTION COMPENSATION FOR DOPPLER BEAM SHARPING

ZhangQingwen, Zhang Jianyun

Institute of Elec. Eng.Xidian University, Xi’an,710071

Received:1993-05-24 Revised:1994-01-18 Online:1994-11-25 Published:1994-11-25

Abstract

Abstract: Any platform motion error,which is defined as the error between the actual flight path and the nominal one,can degrade the perfonnanee of Doppler Beam Sharping(DBS),even mak-ing DBS fail to work.The method of motion compensation for DBS is deeply analysed and stu-died,and a general motion compensation scheme is deseribed.A novel method of phase compen-sation in DBS is proposed,which compensates the echo phases by adjusting Pulse Repetition Frequency(PRF)according to the velocity projected on the light of sight(LOS).Besides,the tol-erance of the method is also analysed.At last,the results of simulation are given.

Key words: pulse Doppler radar, beam, motion-compensation

CLC Number:

ZhangQingwen;Zhang Jianyun. THE STUOY OF MOTION COMPENSATION FOR DOPPLER BEAM SHARPING[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(11): 1348-1356.

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THE STUOY OF MOTION COMPENSATION FOR DOPPLER BEAM SHARPING

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