Building and application of multipath model for meter-wave radar in elevation estimation
ChenDi, SHEN Yi-ying
School of Electronics and Information Technology,Harbin Institute of Technology,Harbin 150001,China
Abstract:
A research is done for multipath effects of low-angle tracking in meter-wave radar,and the theory of multi-scattering centers of complex target is discussed as well as the character of reflected echoes.This points out that the distribution and scattering properties of scattering centers are the prime reasons which cause the variation of multipath effects,and all the changes of position,motion and attitude of the target can influence the multipath effects.By building of multipath model for multi-scattering centers for target,the analysis above is verified and a new method of elevation estimation for low-angle target is presented.The new method uses canceling vectors obtained by searching to cancel reflected waves in echoes and reduce the influence of reflected components,which can improve the accuracy of elevation estimation of low-angle target and the performance of low-angle tracking in meter-wave radar.Experimental results verify the availability of the method.
Key words: multi-scattering centers multipath model target elevation estimation
DOI：10.11916/j.issn.1005-9113.2010.06.001
Clc Number:TN957.51
Fund:
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Building and application of multipath model for meter-wave radar in elevation estimation
本站小编 哈尔滨工业大学/2019-10-23
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