Precision analyses of point-of-burst control based on laser fuze

Li Yuzhao; Liu Yan; Chen Xi; Sha Sha; Guo Juan

doi:10.3788/IRLA201847.1206004

The forward looking laser fuze could detect target range persistently, use range information to control the point-of-burst. The deviation of point-of-burst control is the key indicator that affecting the operational performance of air defense missile. Therefore, it is necessity to analyze the precision of point-of-burst control based on laser fuze. Under the assumption that guidance integrated fuzing(GIF) and uniform motion in the intersection stage, the global observability of point-of-burst was estimated based on sequential ranging. Then the Cramer-Rao lower bound(CRLB) of point-of-burst control precision was obtained when the ranging data met estimation errors of zero-mean additive Gauassian distribution. The system parameters such as miss-distance, initiation angle and spatial sampling rate which all influenced the control precision of point-of-burst were analyzed through numeric calculation. It provided reference for the design of high resolution laser ranging fuze.

Precision analyses of point-of-burst control based on laser fuze

1. Beijing Institute of Remote Sensing Equipment,Beijing 100854,China

Received Date: 2018-07-05

Rev Recd Date: 2018-08-03

Publish Date: 2018-12-25

Key words:

Abstract: The forward looking laser fuze could detect target range persistently, use range information to control the point-of-burst. The deviation of point-of-burst control is the key indicator that affecting the operational performance of air defense missile. Therefore, it is necessity to analyze the precision of point-of-burst control based on laser fuze. Under the assumption that guidance integrated fuzing(GIF) and uniform motion in the intersection stage, the global observability of point-of-burst was estimated based on sequential ranging. Then the Cramer-Rao lower bound(CRLB) of point-of-burst control precision was obtained when the ranging data met estimation errors of zero-mean additive Gauassian distribution. The system parameters such as miss-distance, initiation angle and spatial sampling rate which all influenced the control precision of point-of-burst were analyzed through numeric calculation. It provided reference for the design of high resolution laser ranging fuze.

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Reference (10)

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Precision analyses of point-of-burst control based on laser fuze

doi: 10.3788/IRLA201847.1206004

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