Design of Small Laser Tracking System Based on Four-Quadrant Detector

Wei Zhang; He Zhang; Bin Liu; Jing Xu

doi:10.4028/www.scientific.net/AMM.300-301.393

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 300-301Design of Small Laser Tracking System Based on...

Design of Small Laser Tracking System Based on Four-Quadrant Detector

Abstract:

Returned laser detection is bottleneck in remote active laser detection. A practical small laser tracking system with simple structure based on four-quadrant detector (QD) is presented in this paper. For the volume restriction in weapon systems, design a small laser receiving optical system. An orientation calculation circuit based on the Sum and Difference circuit with Divisional normalization algorithm is designed to decrease the burden on processor. A simple MCU circuit based on high-speed chip C8051F020 is generated, accomplishing AD-conversion and further calculation. Through programming of the electric signals from the orientation calculation circuit with C8051F020, a control signal used by the missile guidance is formed. Laser signal receiving experiment is conducted by the circuit board as presented in this paper. It is possible to achieve the ideal requirements, and provide a good foundation for collaborative processing of other sensor signals to jointly get guided control commands.

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Periodical:

Applied Mechanics and Materials (Volumes 300-301)

Pages:

393-399

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.300-301.393

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Online since:

February 2013

Authors:

Wei Zhang, He Zhang, Bin Liu, Jing Xu

Keywords:

Four-Quadrant Detector, Laser Tracking System, Orientation Calculation

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References

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