The numerical modeling of heterodyne efficiency of nonlinear-scanning coherent image system

Chunhui Wang; Qi Wang; M. L. Belov; Yu. V. Fedotov

doi:10.1117/12.606323

15 December 2004 The numerical modeling of heterodyne efficiency of nonlinear-scanning coherent image system

Chunhui Wang, Qi Wang, M. L. Belov, Yu. V. Fedotov

Proceedings Volume 5743, Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; (2004) https://doi.org/10.1117/12.606323
Event: Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2004, Tomsk, Russian Federation

Abstract

A numerical modeling of heterodyne efficiency of coherent laser imaging system at nonlinear scanning has been developed on the basis of Monte-Carlo method. A hysteresis effect of receiving field of view (FOV) has been analyzed at high-speed nonlinear scanning. The numerical mathematical modeling for coherent nonlinear scanning laser imaging system has been conducted at the nonlinear harmonic scanning with 160Hz frequency; 64x32 pixels image size and 10 frames per second. The numerical modeling showed that imaging pixels with 20% threshold of heterodyne efficiency were about 17 at the 20dB SNR, 10 frames per second and 2400m detecting distance.

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Chunhui Wang, Qi Wang, M. L. Belov, and Yu. V. Fedotov "The numerical modeling of heterodyne efficiency of nonlinear-scanning coherent image system", Proc. SPIE 5743, Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, (15 December 2004); https://doi.org/10.1117/12.606323

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KEYWORDS

Heterodyning

Imaging systems

Numerical modeling

Sensors

Laser imaging

Laser systems engineering

Complex systems

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