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To enhance and i mprove the space target detection performance of laser photoelectric detection system in sea level, this paper established the space target characteristics calculation models and signal to noise ratio ( SNR ) model according to the laser detection principle on sea surface and deduced their calculation function and gave appropriate calculation analysis; research ed space target radiation characteristics and derived the total photosensitive surface luminance function in photoelectric detector analyzed the effect factors on SNR in different background luminance. Spectral filtering method was applied to weaken strong luminance influence, and detection distance calculation function was set up based on SNR and the contrast. Through the calculation and experiment analysis, the results showed the calculation models of photoelectric detection performance and SNR were correct and scientific, and the suitable spectral filtering technique could effectively improve SNR..
Laser detection, Space target, Photoelectric detection, SNR Luminance.
YANRAN LI, MINGYONG LIU, Research on laser photoelectric detection performance and SNR model of space target in laser detection system, Optoelectronics and Advanced Materials - Rapid Communications, 10, 5-6, May-June 2016, pp.336-342 (2016).
Submitted at: Feb. 17, 2015
Accepted at: June 9, 2016