Mr. Renke Kou Profile

Renke Kou

at Air force Engineering University

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Proceedings Article | 25 October 2016 Paper

Influence of operating temperature on operating range of InSb detection system

Xueming Wu, Haiyan Wang, Renke Kou

Proceedings Volume 10157, 101571B (2016) https://doi.org/10.1117/12.2246337

KEYWORDS: Temperature metrology

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Under the influence of operating temperature on detection range of InSb (PV) detection system, the paper gets the relation between operating temperature and D* by combination of carrier transport in detector and Johnson noise, and the detection range model of system in temperature variation is get by elevating the relation to system-level. On the basis of this model, the relation curves between detection range and temperature are simulated in a certain detecting condition, and the influence of operating temperature on detection range is analyzed. To validate the veracity of this model, the detection range experiment in different temperature condition is designed and built, and the conclusion which the model is truthfulness is drawn by data comparison and analysis of error. This conclusion is meaningful in improving system operating environment and method of application.

Proceedings Article | 19 October 2016 Paper

Distance measurement to high remote targets based on the airborne chaotic laser

Renke Kou, Haiyan Wang, Xueming Wu

Proceedings Volume 10153, 1015305 (2016) https://doi.org/10.1117/12.2243861

KEYWORDS: Laser interferometry, Airborne laser technology, Distance measurement, Interferometry

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According to the characteristics of chaotic laser, which has ability of novel anti-jamming, high bandwidth and detecting distance of the movement target to the millimeter precision, a modeling method of using airborne chaotic laser system to detect distance of high remote targets is proposed for the first time. The characteristics of chaotic laser and principle of interferometry distance were analyzed and the model of airborne chaotic laser ranging is established. Meanwhile, the influence of detection accuracy, which inducted by the main peak width of chaotic laser and the jamming signal is analyzed. According to the results of simulation analysis, we can get conclusions that the main factors of affecting the distance measurement are transmitted power, receiving sensitivity, and various losses of transmission medium. Autocorrelation characteristic of chaotic signal can also affect the dynamic range of the whole system. The main peak width of chaotic laser is the main factor of influencing the accuracy of measurement. However, the jamming signal affect distance measuring range and accuracy of measurement little. Finally, the model’s effectiveness is proved by comparing the experience data and simulation data.

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