Taking no account of the nonuniformity of the detector, this paper analyzed the performance of the traditional fourquadrant angle measurement algorithm and two other algorithms in calculating the pitch angle and the deflection angle of the incident ray, and also compared the error curve of the pitch angle calculated by each algorithm in the full plane. In comparison, it is that by using the curvefitting method, the hardware implementation is simple and the measured angle has a high precision.
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胡贤龙,周世椿.几种四象限探测器测角算法的分析研究[J].激光与红外,2007,37(6):546~547 HU Xian-long, ZHOU Shi-chun. Analysis and Research on Several Anglemeasurement Algorithms Based on Fourquadrant Detector[J]. LASER & INFRARED,2007,37(6):546~547