半主动式激光导引头跟踪角误差的分析与测试

根据半主动式激光导引头的目标探测原理,提出了四象限光电探测器的目标位置解算偏差模型,以及由探测器信号测量一致性引起的测量误差模型,据此进行了数值分析计算和试验验证.数值分析与试验结果表明,目标位于跟踪区外侧时,电路的目标位置解算偏差起决定作用,目标位于跟踪区中心时,探测器测量一致性误差起决定作用.利用本文的分析方法,可在激光导引头跟踪性能试验中,对其跟踪性能指标进行深入的分析与评价.

Analysis and Test of Tracking Angle Error for Semi-active Laser Seeker

Based on target detecting principle of semi-active laser seeker, a new test method is put forward which use windage account model for four quadrant detector of target station and detector signal test error model with the coincidence. It are calculated and well demonstrated for test. Test result indicates that the circuit of windage account for target station is primary when target is located out of tracking region, and the coincidence of windage account for target station is primary when target is located in center of tracking region. Capability of tracking and the value about test of laser seeker in future is analyzed.