The satisfactory laser echo rate under stochastic passage characteristics indices
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摘要: 为了研究激光回波率及激光漏测分布问题,通过对误差方差上界指标、区域极点指标以及随机穿越特征指标等多指标的相容性分析,并利用满意估计思想和双线性矩阵不等式组的求解方法给出了一种满意估计策略的设计算法。所设计的滤波器能保证激光测距机回波率满足给定要求并能使漏测点的分布在时间上尽量均匀,从而保证了跟踪系统尽可能保持航路平稳。结果表明,所设计的满意滤波增益满足多指标要求。Abstract: Based on a CCD-imaging tracking system with a laser range-finder,the laser echo rate and the distribution of laser missing detection is studied.Under the direction of satisfactory theory,a satisfactory predictive gain design method with prescribed performance specifications of estimation error variance,regional polar and stochastic passage characteristics,is proposed by solving bilinear matrix inequalities.The proposed filter can guarantee the echo rate of the laser range-finder being large,and distribution of missing detection period being uniform,so that the flight path detected by the tracking system is to be stationary and continuous to the expected extent.Numerical example indicates a satisfactory performance of the proposed gain.
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