Based on gradation decreasing dimension discrete variable optimum method, for established the mathematical model calculated.
基于分层降维离散变量优化方法，对建立的数学模型进行了计算。
The maneuvering target tracking(MTT) method includes variable dimension filter, input estimation and IMM, etc.
机动目标跟踪方法主要有变维滤波、输入估计方法和交互式多模方法。
The method is simple and simulation shows that its tracking accuracy is as high as that of variable dimension filters more or less the same and higher than input estimation filter′s.
该算法在简捷性、实时性和计算量方面优于变维法，其计算精度与变维法基本相当，但优于输入估计法。
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