目的系统讨论三维不完备表的独立性估计和检验方法。
Objective To discuss methods on estimation and test of independent incomplete three-dimensional contingency table.
数据关联和目标状态估计两部分既有一定的独立性又有密切的联系，而将两部分合理地结合对提高跟踪系统的性能是重要的。
The data correlation and state estimation are both certainly independent and closely relative, but the performance of tracking systems can be improved by suitable incorporating the two components.
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