Aiming at the problem of measurement conversion within the target tracking, a new algorithm combined best linear unbiased estimation with interacting multiple model methods is derived.

针对机动目标跟踪中常见的量测转换问题，提出了一种基于球坐标系下最优线性无偏估计滤波的交互多模型算法。

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On this basis, combined with one sort of background updating model, vehicle tracking algorithm is presented through using two-dimension motion estimation technique in dynamic image processing.

在此基础上，使用动态图像处理技术中的二维运动估计技术，结合背景更新模型提出了一种车辆跟踪算法。

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In the meantime the correlation algorithm is combined with periodic spectral estimation, and a further improvement of the signal detection ability using this method is proved.

同时提出相关法与周期谱估计相结合的方法，并证明该方法可进一步改善信号的检测能力。

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