Localization is the precondition of many applications of sensor networks, such as target identification surveillance and tracking. Therefore, it is important to make research on it.

节点定位问题是传感器网络进行目标识别、监控、跟踪等众多应用的前提，对其研究具有非常重要的意义。

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Auto-tracking System has two kinds of target lock-on mode such as auto lock and manual lock.

自动跟踪系统有自动锁定工况和人工锁定工况两种目标锁定方式。

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During the same period of tracking target, the IMMPDAF can manage radar too, such as adaptively selecting revisit time, detection threshold and radar waveform.

这样的整个过程，使得在跟踪目标的同时，也参与了雷达的管理，譬如自适应的选择采样时间、探测门限、探测波形。

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