正确提取目标强散射中心，并对强散射中心的能量进行有效的积累，是高分辨率雷达距离扩展目标检测的关键。

Extracting main scatter center of the target correctly and accumulating the energy of the main scatter center are the key to the high resolution radar range extension target detection.

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低信噪（杂）比条件下运动点目标的检测、跟踪和识别技术是扩展制导武器系统作用距离，加强系统防御能力的关键技术之一。

Low observable small target detection, recognition and tracking algorithms are key technologies to extend the acceptance distance of guidance system and enhance the capacity of defense system.

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针对多基地雷达系统跟踪近距离高加速机动目标的场合，提出了一种并行扩展卡尔曼滤波算法。

To investigate the problem of tracking a high accelerating maneuvering target with netted radar system, the parallel extended Kalman filtering algorithm is derived.

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