Registration is a prerequisite process for the data fusion in radar networking system to estimate and correct systematic errors accurately.

传统的雷达组网作战效能评估一般采用定性评估方法，而对于精确的定量评估，目前尚缺有效的方法。

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Systematic error estimation is an important process for data fusion and target tracking in radar networking system, and observability is the key factor which determines the estimation accuracy.

系统误差估计是雷达组网融合跟踪系统的重要环节，而可观测度又是决定误差估计效果的关键因素。

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