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。
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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