This method possesses the desirable properties of high accuracy, inherent numerical stability (no wiggles), non numerical damping and algorithm simplicity.

方法具有高阶精度，不呈现数值振荡，不带有可感受的数值衰减，计算过程稳定，计算方法简便等优点。

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At last a numerical simulation of the tunnel fire with non-rectangular wall in FDS is demonstrated to verify the feasibility of the algorithm.

最后给出了一个在FDS中对非矩形边界隧道火灾的数值模拟实例，验证了算法的可行性。

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With these numerical integration methods as mathematics tools, the new tracking algorithm, non-linear estimators weighted fusion filter, is developed, we call it TNF.

以这些数值积分方法为数学工具，推导出了非线性估计子加权融合滤波器，本文中简称TNF。

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