但对于气动高度不稳定的飞机，辨识算法往往因状态方程组和灵敏度方程组积分发散而无法进行。
However, for highly aerodynamic unstable airplane, the identification algorithm can not usually be carried through due to divergence of the state equation and the sensitivity equation integration.
该方法克服了高斯点附近积分值的不稳定问题，提高了计算精度和收敛速度。
The unstability integration number near the Gauss point is overcome, and the calculating precision and the convergence speed are improved.
方程是一病态积分方程其解很不稳定。
This equation is ill-posed and its solutions are extremely unstable.
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