The fine scales solution in the variational multiscale finite element method, which can be acquired by analytical or numerical technique, has an important impact on the final numerical solution.
变分多尺度有限元方法中的细尺度解对数值解有着重要的影响，其可通过分析方法或数值方法求得。
The computation results indicate that the AWE technique not only can well approximate the exact numerical solution, but also improve the velocity of calculation and save the calculation time of CPU.
计算结果表明：渐近波形估计技术不但能准确地逼近矩量法的精确数值解，还可以较快的提高计算速度，但在加速计算导体宽角度与宽频域雷达散射截面时具有不同的效果。
The solution of optimization on engineering technique is usually obtained through numerical Calculation. Therefore, the study of the solution stability is highly important.
在工程技术中，最优化问题的解通常都是用数值计算方法求得，因此，解的稳定性研究就显得非常重要。
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