对于逆合成孔径雷达(ISAR)而言，多径效应会在ISAR的二维目标重建像上引入两个伪像，这将会影响雷达的目标识别与分类。
For inverse synthetic aperture radar (ISAR), the multipath effects introduce two artifacts in its reconstructed images, which greatly hinders radar target recognition and classification.
形状记忆合金由于其优良的形状记忆效应、相变伪弹性和高阻尼特性一直是最值得研究的功能材料之一。
Shape memory alloy (SMA) has been one of functional materials deserved to studying due to its outstanding shape memory effect, pseudo-elasticity and high damping capacity.
但是伪谱法也存在一定的问题，由于折叠效应的影响，普通的吸收边界条件不能达到良好的效果。
Because of the influence for wraparound, ordinary absorb boundary condition can, however, not achieve ideal effect.
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