为了克服理想匹配层的差分误差，减少计算开销，提出数值匹配条件。
Numerical matched condition is proposed to overcome the difference error and to reduce the computational expense of PML.
理论分析和数值计算表明：相位匹配条件满足的情况下，光子晶体(PBG)中的二次谐波的产生的效率和增强会大大提高。
As for SHG, we show that the efficiency of SHG in PBG can be greatly enhanced if the phase match condition is met.
系统中不确定项具有数值界，可不满足匹配条件。
The uncertainty value was bounded and may not satisfy the so-called matching conditions.
系统中不确定项具有数值界，可不满足匹配条件。
The uncertainty value was bounded and may not satisfy the so-called matching conditions.
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