The experimental results are consistent with the numerically simulative results using a plane wave expansion method.

分析表明实验结果与用平面波展开法数值模拟的结果相一致。

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The effect of hole size on nonlinearity and dispersion of the photonic crystal fiber(PCF) is analyzed by the plane wave expansion method.

采用平面波展开法，研究了气孔尺寸对光子晶体光纤色散特性和非线性的影响。

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Sommerfeld's wave expansion theory demonstrates that a spherical wave can be expanded as the superposition of plane simple harmonic waves.

索末菲关于波的展开理论证明，球面波可以展开为平面简谐波的叠加。

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Mr Blair hopes agreement will be reached on Russian involvement in decision-making by the planned Prague summit next autumn, when Nato will announce the size of its next wave of expansion.

BBC: Analysis: Nato and Russia draw closer

But the news further depressed the company's share price, which has fallen sharply in the last year, as analysts worried that the company would lose out on the next wave of mobile phone expansion in Europe.

BBC: BT loses in Italian mobile auction