If the pumping signal is the periodic square wave, the damped oscillation wave will be generated in the circuit.
在周期性方波激励下，电路中产生衰减振荡波形。
The influences of the wave vectors off the periodic plane on the distribution of energy bands of triangular, honeycomb and square lattices are analyzed by plane wave method.
利用平面波法分析了二维液晶光子晶体的带隙结构，着重对三角形和正方形空气孔光子晶体带隙随液晶旋转角的变化情况进行了分析和比较。
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