尾波场效应导致脉冲自相位调制的不对称性，其大小与初始脉冲形状和脉宽大小有关。
The effect of wakefield, which depends on the initial pulse shape and width, leads to the asymmetry of pulse self phase modulation.
本文将“新波”理论进一步拓展，使之可以应用于陡波模型的建立，得到波峰前后面不对称的波性。
In this paper, the new wave theory is extended to establish steep wave model, which results in the wave shape with asymmetric surface.
所得结果定量地阐明了波剖面的非线性上下不对称性对波动场统计特征的影响。
These results quantitatively expound the effect of the nonlinear up-down asymmetry of wave profile on the statistical properties of the wave field.
发现冲击波各向异性传播且表现出东、西不对称性。
It is found that the shock wave propagates anisotropically and shows the east-west asymmetry.
开发了变极性TIG焊电源的微机控制系统，通过调节输出电流的正负半波时间、幅值获得不对称方波。
The controlling system of the variable polarity power source for TIG welding by microprocessor-80C552 is developed with flexible setting time and scope of the DCEP and DCEN.
开发了变极性TIG焊电源的微机控制系统，通过调节输出电流的正负半波时间、幅值获得不对称方波。
The controlling system of the variable polarity power source for TIG welding by microprocessor-80C552 is developed with flexible setting time and scope of the DCEP and DCEN.
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