These results quantitatively expound the effect of the nonlinear up-down asymmetry of wave profile on the statistical properties of the wave field.
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。
The system adopts MSP430F149 MCU and asymmetry regular-sampling strategy to output high precision SPWM wave, consequently transducer's SPWM control is realized.
本论文所论述的系统采用MSP430F149单片机通过不对称规则采样法来输出高精度的三相spwm波形，从而实现了逆变器的SPWM控制。
The radio wave propagation velocity is slowed and the ray producing bend but to the asymmetry of the atmospheric medium, the refraction error is produced.
由于空中大气介质的不均匀性使得电波传播速度减慢射线产生弯曲，从而产生折射误差。
It is found that the shock wave propagates anisotropically and shows the east-west asymmetry.
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.
发现冲击波各向异性传播且表现出东、西不对称性。
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