实验观测到两类由弹性表面波的再辐射产生的回波：径向表面反向散射波和纵向表面反向散射波。
Two sorts of echoes caused by the reradiation of elastic surface wave have been observed in experimentation: the radial surface backscattering wave and the longitudinal surface backscattering wave.
在DPF - 40等离子体焦点装置中，首次观测到径向运动电流壳层的一种不稳定现象，即不稳定模式。
An instability phenomenon of the current sheath implosion, namely the unstable mode, has been observed in the DPF 40 plasma focus device.
用高斯径向基函数(RBF)神经网络逼近对象未知非线性，用高增益观测器估计系统不可测量状态。
Gaussian based radial basis function (RBF) neural networks are used to approximate the plant's unknown nonlinearities, and a high-gain observer is used to estimate the unmeasured states of the system.
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