经过与波动理论的比较，说明该模型仅是矢量声场传播损失的简单近似。
A comparison between the wave and ray models shows that the ray model gives an approximation of the transmission loss in an acoustic vector field.
对向传播神经网络(CPN)可以作为矢量量化器用于图像压缩，但CPN学习算法在进行码书设计时存在两个明显的缺陷。
The Counterpropagation Network (CPN) can be applied to image compression as a vector quantizer. However, the CPN learning algorithm has two obvious disadvantages in codebook designing.
智能天线的智能主要体现在天线阵的加权矢量能够根据用户的需要和天线传播环境的改变而自适应地进行调整。
The term "smart" means the antenna can be adaptively modified the weighted values according to the needs of the users and the propagation environment in certain range.
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