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.
本文对电磁波在手征介质中的传播进行了研究，利用矢量圆法对传播中介质所表现出的表面阻抗和导纳进行了推导。
This paper studied the characteristics of electromagnetic wave propagation in chiral media, and got the expessions of surface impedance and admittance by use of vector circle method.
采用耦合模理论对倾斜光纤光栅的传播特性进行分析，并推导出模式传播的波动方程、模式间的耦合系数及坡印亭矢量。
The wave equations, modes coupled coefficient and Poynting vector have been got here. The sensing theory of tilted fiber Bragg grating is presented here.
比较而言，学习矢量量化网络和概率神经网络在分类能力方面要比反向传播网络好一些，概率神经网络在计算负载方面比学习矢量量化网络要更胜一筹。
By comparison, LVQ network and PNN network are better than BPN network in classification ability, and PNN network is better than the others in computation load.
比较而言，学习矢量量化网络和概率神经网络在分类能力方面要比反向传播网络好一些，概率神经网络在计算负载方面比学习矢量量化网络要更胜一筹。
By comparison, LVQ network and PNN network are better than BPN network in classification ability, and PNN network is better than the others in computation load.
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