... 扩展卷积码：diffuse convolutional codes 扩展耗损：spreading loss 宽频段电台：wide band station ...
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【中文名称】：扩散损耗 【英文名称】：spreading loss 【定义1】： 仅由于随着距离的增加，能量将分布在一个更宽的面积内所造成的电磁波的衰减。注：在均匀和各向同性媒质内，扩散损耗的特征是功率通量密度与离源距离的平方
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spherical spreading loss 球面扩展损耗
geometrical spreading loss 几何发散损失
Loss Spreading Principle 损失分摊原则
A calculation method for geometrical spreading loss is provided which is adapted to the characteristics of running trains noise.
给出适合铁路列车运行噪声特点的几何发散损失计算方法。
It recommends that the calculation of geometrical spreading loss of running trains noise adopt the theories calculation formula or the simplified formula of directional characteristic of dipole.
推荐铁路列车运行噪声几何发散损失计算采用偶极子指向性特性的理论计算公式或简化公式。
Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.
根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。
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