1) far-field formula
远场公式
1.
A concise derivation for the far-field formula of added resistance of ships is presented in this paper, which greatly simplifies the derivation given by Y.
本文给出船舶波浪增阻远场公式的一个简洁推导方法,大大简化了肥后靖和河文根在文[1]中给出的推导过程。
2) far field pattern
远场模式
1.
Recovering the acoustic wave impedance coefficient from the incomplete far field pattern data
利用远场模式的不完全数据反演声波阻尼系数
2.
The far field pattern of the scattered wave is solved employing the relation between the far field and the scattered wave.
将阻尼边界条件下声波散射问题转化为求解一个最小二乘法问题,将散射波表示为单层位势,该问题满足拟牛顿法的收敛条件,采用拟牛顿法得到逼近散射波的傅立叶级数的系数,并根据散射波与其远场模式之间的关系求得散射波的远场模式。
3.
Aim To recover the impedance coefficient from the far field pattern of the scattered wave of the acoustic scattering problem with impedance boundary condition.
目的从阻尼边界条件声波散射问题的散射场的远场模式出发去反演阻尼系数。
3) far-field expressions
远场表示式
4) energy of electric field formula
场能公式
5) near-field formula
近场公式
6) formula of magnetic field
磁场公式
补充资料:远场
见声场。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条