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- The acoustic wave impedance coefficient is recovered from the incomplete data of the far field pattern. 对于系数反问题进行了研究，利用远场模式的不完全数据反演声波阻尼系数。
- 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。
- The Far Field Patterns of Transmission Problem 传输问题的远场模式
- RECOVER THE ACOUSTIC WAVE IMPEDANCE COEFFICIENT FROM THE INCOMPLETE DATA OF THE FAR FIELD PATTERN 利用远场模式的不完全数据反演声波阻尼系数
- The reconstruction of scatterer for impedance boundary condition from the far field pattern 利用远场模式的完全与不完全数据反演声波阻尼区域
- the far field pattern 远场模
- The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
- Base on the mathematical conformation between antenna array distribution to its far field and DFT to IDFT, we discuss how to obtain the array distribution by sampling far field pattern in some space angles based on DFT. 利用天线阵列分布及其相应的阵列方向图与离散傅里叶变换对之间在数学上的同构,对不同空间角度上阵列方向图的采样值进行离散傅里叶变换(DFT)来重新确定天线阵列的激励分布。
- Application to the inducted and radiated field patterns from near to far field of line currents of arbitrary shape are demonstrated. 并应用于显示任意线电流源之感应及辐射场强由近场至远场之变化。
- The far field shows the radiation of a single small electric dipole for groups of straight currents in a small region. 小型直线电流群在远场呈现单一电偶极之辐射。直线电流之沿线方向无辐射。
- The cost of travel to the far east is prohibitive. 到远东旅游的费用高的令人不敢问津。
- At the same time,the far field conditions of infinite plate and far field and edges conditions of SSSS plate is given for using the method. 同时给出了利用此方法的无限板上的远场条件和周边简支板的远场条件和边界条件。
- The wave polarization and impedance characteristics in the far field of combinations of an electric and a magnetic Hertz dipoles. 赫芝电偶极与同向赫芝磁偶极混合源远场之极向与波阻抗特性。
- Living in the far North had inured him to cold. 居于极北部使他习惯于寒冷。
- Abstract: By using the Fourier optics, a theoretical model based on the far field is put forward for the coherent addition of multi-ultrashort pulses. 摘 要： 利用傅里叶光学方法，建立了一个基于远场的多束超短脉冲相干合成的理论模型。
- The form of the refractive index variation in waveguide in separate confinement heterostructure (SCH) affects directly the far field ... 分别限制异质结构 ,波导层折射率的变化形式不同 ,直接影响输出光的远场分布。
- So the BEM has the superiority to many actual problems, especially for the far field Rock and Soil engineering projects. 因此，对于大量实际问题，尤其是大区域岩土工程问题，边界元法比有限元法更具优越性。
- First, On the basis of the characteristic of surface wave location, the far field of wedge shape ultrasonic transducer can be explored. 本文根据定位的特点，对常用的楔形表面波探头的远场做了分析和计算。
- Five men were shipped off to the Far East. 五个人被派遣到远东去。
- A lighthouse was winking in the far distance. 一座灯塔正在远处闪烁。
