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- far--field ground motion 远场地面运动
- The Richter Scale is a measure of ground motion. 里氏震级是测量地动的单位。
- The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
- The seismic influence field reflects the space distribution of seismic intensity or space-related seismic ground motion field. 摘要地震影响场反映了地震动强度的空间分布或与空间相关的地震动场。
- In pure seismology, the ground motion is generally expressed by its amplitude. 在纯粹地震学中,地面运动一般以振幅表示。
- 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。
- A seismograph is equipped with sensors called seismometers that can detect ground motions caused by seismic waves from both near and distant earthquakes. 地震仪配备了能探测到来自近震和远震的地震波所引起的地面运动的传感器,这个传感器被称为地震检波器。
- The near and far field properties of line current of arbitrary shape is demonstrated in this example. 本例以赫芝电偶极电磁场合成之近似结果,验证偶极天线远场及近场之特性。
- The reflections are recorded by detecting instruments responsive to ground motion. 反射波由对地面振动极敏感的探测仪器记录下来。
- The pattern and/or image of electric and/or magnetic field of an electric Hertzian dipole in the near and far field. 赫芝电偶极在远近场区中之电场与磁场之场型及影像。
- In addition, the regression equations are verified with the records of ground motions. 另外,还用近场地震记录对简化冲击的回归公式进行了验证。
- The Eelctromagnetic Field and Power Density Vectors on Spheres in Near to Far Field from Time Harmonic Currents. 弦变电流源在近场至远场球面上之向量电磁场及向量功率密度。
- Under the condition of far field, pseudorandom diffusers have good diffusion characteristics. 摘要在远场条件下,伪随机序列扩散体具有良好的扩散特性。
- Ground motion composite inversion based on a substructural analysis method is studied in this paper. 本文研究一类基于子结构分析的地震动复合反演问题。
- Far field spatial intensity structures are result from the diffraction of sharing gratings. 远场光强的空间结构是由共享光栅组合衍射引起的。
- Ground motions with forward-directivity effect in the near-fault region are obviously different from ordinary far-field ground motions. 摘要具有向前方向性效应特征的地震动与普通远场地震动存在明显差异。
- For high intensity laser beam with center obscuration, beam quality far field measurement method is used presently. 目前对于较强的带遮拦光束采用光束质量远场测试法。
- The larger truncation ratio, the larger relative increment of peak energy of beam in far field. 切断比越大,强度峰值的相对增量也越大。
- In this paper, some studies are made for synthesizing strong ground motions near fault by using empirical Greens function. 本文对利用经验格林函数法合成断层附近的强地面运动等问题做了初步研究。
- To make a crushing and grinding motion with the teeth. 咀嚼用牙齿作咬破及嚼碎的动作