focal depth meaning in Chinese
焦点深度
焦深
深焦
透视力
震深
震源深度
Examples
- The focal depth was about 6 mi .
震源深度约6哩。 - The results show that radius and position of focal beam waist , focal angle and focal depth describe focal beam properties . they are determined by waist and rayleigh length of beam before focusing , the position and focal length of focus mirror
聚焦光束束腰位置和半径、聚焦角、焦深、焦点偏移量以及焦点漂移量是描述光束聚焦特性的主要参数,它们由四个参量共同决定,分别为聚焦前光束的束腰半径、瑞利长度和聚焦镜的焦距以及聚焦镜到光束束腰位置的距离。 - This paper relates to some problems about the determination of design ground motion parameters , which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum , the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves , the choice of intensity envelops function and random input phase , the choice of soil nonlinearity and shear wave velocity , scale of design ground motion response spectrum etc . in the researches of relative aspect , based on a typical section plane of the engineering site , influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization
摘要研究了确定设计地震动参数中涉及的若干问题，其中包括基岩水平加速度反应谱衰减关系的选择、震源深度对基岩水平加速度峰值及基岩反应谱曲线的影响、强度包络线函数及输入随机相位的选择、土体非线性特性参数和土层剪切波速值的选择、设计地震动反应谱的标定等问题。 - We encoded and optimized the filter to design the algorithm for filter . computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image , but also improve the resolution and the focal depth . it provides directive basis for the development of the experiment and the practicability of the technology
计算机模拟结果表明，通过在非瞳孔面的适当分数傅立叶变换面上加入优化设计的位相型滤波器，可有效减小光刻图形的线宽偏差和面积偏差，提高成像系统的分辨率和焦深，为分数域滤波改善光刻图形质量实验的开展和这一分辨率增强技术走向实用化提供了指导依据。 - The transmission characteristics of the inverted telescope , and the influence of beam quality , beam parameter and light system parameter are analyzed with lens beam transmission theory and definition of the beam quality factor m ^ 2 , and a rational explanation of the active focal depth is obtained
摘要利用透镜光束传输规律和光束质量因子平方公尺的定义，阐述倒置望远镜导光系统在超重超大工件高功率激光加工中的传输特性，以及光束质量、光束参数、导光系统参数在加工范围内对稳定加工质量的影响，并对有效焦深给出一个更合理的解释。