focal depth
英 [ˈfəʊkl depθ]
美 [ˈfoʊkl depθ]
焦深；震深
双语例句
- A tunable pupil filter for modulation of axial focal shift and extended focal depth is proposed.
提出一种可调谐光瞳滤波器来实现光学系统的轴向焦移及扩展焦深。 - Research on Focal Depth in the Experiment of Thin Lens 'Focal Length Measurement
薄透镜焦距测量实验中焦深问题的研究 - Taking account of the positioning error, the formulas for determining fraunhofer diffraction, Fourier transform and its physical focal depth region are obtained.
考虑到定位误差，文中给出了计算夫琅和费和傅里叶变换有效区域和物理焦深区的公式； - From the epicenter of the distance to the source told focal depth.
从震中到震源的距离叫震源深度。 - The analysis of the lateral and axial properties shows that the focal depth of the modified FZP is larger than the FZP under the broadband lighting.
分别从横向和纵向两个方面分析了改进型分形波带片的光场分布，结果表明，在宽带光照明下，改进型分形波带片的焦深也大于常规的分形波带片。 - The focal depth was about6mi.
震源深度约6哩。 - A modified fractal zone plate ( FZP) with the character of extending the focal depth is proposed.
提出了一种具有增大焦深特性的改进型分形波带片（FZP）。 - Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.
焦深在高密度光盘存储系统中具有十分重要的作用，大焦深可以使调焦伺服系统容易跟踪盘面。 - The causes that lead to the above situation are discussed preliminarily, and some suggestions and measures for improving the precision of focal depth determination are put forward.
对造成上述情况的原因，进行了初步的讨论，并提出改善震源深度测定精度的建议和措施。 - In accordance with the contradictions between the resolution and focal depth when the projection photolithographic imaging system has an enough large numerical aperture, the imaging contrast enhancement in projection photolithography with pupil filtering is studies in detail.
针对投影光刻成像系统在数值孔径足够大时所产生的分辨力和焦深的矛盾，详细研究了光瞳滤波对投影成像对比度的改善情况，根据不同掩模图形设计对应的最优滤波器。 - And then the paper simulate the design result and validate the phase function, which get the optical intensity and spot dimension of output planes within objective focal depth.
利用计算机仿真，对所得到的相位函数进行验证，得到了相应焦深内各个输出平面上的光强分布和光斑大小。 - The plates are used as the elements with long focal depth, whose two important parameters#: the axial intensity distribution and the axial variation of the focused-central-spot size, are simulated and analyzed#.
对其作为长焦深元件的两个重要参量&轴向光强分布和沿轴向一定范围内聚焦中心光斑大小的变化进行了模拟分析，得出了沿轴向一定范围内聚焦中心光斑大小基本恒定的结论。 - Research of focal depth and active state of the strong earthquakes in China
中国地震震源深度与强震活动状态研究 - Rigorous vector analysis of diffractive micro-cylindrical lenses 'characteristics of focal depth and focal shift
衍射微柱透镜焦深和焦移特性的矢量分析 - The resolution, focal depth, focused intensity, and dispersion with wavelength are compared in detail for h-SIL and s-SIL.
h-SIL和s-SIL的分辨力、焦深、聚焦强度和随波长的色散被详细比较。 - Focal depth of laser beam is advanced by diffraction optical element in this paper.
本文使用衍射光学元件来提高激光束的焦深。 - According to the records of Kashi station about the earthquakes in the Circum Pacific seismic belt, the phase characteristics of the earthquakes that occurred in different region, focal depth and with different magnitude along the Circum Pacific seismic belt are analysed.
根据喀什地震台记录的环太平洋地震带地震资料，分析和总结了该台记录环太平洋地震带上不同地区、不同震源深度和不同震级地震的震相特征。 - In this paper, the effects of model deviation upon its located focal depth have been analysed. And the principal way for constraining such effects has been suggested, so as to improve the determination accuracy.
简要分析了定位模型偏差对震源深度测定的影响，提出了有利于抑制模型偏差作用，提高测震定位精度的主要途径。 - In the traditional optics, there is a contradiction between focal depth and focal spot.
在经典光学中，焦深和焦斑总是一对无法解决的矛盾。 - In this paper, we summarize systematically the existing experimental data, and study crustal rheology of North China by using these data combined with focal depth distributions in this region.
本文系统总结了这些流变实验资料，并应用流变数据结合地震震源深度分布，对华北地壳流变性质进行了研究。 - The principle for improving microlithographic resolution and focal depth with phaseshifting mask is described in detail in the paper.
详细地论述了相移掩模提高光刻分辨力和改善焦深的原理。 - Comparison for the Focal Depth of Foreshock and Common Swarm
前震和普通震群震源深度分布的比较 - On the basis of the earthquake intensity data in Tonghai and vicinity, Yunnan, China, we studied the effect of focal depth on intensity attenuation, calculated the seismic intensity attenuation relation in the study area using the intensity attenuation model that had added focal depth parameter.
选用云南通海及其周边地区的地震烈度资料，研究了该区地震震源深度对烈度衰减的影响；通过在烈度衰减模型中加入震源深度参数，计算了通海及其周边地区的地震烈度衰减关系。 - The cutting accuracy of the process is mainly decided by the focal depth of the laser beam and the power density at the focal spot. A method to examine the cutting accuracy of the process is proposed.
并分析计算了决定激光切削精度的聚焦激光束的焦深和焦斑功率密度，提出了试验测定激光切削精度的方法。 - Different definitions about focal depth of Gaussian Beam are compared and analyzed.
对聚焦激光光束焦深的不同定义作了比较分析，并对基模高斯光束的光强分布作了数值计算，作出了等光强分布曲线。 - The focal depth is 26km;
震源深度26公里； - This technology has the advantages of no mask, long focal depth, and high resolution, low cost.
焦深长，分辨率高，无掩膜，成本低是该技术的优点。 - We find that long focal depth and smaller focal spot can be obtained by changing the phase of beams.
我们发现，通过调控入射光的位相可以让焦点处的光强为零或者得到更长的焦深、更小的焦斑。