Fresnel zone
英
美
网络 菲涅耳区; 菲涅尔区; 菲涅耳区域; 菲涅耳區; 菲涅耳波带
双语例句
- The design method of a photoinduced plasma Fresnel zone plate antenna is described.
本文描述一种光生等离子体菲涅尔波带板天线的设计方法。 - Staring from Fresnel diffraction integral, we deduced the optical intensity distribution in the Fresnel zone of the diffraction field of the annular-aperture lens axicon.
从菲涅耳衍射积分公式出发，推导多色高斯光束被球差透镜衍射后光强分布的解析公式，进行数值模拟和物理分析。 - We investigate the dependence of the focusing contribution on the order m of local ring of underlying traditional Fresnel zone plate.
在本文中，我们讨论了聚焦贡献对潜在的传统菲涅耳波带片上的环的阶次的依赖性。 - Optical Tomography Based on Fresnel Zone Plate Scanning Holography
基于菲涅耳波带板扫描全息术的光学层析成像 - The one dimensional Fresnel zone phase correcting principle can be applied to a cylindrical reflector to construct a new type of point source feeding reflector.
在抛物柱面反射器上进行一维菲涅尔区相位修正结构设计，可以构成一类新型的点源馈电反射器。 - The experimental result shows that the hollow beam generated from the Fresnel Zone Plate based on a TFT-LCD has the advantages of real-time adjustability, simplicity and accuracy.
实验结果表明，基于TFT-LCD的菲涅尔波带片生成的中空光束具有实时可调、快捷和精确等优点。 - There are many methods to measure the pattern of phased array antenna, such as the technique of plane scanning in near field, focusing method in Fresnel zone, general method in far field, etc.
阐述了用聚焦法在菲涅尔区测试相控阵天线的理论依据及实现方法，用实验结果对近远场方向图进行了比较。 - The first Fresnel zone radius can be treated as lateral resolving power of seismic data approximately.
可以将第一菲涅尔带半径作为地震资料横向分辨力的一种近似。 - Study on fabrication of Fresnel zone plate by Liga technique
LIGA技术制作Fresnel波带片的研究 - The sensor is designed with the core of a binary optical splitter, which is made up of a two-dimension Dammann grating and a Fresnel zone plate.
传感器是以二维Dammann光栅和Fresnel波带板所组成的集成二元光学分束器为核心设计的。 - Multi-slit interference experiments have been carried out in Hefei National Synchrotron Radiation Laboratory at the X-ray water-window wavelength region using a Fresnel zone plate as a dispersion element and an aperture to reduce the linewidth.
采用菲涅耳波带板作为色散元件，小孔压缩线宽的方法，在合肥国家同步辐射实验室在水窗波段完成了一个多缝干涉实验，观察到清晰的干涉条纹。 - Common reflection surface ( CRS) stack concerns the local feature of the reflector and all reflection response within the first Fresnel zone, so it fully use the potential of the multiple coverage seismic data.
共反射面元（CRS）叠加考虑了反射层的局部特征和第一菲涅耳带内的全部反射，更充分挖掘了多次覆盖数据的潜力。 - We analyze the feasibility of using the Fresnel zone plate arrays as sensor in distorted wavefront measurement; compare the effect of South Well model and Zernike area wavefront reconstructed algorithm in reconstruction of small-scale distorted wavefront.
分析了利用阵列菲涅耳波带片进行激光小尺度畸变波前探测的可行性，并对SouthWell区域算法和Zernike模式算法在小尺度畸变波前恢复效果进行比较分析。 - An imaging technique for three-dimensional objects termed Fresnel zone plate scanning holography based on the principle of optical scanning holography and the tomographic technique of coded aperture imaging is proposed.
基于光学扫描全息术原理和编码孔径层析成像技术，提出了一种三维物体层析成像技术&菲涅耳波带板扫描全息术。 - The discussion of Fresnel zone plates diffraction based on the half wave belt
基于半波带分析法的菲涅耳波带片衍射特性的讨论 - A new type Fresnel zone plate
一种新型Fresnel波带板 - The configuration, performance of the Fresnel zone plate and the diffraction experiment result of the zone plate to coherent light are presented.
介绍了该波带板的结构、性能以及它对相干光的衍射实验检验结果。 - Starting from the practice of seismic survey, the formula for extracting the radius of Fresnel zone in continuous medium was derived and simplified in accordance with the practical situation.
本文从地震勘探的实际条件出发，推导了连续介质中菲涅尔带半径公式，并按实际情况进行了必要的简化。 - Fresnel zone is an important parameter of seismic lateral resolution.
菲涅耳带是衡量地震横向分辨率的一个重要参数。 - One dimensional Fresnel zone phase correcting plate has its focusing characteristics similar to that of the paraboloid cylinder.
一维菲涅尔区相位修正结构具有类似于抛物柱面的聚焦特点。 - The transformation of Gauss beam through Fresnel zone plate
菲涅尔波带片对高斯光束的变换 - This paper deals with two problems, nonzero-offset Fresnel zone in homogeneous media, and the effect of velocity error resulted in NMO correction and stacking on vertical resolution.
本文讨论了均匀介质情况下非零炮检距菲涅耳带和动校、叠加中速度误差对纵向分辨率的影响这两个问题。 - The third chapter discussed how to perform a fresnel lens with the principle of fresnel zone diffraction.
第三章阐述了菲涅耳波带透镜的基本原理和标量衍射理论； - We point out the main influence factor of seismic distinguish in landscape orientation is Fresnel zone. We can solve this problem through the high quality wavelet equation migration.
指出了对于横向分辨率的主要影响因素为菲涅尔带的大小，可以通过高质量的波动方程偏移解决此问题。 - The Fresnel zone plate scanning holography is applied in the imaging through highly scattering media.
将菲涅耳波带板扫描全息术用于高散射介质成像技术中。 - We analyze the influence of the random noise of light source and the structure of Fresnel zone plate arrays on the wavefront reconstruction, and this study will offer reference in optimizing design of the system and practical operation in the measurement and control of small-scale distorted wavefront.
分析了光源高斯随机噪声和波带片阵列结构对激光波前恢复的影响，为提高激光小尺度波前探测与补偿能力提供了系统设计和实际操作的参考。 - Numerical analysis point out that fractal zone plates and conventional Fresnel zone plates have similar imaging capabilities under different coherent illuminations.
数值分析指出在不同的相干照明下，分形波带片和传统的菲涅尔波带片具有类似的成像能力。 - In term of Fresnel Zone Plate theory, how to carry out focusing effect of excited-state population would be discussed, as well as the second-order nonlinear optical sum frequency problems.
根据菲涅耳波带片思想讨论了如何实现对激发态布居几率的聚焦效应。同时讨论了二阶非线性光学中的和频问题。 - In this thesis, the focusing properties of plane waves, Gaussian beams and Laguerre-Gaussian beams passing through a dual-focus optical system consisted of a Fresnel zone plate and thin lens have been investigated.
本文主要研究了平面波、基模高斯光束和拉盖尔-高斯光束通过由菲涅尔波带片和薄透镜构成的双焦光学系统后的聚焦特性。 - Also discussed the issue on the resolution of seismic waves, through a variety of models of different sizes to verify the seismic waves on the vertical resolution of horizontal resolution and the theory of the first Fresnel zone deepened understanding of the theory.
同时讨论了关于地震波分辨率的问题，通过多种不同尺寸的模型，验证了关于地震波水平分辨率和纵向分辨率的理论，加深了对第一菲涅尔带理论的理解。