fresnel造句31, Two kinds of models are considered, spherical wave and plane wave, and the diameter of the receiving aperture is supposed as the first Fresnel zone length.
32, This paper presents a self focusing filter which is composed of matched filter with sine form and Fresnel zone plate by means of area coded method.
33, Fresnel lens optical landing system (FLOLS) is a typical optical landing system for contemporary aircraft carriers.
34, An approach to realize dynamic focusing in Optical Coherence Tomography ( OCT ) is proposed by using liquid crystal Fresnel zone lens.
35, The result indicates that fractional Fourier transform is the proper mathematic tools to Fresnel diffraction.
36, The patterns of two electrodes as the upper and lower substrates are accurately superposed on the Fresnel zone plate(FZP) in the refractive-diffractive hybrid focus-variable imaging system.
37, The contents as follow:1. Based on the actual parameter of laser direct writing system in our laboratory, designed a Fresnel lens.
38, The Fresnel integral can be computed on the basis of geometrical properties of Cornu spiral.
39, Some parameters, such as the diffraction aperture, the diffraction distance and phase levels of Kinoform, are discussed. They are key factors to the variable focal-length phase Fresnel lens.
40, It is shown that many properties of diffraction in the Fresnel region can be obtained.
41, In order to analyze a circular confocal resonator with a big Fresnel number, in this paper, we introduce a transfer matrix method to calculate and analyze the modes in a confocal resonator.
42, Fresnel Zone Plate ( FZP ) non - movable convolution scanning holography is based on the FZP scanning holography.
43, The one-dimensional Fresnel zone phase correcting principle can be applied in a cylindrical surface to constructed a new type of point source feeding lens antenna.
44, The Fresnel zone plate scanning holography is applied in the imaging through highly scattering media.
45, Four kinds of laser source are used to measure the diffractive efficiency of Fresnel lens.
46, Also, the corresponding arithmetical Methods : To evaluating imaging quality of rear projection fresnel screen is presented.
47, The imaging quality of curve Fresnel lens is better than plane one, because coma aberration was corrected.
48, Based on the total-reflection phase transformation theory, the Fresnel rhomb retarder is obtained with a structure angle with which the phase retardation is insensitive to the angle of incidence.
49, We study the beam paths in uniaxial crystal with arbitarily oriented optical axis in general conditions, by it′s plane and ellipsoid of refraction index and Fresnel law.
50, For the microscopy by off-axis lensless Fourier transform holography, Fresnel reconstructing method is better than the convolution method.
51, The difficulty was resolved by Fresnel with his addition of the concept of interference.
52, A tutorial on making use of reflection, specular, index of refraction, fresnel, and fall-off to create gold, silver and copper material.
53, Fresnel zone phase correcting plate antenna is a new type of planar antenna which is used in high-power millimeter-wavelength radiation system.
54, 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.
55, And point out the beams whose expression is the zeroth order Bessel function is not nondiffraction beams, but it is a kind of special Fresnel diffraction beams or interference.
56, The basic principle of this measurement comes from the Fresnel formula and Brewster ? ? s law.
57, In contrast to a Fresnel surface with double sheets, an indicatrix one is simple.
58, Fresnel zone lens suitable for dynamic focusing in OCT is designed based on optical characteristics of Twisted Nematic Liquid Crystal Spatial light Modulator (TN-LCSLM).
59, The wavelengths are determined usually by measuring the widths of interference fringes in many experiments such as Young's slits, Fresnel biprism, bimirror and Lloyd's mirror etc.
60, Fresnel lens system design was the first try and a commercial Fresnel lens was bought to analyse its model to use at the same time.