光学的
- 与 光学的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on the prior art, the optical engine according to the invention has the improvements that, three optical axis steering components are respectively introduced into red, green and blue light illumination systems, and an optical axis lengthening structure is introduced into the green light illumination system, so that optical axes of the red, green and blue light illumination systems, each of which is from an LED resource to the optical axis steering component, are counterclockwise rotated for 90 degrees, parallel with each other, parallel with an optical axis of a projection lens, arranged in a same plane and positioned under the projection lens, luminous faces of three LED luminous chips of the red, green and blue light illumination systems are in a same plane, and the three LED luminous chips can be mounted on a same heat-radiating plate, therefore, the heat-radiating system has a simplified structure, and the optical engine has reduced size.
在背景技术所述的光学引擎的基础上作以下改进,在红、绿、蓝光照明系统中引入三个光轴转向器件和在绿光照明系统中引入光路加长结构,旨使:红、绿、蓝光照明系统各自的从LED光源至光轴转向器件部分的光轴朝逆时针方向转动90°、互相平行、与投影镜头的光轴平行、居同一平面和位于投影镜头的下方,红、绿、蓝光照明系统的三个LED发光芯片的发光面居同一平面,三个LED发光芯片可安装在同一块散热平板上,散热系统的结构简化,所述的光学引擎的尺寸减小。
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Taking the fiber coupler as represent, aiming at the performanceproblem of the fiber coupler which is used in the market, such as theoptical performance differences of accepted products, technologicaloptimization and stability reflected by the low rate of finished products,how to reduce excess loss, and so on. From the view of manufacture of rheological formation, the research of experiment and theory has beendeveloped. The effects of rheological technological parameters such asdrawing speed and fused temperature on the optical performance,microstructure and the process of rheological formation have beeninvestigated. It is discovered that the present heating mode of combustinggas can\'t satisfy with the rheological manufacturing technological needof high performance fiber devices. A new resistance heating system is putforward, designed and manufactured, and a new fused biconical tapermachine is developed.
论文以光纤耦合器为代表,针对目前市场上广为应用的光纤器件存在的性能问题,如合格产品的光学性能差异,成品率不高所反映的制备工艺优化与稳定问题,如何进一步降低附加损耗等,从光纤耦合器流变成形制造的角度,分析了流变制造工艺参数如拉锥速度与熔融温度及其扰动对流变制造成形过程、微观结构与器件光学性能的影响,发现现有燃烧气体火焰的加热方式不能满足高性能光纤器件的流变制造技术要求,提出、设计并制造了一种新型的电阻加热系统和熔融拉锥机。
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The phase of optical wave can be recovered by the intensity transport equation under the paraxial approximation For the optical system with diffraction limit, it is difficult to get the boundary radical slope of phase and sample in the circular domain boundary when using the intensity transport equation to recover the phase, consequently, we reviewed an algorithm mentioned in the reference [4], namely, the equation, computation domain and boundary condition are changed, then the phase is reconstructed by the multigrid method and corrected at last Moreover, the experiment system is set to testify the algorithm, and the recovered phase from the intensity data detected by CCD is compared with the result from phase retrieval algorithm, it is found that the phase reconstruction error can reach 017 λ in the case of non-uniform intensity distribution, as a result, the method is suitable for the phase recovery with low wavefront sensing accuracy.
在傍轴近似条件下,可以利用光强传播方程对畸变波前进行相位恢复。对于衍射受限的光学系统,很难获得相位的边界径向斜率值作为边界条件,此外,要获得精确的圆域边界采样值也并非易事。为了克服上述困难,进一步研究了相位恢复改进方法,即改变了方程的表示形式、计算区域和边界条件,并用多重网格法进行求解获得重构相位,最后再将其修正。为了验证算法的精确性,搭建了实验系统对算法进行实验验证,将由CCD探测的光强分布进行计算得到的相位分布与相位恢复算法的结果进行比较,证明在光强分布非均匀的情况下,该方法恢复的相位均方根误差能够达到017 λ,可以适用于波前传感精度要求不是很高的相位恢复。标签自适应光学相位恢复相位修正光强传播方程 adaptive optics phase retrieval phase correction intensity transport equation
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To introduce the method of matrix, the optical system design in detail in the optical polarization Jones matrixes of application, On the other hand, the geometrical optics lens, the relations between the theoretical calculation, and the calculation results of calculation method and the results are compared, consistent, this method is feasible and reasonable.
将矩阵方法引入光学系统的设计中,详尽地给出在偏振光学中琼斯矩阵的应用;另一方面,对几何光学中的透镜间的关系进行理论计算,并把计算结果与普通的计算方法做出的结果比较,它们是相吻合的,说明此方法是可行的,合理的。
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In the paper, on the basis of aggregation of previous studies, the development of optical technology and development trends at home and abroad are introduced, the principle of Fresnel lens is summarized. In accordance with its principle, circle equidistant steps Fresnel lens design is described. And on this basis, based on Fresnel design, also based on a continuous upward spiral of the plane curve concept, incidence surface and the backlight is set up to greet Archimedes - Fresnel lens design formula and the Second parabolic type Fresnel lens design formula, and on this basis, the advantages and disadvantages of the three designs is discussed.
本文在充分了解非球面光学技术在国内外的发展状况和趋势的基础上,同时从菲涅尔透镜的光学原理出发,并根据它的工作原理推导了圆环等距菲涅尔透镜的设计步骤,并在此基础上依据菲涅尔的设计思想,同时依据平面曲线的连续又呈螺旋的构思,推导出了迎光面和背光面阿基米德型菲涅尔透镜的设计公式和二次抛物面型菲涅尔透镜的设计公式,并在此基础上讨论了这三种设计各自的优缺点。
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This device is characterised by that its beam-splitter unit is the above described one, the first focusing elements (24) are placed at two opposite sides as seen from the direction of the beam arriving to the semitransparent reflective surfaces of the optical beam-splitter unit (22) i.e. from the receiving direction (5) and the common optical axis (23) of the first focusing elements (24) is at right angles to the receiving direction; outside the first focusing elements (24) on both sides a mirror is placed in front of each eye, and the semitransparent reflective surfaces of these mirrors enclose an angle delta 45 DEG +-15 DEG with the above mentioned optical axis (23), and the intersection line of these reflective surfaces is parallel to the mirror crossing intersection line (4) of the semitransparent reflective surfaces.
该双目图像显示装置的特征是其光学分束器单元是所述的单元,从到达光学分束器单元(22)的半透明反射面的光束方向看,即从接收方向(5)看,第一调焦元件(24)放置在相对的两侧,并且第一调焦元件(24)的共同光轴(23)垂直于接收方向;在位于两侧的第一调焦元件(24)的外面反射镜放置在每一只眼睛的前面,并且这些反射镜的半透明反射面与所述共同的光轴(23)围成夹角δ45°±15°,并且这些反射面的交线平行于半透明反射面的交叉反射镜交线(4)。
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The influence of different assembled condition such as assembly method, concentration of zirconium source and pH value on the effectiveness of assembly were evaluated via DSC-TG, FT-IR, Uv-vis and SAXRD et al. It showed that the assembly effectivness of uncalcined 3 Si/Zr_10# sample was best.c The optical characteristic, which including light-conduction in infrared band and polarity in visible band, of dip-coating film and membrane assembled zirconia after processing parameters of assembly optimized were observed via FT-IR and Uv-vis. The polarity was characterized by polarizing angle through calculation from light-transmittance, light-reflectance and fresnel coefficient. qualitative analysis showed that the polarity of Si/Zr_10 # dip-coating film assembled was best.d Adopting zirconium oxychloride as zirconium source, CTAB as template, employing different CTAB adding sequence, two mesoporous zirconia samples were prepared. The template effect of two samples was discussed. It showed that the effect of the sample which CTAB adding sequence was same as mesoporous silica film was better. The light-conduction in infrared band of these samples was also studied, which offered comparison to the polarity of zirconium dioxide assembled within mesopore.
结果显示:组装条件优化后的uncalcined 3 Si/Zr_10#厚膜样组装效果最好,其组装液对应的pH值最利于该锆源离子模板交换组装; c选用FT-IR、Uv-vis对组装条件优化后纳米氧化锆/介孔氧化硅厚膜、纳米氧化锆/介孔氧化硅薄膜包括红外导光性、可见光区内的偏光性在内的光学特性进行了分析,其中偏光性以膜层透光性、反光性及菲涅耳系数计算出的偏振角即布儒斯特角表征,定性分析显示,Si/Zr_10#ZrO_2/介孔氧化硅厚膜偏光性最好; d以氧氯化锆ZrOCl_2·8H_2O为锆源,CTAB为模板剂,采用不同的模板剂加入顺序,探索性地制备两介孔氧化锆样,分析了两介孔氧化锆样的模板效果,得出模板剂加入顺序同介孔氧化硅薄膜时介孔氧化锆样的模板效果较好,并分析了所得样品的导光性,为锆氧粒子引起的附加光学特性分析提供了参考和对比。
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A new method to correct the Rayleigh scattering effect by using NCEP reanalyzed data set was given. The aerosol optical thickness and surface albedo distribution in 670nm and 865nm over north of China were also given by using POLDER level-1B data, and some results were compared with that of by other method and seem to be reasonable.
六。在敏感性分析和模拟反演的基础上提出了完整的利用偏振反射率和总反射率同时反演陆地上空大气气溶胶光学厚度和地表反射率的方案,提出利用NCEP资料订正由海拔高度引起的Rayleigh散射变化的具体方法,并利用POLDER的Level 1B资料进行实际反演计算,给出我国华北地区气溶胶光学厚度和地表反射率的区域分布,并进行了对比验证分析,取得了比较合理的定量结果。
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When treat-ing the spectra, transition, scattering problems, we must use the semi-microscopicapproach. The main new conclusions in this thesis are following:We found the different shrinking effect in ∧ hypernuclei and 〓 hypernuclei, the shrink-ing effect in ∧ hypernuclei are confirmed in a recent experiment;We also found a new approach to treat the configuration mixing of ∧∧ hypernuclei and〓 hypernuclei and that the conversion process may change the spectra and widths of〓 hypernuclei;For the first time, we investigate the neutron star matter without the ∑ hyperon butwith the new meson 〓(975) and φ(1020), we found the contribution of 〓 and φ canmake the equation of state of neutron star soften, and the maximum mass of neutronstar reduces;we extract a set of optimum parameters of the optical potential for the scattering of 〓with nucleus, we found that the 〓 nucleus optical potential need a bigger imaginarypart.
本论文所取得的主要新成果是:独立揭示∧超核和〓超核的不同的收缩效应,其中∧超核的收缩效应被最新实验证实;提出了处理∧∧超核与〓超核混合态的新方法,并发现conversion过程使〓超核能谱和宽度改变;首次在中子星研究中在不包含∑超子的同时考虑新介子〓(975)和φ(1020),并发现这可使中子星物质的状态方程变软、中子星半径变大、质量变小;独立提取了〓核光学势的一组最佳参数,并证明〓+核光学势要求一个较大的虚部。
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To avoid the shortcoming of magnification change with wavelength, which will cause the spectral image pixel registration error and provide inaccurate relative spectral signal strength in the classical diffractive optic imaging spectrometer, a novel hybrid refraction/diffraction telecentric optical system combining a diffractive lens with an achromatic lens system is presented, and the working principle is then established.
为了克服在传统衍射光学成像光谱仪中,衍射透镜的焦距随波长变化引起系统放大率随波长变化,从而导致光谱图像的像元配准误差,得到并不精确的相对光谱信号强度,提出了将衍射透镜与消色差透镜系统相结合的新型折/衍混合、二组元复合远心成像光学系统的技术方案,具体分析推导了该系统的成像理论。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力