棱鏡法 的英文怎麼說
中文拼音 [léngjìngfǎ]
棱鏡法
英文
prism method-
This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。By using a reflector and two pentaprisms, one beam of light is separated into two parallel beams, then respectively they are received by two optical systems of the large scale photoelectric theodolite with certain imaging d - value which correspondingly represents each optic axis parallel error of these two optical systems
方法是利用一塊反射鏡和兩塊五棱鏡將一束準直光束分光成兩束平行光束，大型經緯儀的兩個光學系統分別接收這兩束平行光，兩束平行光所成像的脫靶量差值即為兩光學系統的光軸平行度。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求The principle 、 configuration and characteristics of the measure and control system in the grinding circuit with hydrocyclone classifier are introduced. the function and application result of the measure and control system are discussed with practical application
本文介紹了井下進行采區控制導線的測量時，在前、后視點懸掛棱鏡進行光電測距的方法及應用情況。Specially for the particularity of the path - length control system in the laser gyros consist of total reflecting prisms and the necessity of identifying the parameters in the system, the mathematical model of the temperature control system in the trp laser gyros is presented, and three new identifying algorithms are deduced in theory based on the method of the least squares : algorithm of immediately identifying, algorithm of instrumental variables and recursion algorithm
摘要針對全反射棱鏡式激光陀螺腔長控制系統的特殊性及其模型參數辨識的必要性，給出trp激光陀螺溫度控制系統的數學模型，並基於最小二乘法從理論上分析推導出3種新型參數辨識法：直接辨識演算法、輔助變量法和遞推演算法。The principle, theory, realizing methods for holographic lithography as well as the pattern transfer mechanism among the traditional photomask - hologram mask - resist have been deeply investigated. an experimental system with total inner reflection wavefront conjugation holographic lithography using right angle prism and refractive index matching liquid is designed and built, and the experimental research is carried out
對全息光刻的原理、理論、實現方法及傳統光掩模?全息掩模?抗蝕劑圖形傳遞機理進行了深入的研究，設計和建立了採用直角棱鏡和折射率匹配液的全內反射波前共軛全息光刻實驗系統，進行了實驗研究。Analysis of reflection property of cube - corner retroreflector with vector expression
用矢量方法分析角錐棱鏡的反射特性The evaluation of uncertainty in improving precision by adjusting the spectrometer twice
分光計二次調整法提高三棱鏡頂角測量精度An improvement on measuring laser wavelength by double - prism interference method
雙棱鏡干涉測量激光波長的方法改進Testing aggregates - method for determination of alkali - silica reactivity - concrete prism method
試驗集料.堿-硅反應性測定方法.混凝土棱鏡法Three leica tca1100 laser total stations are utilized to trace and measure the center of the three reflecting prisms. the coordinates of the three targets could be got by translation and rotation of reference - system. 3
激光測量方法：採用三臺激光全站儀，動態跟蹤並測量饋源艙上三個棱鏡中心點的坐標，並通過坐標變換得到饋源艙的位置與姿態。An improved method for measuring refractive index of prismatic materials
精確測量棱鏡材料折射率的改進方法The outcome suggest that, firstly, the change of light transmission with the continuous change of parameters is periodic ; secondly, as far as the degree of effect is concerned, the light transmission of air - spaced prisms is much more sensitive to the change of the parameters than that of the glue spaced ones ; thirdly, as to the prisms glued with the same dielectric, the effect of prisms whose optical axis parallels to the glued layer is intense than those whose optical axis parallels to the plane determines by the normal of incident face and that of the cut face
研究認為，激光偏光棱鏡的光強透射比隨各參量的連續變化都呈現出一定的周期性；各參量對空氣隙型偏光棱鏡的影響要比對膠合型棱鏡的影響大的多；同種介質膠合的棱鏡，各參量對光軸平行於切割斜面的設計類型比光軸平行於切割面的法線和入射端面的法線所組成的平面的設計類型的影響要大。Abstract : on the basis of analyzing the scan error of a pentaprism, the principle of scan error compensation is put forward, and the quantized formulas and applying method of compensating the scan error are presented
文摘:在分析五棱鏡掃描誤差的基礎上提出了誤差補償原理，並給出了量化補償公式及誤差補償原理的實現方法。Improved method of determining the minimum deviation angle in the esperiment of measuring the refractive indes of glass
在玻璃棱鏡折射率實驗中測量最小偏向角方法的改進Method of taking a clear spectrum and measuring the wavelength of light with prism spectrometer
用棱鏡攝譜儀拍攝清晰光譜測光譜波長的方法Identification of the criterion polynomial for prism spectrograph by improved method of least squares
最小二乘法的改進演算法辨識棱鏡攝譜儀定標多項式Research on preparation of light waveguide with npre - 1 glass has been done. by controlling the time of ion - exchang craft, the author has gotten some light waveguide with different thickness. then, the author observed light mode about these samples by means of prism - coupling method
6 ）用npre - 1型玻璃激光材料進行了光波導制備的研究，通過控制離子交換時間，得到了不同厚度的光波導，並利用棱鏡耦合法觀察了光波導的模式。Based on the macneille design and the basic principle optical thin film, we improve the extinction ratio of pbs through changing the structure and interference that can erase the p polarizing refractive both on the front and back side
從棱鏡的設計原理和薄膜光學的理論基礎為出發點，通過改變棱鏡的結構形式提高其消光比：利用干涉方法消除了前後通光面p光的反射。分享友人