波的折射 的英文怎麼說
中文拼音 [bōdezhéshè]
波的折射
英文
wave refraction-
The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind
研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。Variscite helps with recalling past lives and is considered to be an excellent meditation stone. it balances the central nervous system and eases depression, fear, worry, anxiety and impatience
磷鋁石的折射率點測值較低,只有1 . 57 ,磷鋁石在長短波紫外線下均會出現惰性弱綠色熒光。Ignored the amplified spontaneous emission ( ase ) and esa, rate equations and propagations equations for continuous wave er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were calculated using runge - kutta algorithm. propagation characteristics of signal and pump light in the waveguide were analyzed too
利用fd - bpm法,對在平板波導以及波導折射率為漸變折射率分佈的溝道波導和掩埋型波導內傳播的波長為980nm的泵浦光和1540nm的信號光的光場進行了模擬。The refractive index ( at 632. 8nm ) of cbn thin film with 92. 8 % cubic phase content is measured to be2. 19 by ellipsometer
用橢偏儀測得,對于波長為632 . 8nm的光,立方相含量為92 . 8的氮化硼薄膜的折射率為2 . 19 。But an alternative simpler method is through the proton exchange ( pe ) process at lower temperature. pe waveguides exhibit larger increment of the index and lower waveguide loss than ti indiffusion waveguides. however, pe waveguide devices have n ' t been fully mature
質子交換與傳統的鈦擴散工藝相比製作十分簡單,制備的波導具有較高的折射率增量、較小的波導損耗、較強的抗光折變能力,不但能大大降低成本而且還可以提高性能,但是質子交換波導器件目前尚未成熟。Water waves approaching a sloping beach provide us a conspicuous illustration of the phenomenon of refraction.
向傾斜著的海灘接近的水波為我們提供了一幅明顯的折射圖像。Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc
應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基,地震勘探可以檢測其回填處理效果對于隧道工程,可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度,可以準確推算地基的承載力動彈模量等力學參數。Prediction - verification method determining the refractive index profile for ion - exchange planar waveguide
確定離子交換平面波導折射率分佈的預測-校驗法This formula shows the change of the light transmission with the continuous change of incident angle and azimuth angle of incident light, and the refractive index of the glue and thickness of the glued layer of the prisms. the effect of wavelength is also studied
解釋了激光偏光棱鏡的光強透射比隨光線的人射角、方位角、膠合層介質的折射率及膠合層的厚度的變化關系,還討論了人射波長的影響。Abstract : based on two order approximation of the variation of refraction index produced by self - action while optical pulses are traveling in kerr - medium, the propagation equation has been solved. furthermore, the strict analytical expressions of the amplitude, width and chirp parameter of chirped gaussian pulse, relative to the propagation distance, are deduced. the solitary wave traveling conditions of fundamental mode gaussian pulse have been discussed
文摘:將光脈沖在克爾介質中自作用產生的折射率變化作二階近似,求解所得到的傳播方程,得到啁啾高斯脈沖幅度,脈沖寬度和周啾參數隨傳播距離變化的嚴格解析解,討論了基模高斯脈沖孤波傳播的條件。According to different water phenomena, we use two different method to produce waves source : the first method is by specifying the boundary conditions and initialization conditions, this method simulate the dam breaking, reflection and diffraction of water waves ; the second method is by specifying disturbance model, this method simulate water droplets, waterfall, waves of ship ; in the first part of this thesis, we discuss the prevalent methods of the simulation of water scenes, in the second part of this thesis, we describe the numerical methods of solving the shallow water equations using the finite difference method and the finite volume method respectively, in the third part of this thesis, we simulate some realistically liquid phenomena such as rain droplets, the waves of ship, dam breaking etc
產生水波首先要有波源,設置不同的波源便可以得到不同的水流情形,我們用兩種方法來產生波源:一種是通過設置邊界條件和初始條件產生,這種方法用於模擬潰壩波的反射、折射等現象;另一種是通過擾動控制產生,這種方法用於模擬雨滴、瀑布、船波等自然現象。本論文的第一部分我們討論了目前水動畫模擬常用的幾種方法;在第二部分討論了我們所使用的兩類數值方法:有限差分方法和有限體積方法;在第三部分我們模擬了雨滴、船波、潰壩波等一些水流現象。This modulator works with the guided - wave reflectance peak, in which the light intensity is changed by the variation of the refractive index of poled polymer due to the electro - optic effects. device performances have been theoretically and experimentally investigated. we also successfully carried out experiments of video signal transmission using the proposed modulator
該調制器工作于金屬包覆波導的衰減全反射導模吸收峰,利用極化聚合物電光材料的折射率對導模吸收的影響來實現電光調制,並對器件的性能指標進行了實驗研究,同時利用製作的反射型電光調制器進行了視頻信號良好地傳輸實驗。Through power transmission, prism refraction and beam shifting experiments, various electromagnetic characteristics, such as refractive index, loss and s parameters, and various shaped left - handed material samples could be measured and verified between each other. 2. the beam shifting experiment is designed and realized to further verify the lh properties
通過功率透射、棱鏡折射和波束位移三種實驗平臺,可以對多種形狀的異向介質材料的折射率、損耗等電磁特性進行準確的測量和相互驗證; 2 、提出了波束位移實驗以進一步驗證介質材料的特性。As the values of wave factors in period of reoccurrence were deduced for many significant propagating direction in the yangtse river estuary, the wave reflection - refraction modeling is employed in terms of the equations with the slowly varying topography, and the influence on the effects of the channel and shoaling is included in this model. at the same times, the effects of the bottom friction and wave breaking are also considered, but the local wind field and background flow are ignored
在推算長江口深水航道幾個主要波向的重現期波浪要素值時,採用了基於緩坡方程的波浪折射?繞射模式,該模式考慮了航槽和淺灘對波浪的影響,同時也考慮了底摩擦和波浪破碎對波浪的作用,但未能考慮局地風場和流場的作用。The details are described as follows : 1. the photonic bandgap theory based on total internal reflection ( tir ) pcfs filled with by high index material ( nlc ) is proposed for the first time. based on this theory, the effects of nlc - filled tir - pcfs on the transmission mechanism and propagation properties are studied using plane - wave method and full - vector fem
主要研究內容和成果包括以下基本方面: 1 、首次提出基於填充高折射率介質(液晶)的折射率引導型pcf的光子帶隙理論分析方法,在此理論的指導下,採用平面波展開法和有限單元法研究了填充對光纖傳導機制和傳輸特性的影響,研究結果表明液晶填充可以實現光子晶體光纖導光機制的轉變。Reflection and refraction of elastic waves at a unilateral contact interface between two generally anisotropic media
一般各向異性單側接觸界面上波的反射和折射We describe three static methods : field primary static correction, refraction statics and automatic residual statics, and then introduce the principle of the three static methods. second, the dissertation gives the method of elevation statics, calculating static values by using minor refraction data, first - break pickup method and residual technique
其次,重點闡述了1 、野外靜校正方法中地面高程校正的過程、利用小折射測量數據計算低降速帶靜校正量的演算法; 2 、應用現有的折射波靜校正軟體進行初至拾取及靜校正量計算的操作要領; 3 、自動剩餘靜校正多次迭代技術。Solving the static correction problems under complex near - surface conditions is a systematic engineering. first, careful field weathering investigation must be done, then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods, finally, reflection statics methods are used iteratively to solve the residual statics problems. to solve serious static correction problems in complex near - surface areas of western china, different refraction first - break statics methods are studied in this thesis. the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies
本文針對目前西部油氣勘探中迫切需要解決的復雜地表區靜校正技術難題,對初至折射波解決二維和三維長、短波長靜校正問題的正反演方法進行了深入的研究和探討,研究內容主要包括( 1 )水平層狀和傾斜界面折射波的傳播規律,為后續的折射靜校正方法研究奠定理論基礎; ( 2 )二維復雜層狀介質地震折射波正演方法,該方法可適用於折射面起伏不大、低速層和折射層速度變化不大的情況。Finite difference method can deal with regular boundary conditions. in this paper, we discrete the water domain into rectangular meshes, and simulate the propagation, reflection and diffraction of water waves. we just specify waves source, the movement of water waves can be simulated automatically
有限差分方法能夠處理具有規則邊界水域的水流現象,在本文中,我們把求解的水域離散成結構矩形網格,對水流的折射、反射、繞射等水流現象進行了動畫模擬,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由數值方法產生,不需要人工的干預。Firstly, much effort is put into the theoretic analysis and numerical algorithm research. to calculate the mode profile of soi rib waveguide with jumps in the refractive index, a new full - vectorial finite - difference method ( fdm ) based on the lagrange interpolation of the field is presented
由於soi材料中作為波導芯層的硅折射率很大,與作為包層的sio _ 2之間有很大的折射率差,這勢必對模擬數值演算法的精度和邊界處理等方面提出了更高的要求。分享友人