index beam 中文意思是什麼
index beam
解釋
引示射束-
The theoretical expression of the critical angle is acquired, showing that it rises with the increase of the depth and period of modulation of refractive index. also, it increases as the beam width decreases
從理論上得到了該臨界角的表達式，它隨折射率調制周期、調制深度的增加而增大，且光束越窄臨界值越大。 -
The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。 -
The bridge has builded by balanced cantilever construction technique. the beam camber of construction is a controlling index of construction quality control. it is nonlinear, and now is not mature forecasting method
該橋採用節段式懸拼施工法，其施工預拱度的控制是關鍵指標，目前沒有一個成熟預測方法。 -
The propagation and control of soliton in nonlinear kerr optical lattice with harmonic modulation of refractive index are investigated analytically and numerically in this paper. and some innovative research results have been worked out. the forming conditions of lattice soliton from gauss beam and the two modes of its stable propagation are obtained for the first time
本文利用解析和數值方法研究了在具有橫向折射率周期性調制的克爾型非線性光學格子中孤子的傳輸和控制，做出了一些創新性的研究結果:首次得出了高斯光束形成格子孤子的條件和兩種穩定傳輸形式。 -
Portable multiple beam sonar system is mainly used to survey the underwater terrain of huge reservoir. firstly, the thesis introduces the index of performance. secondly, it explains the ranging principle of sonar system, and simulates the processing procedure on computer, gives the beam pattern
本文首先介紹了地形聲吶的設計指標，然後敘述了多波束地形聲吶的測距原理，並對具體的實現過程進行了計算機模擬，給出了定向波束圖案。 -
Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves
在課題實驗條件下，模擬計算了直接檢測dial系統的測量靈敏度。在考慮大氣折射率結構常數對系統測量靈敏度影響的基礎上，並對各種系統參數如光束半徑、束散角和探測距離對測量靈敏度的影響運用matlab程序做了模擬計算，為合理選擇系統設計參數提供了依據。 -
The finite difference beam propagation method ( fd - bpm ) can simulate the performance of the waveguide accurately. single mode rid waveguide structure parameters are derived by variational - effective index method ; fd - bpm and its transparent boundary condition ( tbc ) are concerned, and then the eim used to transfer a 3d waveguide to 2d waveguide is analyzed ; finally we summarize the characteristic of the y branch
本文先利用變分有效折射率法推導出滿足單模傳輸的脊形波導結構參數;接著介紹了有限差分束傳播法及求解的透明邊界條件，同時分析了將三維結構轉化為二維結構的有效折射率法，最後對y分支的特性進行了模擬。 -
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。 -
A new conception " optical ballast " is introduced for the first time as our knowledge. optical ballast can be used to decrease the variation of beam propagation characteristic due to the disturbance of refractive index of the medium. two types of optical ballast are described
（ 7 ）首次提出了「光學鎮定器」的概念，並描述了兩種類型的光學鎮定器，它可用於減弱介質折射率的擾變對光束傳播特性的影響。 -
Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices
文摘:介紹了一個光波導器件計算機輔助分析系統，該系統集成了3個實用工具：光波導有效折射率計算工具，光波導模式求解工具和三維復折射率全矢量有限差分束傳播法模擬工具.本系統用於線性波導器件，模擬光在波導中的傳播過程，從而可以優化設計波導器件，探索新結構器件 -
This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development
本項目就是針對這一瓶頸技術存在的基礎性問題：流場介質折射率變化是影響光學傳輸最直接的因素，即針對光線穿過高溫和湍流、激波等復雜流場作定性顯示和定量測量問題而開展的氣動光學效應地面模擬測試研究工作，為高速攔截彈的發展提供技術基礎。 -
A deep beam model with spring bearing is given, based on the analysis of middle frame of frame and shear wall structure ground floor, which is sensitivity to floor rigidity. comparing rigid assumption to elastic assumption, shear error of frame is worked out, which is index of floor rigidity. conclusions are drawn that floor rigidity is independent of earthquake intensity and the most effect factor to floor rigidity is floor length to width ratio
以樓板按剛、彈性計算的框架柱的剪力誤差值作為衡量樓板剛性的指標，通過對模型進行理論分析證明以往一些只能通過歸納總結得出而沒有理論支持的結論：樓板的剛性同地震烈度無關；通過對影響樓板剛性的各個因素進行分析比較，得出樓板的長寬比是影響樓板剛性的主要因素，而增加樓板的厚度並不是增加樓板剛性的有效途徑。 -
Chapter 2 : the beam propagation of x - ray in an inhomogeneous plasma with a continuous varied refractive index is studied. we emphasize, theoretically and numerically, on the analysis of the effect of refractive index gradient on the beam parameters
第二章：研究了x射線激光光束在折射率連續變化的非均勻等離子體介質中的傳播，從理論和數值模擬上著重討論了折射率梯度效應對光束參數的影響。 -
In photorefractive crystal light illumination changes the refractive index of the crystal due to linear electrooptical effect, which in turn changes the light distribution. as a result of the development of this process, a beam, called the phase conjugation wave, leaves the crystal back along the direction of the incident beam and is its phase conjugate replica
光折變晶體在光輻照下，通過晶體中的線性電光效應而產生折射率隨光強的空間分佈而變化，即在晶體內建立起體相位柵。 -
The characteristic calculation method and interference of thin film are in charter there, we analyze the history and existing state of polarizing beam splitting prism. we deduce the basic macneille pbs equation, which are the refractive index match term and phase match term. at the same time, we calculate the refraction ratio of p polarizing light and s polariz
在第三章中，介紹了薄膜偏光分束鏡的發展歷史和研究現狀，以及macneille薄膜偏光分束鏡的設計原理，即該設計應該滿足的折射率匹配條件和相位匹配條件；計算了中， c波長處p光和s光的反射率。 -
Since the effects of turbulent atmosphere is prominent, this thesis concentrates on the effects of the turbulent atmosphere on the laser beam propagation in the atmosphere. the atmosphere refractive index model, especially refractive index fluctuation, power spectrum, phase spatial structure constant are introduced in the following and the specific structure function is achieved
根據大氣折射率模型，以及折射率起伏功率譜密度和相位空間結構常數，得到具體的結構函數；通過長程情況下的馬爾科夫近似，得到了互相關函數，對數振幅和相位協方差函數。 -
When we were discussing the index of refraction, we saw that an incoming beam of light will make the atoms radiate again.
在討論折射率時，我們曾看到入射光束使原子再輻射。 -
Spr is a physical phenomenon of total intemal reflection ( tir ) of light at the interface between two media when a light beam propagates across such an interface from higher refractive index media to the lower. spr is sensitive to the refractive index of the surface medium. the physical characteristic of spr has been applied to chemo / biosensing in the chemistry and biology
Spr原本是一種物理光學現象，由沿著金屬和介質界面傳播的電磁波所激發而形成的，它對于附著在金屬表面的介質的折射率非常敏感，化學與生物學上利用spr的這個物理特性來進行傳感分析。 -
Beam steering characteristics of liquid crystal optical phased array ( lcopa ) is an important index evaluating its optical performance, and beam steering angle is the direct parameter indicating this
液晶光學相陣列的光束偏轉特性是評價其光學特性的一項重要指標，而光束偏轉角是直接評價這一特性的物理參數。 -
Mode conversion of an optical beam in a nonlinear weakly - guiding elliptic graded - index fiber is investigated. the formulas of mode conversion are given semi - analytically
摘要研究了非線性弱導橢圓梯度折射率光纖中光束的模式變換，給出了模式變換的半解析公式。
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