light dispersion 中文意思是什麼

light dispersion 解釋
光分散
  • light : n 1 光,光線;光明,亮光 (opp darkness) Hang the picture in a good light 把那幅畫掛在能看清楚的...
  • dispersion : n 1 分散,散開;散布,傳播;離散。2 【物理學】彌散,色散;【化學】分散作用;被分散物;分散相,分...
  1. The resolution of white light into its separate monochromatic components is called dispersion.

    這種白光分解為各單色成分的現象叫做色散。
  2. At first, bubble flow image is acquired using laser and incandescence lamp respectively as light source and using ccd. according to different optics - dispersion character, threshold segmentation method is proposed to identify gas from the gas - water flow, which make steadfast base for further calculate void fraction. the precision of threshold directly affect the calculate precision of void fraction

    文中分別採用激光片光源和影視燈照明,採用逐行掃描數字ccd攝像機獲取氣泡的流動圖像;根據氣泡和水對光的反射特性不同,提出採用閾值法識別圖像中的氣泡和水,從而為進一步計算摻氣濃度打下堅實的基礎。
  3. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  4. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線,研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時,由於低階色散和高階色散引起的脈沖展寬和形變。
  5. We transformed the nonlinear equation of the light - wave envelope in lossy dispersion - managed optical fibers and obtained numerical curve of the equation with the use of mathematical software, then the approximate solution was found by fitting of the curve, also the envelope propagation of the quasi - soliton was analysed

    摘要對有損耗的色散光纖中光波包絡的非線性方程進行變換,藉助數學軟體得到非線性方程的數值曲線,並通過對曲線的擬合得到方程的近似解,對色散管理類明孤子的傳輸進行了分析。
  6. Second, negative dispersion without absorption, which leads to superluminal light propagation, is achievable in the central resonance structure of the dispersion spectrum. the negative dispersion is slightly weakened as the spacings between dressed states increase

    其次,在色散光譜的中心區域,呈現出無吸收負色散,這種效應能夠導致超光速傳播,但它隨著修飾態間距增加而減弱。
  7. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了電離層的三種影響:信號經過電離層傳播的群延遲引起的成像偏移;電離層的色散效應給線性調頻信號帶來二次相位誤差,導致圖像退化、失真;以及電離層的閃爍、湍流等不規則性引起的信號相位起伏。在此基礎上,比較分析了不同波段、帶寬條件下電離層的影響。
  8. The optical switch with double - heterostructure gaas / gaalas has low switching - voltage and light loss. and the boa - type optical switch utilizes maximum modal dispersion ( a p ), does not require a specific fabrication length or length range to operate, has simple structure, and can exhibit very high extinction - ration from its two output ports ; so it is suitable for a 2 x 2 unit of optical switch array

    而boa型結構(或稱為零間隙定向耦合型)光開關利用了最大的模色散( ) ,不需要嚴格控制特殊的製造長度或製造范圍,結構簡單,從其兩個輸出端可以得到很高的消光比,是一種很好的2 2波導型光開關單元,同時也是光開關陣列的一種較好的選擇。
  9. Typical temperature is 800 - 1000 in cvd diamond process, while the high temperature limits its application in optical window and coating such as gaas, zns etc. low temperature can not only make diamond crystal nucleus finer, reduce surface roughness of diamond films and lessen light dispersion, but also eliminate thermal stress

    化學氣相沉積金剛石膜過程中,襯底的典型溫度為800 1000 ,這么高的溫度限制了其作為gaas 、 zns等低熔點光學材料窗口和塗層的應用。低溫沉積金剛石膜不僅可以使晶粒細化,降低表面粗糙度,減小光的散射作用,而且可以消除熱應力。
  10. On the other hand, a new technology using tunable laser as light source of delay system is proposed, which uses the characteristics of optical fiber material dispersion which means that the refraction index of optical fiber changes along with the difference of transmitting wavelength

    另一方面,提出一種通過採用可調諧激光器作為系統光源的技術,利用光纖的材料色散特性即光纖的折射率隨傳輸波長變化而改變的特點,來改變延時光纖中信號存儲的時間,從而達到提高光纖延遲線延時精度的目的。
  11. In this dissertation, on the basis of researches on the mechanisms of electrorheological effect and the change in microstructure of composite dispersion under the applied electric field. the theoretical analysis to rheo - optic characteristics of an electrorheological fluid under an electric field is first conducted systematically. the light - controlling properties of an electrorheological fluid is ev aluated and an intelligent structure of electrorheological fluids - based smart windows ( erfsw ) is proposed and designed at the first time

    本論文在研究雙相復合懸浮液電流變效應機理,及場致微結構變化特徵的基礎上,首次對電流變體流變光學特性進行了較深入的理論分析,並對電流變體的光學調控特性進行測試,從而首次提出並設計了光學特性動態可調的電流變體靈巧窗( electrorheologicalfluids - basedsmartwindow , erfsw )智能結構,為電流變體應用研究提出了一條新思路,開拓了電流變體在靈巧窗智能結構等方面的應用。
  12. This equation can completely describe light pulse transmission actions under numerous circumstances including the fiber dispersion, attenuation and nonlinearity, and even the polarization state of light

    該方程描述了光脈沖在wdm光纖系統中的傳輸行為,包含了在光纖色散、損耗、非線性效應影響下含有不同偏振態的光信號傳輸情況。
  13. Then, after the structure and characteristic of awg is described in brief, we put emphasis on the deduce of the dispersion equation of ufbgs in the vicinity of its reflection band gap ( rbg ) in light of coupling theory. in terms of this equation, the dispersion compensation of the optical signal in every channel in the wdm system, which has eight channels, is calculated and analyzed theoretically. during the course, some important parameters of ufbgs in the compensator are computed

    在簡要敘述了陣列波導光柵的結構及其特性后,著重從光纖光柵耦合波理論導出了均勻光纖光柵在反射帶隙( rbg )外附近的色散特性方程,並根據這一特性方程,對8通路的wdm系統中各分亡巴八碩士學位論文tinv坯1 : e 』 sthe狠波光信號的色散補償進行了數值計算與分析,由此確定補償器中各均勻光纖光柵的相關參數。
  14. Theoretical prediction of separating performance of a single - cone hydrocyclone for light dispersion separation

    輕質分散相單錐水力旋流器的分離性能預測
  15. The part of optic paths includes optical fiber strain sensor, lamp - house, optical fiber coupling instrument and light dispersion equipment

    光路部分包括光纖傳感器、光纖、光源、光纖耦合器以及設計的解調光路部分。
  16. It includes driving circuits, signal processing and displaying circuits of ccd. in the system designing , the plane reflect grating is adopted to dispersion light. it can decrease losing of light energy

    在系統設計中,採用了平面反射光柵作為色散的元件,減少了光能的損失,並對組成光路部分的元器件進行了優化選擇。
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