均勻光線 的英文怎麼說

中文拼音 [jūnyúnguāngxiàn]
均勻光線 英文
uniform light
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優點,故既可以精確表示直段、二次多項式曲段又可以精確表示圓弧、橢圓弧等二次曲以及心臟、雙紐等超越曲。特別地, 3次t - b樣條曲曲面比同階b樣條( c - b樣條)曲曲面具有更高的滑度。
  2. In a uniform medium light travels in straight lines.

    介質中沿直傳播。
  3. Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate

    傅里葉轉換紅外吸收( ftir )譜儀、 x射衍射( xrd )儀和掃描電鏡( stm )的測量結果顯示,基底上的bn膜中立方相含量很高,且晶粒大小、排列緻密,晶形呈規則的四角和六角形。
  4. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階極化的拍頻效應,考慮了抽運束為窄帶寬或寬帶寬的情形.發現其對能級分裂的測量精度決定於學躍遷的增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度
  5. In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed

    摘要自散焦介質中雙束斜入射耦合能發生束偏轉,通過數值模擬發現在非性折射率不是分佈時束偏轉能降低抽運功率並且偏轉角度不減小,在相同的功率條件下,能產生更大的偏轉。
  6. Research and implementation of curved ray tracing for inhomogeneous atmospheres

    追蹤在非大氣現象模擬中的研究與實現
  7. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    的輻射和強度理論,我們計算出了獲得足夠圖像強度所需的最少源;用圖像分割理論,我們在試紙條傾斜放置或有垂直方向上的偏移時,準確地提取出了各模塊的數據;用平滑濾波和值濾波理論,我們濾除了由於反應不及硬體設備不穩定帶來的噪聲;用交遇區設計性分類器的方法,我們降低了有限樣本設計性分類器帶來的誤差,提高了檢驗準確度。
  8. Energy efficient and an even distribution of light

    高效節能,平和,照射
  9. Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth

    文摘:研究了級聯三能級系統中的相位共軛極化拍頻譜術.發現其對能級差的測量精度決定於學躍遷的增寬.在符合拍頻條件時,兩獨立源拍頻的頻差可以超出激寬,激絕對頻率的測量精度可達到與激寬同一量級
  10. The virtual team agreed to monitor and share information on events at each post that may be of interest to others in the network. in terms of results, we were pleased to note that two of the major cellular operators from taiwan visited the canadian pavilion to find advanced telecommunications technology

    每個燈箱內含3個tir destiny cw colorwash發體,能夠將色彩多變的地照射在每個燈箱內部,使每扇窗戶都變成巨大的彩色「畫素」 。
  11. From the analytical point of view, with the aid of the numerical simulation, we investigate the propagation properties of optical pulses for the nonlinear schrodinger equation in picosecond regime, the higher - order nonlinear schrodinger equation in femtosecond regime, the nonlinear schrodinger equation with varying gain / loss and frequency chirping in homogeneous optical fibers, and ginzberg - landau equation that describes ultrashort pulses in the presence of self - frequency shift, respectively

    本文從解析的角度出發,同時藉助各種微擾理論和數值分析方法,分別研究描述皮秒脈沖傳輸的非性薛定諤方程、飛秒脈沖傳輸的高階非性薛定諤方程、非纖中脈沖傳輸的含有頻率啁啾和增益損耗項的非性薛定諤方程以及描述超短脈沖傳輸的ginzberg - landau方程的解的特性,為進一步實現超高速、大容量的信息傳輸提供一定的理論依據。
  12. Through the methods of reflection refraction and accumulation the light could be well - proportioned to be the best way of transmission from light - line to light face

    通過對的反射、折射和累加達到的平面發效果,用最快捷的辦法實現源到面源的轉變。
  13. It proves that the accuracy of the obtained photon fluence by this kind of method is acceptable. overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper. it provides the technological support to calibration of detectors for physical diagnosis in nuclear exploding

    簡而言之,通過嚴格的實驗研究和理論計算,本文測得了12mv脈沖加速器的x射譜和liftld對較寬能區的中子的let效應因子值,並通過研製的固體電離室測得了脈沖加速器和脈沖堆輻射場的子注量,解決了幾個相關的技術難題,為核爆診斷探測器的標定提供了技術支撐。
  14. The non - absorbable surgical suture ( medieal silk suture ) usage : operations of cutis, subcuticular, and orthopedies. made from natural silk, the suture is high tensility, even and can be easily knotted

    非吸收性外科縫(醫用絲)是天然蠶絲製成,抗張強度好,滑,打結容易牢固可靠,適宜於皮內、皮膚及整形外科手術縫合。
  15. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用譜儀檢測分析等離子體的可見譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積的溫度場區,甚至獲得大於基片臺尺寸的溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman譜、 x射衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  16. Various kinds of carbon steel, alloy steel, stainless steel, 90 and 180seamless elbow, sharp bend elbow, plate tube, concentrated pipe and all kinds of pipe fitting made by of company with intermediate frequency induction heating bending shaping craft are features in smooth surface both in inside and outside, even thickness of pipe wall and other advantages, and our products are proved by state science technology commission, national ministry of labor and other authoritative department after the quality inspection that the products of us conforms to the national standard and different standards of different industries

    公司採用中頻感應加熱推製成型工藝,生產的各種碳鋼合金鋼不銹鋼90 180無縫彎頭,急彎彎管盤管集合管及各種管道配件具有組織緻密,內外表面滑,壁厚等優點,經國家科委勞動部等技術權威部門對技術進行檢測符合中華人民共和國國標及各行業標準。公司自行設計製造了3條推製成型流水,可生產18 - 630的各種材質壁厚無縫彎頭。
  17. This paper analyzes the optical characteristics of fiber grating according to the theory of mode - coupling in nonsymmetrical optical wave - guide, which affords the gist for the testing of optical characteristics and tuning characteristics of fiber grating. moreover, we deduce the linear relationship between reflected wavelength shift of fiber grating and vertical displacement of cantilever beam which the fiber grating is sticked on

    論文根據非波導中的模式耦合理論,分析討論了柵的學特徵,為柵的學特性和調諧特性的測試提供理論依據;並根據材料力學原理推導了柵波長漂移量與側向位移的性調諧關系。
  18. In the image preprocessing that includes image smoothing and linear gray level transformation, the author brings forward a mended linear gray level transformation based on mean of gray value to enhance the image contrast. in the segmentation the paper presents an arithmetic taking the area of the pointers and construction feature of the water meter into consideration, which can extract the part of pointers in the special space of the water meter, and then binarizes image using a dynamic threshold based on the area of the pointer. the design can enhance the recognition rate for the next step

    在預處理中提出了一種基於灰度期望的分段性變換;對水表的圖像分割,提出基於面積和結構信息的二值化自動分割,包括基於結構和灰度特徵的哈夫變換分割法(指針信息區的提取)和基於指針面積的特徵的閾值分割(指針提取) ;針對指針圖像的非照、背影等干擾,提出基於多特徵的分區模板匹配法對指針的方向進行識別,從而計算出讀數。
  19. The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail, and the explicit soliton solution on continuous wave ( cw ) background is presented, and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed, and inelastic interaction for the vector solitons is also investigated

    具體研究如下三個方面的內容:周期分佈放大系統中孤子的傳輸特性和相互作用;在非零邊界條件下孤子解的存在形式並解釋非纖中脈沖的調制不穩定性以及孤子在連續波背景中的傳輸特性;討論多個場同時在纖中傳輸的耦合非性薛定諤方程並詳細研究孤子間的非彈性相互作用。
  20. Based on the coupled mode theory, the reflect spectrum of ofbg is derived. the influenced of grating length, coupling coefficient and chirp coefficient to the maxium reflectivity and reflection bandwidth of ofbg are discussed in details. we find that under weak couple conditions ( the couple coefficient k < 1 ), the reflect spectrum of an ofbg approximately has a characteristic of sa2 ( x ) shape, which matched to the power spectrum of an optical communication signal

    本文在利用耦合模理論對性啁啾變跡柵( ofbg : opticalfiberbragggrating )的反射譜進行分析的基礎上,發現弱耦合條件下(耦合系數1 ) ,ofbg的反射譜具有類似與sa ~ 2 ( x )函數的分佈特性,從而創新提出利用ofbg對纖通信系統中放大器的ase噪聲進行匹配濾波的設想。
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