均勻光 的英文怎麼說

中文拼音 [jūnyúnguāng]
均勻光 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) ...
  1. The research of chromatic dispersion characteristic in inhomogeneous optical fiber

    均勻光纖中色散特性的研究
  2. The hualu brand anatase titanium dioxide we offer has high chemical stability, even particle size distribution, and excellent tinting strength. it is well accepted by customers in more than 20 provinces across china and widely used as pigment and filling in coating, rubber, paper, plastic, printing ink and other related products

    該裝置生產的「華綠」牌銳鈦型ba01 01鈦白粉是一種優質白色原料,化學性質穩定,粒子細小學性能佳,著色力高,廣泛應用於塗料橡膠造紙塑料油墨等行業,產品暢銷全國20多個省市。
  3. Study on license plate binarization method under nonuniform illumination

    均勻光照下車牌圖像二值化研究
  4. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法,實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面,本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  5. Solder bar is made from high purity metal. by means of strict qualitg control the oxide and metallic and non - metallic impnrities and effectively minimized, the available high purity solder bar is with uniform and glazed surface good wetting and spreading ability after molten bright joint and minimum oxide residue after soldering. our product is suitable for wave and handwork soldering with high quality requirement

    本公司生產焊錫條採用高純度金屬原料,在嚴格品管條件下,有效控制氧化程度以及金屬和非金屬雜質含量,焊錫條表面均勻光滑,純度極高,熔化后流動性好,潤濕性極佳,焊點亮,氧化渣物極少發生,適用於高品質要求的各種波峰焊和手工焊。
  6. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何學的基本規律以及度學的基礎理論等三方面,研究了單纖維在平行均勻光束垂軸入射時的學性質.分析了單纖維反和透的特徵,強分佈及反射、透射和散射的相對大小;討論了在近場和遠場條件下,漫反射和透射強的不同規律;通過實驗驗證了遠場時,纖維的漫射強度與纖維直徑成正比的關系
  7. Furthermore, we analyze fiber bragg grating of a constant refractive index modulation and period, found the coupled - mode equations that describe interactions between the forward - propagating guided core mode and the backward - propagating guided core mode itself

    並用耦合模理論對最簡單的均勻光纖布拉格柵進行分析,建立其耦合模方程,並給出解析解。
  8. No. in fact, automotive paints worldwide contain silicone as an ingredient to help the paint to spray and flow more smoothly

    不是。實際上,汽車漆面都包含硅樹脂,它可使漆面看起來更滑。
  9. 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線性薛定諤方程、飛秒脈沖傳輸的高階非線性薛定諤方程、非均勻光纖中脈沖傳輸的含有頻率啁啾和增益損耗項的非線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。
  10. In fixing stage, the ions in crystals move to form an ionic grating that compensates the electronic grating at elevated temperature. in developing stage after cooling crystals to room temperature, a homogeneous illumination erases the electronic grating and brings out the ionic grating

    定影是通過加熱記錄了體全息柵的晶體使晶體中的離子運動並去補償記錄信息的電子柵,形成與電子柵互補的離子柵;顯影是在室溫下用均勻光束照射晶體以擦除掉電子柵,得到離子柵。
  11. According to fourier analysis theory and the results of coupling theory of uniform fiber grating, the spectral characteristics of sampled fiber grating is studied theoretically and the formula about its overall envelop, peek interval and the number of these peaks are obtained

    摘要運用傅立葉分析與均勻光柵耦合模理論的結果,對取樣柵的譜特性進行了理論研究,得到取樣柵反射峰包絡、反射峰間隔和反射峰數量的理論計算公式。
  12. In this paper, on the basis of increasingly mature fabrication technologies of planar integrated waveguide and the optical fiber grating, we make use of not only the ( de ) multiplexing and wavelength router characteristic of arrayed waveguide grating ( awg ), but also the dispersion peculiarity of uniform fiber bragg grating ( ufbg ). then a kind of dispersion compensator, which can compensate the dispersion of the optic signal in every channel in the wdm system respectively, is devised. the method makes the compensation efficiency maximum theoretically

    本文結合近幾年來日益成熟起來的平面集成波導製作工藝和柵製作技術,利用陣列波導柵( awg )的復用特性和波長路由選擇特性與均勻光柵( ufbg )的色散特性,提出了一種能對wdm系統中各分波信號分別進行有針對性色散補償的補償器件,該器件使wdm系統中各分波信號所得到的色散補償在理論上達到很高效率。
  13. 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

    非吸收性外科縫線(醫用絲線)是天然蠶絲製成,抗張強度好,線徑滑,打結容易牢固可靠,適宜於皮內、皮膚及整形外科手術縫合。
  14. Xining clipped wool ( tebetan sheepwool ) is of subwhite colour , strong tension , excellent resilience , long and even fibre , bright lustre and durability 。 it is the best material for super carpets

    西寧毛:西寧毛(藏系綿羊毛) ,呈亞白色、拉力強、彈性好、纖維長而澤好、堅固耐磨,是製作高級地毯的最佳原料。
  15. Specimens considered had relatively uniform, smooth features.

    所考慮的試件具有比較滑的特點。
  16. 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

    論文根據非均勻光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線性調諧關系。
  17. 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線性變換;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) ;針對指針圖像的非均勻光照、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。
  18. The images to be processed is obtained in condition of nonuniform illumination. a threshold surface by interpolating zero - crossing points is used to segment image to avoid influence of nonuniform illumination. then the destination region can be detected using the method of pattern recognition and the method advoid the influence of nonuniform illumination effectively. the contour description is obtained by fitting at least squares principle

    論文在分析當前圖象分割的現狀和趨勢的基礎上,採用基於log運算元的動態閾值選取對圖象進行分割,以克服非均勻光場給圖象分割帶來的影響,然後通過對區域特徵的提取和分類準則的確定,準確識別出目標區域。
  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均勻光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非線性薛定諤方程並詳細研究孤子間的非彈性相互作用。
  20. 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柵的結構及其特性后,著重從柵耦合波理論導出了均勻光柵在反射帶隙( 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柵的相關參數。
分享友人