積分光度計 的英文怎麼說
中文拼音 [jīfēnguāngdùjì]
積分光度計
英文
integrated meter- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 光 : 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) ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
-
In order to improve the precision of colorimeters, photoelectricity integral colorimeter principle error emendation is studied
摘要為了提高色差計的精度,對光電積分式測色色差計的原理誤差進行了研究。Bone age plays an important role in the research of pedology and physical training. in the standard of estimating skeletal maturity for chinese ( method of chn scoring ), people who evaluate abstain with the aid of x film imagegrade of bones score, then woke out the bone age. this have caused the shortcoming of the high costly and consuming long time, that unfavorable to the bone age assessment ' s popularization
骨齡在在兒科學和體育科學等領域有著非常重要的作用。在中國人骨成熟度評價標準( chn積分法)中,需要藉助于x光膠片來獲得各骨的等級得分,然後計算骨齡。這樣造成了費用高、耗時長的缺點,不利於骨齡評價的推廣。Ulbricht integrating photometer
烏布利希積分光度計To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍地形和天空散射光均得到適當考慮,計算量又在可接受范圍內。A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件,推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式,研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式,重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示,應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations
第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘性系數趨于零時, ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度估計;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性,以及在某種特殊情形下, gl方程的解趨近於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導數在邊界上的模,證明了整體弱解的存在性。On the aspect of the research of the rcs computation methods, this dissertation did many work as : it discussed the application of the stationary phase method for the integral of the physical optics and gave the expressions of the stationary phase method based bezier surface for the perfect conduct and coated target ; focused on the application of the stationary phase method, it discussed some important techniques such as the searching of the stationary phase method and the handling of the singularity ; it also discuss the application of the gauss method for verifying the correction of the stationary phase method, and gave their compares of the efficiency and the precision
在rcs演算法研究方面,本文做了以下研究:討論了在bezier曲面上物理光學積分的駐相法求解,給出了bezier曲面上理想導體和塗敷目標駐相公式;圍繞駐相法的應用,討論了駐相法應用中的一些關鍵的技術問題,包括駐相點的搜索、駐相法的奇異性;為了檢驗駐相法的精度,還討論了gauss積分的應用,給出了兩種方法計算效率和精度的比較。The transmittance and reflectance spectra of bn films were obtained as a function of incident photon wavelengths, and the thickness of films was measured by alpha - step meter
用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜和反射光譜,用臺階儀測量薄膜的厚度。Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg
本文還研究了立方相含量與光學帶隙的關系,在n型si ( 111 )片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜,薄膜的成分由傅立葉紅外吸收譜標識;用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te ( )和反射光譜re ( ) ,薄膜的厚度用臺階儀測得。Provides industrial i o solutions for measurement and control applications. signal conditioning, pc data acquisition, vme boards, lonworks, and ip modules for analog and digital i o. instrumentation products include transmitters, isolators, and alarms
-代理歐美光學儀器及光學材料:亮度計色度計配光性能光環境測試高吸收發黑塗料高反射材料積分球塗料等。The photoelectric integrating color measurement instrument can obtain the objective tristimulus values via spectral energy integration of the color to be measured by the chromatic detectors, such as the colorimeter and color - difference meter, which have wide application in industrial practice
摘要光電積分式測色儀器通過色度探測器對被測顏色光譜能量進行積分測量,直接獲得目標的三刺激值,如色度計和色差計等,已被廣泛應用於工業實踐。In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method
為使理論計算變得可行,我們在核芯和靶核密度採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分(八重以上,並且積分維數隨暈核子數很快增加)採用蒙特卡洛方法計算。Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets
對于鏡面反射採用物理光學法計算其散射貢獻,結合基於面元的目標模型的表示,採用離散的積分形式,將面電流積分化簡為線積分,簡化計算復雜度;對于邊緣繞射,運用增量長度繞射系數理論計算目標邊緣繞射場;在多次反射中,則以光線跟蹤方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。It is well known that for an optical pulse, its distribution in time domain is infinite. but only a limited time window width t _ ( w ) may be selected in numerical calculations because of the limitation of the microcomputer. therefore, the selection of t _ ( w ) is also a key aspect that should be considered carefully in numerical simulations
基於此,本文提出了利用分步傅里葉方法計算光脈沖在光纖中傳輸時間窗口的選取方法,給出了正確模擬光脈沖通過不同長度的光纖后光脈沖的變化所要選取的時間窗口(即計算過程中所取的積分上下限之差) 。Among these methods, magnetron sputtering is the most widely used technique for preparing thin films owing to its high deposition rate and good uniformity etc. in my experiment, zao films were prepared by dc magnetron sputtering in pure argon gas atmosphere using zno target mixed with al2o3 ( lwt %, 2wt %, 3wt %, 4wt % respectively ) and the films were figured by xrd, sem, xps, afm and ftir, uv photometer
本研究課題以氧化鋅鋁靶為靶材,採用直流磁控濺射工藝在純氬氣氣氛中沉積zao薄膜。靶材中al _ 2o _ 3的摻雜比例分別為1 、 2 、 3 、 4 。用xrd 、 sem 、 xps 、 afm和紅外、紫外分光光度計等測試手段對沉積的薄膜進行了表徵。Study method of sediment color reflectance in shelf has been established based on lots of investigative studies, obtained more than 7000 units of data of color reflectance using minolta cm - 2002 spectrophotometer from 165 cores in the yellow sea and the east china sea, illustrated the distributional rules of color reflectance in sediment of the shelf of south yellow sea, the shelf of north east china sea shelf and okinawa trough for the first time
本論文基於大量的實驗研究,建立了陸架沉積物顏色反射率的研究方法。利用minoltacm - 2002光譜光度計測量了黃海、東海海區的165個巖心樣品,獲得了7000多個有效的顏色反射率數據,首次給出南黃海陸架、東海陸架北部、沖繩海槽等海區沉積物的顏色反射率分佈規律。To improve the data sampling velocity o f ccd, and take account o f the match of the ccd and the illumination of the lamp - house, the max integral time of the ccd was calculated in the thesis ; thus, the proper integral cycle is determined
為了盡可能地提高ccd的採集速度,同時兼顧ccd和光源的照度匹配,文章計算了ccd的最大積分時間,從而為ccd確定一個恰當的積分周期。Fiber optic gyro ( fog ) inertial system provides angular velocity and acceleration measurement of measurement body along three axes, based on the attitude matrix refreshed by outputs angular velocity to transform the acceleration from the body frame to the earth frame, finally through acceleration integral we can get the position of the measurement body in the space. fog is popular in the navigation field for many advantages, such as wide dynamic range, high resolution and all solid components
該測量方法利用捷聯式光纖陀螺輸出的角速度和加速度信息,測出運載體沿三個方向的加速度分量;再利用光纖陀螺輸出的角速率信號,不斷更新測量體的姿態轉換矩陣,將加速度分量用轉換矩陣更換到地理坐標系;最後經過計算機對轉換后的加速度信號積分運算分別可得到運載體在三維空間中的位置。In this paper, zno and aln thin films were prepared by magnetron sputtering method, the films were figured by xrd, sem, xps, afm and ftir, uv photometer
本文採用磁控濺射方法制備出高質量的zno和aln薄膜,用xrd 、 sem 、 xps 、 afm和紅外、紫外分光光度計等測試手段對沉積的薄膜進行了表徵。On the other hand, the multi - level fast mutipole algorithm ( mlfma ) which based on the integral equation method can obtain the result with great accuracy, but this method accounts in all the couplings between every sub - scatter objects, it needs much more to store all of the information, and because of the rigorous integral on the spectrum space the computational complexity is also enormous
相對於一些傳統的方法如幾何光學方法,幾何繞射方法,彈跳射線方法有著更高的精度和更廣的適用范圍。但是由於其基於積分方程方法,需要對全局中所有的子散射體之間的相互耦合加以考慮,從而導致在求解電大尺寸目標的散射問題時需要巨大的存儲空間。同時由於其在譜域上嚴格積分導致計算量也很大。分享友人