等反射率 的英文怎麼說
中文拼音 [děngfǎnshèlǜ]
等反射率
英文
isoreflectance-
Under general geological study of exploratory development of coalbed gas and underground gasification of coal bed in eastern depression of liaohe basin, authors apply the basic principle of coal geology and the data of vitrinite reflectance and technical analysis of coal to ascertain that coal classification are dominantely the lignite, long - flame coal and gas coal of coal - bearing upper section of third member of shahejie formation, and then dissertate the variational regularity between coal rank and buried depth in vertical and otherness of vertical limit of coal rank in different coal - rich regions
摘要運用煤田地質學基本理論和煤的鏡質組反射率值及工業分析等有關數據，確定了遼河盆地東部凹陷古近系沙三段含煤亞段的煤種主要為褐煤、長焰煤和氣煤；進而闡述了該煤段垂向上煤級與埋深的變化規律性、不同賦煤區各煤級垂向界限的差異性。Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow
並針對選定參數的mtn液晶盒作了動力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時，引流效應對反射率的影響，並比較指向矢，速度，中間層的傾斜角等參量分佈的情況。To gain a higher precision of retrieval, the method of pixel information decomposition is introduced in. the method is to divide ground objects correspond to a pixel in to several basic components : soil, vegetation, moisture, water, and ice, and then, using remote sensing data, calculate the contents of every components according to the model by which the component ' s spectrum compose
為獲得較高的反演精度，採取象元組分信息分解的方法，將象元對應地物分解為土壤、植被、水分、水體、雪被等基本組分，然後根據這些組分的光譜組合模型用遙感數據計算象元中各組分含量，再根據組分含量反演半球反射率和反照率。Cold rolled, bright annealed and skin - passed, the product has excellent brightness and good reflexivi ty like mirror, used for lectrical appliances, mirror, kitch en apparatus, ornament materials etc
經冷軋后施以光亮退火，並經過平整得到的產品。表面光澤度極好，有很高的反射率。如同鏡面的表面。用於家電產品、鏡子、廚房設備、裝飾材料等。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法，實際標定了所用的探測器和單色儀系統，測得了噴氣靶激光等離子體光源的相對光譜分佈，設計出絕對光譜分佈的測量方法，並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統，完成了多層膜反射率測量工作。According to the parameters such as minimum detectable power, range and reflectivity of simulant target, meteorological visibility and optical efficiency, the maximum range of laser altimeter was figured out by the range - finding equation
將最小可探測功率、模擬目標距離、目標物反射率、光學效率等參數代入最大測程推算方程，得出激光高度計最大測程指標。The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity
在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。The methods and the experimental setups for measuring the gain and noise figure of an edfa are emphasized. we introduce how to measure the characteristics of each component of an edfa, especially the gain and absorption coefficient of an erbium doped fiber ( edf ). thirdly, four types of simple and novel l - band edfa structures with low noise, high gain and low gain ripple are proposed to satisfy the requirement of a dwdm system
基於考慮自發輻射噪聲（ ase ）的giles模型，建浙江大學博士學位論文立了這種edfa的全光增益箱制理論模型;理論和實驗分析了四種可能的光路結構、泵浦波長、光纖光柵反射波長和反射率、泵浦功率以及摻餌光纖長度等參t對其箱制特性的影響。This work studied the preparation process of aluminum coating and the factor of the properties of the aluminum coating such as processing condition, pre - treatment, electroplating system, current density, and current efficiency and electroplating time etc. it is shown that alcl3 + lialh4 organic solution system can be fabricated aluminum coating and processing parameter of having high reflectivity aluminum coating is obtained
對鋁膜的制備工藝及影響鋁膜性能的因素如工藝條件、預處理過程、電鍍液體系、電流密度、電流效率及電鍍時間等進行了研究，確定了通過alcl _ 3 + lialh _ 4有機溶液體系可用來鍍制鋁膜及獲得高反射率膜的工藝參數。On the basis of vitrinite reflectance, organic inclusions and organic geochemical study, we can built the tectonic basin - mountain formation system, analyze the uniformed temperature - pressure field and tectonic stress field of undergroud fluid, and therefore recover the process of basin - range coupling
藉助盆地中有機質的鏡質體反射率、有機流體包裹體、有機地球化學指標等參數可分析建立盆山構造地層體系和統一的地下流體溫度、壓力場及構造應力場，最終反演整個盆山的耦合歷程。In this paper, a new theoretical model is established for optical fiber pumped by broadband laser. using the new model, we have analyzed the influence of longitudinal - mode number, bandwidth and line - width of pumping source on sbs reflectivity, and pointed out the monochromaticity of pumping laser has obvious affect on optical fiber conjugator
成功解釋了激光線寬、縱模間隔與數目對光纖中sbs過程的影響，並通過數值計算分析了sbs閾值、反射率、相對穩定性、保真度等性能參數隨著注入激光能量、脈寬以及光纖長度、芯徑的變化趨勢。To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +
為了對多普勒天氣雷達的回波信息（包括強度、徑向速度和速度譜寬）進行加工、計算和處理，本文根據南京氣象學院在天氣雷達方面的長期研究積累，同時借鑒其他國內外先進的天氣雷達產品的演算法，結合我國氣象業務應用的要求，對多普勒天氣雷達的氣象產品（組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風廓線等）進行工程化設計。On the basis of this, the effective reflective index with the variation of the carrier density is discussed. this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic. especially, the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region
在此基礎上，研究了每一段等效反射率譜曲線隨載流子濃度變化的情況；分析了邊界相位的不確定性以及激光器腔長對閾值特性的影響；重點討論了其中一段工作在吸收狀態下的波長調諧性質。Furthermore, the variation of sbs performance parameters, such as threshold and reflectivity, with parameters of pumping laser and multi - mode optical fiber has been researched by analysis of the numerical solution. experiments have also been operated in ld - pumped solid - state laser system with high - repetition more than 100hz and narrow pulse - width between 15ns and 47ns. the experimental results agree with calculated results by the theoretical model
第三章在重復頻率100hz 、脈寬15 47ns可調的dpl系統中，實驗研究了不同芯徑、長度的光纖在不同能量、脈寬的激光泵浦下sbs閾值、反射率等性能參數等變化趨勢，實驗結果和理論分析一致。Finally, we choose the proper ccd camera by the analysis or the calculation of the characteristic of the atmosphere, the reflection rate from the object, the dexterity of ccd camera and so on
通過對大氣特性、目標反射率、 ccd器件靈敏度等的分析和計算，選定ccd相機。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。Abstract : the optical admittance of a single - layer film is derived from the characteristic matrix of the film pile. based on the single - layer, recurring layer by layer, supercomposing one by one, deriving the equivalent admittance of the film pile and calculating the reflect coefficient of the amplitude, the reflectivity and transmissivity of hte whole film system is derived at last
文摘:根據膜堆的特徵矩陣，求出單層膜的光學導納，在單層膜的基礎上，進行層層遞推，疊加起來，求出膜堆的等效導納，計算振幅反射系數，最後求出整個膜系的反射率、透射率。The characteristic of surface radiation, energy balance, albedo, bulk momentum transfer coefficient cd and bulk sensible heat transfer coefficient ch between surface and atmosphere over rainfed field are analyzed based on the data of land - surface process field experiment in the dingxi arid meteorology and ecological environment experimental station
利用中國氣象局蘭州乾旱氣象研究所定西乾旱氣象與生態環境試驗基地取得的地氣相互作用觀測試驗資料，分析了地表輻射、地表能量平衡、地表反射率、總體輸送系數等特徵。In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained
首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析，在對比了龍格庫塔法和傳輸矩陣法這二種常用的分析方法的基礎上，選擇傳輸矩陣法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反射譜譜寬、反射率極值、時延、色散等特性的相互關系及影響。After spectral data processing, remote sensing reflectance data of red tide are got, whose dominant species are leptocylindrus danicus, chattonella marina, skeletonema costatum and mesodinium rubrum respectively. section 3. 1 gives the data processing steps, results and biological details of the dominant species described above. method of extract spectrum absorption parameters such as absorption depth, width, symmetry and area is given in section 3. 2
對所獲光譜數據進行處理，得出了丹麥細柱藻、海洋褐胞藻、中肋骨條藻、紅色中縊蟲等不同優勢種類赤潮水體的遙感反射率光譜曲線；上述數據處理步驟、數據處理結果以及不同赤潮種類的生物特徵在本章的3 . 1節給出。分享友人