直接光通量 的英文怎麼說

中文拼音 [zhíjiēguāngtōngliáng]
直接光通量 英文
direct flux
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 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) ...
  • : 通量詞(用於動作)
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 直接 : direct; immediate
  • 通量 : [物理學] flux; shower
  1. Tga. insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by termogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope

    電纜和纜的絕緣和護套材料.用試驗方法.第4 - 1部分:聚乙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測.燃燒測聚乙烯中炭黑和或礦物填料含.過熱重分析法
  2. Pe. insulating and sheathing materials of electric and optical cables - common test methods - methods specific to polypropylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filter content measurement in pe by direct combustion - measurement of carbon black content by tga - assessment of carbon black dispersion in polyethylene using a microscope

    電纜和纜的絕緣和護套材料.用試驗方法.聚丙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測.燃燒法測聚乙烯
  3. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為纖飛秒孤子的模型,過新近建立的mnls孤子微擾理論,研究纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移,以及過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理,然後用mnls孤子微擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,並由此選擇頻率濾波的參數,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼效應及頻率濾波進行了數值模擬,其中頻率濾波參數用微擾理論確定。
  4. The quartenvave film stack based on one dimensional photonic crystal technology is designed. the measurement of the ir band is relatively mutual while that of mmw band is lack of report. the reflectivity of ir area ( 3 - 5 m ) by fourier transform infrared spectrometer ( ft - ir ) is given, and the experimental data of mmw band in microwave network analysis is also given

    本文給出了在傅立葉紅外譜儀中進行的紅外波段透射率(實際是反射率)測結果,在毫米波波段,過自行設計的測試方法與測試系統,給出了在hp8510矢網路分析儀下測得的未鍍膜、鍍膜樣品的比對測試結果。
  5. 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

    摘要電積分式測色儀器過色度探測器對被測顏色譜能進行積分測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。
  6. At present, signal pulses produced by directly modulated laser diodes have been used in optical fiber communication systems. the experiment reveals that the optical pulses from directly modulated laser diodes are far from gaussian and have near - rectangular temporal profiles with much sharper leading and trailing edges, and then a super - gaussian model, which assumes that an incident optical pulse has a super - gaussian profile, may be more suitable

    但在實際的信系統中,人們常採用由調制半導體激器產生的脈沖作為信號脈沖,而實驗結果表明這種脈沖具有比高斯脈沖更為陡峭的前沿和后沿,其脈沖形狀更近於超高斯分佈,並且常還帶有一定的啁啾。
  7. With the modeling versatility in disk geometry and material, the 3 - d hybrid method can simulate accurately the readout of an optical disk with direct investigations on the 3 - d full - wave near - field distribution, the far - field pattern and the readout signal

    基於其在模型設定方面很好的用性,此方法能夠準確的模擬學信號讀取過程,並能夠給出三維近場全矢衍射分佈、遠場矢衍射圖樣及輸出信號。
  8. San shares the storage device through the fibre channel, and breaks up the limitation on distance and capability ; host and storage device can exchange data with each other through the storage network directly, by which it makes lan free its treasure resources to other applications

    存儲區域網( storageareanetwork )以路( fc )為基礎,實現了存儲設備的共享;突破了現有的距離限制和容限制,服務器過存儲網路同存儲設備交換數據,釋放了寶貴的lan資源。
  9. The reflectivity value obtained by calculating the difference between the inclusion and exclusion of specular reflection is a direct measurement of surface gloss

    過計算鏡面反射率的內含和外延的不同獲得的反射率的值是表面澤的結果。
  10. The approach is that we first calibrate the filter radiometer with cryogenic radiometer and measurement equipment of relative spectral responsivity and then calculate the absolute spectral responsivity. because the drift in blackbody temperature directly influnces measurement accuracy, so we adopt a feedback system to stabilize blackbody temperature through controlling the current of blackbody that improves measurement accuracy greatly

    該方法首先要用低溫輻射計及相對譜響應度測裝置對濾輻射計進行標定,經計算可得到濾輻射計的絕對譜響應度;由於黑體溫度的漂移影響到測精度,我們採用反饋系統過控制黑體的加熱電流,來穩定黑體溫度。
  11. The concept of otn node transmission model is introduced. the requirement of otn node transmission model is discussed. this model uses the frequency domain transmission matrix to express the otn node transport characteristics. the simplified model based on wdm and im - dd systems, the relationship between node characteristics and model parameters and measurement of model parameters are also discussed. at last a briefly discussion on how to develop the otn simulation and cad software based on our model is demonstrated

    在線性時不變的假設下,提出利用頻域傳輸矩陣來表示節點傳輸特性的方法給出了oxc和oadm兩類傳送網節點的統一的表示根據目前用的波分復用強度調制檢波系統的特點對復雜的頻域傳輸矩陣進行了簡化並對常所關心的節點主要性能指標與模型參數的關系模型參數的測和計算模型的設計與計算機模擬輔助設計軟體開發的銜問題進行了討論。
  12. The sinusoidal gray fringes are simulated by computer and projected on the object by the liquid - crystal light valve in this method, in with the phase - shifting is controlled by computer. then the deformed fringes modulated by object is collected by ccd camera, so optical 3 - d phase measurement for large - scale object can be realized

    ( b )針對目前大尺寸物體學位相測輪廓中存在的問題,提出一種用液晶閥把模擬正弦分佈及多幅有一定相移的灰度條紋投影到大尺寸三維物體上,過控制計算機在同一位置進行窗口變換,實現相移,進行物體的學位相三維面形測
  13. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz ( 10 ~ ( 12 ) hz )時域譜技術是20世紀90年代發展起來的一種新型的譜測技術,它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源,利用電取樣或電導取樣的方法記錄thz輻射電場的振幅時間波形,過傅立葉變換得到測信號振幅和相位的譜分佈,進而獲得材料在thz波段的復介電常數,即色散及吸收等信息。
  14. Carotenoids can make chla return from excited state to ground state by direct or un - direct quenching, in order to prevent algae from photooxidation. on the other hand, it was indicated that polysaccharides have functions in resisting uv. spirulina plalensis can accumulate both cellular and extracellular polysaccharides during uv treatment, it showed highest uv resistant ability ; nanochloropsis sp also can accumulate cellular polysaccharides, while extracellular polysaccharides reduced ; the cellular polysaccharides content of phaeocystis globosa scherffel decreased and extracellular polysaccharides content did not increased markedly, showing lowest uv resistant ability

    鈍頂螺旋藻和微綠球藻中在較低的uv輻射強度下類胡蘿卜素含升高,而葉綠素a保持相對穩定,說明類胡蘿卜素可能對藻類起到一定保護作用,可能的或間的方式猝滅激發態的葉綠素,來保障合作用的進行;本實驗發現多糖的累積和分泌與藻體的抗uv能力有相關,鈍頂螺旋藻的細胞內和細胞外多糖分泌旺盛,其抗uv能力最強;微綠球藻體內能積累多糖,而胞外多糖分泌減少;球形棕囊藻的胞內多糖含減少,胞外多糖含增加也不明顯,其抗uv能力最弱。
  15. It processes these data that gathered from the optical measurement system or other 3d measuring apparatus directly without the preprocessing of wiping off noise points. user can define the resolution of the exported triangle mesh through setting a few parameters. it still can process other information of the points of cloud except for the x, y, z coordinates, such as color information ( rgb )

    它可以處理來源於學測系統或者其他的一些三維測系統的數據,而不用經過去除雜點的數據預處理過程;輸出三角形網格的解析度可以由用戶過設置一些參數來進行控制;這個演算法還可以處理一些來自於點雲的點所帶的除了( x , y , z )坐標以外的一些信息,比如說顏色信息( rgb )等;此外我們還提供了幾種可以實現的紋理映射( texturemapping )的思路。
  16. The emergence of the ordinary digital images ( which in this paper means the digital images acquired by common non - metric digital cameras ), resolved the the problem of acquiring images quickly on the spot, and lowered the requirement for equipments and skills in photogrammetry, so that made photogrammetry a whole digital process. but all current ways to the measurement of ordinary images are based on dlt or bundles theory, which both require a lot of control points distributing properly, and are inapplicable. in order to increase the adaptability and accuracy of digital close - range photogrammetry based on common digital cameras, researches and experiments have been done on these methods in this paper, as following : 1

    數碼影像(在本文中主要指採用普測數碼相機獲得的數碼影像)的出現,解決了現場快速獲取影像的問題,且降低了近景攝影測作業對設備及技能的要求,並使攝影測過程成為全數字流程,但現有的對普數字影像的測處理演算法均是基於線性變換或線束理論的,存在像控點要求多、分佈要求高、不適宜應用的缺點。
  17. Led stands for light emitting diode, a kind of semiconductor which is used to give and receive the electronic signal into infrared rays or light, using the characteristics of compound semiconductor. this is used for household appliances, remote controller, electric bulletin board, various kinds of automation appliances

    它是利用固體半導體晶元作為發材料,在半導體中過載流子發生復合放出過剩的能而引起子發射,發出紅黃藍綠青橙紫白色的
  18. Long - wavelength pass filter is important part of wavelenght division multiplexing, and its capability affect the quality of wavelenght division multiplexing straightway

    長波片是wdm的重要組成部分,它的性能影響wdm的質
  19. Based the research on the laser beam drift feedback control technique, analysing the beam drift and its frequency components, a laser beam directional stability method is studied in the thesis in detail, with its measurement and control circuit system that combines the laser beam intensity modulation and the beam drift feedback control technique. in this method, at first the laser beam intensity is modulated with the acoustooptic modulator, then the lock - in amplifier is applied to detect and demodulate the modulating signal, at last a feedback control signal is generated by the dsp control circuit at last, including : 1

    本文在原有的激束漂移反饋控制準技術的基礎上,對束漂移信號的數據和頻譜進行了分析,重點研究了一種集聲調制強與束漂移反饋控制準技術於一體的激束方向穩定方法及其測控電路系統,該方法過聲調制實現強調制,過鎖相放大電路檢測並解調調制信號,然後過dsp控制電路進一步對束的漂移進行反饋控制。
  20. The system is installed on the axis of the locomotive ' s wheel. it inspects the track irregularity in a real - time, dynamic and photoelectric way. by measuring the track of the wheel running, the system can provide the type, depth, length, level and the location of the track irregularhy, so that it bring a positive effect on the check and maintain of the track, and it can monitor and control of the security of raflway traffic

    該裝置安裝機車輪軸上,是一種實時、動態的電檢測方式,輪軸運行軌跡曲線的方式,定給出軌道病害的類型、深度、長度、級別和位置等信息,能夠對工務現場線路檢查、維修、保養、行車安全監控等工作起到積極的指導作用。
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