源發射度 的英文怎麼說

中文拼音 [yuánfāshèdù]
源發射度 英文
source emittance
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Our cosine correctors couple to optical fibers and spectrometers for relative and absolute spectral intensity measurements, for emissive color applications, and for evaluation of light sources such as leds and lasers

    我們的餘弦校正器可與光纖和光譜儀連接，用於相對光譜強度和絕對光譜強度測量、發射光譜測量，以及對led光源和激光光源進行評價。
  2. Acoustics - determination of sound immission from sound sources placed close to the ear - technique using a microphone in a real ear mire technique

    聲學.從接近耳朵聲源測定聲發射強度.利用人耳中麥克風進行測定的技術
  3. Umbra lets you emphasize the intensity of shadows in the area fully protected by the direct rays shot by the lighting source : the light transition between fully shadowed areas and fully lit areas change more quickly

    日蝕允許你增強被光源發射直接光線包圍的區域中的陰影深度：在完全陰影區域和完全照亮區域之間，光線急劇轉換。
  4. Ultra high quality and high performance pre - computed shadow masks allow offline processing of static light interactions, while retaining fully dynamic specular lighting and reflections

    預計算陰影模板技術:這種技術的清晰度和性能都較高，並可以很好地表現出多光源投射在同一個物體上時的交叉效果，主要體現在高光和發射上
  5. In optics one usually deals with a source which emits light within a narrow, but nevertheless finite, frequency range.

    在光學中，常常遇到的是這樣的光源，它所發射的光頻率范圍雖窄，但仍有一定的寬度。
  6. The azimuth from the launch point to the target was about 346 deg., or 15 deg. west of due north

    有關消息來源稱，發射點至目標的方位角約346度，或者說北偏西15度。
  7. Electromagnetic launch technology ( eml ) has taken launch science and technology into a new era. eml has a lot of unique advantages, such as faster launch velocity, more efficiency, better performance, easier control, more various structures and so on. therefore, it is significant and prospective that electromagnetic launch technology is applied on military and civil fields in the future

    電磁發射技術是在發射理論和技術發展上的又一次重大突破，它具有的發射速度高、能源簡易、效率高、性能優良、可控性好和結構多樣等普通發射技術不可比擬的優點，使其在未來軍事、民用等相關領域有著重大的意義和應用潛力。
  8. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    物理設計的主要研究內容包括：分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性；分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法：分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象；討論了太陽短波輻射線譜和連續譜輻射強度的計算方法：推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法：論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。
  9. The second chapter is about model experiment study, it introduces purpose, scheme, equipment and experiment contents having copperplate and copper ball as object by comparability rule experimenting plenty of physical models, deals with experiment data and makes second field attenuation voltage curves first field isoline both single aperture and mutli - aperture in different situation. in the end, it obtains best depth of multi - aperture source

    利用相似性準則進行大量的物理模擬實驗，實驗觀測中以銅板和銅球作為目標體，詳細介紹了模擬實驗研究的目的、方案、使用設備以及實驗內容，並對實驗數據進行了處理分析，作出了不同模擬條件下單、多孔徑的二次場衰減電壓曲線和一次場等值線圖，找出多孔徑作發射源的探測最佳深度。
  10. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。
  11. We give three installing schemes in the measuring hydraulic cylinder in the fourth chart and analyse thire merits and shortcomings. we discuss the possibility of measuring grinding wheel diameter by ultrasonic wave we give the full electric circuit schemes, including emitting and receiving circuit, measuring temperature circuit, displaying circuit, regulated power supply, a / d converter circuit and so on

    給出一種新的計時方法。同時我們還討論了利用超聲測量鋼坯磨床中砂輪直徑的可能性。在本文中，還給出了完整的電路設計方案，包括:發射接收電路、溫度測量電路、顯示電路、穩壓電源電路、 a / d轉換電路等。
  12. According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier

    同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。
  13. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  14. The variation of the film composition can be monitored by using the method of spectrum analysis during the film deposition ( for the intensity of the persistent line is proportional to the particle density of the element in the vacuum chamber ). the measurement of the transmission spectrum of the film on a transparent substrate can be used to calculate the film parameters, such as refractive index, extinction coefficient and the thickness of the film. therefore, the combination of the two methods would be helpful to on line monitoring the film constituents and the optical paramenters in the preparation of thin films

    在制備薄膜的過程中，利用光譜分析的方法，以放電光譜特徵譜線強度的變化來反映相應物質成分的變化，以連續光譜光源發出的光透射過薄膜的透射率的變化，來反映薄膜的厚度、折射率、吸收系數等光學參數的變化，從而達到在制膜過程中，對薄膜的成分、厚度等參數進行在線監控的目的
  15. Various factors for affecting uncertainty of the measurement molybdenum content by spark source atomic emission spectrometry are discussed and compared, and uncertainties of the measurement of molybdenum in steel are evaluated

    摘要討論和比較了火花源原子發射光譜法測定鋼中鉬量的各種不確定度因素，並評定了鉬量的測量不確定度。
  16. 4. led cluster lamp has not the limit of heat and can touch the cold light source of substance in the close

    3 .射燈無發熱度，並且可近距離接觸物體的冷光體光源！
  17. Abstract : under market economy condition, the factors of market failure are various. ? information asymmetry is the most important one. ? it will bring crash on the market. ? attestation and authorization can avoid reverse action and information asymmetry, maintain market action and public advantage, remove market failure and maintain market stabilization

    摘要：市場經濟條件下導致市場失靈的因素是多種的，信息不對稱是其中一個重要原因；由信息不對稱而導致逆向選擇的產生，最終使整個市場崩潰；而認證認可作為一種可信度高的、有效的市場信號發射模式，避免逆向選擇行為的產生，消除信息不對稱，規范市場行為，優化資源配置，維護公眾利益，從一個方面消除了市場的失靈，維護了市場的穩定。
  18. Pulsar radio emission is markedly different from other astrophysical radio sources, characterised by extremely high brightness temperature and high degree of linear or circular polarization. the high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent. so far there is no widely accepted model for the radio emission. this paper discusses recent developments in studies of the production and propagation of pulsar radio emission

    脈沖星的射電輻射與其他天體物理輻射源有很大的不同，因為它們有著極高的亮溫度和高度的線或圓偏振.極高的亮溫度意味著起作用的發射機制一定是相干的.至今尚無對這種輻射普遍接受的模型.本文討論了關于脈沖星的射電輻射產生和傳播研究中的新進展
  19. The disperse characteristics of thin plate and pipe can also be found. considering the multimode and disperse characteristics of water - filled pipe, the leak location arithmetic model was constructed

    研究表明：該方法不僅可以提高聲發射源定位檢測精度，還可以得到結構的頻散特性； 3
  20. It will become the basic technology of those domains. in accordance to the characteristics of satellite communication system, it is necessary to limit the bandwidth of the signal spectrum and to decrease the isi

    針對衛星通信通道的特點，為了節約頻譜資源，需要對發射信號進行帶限；為使傳輸誤碼率足夠小，必須最大限度減小碼間干擾。
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