radiation angle 中文意思是什麼

radiation angle 解釋
輻射角
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角,隅,角落;棱,嬗角。2 【數學】角,角位,角的度數。3 【機...
  1. The equation of the radiation transfer between two surfaces indicates that there are three factors that have influence on radiation transfer : brdf, projected solid angle ( psa ), and incident radiation flux. thereafter, a new baffle system design idea is put forward

    本文首先介紹了光學系統雜光的抑制措施,從光輻射在兩個表面傳遞的基本能量傳輸方程出發,指出影響輻射能量傳輸的三個因子:雙向反射分佈系數brdf 、投影立體角psa和入射輻射通量。
  2. For liquid xe aerosol spray target, important lpp characteristics, such as laser - to - euv conversion efficiency, euv radiation absorption, debris production by target material erosion or deposition, are studied in detail, a 13. 4nm conversion efficiency of 0. 75 % into 2 % bandwidth and 2 steradian emission solid angle is achieved at 0. 5mm laser - nozzle distance

    在實驗上,建成了一套高光譜解析度和高靈敏度的軟x射線脈沖輻射測量裝置。測量了co _ 2 、 o _ 2 、 cf _ 4 、 kr和xe液體微滴噴射靶lpp光源在6 20nm波段的軟x射線輻射光譜。
  3. This laser poss characteristic : t he output power attains 500w ; laser energy instability less than 2 % ; laser radiation angle : about 3. 5mrad. design a sort of new - style laser cutting head, using this equipment can carry out trepanning and percussion drilling processing

    這臺激光器所達到的參數為:輸出功率達到500w ;激光能量不穩定度: < 2 % ;激光的發散角: 3 . 5mrad 。
  4. The relation between area of ccd saturation and 0. 632 m 、 1. 06 m laser power / energy was measured. the ccd camera was disturbed by strong radiation from laser outside the field of view in experiment. the relation between the area of ccd saturation and off - axis angle was measured

    通過實驗,得到激光干擾ka - 320型面陣ccd光電探測器的像元飽和閾值、探測器靶面飽和閾值、局域損傷閾值,並得到了0 . 632 m與1 . 06 m波段入射激光功率與ccd靶面飽和程度的對應關系曲線,了解了面陣ccd探測器受激光干擾的各個階段。
  5. Testing method of divergence angle of laser radiation

    激光輻射發散角測試方法
  6. In this paper, the method of small parameter is used to calculate the multipolar expansion of gravitational radiation in classical situation, and the general expression on multipolar gravitational radiation is obtained. then the angle distribution characters in an arbitrary direction are given. this expansion method can avoid the higher order tensors when dealing with the gravitational radiation higher than quadrupole

    本文採用小參數法作為經典引力輻射的研究方法對引力輻射作多極展開,得到各極引力輻射的一般表達式,並給出了沿任一方向引力輻射的角分佈的嚴格證明,這種展開法在處理四極以上的高階引力輻射時卻可以不涉及更高階的張量計算。
  7. The size of the greenhouse of 100 square meter are optimized at max solar radiation during the heating period from 15. 02 to 15. 11 240 days for the latitude 52. 3 degree ; the inclination angle of the light transparent cover to the horizon is 60 degree ; the sun rise 30 degree. the maximum geometrical index imin 1, 78

    高能效太陽能溫室的示範項目設計面積是100平方米,緯度523 ,透明屋頂與地平線的傾角為60 ,太陽和地平線的傾角為30 ,在最強日照下,在15 . 02到15 . 11加熱范圍內運行240天。
  8. The radiation patterns with and whitout radome are calculated, and the angle difference in the maximum field point of their main clot show the bse of the radome, the bse from - 15 degree to 15 degree in direction, that been calculated and compared with the excited experimented data shows they coincide quite well

    有天線罩時的遠區場和沒有天線罩時的遠區場相比較,兩個主波束對應的角度差即是天線罩的瞄準誤差,本文對方位掃描角從負15度到正15度進行分析。
  9. Test method for calibration of heat transfer rate calorimeters using a narrow - angle blackbody radiation facility

    用窄角黑體輻射設備校準傳熱速度量熱器的方法
  10. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  11. The optical system is optimized to achieve 0. 1 u m resolution over a o. lmm diameter image field of view and the mirrors of the objective were coated with mo / si multilayer to provide 45 % reflectance at near - normal incidence angle for 13. 0nm radiation

    經優化設計后, 0 . 1mm像方視場內的成像解析度優於0 . 1 m ;近正入射條件下, schwarzschild微縮物鏡主、次鏡mo / si多層膜的實測反射率為45 。
  12. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響,用理論分析法來確定它是相當困難的,由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程,而燃燒過程中的實際熱力狀態又可用示功圖來分析,因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系,建立了一種計算柴油機缸內火焰輻射傳熱的新模型,利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算,將計算結果與實測結果進行了比較,表明該模型能較好預測缸內火焰輻射傳熱量。
  13. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  14. We also experimentally observed the effect of sodium atom - molecular collisions and sodium atom - atom collisions on the line - shape and intensity of fluorescence spectra. in addition, the optically pumped infrared stimulated emission and energy transfer up - conversion process are observed in pr3 + : y2sio5, and with the threshold energy, temperature dependence and divergence angle for the stimulated radiation are measured

    此外還研究了摻雜在固體y _ 2sio _ 5中的pr ~ ( 3 + )的光泵紅外受激輻射和能量轉移上轉換,分別測得了紅外受激輻射的閾值能量和發散角,並擬合得出了能量轉移速率。
  15. The radiation patterns at different scan angle from - 20 to 20 degree are presented, and the angle difference between the maximum / minimum field points of their main beam shows the bse of the radome. at different frequencies, the radiation from the antenna has been discussed when azimuth scan angle ranges between - 20 degree and 20 degree. the relationship between

    200 ~ 200范圍內天線的和方向遠區場、方位差方向遠區場;得到方位瞄準誤差、瞄準誤差斜率和功率傳輸系數隨掃描角和入射波頻率的變化關系;並將所得數據與文獻數據進行比較,表明間接射線法簡單、有效且精度較高。
  16. A two stream model has been used to calculate the variation of optical depth and their effects to ultraviolet radiation of each extinction material. with the model, the relation among season, solar zenith angle and ultraviolet radiation has been discussed, and the variation of ultraviolet radiation under different clouds has also been studied. the comparative research of ultraviolet radiation among kunming, beijing and other abroad area at the same latitude has also been done

    在已建立的計算昆明紫外輻射兩流模式改進的基礎上,進一步計算並討論了: 1各種消光物質的光學厚度變化規律及其對紫外輻射的影響2季節變化及太陽天頂角變化與紫外輻射的關系3不同雲的光學厚度下紫外輻射的變化4昆明與北京兩地模式計算結果比較,以及與國外相近緯度觀測結果進行了比較。
  17. Thirdly, considering when acoustic wave with a certain frequency or angle is incident upon plates, it will greatly cause the radiation power " translating. this paper details the causes of coincident effect and gets the calculating formula. the conclusion is resulted that thick plate and uniaxial anisotropies can lower critical frequency

    針對聲波入射板面時在某一特定頻率或特定入射角度時會使聲輻射能力大大增加並產生聲能的大量透射這一現象,詳細討論了產生吻合效應的條件;並針對工程實際中所應用到的各種尺寸、材質的板分別推導了其吻合頻率和臨界頻率的計算公式,得出了厚板和材料的各向異性均會使結構的臨界頻率下降的結論。
  18. In this paper, the solar and land - atmosphere radiation rates are calculated by modtran3 model and satellite observation as well as surface data, solar direct irradiance infrared irradiance solar heating rate and infrared cooling rate were calculated from 43 samples of sunshine day and 5 samples of cloudy day 3 samples of rainy day of different latitudes in 12 stations. the paper analyzed solar heating rate and infrared cooling rate in sunshine day, the factors such as zenith angle, water vapor and latitude were found out correlating with solar heating rate and infrared cooling rate. solar heating rate and infrared cooling rate change on the same day and at the same station

    在對晴空大氣的計算中,本文對太陽的直接輻射與地氣系統的紅外輻射狀況進行了分析,並討論在不同的大氣狀況下太陽加熱率和紅外冷卻率的情況,找出與太陽加熱率和紅外冷卻率變化相關較大的因子?太陽天頂角和水汽條件、緯度;本文還進一步分析了不同緯度樣本的太陽加熱率與紅外冷卻率日變化及有雲、有雨情況下太陽加熱率和紅外冷卻率的變化情況:另外,文中通過改變二氧化碳在大氣中含量的方法,討論了它對太陽加熱率與紅外冷卻率的影響。
  19. It is shown that the divergence angle of pumping beam and off axis pumping and spontaneous radiation influenced the linewidth of parametric light more quickly than those of other factors did, and the linewidth of parametric light is very narrow far away from the degeneracy point, and the linewidth begins to large quickly at the degeneracy point

    結果表明,泵浦光的發散角、泵浦光的偏軸泵浦、自發輻射對參量光的線寬影響較大。在遠離簡並點處,線寬較小,在簡並點處,線寬較大。
  20. The main characteristics of the optical system of the transmitter are analyzed and simulated, and the transmissivity, the output laser radiation angle and output laser shape of the optical system of the transmitter are tested in the experiments

    對發射光學系統進行了詳細的理論分析和模擬,通過實驗測試了發射光學系統的透過率、輸出激光的發散角和光斑形狀。
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