輻散點 的英文怎麼說

中文拼音 [fúsǎndiǎn]
輻散點 英文
point of divergence
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. The curve should be three-dimensional one, with the high point in the center and curved lines radiating in all directions, somewhat as streamers from a maypole.

    曲線應該是三維的，其高點在中心，向各個方向輻射，有些象從五月柱上散出的彩帶。
  2. A " meteor shower " occurs when our home planet encounters a relatively dense region of meteoroids in space. an unusually large number of meteors can then be seen streaming from a certain point in the sky known as the " radiant "

    許多流星像從星空中某一點稱為輻射點向外散射而出，其實流星群飛向地球時大致是平行的，輻射點是視覺上的透視象。
  3. 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。
  4. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。
  5. Telecommunications - fixed radio systems - point - to - point and multipoint systems - spurious emissions and receiver immunity limits at equipment antenna port of digital fixed radio systems v1. 2. 1

    電信.固定無線電系統.點對點和多點系統.數字固定無線電系統的設備天線埠的雜散輻射和接收器抗干擾限值
  6. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢，利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。
  7. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。
  8. Pmv and the indoor temperature field can be used to evaluate the effect of heating in a large amount air current condition. the result of analysis indicate that the radiation heating and radiator heating have some advantages in such rooms, and hot - air heating is an unsuitable way for room heating

    分析結果后認為， pmv和室內溫度分佈是評價大換氣量房間不同供暖方式室內熱環境的重要參數，在這類房間中，輻射供暖和散熱器供暖將各有優點，而熱風供暖則是一種不宜採用的供暖方式。
  9. If it takes six hours for people in the vicinity to evacuate, then calculations show that nearly everyone downwind of the blast within approximately five kilometers would still be killed by fallout, and half the inhabitants eight kilometers away would die

    如果附近的民眾需要六小時疏散，計算顯示，爆炸點的下風處大約5公里內，所有人都會死於輻射性落塵， 8公里內的居民也有一半會死亡。
  10. In order to predict the evolution of ozone on time scales of a few days to a week, monthly mean, as well as seasonal variations, reliable measurements of ozone distribution from space ( satellite - based measurements ) are needed

    為了預測臭氧總量隨時間的演變，需要對臭氧的分佈進行穩定、可靠的測量。相對于紫外遙感方法，用紅外方法測量的優點在於對臭氧總量的觀測不依賴于太陽輻射的後向散射，不分晝夜的限制，在白天和夜間都可以進行觀測。
  11. On the basis of research available and through seven aspects : the family structure, vocational structure, the structure of the mode of life, psychological and cultural structure, income structure, organization structure and social identity, the thesis reflects the process of urbanization in the community between rural and urban areas, especially demonstrates the unique characteristics of urbanization in the community between rural and urban areas of the east of china by taking shui village and kong village in anning district lanzhou city of gansu province as the example and using the advantage of multiple subjects such as sociology, anthropology, economics, etc. the transition of the community between rural and urban areas is their imitation and incorporation into the urbanization, and the effect of their spread and radioaction

    本研究在已有研究的基礎上，應用社會學、人類學、經濟學等學科的綜合研究的優勢，以蘭州安寧區水村和孔村為例，通過對兩村家庭結構、職業結構、生活方式結構、心理文化結構、收入結構、組織結構和身份認同等七個方面的實證研究，反映了城鄉結合部的城市化進程，特別是反映了中國西部內地城市化進程獨特的特點。城鄉結合部轉型過程是城鄉結合部自身模仿、融入城市以及城市的擴散輻射效應嵌入的過程；城鄉結合部是許多矛盾、困惑及經驗反映最集中的場所；同時是將漫長的城市化進程濃縮在一個短期內進行的相對較小的區域。
  12. The purpose of this work is to improve the space resolving power of the temperature measurement system for small laser - processed region. the main conclusions and contributions are as follows : 1. after expatiating upon the principle of radiation thermometry, we mainly discuss the effects on the space resolving power and the measurement precision of the real - time temperature measurement system by some factors

    本文的工作就是圍繞輻射測溫系統空間分辨能力的提高技術展開的，主要的研究結果和創新之處如下: 1 .在闡述不接觸測溫原理的基礎上，討論了影響空間分辨能力及測溫準確性的兩種因素? ?強度點擴展函數有效分佈、進入系統中的雜散光。
  13. Based on the vector radiative transfer theory and the characteristics of the sar technology, several sub - models for rice backscattering are constructed, including the leaf scattering model, the leaf extinction model, the trunk scattering model, the trunk extinction model and the water reflection model. then an integrated model for the first - order scattering mechanisms of rice, including all the main physical processes, is achieved

    針對合成孔徑雷達sar的技術特點，以水稻為研究對象，從矢量輻射傳輸理論vrt出發，通過模擬水稻主要器官稻葉和稻桿對電磁波的散射衰減作用等物理過程，建立了一套完整的水稻一次後向散射作用的物理模型，用以模擬水稻層的後向散射系數
  14. It has been proven that, from the propagation process of the tidal waves and wave energy rates, the whole radial sandbanks area is controlled by the progressive tidal wave in the south and the rotational standing tidal wave in the north. these two waves merge at qianggang and induce a large tidal range

    通過對潮波波面傳播過程及潮波能流率研究表明，輻射沙脊群海域為南部太平洋前進潮波和北部旋轉潮波所控制，兩潮波系統在?港外海輻聚輻散，形成大潮差區的特點。
  15. One avhrr image of the yangtze delta at 13 : 00 on 15th apr., 2003 is used to retrieve the regional parameter such as surface albedo, ndv1, surface emissivity and surface temperature, which is based on regional trait of the yangtze delta to choose different model. all above will give a methodological support to gain the regional surface parameters, what ' s more, it will afford the parameter support to calculate the regional et too

    選取了2003年4月15日13時的avhrr影像，根據長江三角洲區域特點，選擇不同的反演模型，分別對長江三角洲區域地表反照率、歸一化植被指數、地表比輻射系數、地表溫度進行了反演，為區域地表參數的獲取提供了方法支持，也為長江三角洲的區域蒸散量求取提供了參數支持。
  16. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  17. The implement of direction finding cross location and errors analysis are on the focus. the multi - warships bearings - only tracking algorithm based on direction finding cross location and distributed multi - warships bearings - only tracking are also presented. ( 6 ) the observation prerequisite of single warship bearings - only tracking is analyzed, and optimal maneuver of the observer warship is discussed

    5研究了多艦純方位跟蹤的演算法，把多艦純方位跟蹤分成集中式跟蹤和分散式跟蹤兩類，並分別進行了分析比較，重點研究了測向交叉定位法的實現及誤差分析，給出了基於測向交叉定位的多艦對運動輻射源的跟蹤演算法和基於信息融合的多艦純方位分散式跟蹤演算法。
  18. The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area

    極化合成孔徑雷達（ polarimetricsar ）是用來測量輻射信號極化特徵的新型成像雷達，具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點，大大提高了它對地物的識別能力，因此在遙感技術研究與應用領域中起著越來越重要的作用。
  19. By studying the luminescence mechanism and the optical spectra, the two reasons for the diminish of light yield are given : the absorption of the fluorescence by the point defects when that produced and the scatter of the fluorescence by the macroscopic defects when that transmitting. in ce : yap scintillators, the available approach to improve the light yield is to diminish the self - absorption of the point defects

    通過光譜分析和對發光機制的研究，指出在產生熒光輻射過程時晶體中的點缺陷對熒光的吸收以及熒光收集過程中宏觀缺陷對熒光的散射是造成晶體光產額減小的原因，通過減小晶格缺陷是提高晶體光產額的有效途徑。
  20. 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。
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