點散射 的英文怎麼說

中文拼音 [diǎnsǎnshè]
點散射 英文
point scattering
  • 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「、」）...
  • 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
  • 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） ...
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. This dissertation is focus on the temperature sensitive mechanism of the brillouin - scattering signal and on the basis of domestic techniques, the methods and approaches of signal detection and processing in distributed brillouin fiber - optical sensor system. a digital multi - point average method ( digital boxcar ) has been proposed based on the characteristics and the sorts of fiber - optical sensors and by analysis the feature of the brillouin - scattering signal, and also comparisons of all sorts of weak - signal detection theory

    論文在全面了解光纖傳感器的分類和特點及分散式光纖傳感器的原理和發展歷程的基礎上，通過分析被檢測的光纖布里淵後向散射信號的特點，研究和比較了微弱信號檢測的各種方法，最終選定了多點數字信號平均（數字boxcar ）的處理方案。
  2. The spinning motion makes the scattering dots changed rapidly during the imaging, which makes the one - dimension range - profile between conterminous targets change acutely

    自旋運動使目標散射點在成像期間發生變化，使得相鄰回波間目標的一維距離像變化劇烈。
  3. The mett cross section applies to a point scatterer.

    莫脫截面適用於點散射體。
  4. The most obvious advantage is that because of their inability to scatter appreciably, nebular radio waves completely and genuinely delineate the distribution of nebular gas.

    因為星雲對射電波的散射很小，所以最明顯的優點就是能夠全面而真實地勾畫出星雲氣體分佈的外貌。
  5. Double pink star / rose sparkle flecks, blue fantasy, rose sparkle edge

    重瓣星型花，粉紅色中有玫瑰色散射開來，藍色噴點，玫瑰色的暈邊。
  6. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面，我們將浮點型遺傳演算法（ fga ）應用於實際人工目標的gtd模型參數的抽取，利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮，並利用擴展的數據提高了距離解析度。
  7. 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。
  8. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  9. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。
  10. 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。
  11. On the basis of lorenz - mie theory, this paper is devoted to the research on characteristics of intensity and spectrum distributions of each order rainbow for a homogeneous particle, with the usage of geometric optics theory, airy theory and debye theory

    本文基於小粒子散射的lorenz mie理論，結合彩虹的其它理論（幾何光學理論、 airy理論、 debye理論）研究了均勻球、柱粒子各階彩虹強度分佈和頻譜特點。
  12. 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。
  13. The translucence focus value controls how much translucent light is scattered depending on the direction of the light

    翻譯:半透明焦點憑借半透明燈光方向控制散射的大小范圍
  14. In particular, they focused on the raman effect, a process in which the wavelength of light lengthens after it scatters off atomic vibrations

    他們的研究重點集中在拉曼效應，也就是當光經由原子震蕩而散射時，光波波長增加的過程。
  15. First introduces briefly the characteristic of microwave, the history of mamt, its characteristic and trends. then explains the contents of one port reflection parameters, the way to measure them and something to pay attention to. at the end we illustrates how to get the reversible two ports s matrix using eight - point method

    首先概述了微波的特點，接著介紹了微波自動測量技術的發展歷史、特點及其今後發展的趨勢，然後說明了二埠網路反射參量的內容、測定方法、需要注意的問題以及可逆二口網路散射參量的八點法測量，重點介紹了八點法圖解的方法。
  16. At last, we given several conceives for the follow - work, and hope to obtain more monodisperse standard samples which particle size is from 0. lum to 3um in the future, so we can find the relation between light scattering energy and energy jumpiness more accurately

    本文還對以後的工作提出幾點設想，希望獲得更多的單分散體系的、粒徑從0 . 1 m ~ （ 3 m ）得標準樣品，更準確地找到散射光能量與能量跳動量之間的關系。
  17. According to the concept and basic form of svpsf, the cavity and duct scattering is examined, and a method is developed to remove the duct - induce dispersion effect

    推演了典型非點散射結構?腔體結構的二維svpdf的具體形式，得到消除其散焦效應的積分變換域濾波方法。
  18. The method is demonstrated by using real data of airplane. the airplane isar image is evidently enhanced, and the physics - based feartures of scattering centers is gained by the method

    依此框架完成了對飛機目標isar圖像有效的增強處理，提取到了反映成像目標結構特徵的點散射中心集合。
  19. On the other hand, in image domain, spatially varying point - spread function ( svpsf ) is defined to demonstrate how the effects of complex scattering centers which cause scattering model mismatch can be interpreted as being due to a svpsf acting on a ideal scatterer

    同時在圖像域引入二維空變點展布函數（ svpdf ）來解析表達非點散射機制對理想「點」的展布作用。
  20. In this paper, we first classify the nonideal scattering centers to three kinds through analysis the assumption of ideal scattering centers model. they are dispersive scattering centers, glide scattering centers and anisotropic scattering centers. also we conclude that all of them make the image blur by research on their display on imaging

    通過概括理想點散射模型所包含的假設前提條件，限定出了模型失配的原因，提出了非理想散射中心的分類方法:把它們分為色散型散射中心、滑動型散射中心和各向異性散射中心，並分析了各種類型非理想散射中心在圖像域的表徵。
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