散射幅 的英文怎麼說

中文拼音 [sǎnshèfú]
散射幅 英文
scattering amplitude
  • 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） ...
  • 幅 : Ⅰ名詞1. （布帛、呢絨等的寬度） width of cloth 2. （泛指寬度） width; size 3. （姓氏） a surname Ⅱ量詞（用於布帛、呢絨、圖畫等）
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. The results show that : 1 ) the effects of interface on waves scattering are stronger in the structure with the interface perpendicular to the direction of fracture normal than that in the structure with the interface parallel to the direction of fracture normal. 2 ) when the interface is perpendicular to the direction of fracture normal, the amplitude of reflected waves and converted s - waves are higher and there are the sub - p - and sub - s - wave. 3 ) when the elastic waves propagating in the multi - stripe model, wavesforms become complex due to multiple scattering on interfaces

    研究結果表明： 1 ）界面與裂縫排列方向平行時，界面對波的散射作用大於界面與裂縫排列方向垂直時的情況； 2 ）當界面與裂縫排列方向平行時，在界面上產生的反射波及轉換的橫波幅度較大，並且有次級縱波和橫波產生； 3 ）彈性波在多條紋結構中傳播時，在界面上產生多次散射使得波形十分復雜。
  2. The theoretical formularies of invary amplitude, the form factor of nucleons a and differential cross sections are given about this process

    我們寫出了原子核a的形狀因子以及此類反應的散射振幅和微分截面理論公式。
  3. The transmission amplitude expressed by green ? s functions is derived exactly for the case of one dimension, and the scattering amplitude for the three - dimension case is also given approximately by green ? s functions. with the analytical expressions of this scattering amplitude, we can illustrate the relation of the poles of the scattering amplitude and the bound states in a more generated way

    對於一維散射給出了透射振幅的格林函數表示，對於三維散射近似給出了散射振幅的格林函數表示.利用散射振幅的格林函數表示，更一般性地說明了一維和三維情況下散射振幅的極點與束縛態能級的關系
  4. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面（ lrcs ）值，研究了qd與ccd對目標位置角度的計算方法和空間解析度; （ 2 ）根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題，然後分析了幾種常見的掃描方式:矩形（ raster ）掃描、螺旋（ spiral ）掃描，矩形螺旋（ rasterspiral ）掃描，玫瑰形（ rose ）掃描以及李薩如形（ lissajo ）掃描; （ 3 ）對分行掃描和螺旋掃描進行了詳細的模擬分析，分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。
  5. Elastic scattering amplitude

    彈性散射幅度
  6. ( 2 ) based on the theory of diffraction, we push over the fraunhofer and fresnel diffraction of obscuration. moreover, the distribution of complex amplitude is given, and the rule is validated by the optical propagation software researched by caep

    二、根據單縫衍射理論推導散射點的夫瑯和費和菲涅耳衍射規律，分別給出了散射點的夫瑯和費和菲涅耳衍射的復振幅分佈情況。
  7. This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots

    光調制散射器的測量方法最大限度地減少了測量裝置對被測場的擾動，特別適合於測量導體附近和具有復雜路徑場的幅值和相位分佈，可以用於對輻射天線近場的測試以及孔縫耦合中場的測量，可為天線的設計，微波孔縫耦合效應的研究提供較精確的實驗數據。
  8. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。
  9. Characteristics of amplitude distribution of em returns from two - dimension fractal surfaces

    二維分形粗糙面電磁散射回波的幅值分佈特徵
  10. This paper is mainly about land clutter and sea clutter. it meanly introduced scatter character, radar echo signal range, and power spectrum model. in the end, a hardware realization of producing a specified power spectrum is given

    本文主要研究了地、海雜波的散射特性、回波幅度特性和頻譜分佈模型，並且給出了一種硬體實現產生具有一定頻譜特性的雜波的方案。
  11. When the interaction length or gain coefficient is changed, the sbs threshold is changed, and the intensity value of optical limiting is altered

    當改變相互作用長度或者介質增益系數，即可以改變受激布里淵散射的產生閾值，進而改變輸出脈沖空間限幅的幅值。
  12. There are charge distribution of the nucleons a which is not a point, thus, in our invariant amplitude the form factor of nucleons a will come spontaneously, the cross section will be much imfluenced by the form factor

    由於在反應中原子核a為有大小電荷分佈的粒子而不是點粒子，從而在計算不變振幅過程中會出現形狀因子，這會對所計算的散射截面有很大的影響。
  13. Using it, time amplitude converter and pulse neutron generator, the y spectra of 14mev pulse neutrons is measured. utilizing the time difference of several different reactions about the interaction of neutrons and nucleus, the whole spectra and the capture spectra are measured. a method that uses double gate subtracting background to gain the fast neutrons " inelastic scattering y spectra is introduced

    研製了一種線性門電路，介紹了它與脈沖中子發生器、多道脈沖幅度分析器配合，進行14mev脈沖中子譜的測量，利用中子和原子核相互作用的幾種反應在時間上的差異，測量了總譜和俘獲譜，採用雙門減本底方法得到了快中子非彈性散射譜。
  14. This paper studies target detection algorithms using polarimetric one - dimension range profile. at first by exploiting polarimetric information in different polarization channels, a fused and enhanced one - dimension range profile is obtained by pwf. then we can detect radar target through integration of scatters in different resolution cells or the number of detected scattering points

    首先利用不同極化通道的相關性信息，將各個極化通道的一維距離像通過極化白化濾波（ pwf ） ，抑制相關雜波，提高信雜比，融合得到一幅改善了的一維距離像，然後通過多個散射中心的能量徑向積累判定目標的有無。
  15. In the foreign country, neutron induced prompt gamma - ray analysis ? ipga was used to analyze the elements in substance and has been used in real production and industry " s analysis on line now. in our country, the method has been studied and used from 70 " s and has been more and more perfect. however, the neutron source they used is the isotope source

    在國外，早已開始採用中子感生瞬發射線分析法（ nipga ）對物質進行元素分析，如今這種方法已經應用於實際生產和工業在線分析，國內在八十年代也開始研究、應用這種方法，如今已日趨完善，然而，他們使用的中子源絕大多數仍然是同位素中子源，做為一種可行性實驗方法研究，我們採用脈沖中子發生器做為中子源，自行研製的線性門電路和多道脈沖幅度分析器相配合，獲取非彈性散射和俘獲譜，對物質進行元素分析。
  16. The results indicate that the peak intensity of transmission beam is limited, and the cross - section intensity distribution is approximately flat - topped super gaussian, which shows the optical limiting effect of sbs

    結果表明，透射光束截面光強呈現出近似平頂的超高斯分佈，光強峰值被限制，顯示出受激布里淵散射的空間光限幅效應。
  17. The u. c. l. a. researchers matched the scattered light with the pump energy from another laser in a way that created constructive feedback, resulting in a net amplification of light

    加大洛杉磯分校研究人員讓散射光與來自另一具雷射的能量相遇，以產生建設性的反饋，藉此放大光的凈振幅。
  18. The u. c. l. a. research. htmers matched the scattered light with the pump energy from another laser in a way that created constructive feedback, resulting in a net amplification of light

    加大洛杉磯分校研究人員讓散射光與來自另一具雷射的能量相遇，以產生建設性的反饋，藉此放大光的凈振幅。
  19. This paper particularly focuses on the theory and implementation of how to inverse underground structure by comparing incident wave and scattering wave, and recording the spare time of the waves, and forward calculations for igneous, metamorphic and sedimentary rocks are carried out to verify the feasibility

    著重論述了利用慢衰減電磁波的入射波和散射波的振幅關系，以及電磁波的走時關系反演地下介質參數的基本原理及方法，同時，針對火成巖、變質巖和沉積巖，通過正演理論計算，說明了慢衰減電磁波測深的可行性。
  20. Second, the reaction probability shows resonance - like oscillatory structures in its dependence on collision energy. thirdly, the probability goes up obviously with the rising of the rotational quantum number j

    第三，轉動svgr模型在h cd4 ? hd cd3反應散射中的應用中文摘要激發態時體系的反應幾率隨轉動量子數j的增大有很大幅度的提高。
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