散射振幅 的英文怎麼說

中文拼音 [sǎnshèzhèn]
散射振幅 英文
scattered amplitude
  • : 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
  • : 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) ...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 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 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。
  2. 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

    對於一維給出了透的格林函數表示,對於三維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
  3. ( 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:計算了目標角反器的激光雷達截面( 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、動角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。
  4. ( 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、根據單縫衍理論推導點的夫瑯和費和菲涅耳衍規律,分別給出了點的夫瑯和費和菲涅耳衍的復分佈情況。
  5. 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,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動速度成正比,並與入角和角有關;適當減小cfpi的帶寬,增加腔長,增大鏡面反率,或者減小檢測入角都可以提高系統的信噪比。
  6. The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles

    從瑞利衍積分公式出發,未作慢變近似和近軸近似的條件下,導出了等衍長度超短脈沖高斯光束在色介質中非近軸傳輸方程,可用來處理色介質較大角度的傳輸。
  7. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻理論出發,推導出一維情況下ptr信號的和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴系數的優化方法;接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  8. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz ( 10 ~ ( 12 ) hz )時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術,它使用頻率介於遠紅外和微波之間的相干電磁輻脈沖作為探測源,利用電光取樣或光電導取樣的方法直接記錄thz輻電場的時間波形,通過傅立葉變換得到測量信號和相位的光譜分佈,進而獲得材料在thz波段的復介電常數,即色及吸收等信息。
  9. 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,從而在計算不變過程中會出現形狀因子,這會對所計算的截面有很大的影響。
  10. We introduce a model of random birefringent single mode fibers, and the general nonlinear propagation equations of dual - lightwaves in random birefringent fibers are deduced. the characteristics of polarization mode dispersion in 2 + 10gb / swdm system is studied. it is found that pmd in wdm system can be effectively suppressed by the synchronous modulation technique

    我們引入了隨機擾動雙折單模光纖模型,導出了雙波長的光波在隨機雙折光纖中的非線性脈沖傳輸方程;在此基礎上,研究了偏模色對2 10gb swdm系統中脈沖序列傳輸的影響,並採用同步度調制控制技術有效地降低了偏模色的影響。
  11. 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光與來自另一具雷的能量相遇,以產生建設性的反饋,藉此放大光的凈
  12. 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光與來自另一具雷的能量相遇,以產生建設性的反饋,藉此放大光的凈
  13. 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波和波的關系,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。
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