散射源 的英文怎麼說

中文拼音 [sǎnshèyuán]
散射源 英文
diffusing source
  • 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） ...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public

    根據輻射源項的資料（即事故釋放源的資料，包括放射性物質的釋放總量和各種放射性物質的相對比例等數據）及氣象數據，這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況，及預測市民可能受到的輻射劑量。
  2. Do some necessary calculations and decide on the general scheme of compton back - scattering imaging scanner to the real wall inspection. include the selection of radioactive source, the calculation of compton back - scattering beam, the calculation of the basic condition of finding out the different materials and the determination of some important parameters as well. 3

    其主要內容包括入射源的選擇，散射粒子的理論計算，發現異物的最低條件計算以及系統的一些重要參數的確定，主要包括：放射源的選擇，散射角的確定，后準直器的形狀與尺寸，前準直器的尺寸，前準直孔的大小，檢測器的種類與型號，檢測器的效率等。
  3. In applications of array processing such as radar, sonar, and wireless communications, the array observed signal is best modeled as a distributed, rather than a discrete source

    在雷達、聲納、無線通信等陣列處理應用環境中，由於存在豐富的多徑散射，陣列觀測信號更適合採用分佈源模型來描述。
  4. According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i. e. two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte - carlo simulation softwares, mcstas and vitess, first. requirement on the size of the cold neutron source ( cns ) by cngs has been also studied. the results of this thesis have provided essential data as a basis of the neutron instruments designs

    本論文結合當前中國先進研究堆（ chinaadvancedresearchreactor ， carr ）中子散射工程譜儀建設的迫切需要，選擇國際上廣泛使用的通用中子散射譜儀模擬軟體mcstas和vitess作為模擬研究工具，首次對若干臺新建譜儀的設計方案進行了全面的模擬和優化研究，包括兩條冷中子導管、中子應力衍射儀和高分辨中子粉末衍射儀，並配合冷源設計研究了導管對冷源尺寸的要求。
  5. In the second part of this dissertation ( chapter 6 and chapter 7 ), it is demonstrated that in low multiplicity sample, the increase of the fluctuation of event factorial moments with the diminishing of phase space scale, " erraticity ", are dominated by the statistical fluctuations

    在非對心碰撞中，初始坐標空間中的方位角不對稱性將導致末態粒子相對于「反應平面」的角依賴性。微觀上講，末態動量空間的大的各向異性來源於碰撞最初階段的大量的再散射。
  6. The course covers non - sequential ray tracing, sources, detectors, objects, ray splitting, scattering, ghost analysis, stray light analysis, prisms, fresnel lenses, multi - element lenses, gradient index, polarization and thin film modeling

    本課程涵蓋了非連續光線的追跡、光源、探測器、物體、分光、散射、鬼像分析、雜散光分析、棱鏡、菲涅耳透鏡、多元件透鏡、梯度折射率、偏振和薄膜的建立。
  7. On the basis of increasing the flaw resolution of the x - ray radiographic system, the study is firstly concerned with the analysis made on the influence of such factors as redial sources energy, system noise, optics radiography and scattering on the radiographic system in theory, and the present dissertation looks at the methods for acquiring the radiographic system point sp read function, line spread function and module transfer function ( mtf ). on the basis of these studies, research the spread properties of the tiny flaw making use of mtf, acquiring the properties of system inspecting sensitivity and resolution, based on the system optimization designing

    本文以提高射線成像系統的疵病解析度為前提，首先在理論上對射線源能量、系統噪聲、光學成像、散射等各環節對成像系統的影響進行分析，探討成像系統的點擴展函數、線擴展函數及其調制傳遞函數（ moduletransferfunction ，簡稱mtf ）獲取方法，在此基礎上，利用mtf研究微小疵病的擴展特點，從而得到系統的檢測靈敏度和解析度給出關系特性，為系統優化設計提供依據。
  8. Optical tomography ( ot ) is an imaging modality with the near infrared light as sources for the optical parameters such as the scattering and absorption coefficients of tissues

    光學層析成像技術利用近紅外光作為探測光源，對生物組織的光學特性參數（如散射系數和吸收系數）進行成像。
  9. In our algorithm, we separate out the singly scattered radiation and apply the normal four - stream approximation of stamnes " s discrete - ordinate - method to the multiply scattered radiation alone

    我們將單次散射輻射分離出來單獨求解，對于多次散射，單次散射作為其輻射源，用kuntstamnes的離散縱標法作四流近似計算。
  10. Based on the backward propagation concept, we evaluated the feasibility of reconstructing the image of elastic wave sources and scatterers

    依據逆時傳播的觀念以評估重建彈性波源及散射體影像的可行性。
  11. Synthesizing of n - order current mode active filter by using scattering parameters

    使用散射參數綜合電流模式有源濾波器
  12. In the case of thin slot, taking the effect of wall thickness into account, the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle. the integral equation system is fonned and calculated by the moment method

    對于細長縫隙的情況，考慮了波導壁厚，利用等效原理將縫隙等效為磁流源在主波導和耦合波導中的作用，根據電磁場連續性條件建立積分方程，並用矩量法求解，進而求出耦合器的散射參數。
  13. First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed

    首先本文回顧了時域有限差分yee演算法，包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件，激勵源的設置以及散射參數的計算等。
  14. Another increasingly important ( actor is to be integrated with analog and digital circuits. for this reason, it is highly advantageous for the microwave components to be fabricated through a commercial cmos process. so we research the microwave transmission lines and apply it into phase shift

    微型硅基微波傳輸線是微波無源、有源器件及微波集成電路的重要構成基礎，本文首先對其工作原理、器件模擬、結構參數設計、制備及散射參數測試進行較深入全面的研究，並進一步將微波傳輸理論應用於mems移相器，對移相器的結構參數、相移特性及可靠性等進行了分析。
  15. When the charge deposited in the sv exceed critical charge qc, seu occurs. in order to decrease intensity of beams, heavy ions generated by tandem accelerator, bombards an au foil

    我們用hi - 13串列加速器提供的重離子輻照航天微電子器件，為了降低離子束的強度，用重離子從au靶上的二次散射離子作為輻照源。
  16. 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。
  17. The simulation results testify the validity of the above methods

    對于該三種散射源的疊加得到最終電磁散射貢獻。
  18. A stratified sample method of scattering source for time - dependent monte carlo transport

    非定常粒子輸運蒙特卡羅散射源分層抽樣方法
  19. Electromagnetic simulation computation uses three principal scattering mechanisms, including facet contribution, edge diffraction and multi - scattering

    本文採用了鏡面反射、邊緣繞射以及多次反射這三種主要的散射源。
  20. These disks are used to create a diffuse source that is optimal for coupling into fibers and attenuating the overall signal when spectrometer saturation is an issue and other attenuation methods ( such as adjusting spectrometer integration times ) are impractical or undesirable

    當分光計的飽和度成為問題或其它衰減方法（如調整分光計綜合時間）不合實際或不合要求時，這些盤用做散射源，則對與光纖耦合和衰減所有信號最優。
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