density scattering 中文意思是什麼

density scattering 解釋
密度散射
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  • scattering : adj. 1. 分散在不同方向的,分散在不同范圍的。2. 廣泛擴散的。3. (選票)數量分散的,不集中的。n. 1. 散亂。2. 在媒介質中的散播。3. 【物理學】散射。adv. -ly
  1. Therefore, in principle the scattering may be predicted from measurements of the surface profile. in this paper the author also discussed nonspecular scattering for mo / si multlayer coated primary and secondary mirrors of the measured schwarzschlid optics based on power spectral density of these mirrors measured by both optical profilometer ( wyko ) and atomic force microscopy ( afm )

    因此,我們可以通過檢測多層膜反射鏡基底的粗糙度來表徵多層膜反射鏡非鏡面散射對光學系統性能的影響,亦即通過檢測多層膜反射鏡基底的粗糙度調整拋光工藝參數,獲得低散射的多層膜反射鏡。
  2. The aa interaction which we take is in good agreement with the experimental ground binding energy of t he. the a. a potentials reproducing the experimental value of ba ( a / fe ) are obtained by folding the density distribution of the a particle and ajv local potentials which give a very good fit to the a - proton scattering data

    ) ?勢是通過選取( ? ) -質子散射的實驗值數據較好的( ? ) -核子定域勢、以4he核的密度分佈作折疊積分得到; -勢符合低能-散射實驗及sbe的基態共振能量。
  3. Therefore we could carry out numerical calculations and obtain the reaction cross section, the nucleon removal cross section and the momentum distribution in the scattering of a halo nucleus with any types of density distributions. we compare the reaction cross sections calculated in the few - body glauber theory and the optical - limit glauber theory

    進一步對27p 、 28p反應截面的研究分析表明,考慮核芯2751的增大可以很好解釋實驗測量得到28p反應截面的增大,而要解釋27p反應截面的異常增大,需要同時考慮核芯2 「 si增大和具有非常彌散空間分佈的2s , , :態暈核子。
  4. A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water

    本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系,發現隨著海水深度的增加,散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體( lighttools )對海水中的散射進行模擬實驗,研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明,隨著粒子半徑、粒子密度和相對折射率的增加,散射的強度將顯著增加。
  5. In this paper, the subband structure in the inversion layer is constructed by solving the self - consistent schr ? dinger equation, thus the carrier effective mass and scattering rate can be obtained. furthermore, taking account for the carrier density in each subband, we establish carrier mobility model in strained - si mosfet

    本文通過求解自洽薛定諤方程,確定了應變硅mosfet反型層的子能帶結構,在此基礎上經進一步計算得到子能帶內載流子的有效質量和散射幾率,綜合考慮各子能帶上的載流子的濃度分佈,建立了應變硅mosfet載流子遷移率的解析模型。
  6. In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method

    為使理論計算變得可行,我們在核芯和靶核密度採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分(八重以上,並且積分維數隨暈核子數很快增加)採用蒙特卡洛方法計算。
  7. How improving the capability of ict has become more and more an important task, for example, improving spatial resolution and density resolution, reducing scan time, enlarging the size of measure space, improving image quality, etc. moreover the question of the energy spectrum hardening and the photon scattering is one of important bottleneck to restrict the improvement of ict

    如何提高工業ct的性能指標,如怎樣進一步提高空間解析度、密度解析度,減少掃描時間,增大可測工件尺寸,改善圖像質量等等成為了ct界面臨的重要任務。而其中射線的能譜硬化和散射問題,又是制約工業ct各項性能指標提高的重要瓶頸之一。
  8. Therefore, the noise such as crystal scattering due to long exposure time can be suppressed, and storage capability and fidelity can be improved. the high - density holographic storage system, including on - line and off - line heating units, has been designed and implemented for our experiments

    研製了包括在線與離線小型精密溫控加熱裝置、晶體夾持器和角度? ?分維復用光學讀寫系統等主要部分的高密度全息存儲的熱固定系統,該系統操作靈活並具有實用性,其存儲能力不少於10000幅全息圖。
  9. The high density dislocations behave like deep - level donors and the dislocations scattering is considerable at low temperature especially. besides, when the insb buffer layer thickness became 80nm, the roughness of insb epilayer increased. the initial stage of insb growth on gaas substrate is

    透射電子顯微鏡發現,在insb / gaas薄膜的界面處分佈有間距為3 . 5nm的失配位錯陣列,界面處的高密度位錯可體現出類似深能級施主的特性,尤其在低溫下對載流子散射更加顯著。
  10. The study shows that coulomb scattering becomes more important at low transverse - electric field and both the density and the distribution of charged - centers play an important role in el ectron transport in sic inversion layers. the radiation response and electric characteristics of 6h - sic mos structure is studied with experiment for the first time

    在實驗上首次對6h sicmos結構的電特性及其輻照引起的電參數退化進行了研究,結果說明:在氧化層電場較高時是fowler nordheim隧穿電流決定著sicmos結構的漏電流。
  11. This thesis first stduies electron density imaging based on compton scattering energy spectral data

    本文從康普頓散射的能譜出發,研究物質電子密度圖像的重建問題。
  12. Then, base on the determine channel modeling methods, we present a frequency - selective mimo fading channel with von mises probability density function, which is used to characterize non - uniform angle - of - arrival caused by non - isotropic scattering. then we analyze partial cross correlation function of proposed model and proved the model theoretically

    然後,通過對其它多入多出通道模型的分析和對比,並基於確定性通道建模方法,建立了一種通用的頻率選擇性多入多出衰落通道模型,藉助「 vonmises 」概率密度函數,以描述非均勻散射體導致的非均勻本地來波方向分佈。
  13. Testing of paper - determination of the density - related light - scattering and absorption coefficients of paper and fibre materials

    紙的檢驗.與密度相關的纖維及紙的光散射和吸光系數的
  14. It was found that the linear growth rate of srs is reduced substantially due to ld and cd. srs can occur only for a region determined by both electron temperature and density. gap in the spectrum corresponding to raman scattering can be explained by the present model

    結果表明碰撞阻尼和landau阻尼大大降低了受激raman散射的線性增長率,並且碰撞阻尼和landau阻尼的共同作用使得受激raman散射只能在四分之一臨界密度以下區域的一窄小的密度范圍發生,我們這個理論模型可以解釋受激raman散射光譜上存在的「縫」 ( gap )現象。
  15. The emphasis on the applications of constrained regularization method is the identification of weight density distribution of hanging cable and rotating shaft, inversion of particle size distribution from light scattering data, the reconstruction of the atomatic radial distribution in exafs spec - troscopy

    其中,我們的重點是約束正則化方法在懸索與旋轉桿的重力密度識別、顆粒粒徑分佈的光散射反演、 exafs光譜學中原子徑向分佈的重構等問題中的應用,並同時進行了數值試驗。
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