cross section of scattering 中文意思是什麼

cross section of scattering 解釋
散射截面
  • cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
  • section : n 1 （外科、解剖的）切斷；切割；切開。2 【外科】切片，【金相】磨石。3 （果子的）瓣。4 【數學】截...
  • of : OF ＝Old French 古法語。
  • 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. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用分形理論得到一維?二維分形隨機粗糙表面模型，研究光在一維?二維分形粗糙表面的光散射特性，主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討，採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。
  2. The knowledge of these initial collision is crucial for any theoretical treat - ment of a possible parton - hadron phase transition, the detection of which being the ultimate aim of all the efforts of co1liding heavy ions at very high energies. the parton model allows to calculate inclusive cross sections as a convolution of any elementary cross section with parton distribution functions, assuming that factorization works. the disadvantage is that tlle first interaction is coilsidered quite differently from the subsequent ones in case of multiple scattering

    其它的弦模型在計算幾率時，忽略了入射能量在pomeron之間的分配，破壞了能量守恆，而且把pomeron作為全同粒子處理，即pomeron之間是不可區分的；然而在處理粒子產生時，這些模型雖然考慮了能量守恆，但是第一個pomeron的粒子產生與其它的pomeron很不一樣? ? pomeron在粒子產生時不是全同的。
  3. Considering the diffuseness of the n - n scattering in the forward direction results in an increased reaction cross section. and also the angular distributions calculated in the glauber theory including these two corrections are in good agreement with the experiment data. in the investigation of the halo nucleus reaction with a loosely bound structure, one has to consider the strong spatial correlations among its constituents

    考慮了低動量轉移的核子?核子兩體散射在朝前方向上的彌散，使計算得到的反應截面增大，而且我們從彈性角分佈的分析中得到考慮了有限力程修正的效應無論是在峰的位置還是角分佈的絕對值都能更好地符合實驗。
  4. Al. first applies the color - dipole approach to drell - yan process, which says that in the target rest frame the drell - yan process can be viewed as bremsstrahlung. rather than parton annihilation. according to factorization theorem, the drell - yan cross section can be expressed in terms of the same dipole cross section that appears in deep inelastic scattering

    雖然高能反應的微分截面是洛侖茲不變的，但其部分子解釋卻是與坐標系有關的，最近， b . z . kopeliovich等提出靶靜止系中drell - yan過程的色偶極模型，他們認為，在靶靜止系高能碰撞的drell - yan過程是一韌致輻射過程而不是正反夸克對的湮滅。
  5. 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。
  6. In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target

    在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達散射截面便於目標隱身。激光雷達探測目標是根據目標在激光照射下，激光散射的強度、偏振和相位等的空間和時間分佈特徵來識別目標，目標表面粗糙度是影響目標激光散射特性的重要影響因素。
  7. Study of interaction potential and differential scattering cross section for he - n

    2碰撞體系相互作用勢及微分散射截面的研究
  8. Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle

    然後根據t矩陣方法，採用回轉體微粒消光特性的計算模型編制出的相應程序，對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。
  9. Calculation of scattering cross section of the electron and the second period element atom

    低能電子與第二周期元素原子碰撞截面的理論計算
  10. The transverse expansion origins in early stages, but mainly develops and finishes during the late stage of the colliding. for those heavier particles, such as j /, e, and etc., becuase of their smaller hadronic cross section, they rarely participate the final state hadronic re - scattering, and depart the system much earlier. their transverse expansion maybe is the result of the cumulative collective effect during the early partonic stage

    這種橫向擴張起源於碰撞的初始階段，但是主要是在碰撞的後期完成，而一些重的粒子，如j 、和，由於具有較小的強子散射截面，幾乎不參與末態強子的再散射，較早的離開碰撞系統，它們所表現出來的橫向擴張運動可能是來自碰撞初期部分子階段的部分子的集體效應的累積結果。
  11. With the increasing development of radar cross section ( rcs ) reduction techniques, scattering from the slots or grooves have provided more important contribution to a target ' s scattering behavior

    隨著雷達散射截面（ rcs ）減縮技術的發展，縫隙對目標散射行為的影響日益突出。
  12. Under the given condition, we have proved the existence and uniqueness of the minimum norm scattering - fission cross section control element, and have given its corresponding optimality conditions

    在一定條件下證明了最小范數散射裂變截面控制變量的存在性和唯一性，並給出其相應的優化條件。
  13. In the end, the theory of fractal geometry is applied to the waves propagation and scattering in atmospheric turbulence, and the first and second order moments of the scattering fields are derived by considering the effects of the fractal atmospheric turbulence. the normalized back - scattering radar cross section of a perfectly conducting disk is calculated. the influence of fractal dimension of atmospheric turbulence on the radar cross section is analyzed

    本文最後將分形理論引入到湍流大氣中的波傳播和散射領域，導出了分形大氣湍流中光滑導體目標散射場的一階矩和二階矩，以光滑導體圓盤為例研究了湍流大氣的分維對導體目標後向散射截面的影響。
  14. And then the solutions for displacement mode of scattering wave at far field and scattering cross - section are provided at the interface cavity when it is ellipse and diamond

    在求解了界面孔對sh波散射的近場解的基礎上，進一步研究了其遠場特性。給出了界面橢圓孔和方孔的遠場位移模式和散射截面的解答。
  15. Thirdly, the cluster - cluster aggregation model is used to study the possible structure of aggregated smokescreen particle. we also develop the mathematical radiation extinction model of aggregated particle based on t - matrix method. associated with monte carlo method, another computer program is designed to simulate the extinction cross section and scattering cross section of actually aggregated particle

    本文還將「凝聚體?凝聚體」凝聚模型應用於煙幕凝聚現象研究，模擬出了煙幕凝聚粒子的可能結構，並且根據t矩陣方法發展了凝聚粒子消光特性的計算方法，結合montecarlo方法，編寫了能夠模擬實際煙幕凝聚粒子消光截面、散射截面的計算程序。
  16. The electromagnetic field theory and numerical calculation are the research basis of electromagnetic scattering problem, they have important applications in many aspects such as calculation of radar cross section ( rcs ), analysis of electromagnetic scattering characteristic of target, electronic countermeasures, stealth design and identification of target

    電磁場理論及數值計算是研究電磁散射問題的基礎，在目標雷達散射截面（ rcs ）計算、電磁散射特性分析、電子對抗、隱身設計及目標識別等方面都有重要的應用。
  17. The calculated double differential cross section of the new model is compared with experimental data and previous scdw calculations with single particle model. the calculated cross sections are larger than those given by previous calculations at backword and forward angles and smaller than those given by previous calculations near the quasi - elastic scattering ( qes ) angle. the agreement with experimental data is much improved

    新模型的雙微分截面計算結果與實驗值以及以前採用單粒子殼層模型時的計算結果進行了比較，表明cdfm模型的引入對scdw模型的計算結果有較大的改進，使其在大角度和極小角度區域有所增大，在準彈性散射角附近有所減小，從而能更好地與實驗值相符合。
  18. ( 2 ) there are no reports on the analytical solution of antiplane scattering of shallow circular - arc cross - section alluvial valley because of limit of the special functions, although it possesses practical engineering values

    （ 2 ）淺圓弧型沉積盆地是一種更具有工程實際意義的局部場地，關于這種典型場地出平面散射的解析結果尚未見報道。
  19. Several typical sites are chosen in this paper in order to investigate the main points of wave function expansion method applied to elastic wave scattering problems. antiplane scattering analytical solution for the alluvial valley of shallow circular - arc cross - section is investigated, which has practical engineering value

    本文選擇了幾種典型場地，研究了波函數展開法在求解其中局部場地彈性波散射問題時的要點，對更有工程實際意義的淺圓弧型沉積盆地，研究了其出平面散射解析解答的收斂性和精度。
  20. We have studied the variation of the differential cross section in inelastic scattering with the parameters of annihilation potential and compared with experimental data. we have got the better potential parameters of three models and the graph of the differential cross section, give the range of the best parameters

    通過研究湮沒勢各參數對非彈性散射微分截面的影響，並與實驗數據進行比較，我們得到了三種模型較好的勢參數及非彈性散射微分截面圖，給出了最佳參數的范圍。
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