散射幾率 的英文怎麼說

中文拼音 [sǎnshèjīlǜ]
散射幾率 英文
scattering probability
  • 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） ...
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication

    根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。
  2. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上，應用分類結果比較法，在gis各種空間分析功能（幾何量算、統計分析、疊加分析及緩沖區分析）的支持下，對該區土地利用變化進行了如下分析：土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明：該區土地利用變化主要表現為耕地大量減少，斑塊破碎化；交通用地沿二環線呈放射狀向四周擴展；城鎮用地沿交通干線向西南方向擴張迅速，用地趨于集中；農村居民點和工礦業用地增加，用地趨于分散；其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  3. A simulative algorithm of laser beam scattering by an object in near field is given. based on the algorithm, a simulative software is worked. and by using geometrical modeling and hiding, the received power of remote system for f16 airplane, as an example, is computed

    4 、提出激光引信目標近場散射特性模擬演算法，編制了模擬軟體，並以f16飛機為例，通過幾何建模和消隱處理，計算了目標不同姿態、不同脫靶量和不同脫靶方位角時，彈目交會過程激光引信接收系統的接收功率。
  4. We firstly summarize the development of yb - doped fiber lasers, pumping methods and the applications of high - power fiber lasers. 2. considering the scattering loss, we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations, numerically analysis the changes of laser performances, such as laser power with the parameters of laser cavity, including output mirror reflectivity, optimum length of double clad fiber

    研究主要內容包括如下幾個方面:一、首先對摻鐿光纖及摻鐿光纖激光器的發展狀況、包層泵浦技術和高功率光纖激光器的應用等進行了綜述;二、在前人對高功率雙包層光纖激光器的理論基礎上，在考慮了光纖散射損耗因子的情況對光纖激光器理論進行了推導，給出了準解析解，進一步完善了理論分析。
  5. ( 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。
  6. The stronger orientation of potential is, the weaker repulsive potential is, and the bigger probability of non - elastic scattering is. the dcs in exciting states is smaller when small angles, and will be bigger when big angles

    非彈性散射截面與勢能的方向性和排斥勢的強度密切相關，勢能的方向性越強，排斥勢越弱，產生非彈性散射的幾率就越大。
  7. 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。
  8. The study lies in following aspects : 1 ) a great number of experiments on sfrc are carried out to obtain the basic data of sfrc energy properties, which are the fundamental parts of further study. 2 ) a probability analysis based on statistical theory is done to all the experiment data. in the end, energy criterion for sfrc associated with security criterion are calculated and listed for future use

    本文主要針對鋼纖維噴射混凝土在單層隧道襯砌中的應用進行了研究，內容包括以下幾個方面： 1 ）進行了大量的鋼纖維混凝土標準試件試驗，試驗的成果和數據為研究鋼纖維混凝土的能量特徵提供了事實依據和參考； 2 ）運用概率統計方法對鋼纖維混凝土的指標進行了可靠性分析，得出了實際可以接受的保證率下的鋼纖維混凝土能量指標； 3 ）通過合理的假設和簡化，研究了鋼纖維混凝土構件在破壞過程中的能量耗散機理。
  9. If an electron with k state is initially in one miniband, elastic scattering will make the difference of the probability band occupation tend to zero. if electrons initially are located at a single wannier state, elastic scattering will make the difference of the probability band occupation tend to a constant which does not equal zero. the stable distribution in k space is just the same as the average distribution when no scattering

    發現彈性散射會破壞電子間的關聯，使得初始處在某一微帶上的態電子在兩微帶上的佔有幾率趨於一致；初始電子處在實空間的單個瓦尼爾態上時，最後在彈性散射的影響下兩帶佔有幾率差不為零，並且在上的穩定分佈和沒有散射時的平均分佈相同。
  10. Parton 6ascd gti6ov - regge theory, realized in the monte carlo code nexus, provides a consistent approach for hadron - hadron scattering and the initia1 stage of 11ucleus - - nucleus collisioils at ultrarelativistic energies

    與其它模型相比， nexus更為自洽地處理了多重散射，即在幾率計算和粒子產生中一致地處理了pomeron 。
  11. The backward scattering field of extended target is approximated as the synthesis of many strong scatter centers on target, and geometric optical method is used in establishing deterministic model of a aircraft in the paper, the model is used to evaluate the performance of frequency diversity in suppressing glint at last

    本文將復雜目標後向散射回波近似為目標上若干強散射中心回波的合成，結合幾何光學法得到了某種飛機目標的確定性模型，並用該模型評定頻率分集對角閃爍抑制的改善性能。
  12. Fourthly, the resonance structure disappears in the energy dependence of integral cross - section due to the summation of partial waves

    另外在積分散射截面中，由於對各個分波求和，能量幾率曲線的振動結構消失了。
  13. By calculating the feynman diagram in rtf, we find that when taking into account both the thermal photon emission, absorption and the virtual photon exchange processes, the infrared divergences at zero and finite temperature can be cancelled at the same time. the full quantum calculation results for soft photon radiation coincide completely with the poisson distribution obtained in the semiclassical approximation ( the coupling of the classical current and quantized field )

    通過實時溫度場論下的費曼圖計算，我們得到：將實光子的發射、吸收，虛光子的交換過程同時考慮時，零溫場論中出現的和由溫度效應引起的紅外發散都能得到消除；並且完全量子場論下的軟光子輻射幾率與半經典近似下（經典的電流和量子化的電磁場之間的耦合）得到的泊松分佈結果完全一致。
  14. Also, any negatively refracted wave would be rapidly smeared out in only a few wavelengths by dispersion, which valanju maintains will always be a major problem in a negative index material

    此外，負折射波將在幾個波長內因色散而快速衰減，瓦藍朱認為這將是負折射率材料最大的問題。
  15. In the course of scattering with the same energy, the excited probabilities of lower exciting states are far off bigger than ones of higher exciting states. all in all, the adapted ms potential has advantages of concision form, less adjustable parameters, convenient for applicant

    當體系能量一定時，不管是微分散射截面還是分波散射截面，彈性散射的幾率大，對總的散射截面貢獻最大；非彈性散射的幾率小，對總的散射截面的貢獻也小。
  16. 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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