dispersion parameter 中文意思是什麼

dispersion parameter 解釋
分散度參數
  • dispersion : n 1 分散，散開；散布，傳播；離散。2 【物理學】彌散，色散；【化學】分散作用；被分散物；分散相，分...
  • parameter : n. 1. 【數學】參數，變數；參詞；參項。2. 【物理學】參量；（結晶體的）標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. Optical amplifiers - test methods - polarization mode dispersion parameter - poincare sphere analysis method

    光學放大器.試驗方法.偏振模式分散參數. poincare球面分析方法
  2. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  3. Optical amplifiers - test methods - part 11 - 2 : polarization mode dispersion parameter - poincar sphere analysis method

    光學放大器.試驗方法.第11 - 2部分:偏振模式分散參數. poincar ?蠣娣治齜椒
  4. Optical amplifiers - part 5 : polarization mode dispersion parameter - general information

    光學放大器.第5部分:偏振式散射參數.一般信息
  5. The numerical results of the dispersion relation show some nonlinear effects : for a fixed geometry of a waveguid, beam parameters and plasma density, the increment of the modulation parameter may lead to a slight increment of the operating frequency, however, as the modulation parameter increases further, saturation may occur and the dispersion relations are hard to be separated, it is due to the overmodulation of the microwave power, this phenomenon itself belongs to the nonlinear effects

    對於一定的波導、電子注參量和等離子體密度值，等離子體調制系數的增加，使工作頻率略微升高。但是，隨著等離子體調制系數的進一步增加，色散曲線變得彼此之間不可分辨，可以認為是等離子體的過調制導致了柵的飽和。這一現象是非線性的，可見，等離子體柵和調制場中文摘要是非線性關系，等離子體柵是非線性j 。
  6. On evaluating the hitting precision of a missile which throws sub - missiles, it is a key question to estimate the normal distribution parameter of the sub - missile dispersion center

    對帶有均勻拋撒子彈頭的常規導彈的命中精度評定，其關鍵在於子彈散布中心分佈參數的準確估計。
  7. Abstract : on evaluating the hitting precision of a missile which throws sub - missiles, it is a key question to estimate the normal distribution parameter of the sub - missile dispersion center

    文摘:對帶有均勻拋撒子彈頭的常規導彈的命中精度評定，其關鍵在於子彈散布中心分佈參數的準確估計。
  8. The second part mainly reviewed the study history, actualities and existinbg problem. this is helpful for the model building, variables selecting and parameter estimating, hi the third part, the arrival process and serve process are studied based on the survey data, especially the delay process is mainly analyzed including the dispersion vehicle headway time distribution

    第三部分則根據實測數據，對交叉口車輛的到達過程和服務過程作了詳細的分析，特別分析了車輛的受阻過程，並用對數正態分佈擬合排隊車頭時距的分佈，為模型的建立和車輛延誤過程的模擬奠定了基礎。
  9. Each automatic control model has function dispersion and can deal with parameter checking, calculation, control strategy, information output and process parameters time _ control. these functions will auto _ run effectually and reliably that make control dispersion

    每個模塊都實現了功能分散控制，對過程參數檢測及運算處理、控制策略的實現、控制信息的輸出以及過程參數的實時控制等都在各個模塊的過程式控制制單元中有效地、長期可靠地、無人干預地自動進行。
  10. This system has function dispersion and can deal with parameter checking, calculation, control strategy, information output and process parameters time - control. these functions will auto - run effectually and reliably that make control dispersion. fieldbus intelligential model layer in this system is made of a few intelligential models in the fields

    該系統實現了功能分散控制，對過程參數檢測及運算處理、控制策略的實現、控制信息的輸出以及過程參數的實時控制等都在現場的過程式控制制單元中有效地、長期可靠地、無人干預地自動進行，從而實現控制功能的高度分散。
  11. From the experimental results, we studied the relationship between the diameter of fiber, the composition of s s and the impacts upon the electromagnetic parameter of fibers. get following conclusions : both the complex permeability and the complex permittivity of ss fibers decreased with the increase of diameter in some region, the complex permittivity of 304 ss fibers, 2 m in diameter, could be up to 2. 5 at the 2 ghz, the 302 ss fibers had better frequency dispersion properties than others, agreed with the requirements of the wide - band radar absorbing material in the range of 2ghz ~ 12ghz

    西安建築科技大學碩士學位論文討論了影響不銀矜岡纖維電磁參數的幾個因素，實驗結果出發研究了纖維直徑、成分對纖維電磁參數的影響，得到以下結論:不鉀練岡纖維的微波磁導率隨纖維直徑的減小而增大; 2微米的304不銹鋼纖維的復數磁導率p 』 『在zgi ]吃處達到2 . 5 ; 302不韌矜岡纖維電磁勝能明顯優于其它兩種，且頻譜特性在2 ~ 1zghz范圍內符合對吸收劑頻譜特性的要求。
  12. In chapter one, we propose a new mixed method called characteristics mixed finite element method for a convection - dominated diffusion problems with small parameter e : we handle the convection part whth backward difference scheme along the characteristics, obtain much smaller time - trunction errors and avoid numerical dispersion on the front of the peak curve of the flow : we use a lowest order mixed finite element method to deal with the diffusion part, so this scheme can approximate the unknow function and its following vector with high accuracy at the same time

    第一章中我們對小參數對流占優擴散問題提出了新的數值方法? ?特徵混合有限元方法，即對方程的對流部分採用沿特徵線的後退差分格式求解，以保證較小的截斷誤差限並避免了在流動的鋒線前沿數值彌散現象的出現；對流動的擴散部分採用最低次混合元方法求解，以保證格式對未知函數及伴隨向量的同時高精度逼近。由於該方法中檢驗函數可取分片常數，此格式在某種意義上具有局部守恆性質。
  13. First, on the basic theory of the coaxial disk cylindrical waveguide, we analysis field equation in each area of the coaxial disk cylindrical waveguide with longitudinal ribs. the dispersion equation and the coupling impedance of this structure are obtained by means of triangle function ' s orthogonality and combing with the field matching method. through the numerical calculation, we discuss the influence of various structure ' s parameter on the dispersion and the coupling impedance

    主要工作和創新成果如下：一、首先在盤荷波導理論的基礎上，嚴格分析加上脊后的各區場表達式，利用邊界條件和函數的正交性推導出對應的色散方程和耦合阻抗表達式，並通過數值模擬計算，詳細討論了該結構的幾何參數對色散方程和耦合阻抗的影響。
  14. 3. in order to show the fact that the - licrowave modulates the background plasma density and the density grating influences the propagation of the microwave in return, the dispersion relation of the dielectric cerenkov maser filled with plasma grating is derived when the modulation parameter is varied

    三、為了反映等離子體被微波場調制從而形成密度周期性分佈的等離子體柵，反過來影響電磁波的傳播這一物理事實，在調制系數變化的情況下，從等離子體柵的等效模型出發，推導了等離子體柵填充的介質cerenkov脈塞的色散方程。
  15. The dispersive characteristic of sws is a very important parameter of the rbwo and rtwt, other parameters such as the phase velocity, group velocity, coupling impedance can be derived from the linear dispersion relation. recently, the photonic crystal have attracted many attentions of the scientists, which has become a hot point of the research, it is also a ps

    周期慢波結構色散特性是研究高功率微波器件的一個重要參量，其他重要特性如相速、群速、耦合阻抗等參量都可以從色散關系衍生出來，準確，快速獲得周期電磁結構的色散特性就顯得尤為重要。
  16. Calculating adopts the way of finite unit spot parameter by using the character of dispersion. thus, it can get the similar answer of stress, stress strain and displacement. supervising uses strainmeters, non - stressmeters and tiltmeters, which are buried in the concrete wall to supervise the stress, tress strain, displacement during period of working and makes the forecast

    計算採用有限元法將混凝土防滲墻利用離散化變為有限單元節點參數，從而得到應力、應變、位移的近似解；監測採用應變計、無應力計及測斜儀現場埋設在砼墻體內對混凝土防滲墻在施工期及運行過程中進行監測其應力、應變、位移，從而作出預報。
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