z parameters 中文意思是什麼

z parameters 解釋
z參數
  • z : n （pl Z s z s ）1 英語字母表第二十六個字母。2 【數學】第三個未知數；（中世紀羅馬數字的）2000。3 ...
  • parameters : 編輯特徵參數
  1. A. douady had suggested to study dynamics of biquadratic polynomials. by definition, a biquadratic polynomial is the composition of two quadratic polynomials, so it is an even quartic polynomials which can be written as f ( z ) = z4 + az2 + 6, where a, b are parameters. it is easy to see that / has a critical point at 0 and two symmetric critical points at

    A . douadv曾建議對雙二次多項式的動力系統進行研究，所謂雙二次多項式就是兩個二次多項式的復合，也即偶四次多項式，在一個線型共軛下可以記為fz ） = z ~ 4 + z ~ 2 + b ，這里o ， b是參數，點0是它的一個臨界點，另外還有兩個對稱的臨界點（ （ - a ） 、 2 ） ~ 2 。
  2. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗差估計相結合的抗差譜分析方法，並用該方法分析了地心運動時間序列的主要周期特性；為合理地確定地心運動參數，詳細研究與分析了一種新的定權方法對求解地心運動參數的作用，該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性；為了明確地心運動導致的高程基準的變化，分析了地心運動對地面點的水平分量和垂直分量的影響規律。
  3. 2 ) from the analysis of the aerodynamic parameters and turbulent flux transfer under different synoptic conditions we achieve the conclusion that on sands raising and sandstorm days turbulent momentum and sensible - heat fluxes are important exchange factors in the boundary layer, with turbulent exchange stronger in sandstorm weather than both on fine and sand raising days. prior to the occurrence of such an event, in particular, the super - adiabatic instability in the near - surface boundary will reinforce sandstorm weather condition. 3 ) atmospheric turbulent diffusion parameters z and y have apparent daily variation

    沙塵天氣下以親地殼元素為主的氣溶膠元素濃度均高於背景大氣和浮塵天氣，而且沙塵天氣強度愈強，元素濃度的增加愈顯著；背景大氣、浮塵天氣條件下親地殼元素的濃度一般在10 ~ （ - 1 ） 10 ~ 0 g m ~ 3量級，揚沙、沙塵暴時一般達10 ~ 1 g m ~ 3量級，特強沙塵暴時高達10 ~ 2 g m ~ 3量級。
  4. Based on the micromagnetic model of the sm ( cocufezr ) z thin films presented in this thesis, the pining field has been computed with different physical parameters of the cell boundary phase

    本文首先建立了sm （ co ， cu ， fe ， zr ） z薄膜疇壁釘扎的二維微磁學模型，研究了胞壁相的厚度和磁晶各向異性常數對疇壁釘扎的影響。
  5. And we know by study, so long as system is controllable and observable at the structure ( over the field f ( z ) of the rational functions in multi - parameters ), it is always controllable and observable over the field r of real numbers

    通過研究我們知道，一個系統只要在結構上（多元有理函數域（ f （ z ） ）上）是能控能觀的，則意味著實數域上該系統實際上總是能控能觀的。
  6. Dynamic weighing system is as a second - order system and set it up model, then has its transform function laplace transform and z transform, at last has a formula that m is only relation to the system parameters. this article has system identified with the recursive least square ( rls ) method, and has the system parameters, while the auto - regressive - moving - average ( arma ) model for the second order weighing system is firstly derived. and has a equation which the mass is only correlation to the system parameters

    論文具體分析了定量稱量問題，首先是把稱量系統看作是一個二階系統，建立數學模后，進行拉普拉斯變換和z變換后得出一個質量僅與系統參數有關的關系式，從而把稱量問題轉化為一個系統參數識別問題來解決。通過編寫的程序來採集系統信號並進行處理（運用漸消遞推最小二乘法）對系統參數進行識別，從而得出稱量結果。
  7. The main contents include : with combination of z - n pid self - tuning formula and relay self - adaptation control methods, the pid parameters of weld area of furnace is given automatically

    論文研究工作主要包括：結合z ? npid自整定公式和繼電自整定控制方法，自動整定加熱爐焊接區的pid參數。
  8. While analyzing controllability and observability of system over the field f ( z ) of the rational functions in multi - parameters, we must use the algebraic criteria. so we have to get its state equations in the first place

    在分析f （ z ）上系統的能控能觀性時，要應用其代數判據，這就要首先求出其f （ z ）上狀態方程系。
  9. In the scheme of the vccc, we calculate the relationships between the distributions of the magnetic field along z - axis or x - direction and various parameters of the vccc, and obtain several fitting equations that can be used to describe the relationships mentioned above

    在v -型載流導體方案中，首先計算了磁場在導引中心處沿z軸方向和x方向上的分佈，分析了磁場空間分佈與載流導體參數之間的關系，給出了幾個擬合公式。
  10. Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function

    分析中可以發現，中心差分方法， newmark中點加速度方法、 z變換方法及duhamel逐步積分法在精度范圍內其計算相位是沒有畸變的，中國地震局工程力學研究所頃土學位論文一但是中心差分方法， newmark中點加速度方法隨著采樣間隔及系統自振頻率的增大，系統的固有自振周期被改變，其傳遞函數的共振區域與理論傳遞函數的共振區域會發生分離。
  11. Firstly, tool - path for rough machining is generated through setting cutting depth, machining allowance and other parameters. interferences are resolved through raising the z - components of the generated cl point according different kind of situations. and then two methods to generate tool - path for finish machining is presented

    首先通過設定切削深度和加工余量等參數生成遞歸分割曲面模型的粗加工刀具軌跡，對刀具軌跡生成過程中多種抬刀情況分別進行處理，避免粗加工中的過切干涉。
  12. By using the measure and research of the emulating two - port network parameters of using direct - current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating software pspice8. 0, the measure and research have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient, and also brought about the analysis of alternating current and direct - current for two - port network of any one complex and measure and research of y 、 n 、 z 、 t 、 h and so on parameters, and this opens up one new path for many traditional experimient of not easy to fulfil and for the complex circuit

    摘要利用電路模擬軟體pspice8 . 0中直流分析及正弦穩態電路的數值輸出功能模擬二埠網路參數的測量與研究，解決了傳統實驗中只能測量簡單、單一的純電阻網路問題，實現了對任一復雜二埠網路交、直流的分析及y 、 z 、 t 、 h等參數的測量與研究，為更多的不易完成的傳統實驗以及復雜電路的分析研究開辟了一條新路。
  13. By changing these parameters and the z - directional stiffness of the outer - ring, the stiffness and the damping characteristic of the damper can be varied

    在轉子系統支承中引入摩擦阻尼器能夠降低支承剛度，從而降低系統的臨界轉速，避開工作轉速。
  14. Abstract : in this paper, the compression equations for irregular shape materials of soybean and wheat grain, and a new “ z ” transformation method for the stress relaxation parameters identification were put forward

    文摘:提出了不規則形狀的大豆、小麥種子的擠壓方程和應力鬆弛參數識別的z變換法。
  15. We reconstructed the phase space and calculated the nonlinear parameters such as correlation dimension, the largest lyapunov exponent, approximate entropy, and l - z complexity of the data. it can be conclud from the results that the reconstruction of heart beat rate signal is strange, its correlation dimension is between 5 to 7 and have the character of fractal dimension, its largest lyapunov exponent is larger than zero, its approximate entropy and l - z complexity are obviously differ from noise. we can draw a conclusion from all above : the heart beat rate signal is n ' t simple noise, it is high dimensional chaos obeys certain dynamical law

    我們還對信號進行了相空間重構，計算了信號的關聯維數、最大lyapunov指數、近似熵和復雜度這幾個非線性特徵量，我們發現，心率信號的吸引子是奇怪吸引子，關聯維數介於5到7之間，具有分維的特徵，其最大lyapunov指數大於0 ，其近似熵值和復雜度值明顯區別于噪聲，這說明心率信號不是隨機噪聲，它是服從確定性動力學規律的高維混沌信號。
  16. It processes these data that gathered from the optical measurement system or other 3d measuring apparatus directly without the preprocessing of wiping off noise points. user can define the resolution of the exported triangle mesh through setting a few parameters. it still can process other information of the points of cloud except for the x, y, z coordinates, such as color information ( rgb )

    它可以直接處理來源於光學測量系統或者其他的一些三維測量系統的數據，而不用經過去除雜點的數據預處理過程；輸出三角形網格的解析度可以由用戶通過設置一些參數來進行控制；這個演算法還可以處理一些來自於點雲的點所帶的除了（ x ， y ， z ）坐標以外的一些信息，比如說顏色信息（ rgb ）等；此外我們還提供了幾種可以實現的紋理映射（ texturemapping ）的思路。
  17. This dissertation brings forward a new method of modeling and simulation on interconnect ? fem - vfm, which combines finite element method with vector fitting method. we can get the scatter / admittance / impedance ( s / y / z ) parameter by fem in frequence domain, gain the equivalent spice circuits of interconnect structure by vfm, and extract the circuit ’ s parameters which are used to analyze in time domain. this method lets the simulation not only contain the information of pcb ’ s structure but also have a sustainable computing speed

    首先通過電磁場數值分析方法?有限元法（ fem ）對互連結構進行模擬分析，而得到的散射/導納/阻抗矩陣參數（ s / y / z矩陣參數） ，然後通過矢量擬合方法（ vfm ）把s / y / z矩陣參數轉化為等效spice等效電路模型，並且提取出電路參數，完成了頻域到時域的轉換，最後使用電路模擬器進行時域模擬，從而開發出了一系列高速數字pcb板設計規則。
  18. Parameters such as bo, gor, z, o, ( subscript g ), ( subscript w ) and so on, can be obtained by pvt experiments, using these parameters we can obtain oil - gas - water yields of floor condition

    將全井各油氣小層段的油氣水產量疊加，即可求出全井所有油氣層的油氣水總地層產量。
  19. The proposed algorithm lows the complexity by choosing decision delay in advance and then making solution of the equalizer tap coefficient, a new decision delay choice method is proposed, solution by using weight method, diagonal matrix transform, z extension and a new energy restrictive condition which restrains noise enhance, a new decision delay choice method is proposed, the simulation result shows that the proposed algorithm has better equalization effect and enhanced performance comparing to the general mmse algorithm, simulation research on the precision and dynamic scope of parameters in digital realization time domain equalization algorithm, design software and hardware of time domain equalizer. fourthly, there exist a lot of interfere in dsl line, especially, dsl works in multi - user mode, the near end interference is serious

    通過先選擇判決時延，再進行時域均衡器抽頭系數求解的方法降低了時域均衡計算復雜度；對于均衡器抽頭系數的求解使用了加權技術，通過對角矩陣變換， z擴展，使用不同的能量約束條件對演算法求解，結果表明這種約束有效的抑制了噪聲增強，與常用刪se比較，該演算法有更佳的均衡效果，演算法性能得到了提高：論文還對數字化實現時域均衡演算法中每一部分參數的精度、變量的動態范圍進行了模擬研究，對時域均衡的軟硬體實現進行了設計。
  20. The workload is enormous and it is very difficult to guarantee the exactness of the result, so it is very valuable to develop a set of computer - assisted software for founding the state equations and analyzing the correlative properties of system over the field f ( z ) of the rational functions in multi - parameters

    而此過程涉及到人工分析系統結構及復雜的矩陣符號運算，工作量巨大，且很難保證結果的準確性。因此，開發一套建立f （ z ）上系統狀態方程系並能進行相關性質分析的計算機輔助軟體便極有價值。
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