parameter transformation 中文意思是什麼

parameter transformation 解釋
參量變換
  • 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。
  • transformation : n 轉變,變化;變形;【生物學】(尤指昆蟲的)轉化,變態,改造,改革;變質;【數學】變換;【電學】...
  1. The retinal image segmentation, the feature points of blood vessel extraction, the feature correspondency, the transformation model of retinal image and the registration parameter optimizing methods are all the main facts studied in the paper

    主要研究內容包括視網膜圖像血管網路的分割、血管特徵點的提取、特徵對應性、變換模型以及參數優化等方面。
  2. Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation

    然後根據對稱性不變的原則,從整體晶格中選取結構單元,把結構單元和生長模型分別作為重整化變換前、后的圖形來進行重整化變換,選取熱力學函數易逸度為參量,寫出了重整化變換前後的配分函數和重整化變換關系式,求出了這一變換的不動點。
  3. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  4. According to the principle of mutual transformation between potential energy and kinetic energy, the vertically falling law of power law fluid by the action of unconstant static pressure and the relation between rheological parameter and time were studied, thus providing a theoretical basis for calculating the rheological parameters of fluid in funnel viscometer

    根據位能與動能的變化關系,作者研究了在非恆定靜壓作用下冪律流體垂直下落的規律及流變參數與時間的關系,從而為計算漏斗粘度計中流體的流變參數提供了理論依據。
  5. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中,課題首先從天線、陣列天線,以及電磁場計算方法的基本理論著手,分析了天線與拋物面天線的各項性能參數,以及天線的口面場和近-遠區輻射場的特點和計算;進而,更加深入的討論和研究影響天線陣列合成場強的各項因素,包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  6. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出誤差估計,使逼近螺線可達到任何預先給定的精確階。最後,給出球面nurbs曲線生成演算法:用球面上測地線? ?劣大圓弧代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。
  7. This paper discussed the coordinate transformation method of wgs84 coordinate system to 1954 - beijing gauss grid coordinate. introduced transformation model of wgs84 to beijing 54 and computing method of transformation parameter. according to different model and computing method, computed and compared with the result combine real data

    本文詳細討論了wgs84大地坐標轉換到北京54坐標系下的高斯平面坐標的方法,重點介紹了wgs84和北京54的空間直角坐標的轉換模型及轉換參數的計算方法,並根據不同的模型和計算方法結合實際數據進行計算和結果的比較,認為採用基線向量求解的四參數模型具有較高的轉換精度,分區變換和提高控制點精度也能提高轉換的精度。
  8. Then the dynamic weighing system is equivalent to system that is time changeing and non - linearity syetem, dynamic mathmatic model is established by analysis. for the system is the arma model, parameter identification method of adaptive least square based on householder transformation is adopted

    然後,將動態稱重系統等效為二階系統,分析得出了系統為時變非線性系統,推導出了其動態數學模型,並且根據系統為arma模型,將問題轉化為參數辨識問題。
  9. The most important property for hamiltonian systems is the poincare and liuville ' s conservation law of phase areas, i. e., the phase flow is a one - parameter symplectic transformation

    哈氏系統最重要的性質是龐加萊-劉維爾的一系列相面積的守恆律,即系統的相流是一個單參數的保辛變換。
  10. So choose parameter of damping device with reduce energy storage to improve cvt become and respond effective way of characteristic wink rational, this increases the capacity of sending for raising the dynamic stability of the supervoltage power transmission and transformation system, guarantee power system safe and reliable to run and have important technology economic meanings

    因此,合理地選擇阻尼器的參數以降低儲能是改善cvt瞬變響應特性的有效途徑,這對于提高超高壓輸變電系統的動態穩定性,增大輸送容量,保證電力系統安全可靠運行具有重要的技術經濟意義。
  11. The principle of multi - method and multi - parameter is suggested, which should be followed during characterizing microstructures of alloy steels by ultrasonic not method. ultrasonic velocity ( c, ) of transformation products through different heat processes of three steels was measured by high - accuracy ultrasonic installation. the velocity of quenched microstructure of 38crmoal is the lowest, which gradually increases with increasing tempering temperature between 200 ? and 650 ? after quenching process

    利用ti - 40n高精度超聲波測厚儀,研究了超聲波在不同鋼種、不同熱處理轉變產物中的超聲波速度c _ 1 : 38crmoal鋼淬火組織c _ 1最小,淬火后在200 650范圍內進行回火處理時,隨回火溫度的升高, c _ 1逐漸升高, hrc與c _ 1之間具有較好的相關性;正火組織的c _ 1介於淬火后中溫回火及高溫回火產物組織的c _ 1之間。
  12. This text aims to establish mathematics model, everyday randomicity variable to be set up by the discrete transformation method, to set up the simulation parameter form and the moleling and covariance form, draw the procedure flow chart to proceed simulative newspaper calculator problem

    摘要通過建立數學模型、運用離散反變換法產生每天賣報數隨機變量、建立模擬參量表和建模及統計變量表、畫出程序流程圖等步驟對報童問題進行模擬。
  13. Laser - scanned measuring for the diameter system involved optics, laser, electronics, computer and mechanics etc, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical sighals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real time data processing

    激光掃描測徑儀系統是一種基於光學技術、現代激光、電子學、計算機、精密機械等多學科技術於一體在線檢測系統。它是用可見激光作為光源,把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號,再由計算機進行實時數據處理,給出測量結果,並數字顯示。
  14. We propose an algorithm, which integrate the shift invariance of redundant discrete wavelet transformation ( rdwt ) and the flexibility of multi - resolution motion estimation, to overcome the shift variance of dwt and get the precise motion vector. under the different code parameter, we take the proposed algorithm compared to several present algorithms, and experiment results have shown that proposed algorithm could leave less energy in the residual frames, get more precise motion vector and better reconstructed frames

    文章最後在不同的編碼參數下,將所提演算法與兩種傳統小波域運動估計演算法作比較,根據實驗所得數據分析,發現所提演算法在性能上要優于另外幾種演算法,具體體現在運動估計后所得殘差幀能量更小,重構幀客觀與主觀質量更高。
  15. From the aspect of geometry, structure design, manufacture and examine, this paper generally summarizes the gcm ' s study progress in detail, discusses its kinetic rule and the determination of its primary structure parameter, and educes its surface equation and pressure angle equation based on the homogeneous matrix transformation and the conjugate engagement theory of spatial surface. on the basis of geometry study of gcm, the paper makes a comprehensive analysis to the interference phenomenon that will possible exist in the assemble course of two different structure of gcm with the help of matlab software

    本文從運動幾何學、結構設計、動力學、製造和檢測等方面對國內外弧面凸輪機構的研究進展進行了全面綜述,詳細論述了高速凸輪機構的運動規律和弧面凸輪機構基本尺寸的確定,基於空間曲面共軛嚙合原理,通過齊次變換推導了外弧面凸輪的曲面方程和壓力角方程,並提出了對應的廓面修形演算法;提出了內弧面凸輪機構的構想,推導了內弧面凸輪的曲面方程和壓力角方程。
  16. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先,根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域回歸方法求出模型傳遞函數各次項的系數,進而通過一定的優化演算法確定模型的各個熱阻、熱容參數,使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。
  17. Abstract : by multi - parameter testing and analysis of model of cable - stayed bridge, this paper is devoted to the study of the techniques of feature extracting and pattern recognition of its deterioration health condition applied with wavelet transformation

    文摘:基於小波理論,通過多參數試驗分析,研究了斜拉橋模型退化狀態的特徵抽取和模式識別技術。
  18. To handle this problem, a novel adaptive filter for orientation parameter design technique is proposed in this thesis according the theory of one - parameter transformation group. an algorithm for the convolution of this filter and an image is also given

    為了解決這個問題,本文基於變換群理論提出了一種方向自適應濾波器的設計方法;給出了這個濾波器與圖像卷積的演算法。
  19. The information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method

    摘要利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態,可以完全由三維最大剪應力跡線上的信息確定,進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。
  20. Abstract : the information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method

    文摘:利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態,可以完全由三維最大剪應力跡線上的信息確定,進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。
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