函數擬合 的英文怎麼說

中文拼音 [hánshǔnǐgě]
函數擬合 英文
function fitting
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。
  2. By mapping input data into a high dimensional characteristic space in which an optimal separating hyperplane is built, svm presents a lot of advantages for resolving the small samples, nonlinear and high dimensional pattern recognition, as well as other machine - learning problems such as function fitting

    Svm的基本思想是通過非線性變換將輸入空間變換到一個高維空間，然後在這個新的空間中求取最優分類超平面。它在解決小樣本、非線性及高維模式識別問題中表現出許多特有的優勢，並能夠推廣應用到函數擬合等其他機器學習問題中。
  3. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  4. The mean grey value of ice is 154 using simulation of gauss error function

    採用高斯誤差函數擬合，計算得到冰的平均灰度值為154 。
  5. As the cam profile with constant - velocity - constant - acceleration ramp feature and with continuous higher derivative lift feature is widely adopted in the advanced high - speed internal combustion engines, the cam ramp profile is fitted with a reasonable function and the cam - lift profile is fitted with a polynomial function

    考慮到高速內燃機的凸輪大多採用具有等加速-等速特徵的緩沖段和高階導數連續特徵的工作段型式，用等加速-等速函數擬合緩沖段實測升程數據，用整體式高次多項式函數擬合工作段實測升程數據。
  6. In multi - pose face recognition based on a single view : ( 1 ) the technology approaches of multi - pose face recognition are firstly studies based on single view or small samples in details. ( 2 ) a new multi - pose face recognition algorithm is developed based on single view. it first generates the multi - pose face images based on a fit method with a high order polynomial function. then, it does face recognition based on the single view and the generated multi - pose images

    在研究基於單視圖的多姿態人臉識別方面，一、詳細研究了基於單視圖或小樣本的多姿態人臉識別的可能技術途徑；二、提出了一種新的基於單視圖的多姿態人臉識別技術，它先基於高次多項式函數擬合方法由單視圖通過變形生成多姿態人臉圖像，后基於該單視圖和生成的多姿態圖像進行多姿態人臉識別，實驗結果表明該演算法識別正確率大大高於經典演算法；三、詳細研究了幾種基於單視圖或小樣本的多姿態人臉圖像生成技術，它們是基於單視圖或小樣本的多姿態人臉識別的關鍵技術。
  7. Finally, the paper has designed the program of bp neural networks, neural networks based genetic algorithms and hybrid intelligence learning algorithms in vc + +, and applied those algorithms to the xor problem, the function approximating problem and the explaining high difference seismic data problem. the experiment results have showed that hybrid intelligence learning algorithm for training neural networks is better, faster and more accurate than bp algorithm and genetic algorithm

    最後，用vc + +語言設計了bp神經網路、基於遺傳演算法的神經網路和混合智能學習法神經網路實現和進行計算機模擬運行程序，並分別將它們應用於解決異或、函數擬合和高解析度地震資料解釋等問題，從實踐中證明混合智能學習法神經網路與bp神經網路和基於遺傳演算法的神經網路相比有更好的運算性能、更快的收斂速度和更高的精度。
  8. In the end of the paper, two examples are analysised, the samples tell us the displacement function with adjust coefficient has advantages of high accuracy and simple

    本文的創新之處在於：採用分段函數擬合頂板位移函數；採用神經網路方法識別位移函數；用調整系數修改位移函數。
  9. Polynomial - weighted technique was adopted to assess the results of the experimental semivariogram function fitting results and based on the results selected the gaussian model with nugget effect as the fitting model. 100 times of simulation were carried out on the as distribution condition in the study area

    採用加權多項式法，對經驗半變異函數擬合結果進行評價，並根據結果選擇了帶塊金效應的高斯模型作為擬合模型對研究區砷分佈情況進行了100次模擬，模擬結果平穩。
  10. The probability in the probability tomography method is defined with the degree of correlation or fitting in this paper. the methods of the definitions of the scan functions and the occurrence probability functions, the electric field under the tm model and the magnetic field under the te model, are given respectively. we also have brought forward the correlation probability tomography method of magnetotelluric field - derivative and the waveform function - fitting probability tomography method, and have analysed and tested these methods in the way of the selection of the setting field and the capability of noise - standing, etc with synthetic models

    本文用相關程度和擬合程度兩種概率定義方法進行概率成像，給出電磁場tm模式下的電場和te模式下的磁場概率成像方法中各自的掃描函數的定義方法和異常源的發生概率的定義原則，提出了導數場相關概率成像方法和波形函數擬合概率成像方法，並從對背景場的選擇和成像方法的抗噪性能等方面對概率成像方法進行理論分析和數值模擬實驗。
  11. Two - stage - fitting ( tsf ) method is obtained, which consists of evaluating the function values of regular - grid points by using local weighted least square methods or radial function interpolation, and smoothly and quickly interpolating those points by using multivariate splines. the result is a hyper - surface of c1 or c : continuity

    基於上述結果，提出了h - d空間散亂數據超曲面構造二步法，第一步應用局部最小二乘法或局部徑向基函數擬合法插補立方體網格點上的函數值，第二步應用多元樣條光滑快速插值計算，使所得超曲面具有c ~ 1或c ~ 2連續。
  12. Based on the test data, and by using the distillerys grain drying curve and drying - rate curve, this paper analysed the distillerys grain drying process, and demonstrated the characteristics of the drying and the change of drying - rate of the distillerys grain in heat - air penetrating bed

    根據試驗所測數據，利用三次樣條插值函數擬合酒精糟乾燥曲線和乾燥速度曲線，深入分析酒精糟的乾燥過程，得出酒精糟在熱風穿床乾燥方式下的乾燥特點和乾燥速度的變化規律。
  13. Application of support vector machines function fitting in slope stability evalution

    支持向量機函數擬合在邊坡穩定性估計中的應用
  14. 4. based on the indices of gait symmetry and the function description method, the symmetry of normal gaits in different conditions was analyzed and the joints angles were fitted

    利用對稱性指標和函數描述方法對人體下肢在不同條件下的正常步態進行了對稱性分析和關節角度的函數擬合併進行了比較。
  15. Comparison of fitting results of four distribution functions to asymptotic distribution of yearly maximum surface wind speed over chengdu

    成都地面風速年極值的4種分佈函數擬合結果的比較
  16. The covariance of the training samples which are sampled from the antenna arrays is delivered into svm training machine after transformed suitably, then we use svm regression on the unknown samples according as the trained machine for getting the source location

    把陣列天線採集的訓練樣本的協方差矩陣進行適當變換之後送入svm訓練器進行學習，然後根據這個學習機對未知樣本進行svm的函數擬合，得到信源方向。
  17. Hardy function interpolation and its applications to the establishment of crustal movement speed field

    多面函數擬合法及其在建立中國地殼平面運動速度場模型中的應用研究
  18. Abstract : based on ks function fitting characteristics, this paper presents a new mixed envelopment method and its realization and application in smoothing propeller force curve of tilting mechanism for tilting passenger train

    文摘:基於ks函數擬合特性，提出了混合包絡新概念及實現方法，並闡述了這種方法在光滑擺式列車傾擺機構推力曲線上的應用。
  19. In addition, another method has been proposed for plant that has unstable zeros. the ideal effects have been obtained in steady error and rate of error convergence

    該方法在方法一的基礎上，引入函數擬合的思想，較好地解決了系統穩定性和誤差收斂之間的矛盾。
  20. Based on the evaluation indices and the function description method, the pointing movement quality of human upper limb was evaluated and the joints angles were fitted

    利用運動質量評定指標和函數描述方法對人體上肢觸點運動進行了運動質量評定和關節角度的函數擬合。
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