樣條函數法 的英文怎麼說
中文拼音 [yàngtiáohánshǔfǎ]
樣條函數法
英文
splines method- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 條 : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
- 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
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 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
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Finite point matrix method based on cosine spline
基於餘弦樣條函數的有限點陣法In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method
在數字式保護中,如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增,本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值,以便在提高采樣率的同時降低噪聲誤差的影響,並將其應用於基於32位浮點dsp的新型變壓器保護裝置。Except for method of spline interpolation, mra method are used to resolve numerical approximation problems, too
除了應用樣條函數插值方法外,解決數值逼近問題還可以採用小波分析中多尺度分析的方法。The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility
本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。2. analyzing the displacement of the follower based on the assur - group method and the differentiation of the cubic spline function 3
2 .以桿組分析方法為基礎,結合三次樣條函數求導法進行從動件的位移分析。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」 。After looking up a large amount of native and foreign information, the materials used in the experiment were as follows : ptfe base, graphite filler, molybdenum disulfide filler, copper powder filler, carbon fiber and so on. the experimental method is that the formula was designed according to uniform experimental method, the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization. the preparative technique of solid lubricant is cold - press sintering method
經過查閱大量國內外文獻資料后確定原料為:聚四氟乙烯樹脂為基體,加入石墨、二硫化鉬、銅粉、碳纖維等填料;試驗方法為:根據均勻試驗方法設計配方,用樣條函數找出配方與摩擦性能的關系,然後在擬合曲線上選取具有代表性的試驗點進行驗證試驗,達到優化的目的;制備工藝:冷壓燒結法制備固體潤滑劑。The rainfall isoline smoothed by the tension spline function algorithm in the process of making rainfall isoline map of beijing pinggu district has much better effects
在繪制北京市平谷地區雨量等值線圖過程中,應用張力樣條函數演算法光滑后的雨量等值線圖達到了很好的效果。An iterated algorithm with spline function for initial value problems in nonlinear ode
非線性常微分方程初值問題的樣條函數迭代法We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series, and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields. our results are also in very good agreement with those of split - operator method
本文還利用b樣條函數和傅立葉級數的線性組合構造原子未微擾的本徵函數,將偽譜方法推廣用來計算一維模型原子在強激光場中的閾上電離譜,其結果與分裂算符方法所得的結果也符合得很好。So we can complete the kinematic analysis of the cam mechanism by the analysis of the corresponding assur - group. based on the method, this paper deals with plannar disc - cam mechanisms with different types of followers. the main points of this paper are as follows
基於桿組的分析方法,本文圍繞各種類型從動件的平面盤形凸輪機構做了如下工作: 1 .根據凸輪機構的檢測數據利用三次周期樣條函數插值法對凸輪實際廓線進行曲線擬合。This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware
本文選擇適合電力系統信號分析的b樣條函數作為母小波,對勵磁涌流和內部故障電流進行小波分析,並設計微機型變壓器保護基本配置,在以往間斷角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流間斷角的方法,直接對信號小波變換后的波形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。The contents of the thesis are summarized as follows : 1. by using curved - fitting method, calculation of local angular deflection of canvas plate is studied, with the help of cubic spine function, canvas plate is formed and then its local angular deflection is worked out. 2
本文所做的工作概括如下: 1 、運用曲面擬合方法研究帆形板局部角變形的計算方法,通過三次樣條函數建立船體帆形外板,然後計算得出帆形板的局部角變形。The net collocation point method with spline function is proposed to derive the formulation system of stochastic buckling analysis for cylinderic shells under various boundary conditions
提出了樣條函數的網狀配點法,推導了不同邊界條件下圓柱殼屈曲的隨機分析公式系統。In the case of 16 boundaries, cubic b - spline function taken as trial function, the solutions to nonlinear stability of truncated conical shells and spherical shells with variable thickness were obtained by the method of point collocation
在16種邊界條件下,以三次b樣條函數為試函數,用配點法計算變厚度開頂圓錐殼和球殼的非線性穩定。We express the true trajectory of the aircraft by means of spline function, and then use measuring data from multichannel to estimate the spline coefficient
在建立了樣條函數表示載機真實航跡的模型后,採用多測量信號聯合估計樣條系數的方法實現融合。With cubic b - spline function taken as trial function, the solution of nonlinear stability of a revolving shallow shell with arbitrarily variable thickness was obtained by the method of point collocation in order to solve the convergence of a shallow shell with big rise
摘要為解決計算矢高特大的扁殼的收斂問題,以三次b樣條函數為試函數,用配點法計算了任意變厚度的旋轉扁薄殼的非線性穩定。The points of internal gear are fitted into spline curve by spline function, then the internal gear is manufactured in nc wire - cut machine. the process of manufacturing the internal gear in wire - cut machine is studied. compared to the traditional method of manufacturing in special machine this process is a breakthrough
利用樣條函數對中心輪內齒圈齒形點進行擬合,利用軌跡法在數控線切割機床( bkdc )上實現了中心輪內齒圈齒形的加工,並對在數控機床上加工的工藝進行了研究。This paper presents the trajectory planning of five - bar hybrid driven mechanism based on inverse kinematic theory and spline interpolation function, analyses the effect of rotational speed of real time non - adjustable motor on the acceleration of the manipulator end point and real time adjustable motor, and then derives the mathematic relationship between them
摘要運用逆運動學原理和樣條函數給出了混合驅動五桿機構的軌跡規劃方法,並討論了常速電機的轉速末端執行器和伺服電機加速度的影響,得出了他們之間的數學關系式。With the structure character of coiling robot, the transformed equations of robot movement is established by using equal - power coordinate transformation. the path scheduling method of robot is deeply researched and then imitates the robot ' s movement path by using b - splint function on the disperse point gotten by scheduling on robot ' s coiling movement path to ensure the robot ' s movement track to be a clean and continuous line. then the track is optimized by dynamic scheduling method
結合繞線機器人的結構特點,利用齊次坐標變換建立起機器人運動變換方程,探討了機器人路徑規劃的一般方法,並利用b樣條函數對機器人繞線運動路徑規劃所得的離散路徑點進行逼近,以保證機器人運動軌跡是一條光滑連續的曲線,並利用動態規劃方法對機器人進行時間最優軌跡規劃。分享友人