近似作圖 的英文怎麼說
中文拼音 [jìnsìzuòtú]
近似作圖
英文
approximate construction-
Abstract : the intensity distribution in young ' s double pinhole interfer ence expriment is numerically calculate, and compared with the result of the nea r - axis approximation
文摘:數值計算了楊氏雙孔干涉的光強分佈，與傍軸近似條件下的結果作了比較，並以圖形的方式顯示了干涉條紋的形狀This paper provides the functional equation of general rooted maps with the number of inner faces, the rooted face valency and the number of non - rooted vertices as parameters on the torus, and gives an explicit expression of the enumerating function of these maps with the number of inner faces and of non - rooted vertices, then the number of these maps with the size as a parameter whose asymptotic result had been obtained in [ 2 ] is obtained as a corollary
這篇文章給出了環面上以內面個數，根面次和非根節點個數為參數的一般有根地圖的計數方程，導出了以內面個數和非根節點個數為參數的這類地圖的計數方程的精確解.作為推論，推出了以邊數為參數的這類地圖的個數，其近似解在文獻[ 2 ]中已討論Such products, whose front end are equipped with swing boom device ( as picture shows ), and side - dumping bucket, can work closely to the house corner or edge, very suitable for those operations in narrow working sites, without frequent driving the machines
這種產品，在機體前部裝備了動臂側移裝置（如右圖） ，配合反轉鏟斗，機器可以近距離的靠近墻角屋邊，非常適合在狹小的空間作業，工作中無須頻繁移動機身，狹窄地帶的作業可以應對自如，從而真正實現了類似墻角等狹窄地帶的直接挖掘工作。Abstract : this paper provides the functional equation of general rooted maps with the number of inner faces, the rooted face valency and the number of non - rooted vertices as parameters on the torus, and gives an explicit expression of the enumerating function of these maps with the number of inner faces and of non - rooted vertices, then the number of these maps with the size as a parameter whose asymptotic result had been obtained in [ 2 ] is obtained as a corollary
文摘:這篇文章給出了環面上以內面個數，根面次和非根節點個數為參數的一般有根地圖的計數方程，導出了以內面個數和非根節點個數為參數的這類地圖的計數方程的精確解.作為推論，推出了以邊數為參數的這類地圖的個數，其近似解在文獻[ 2 ]中已討論The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves
以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究The black center knob will make one revolution in the following approximately three hours and stop in the position shown in the drawing
黑的中心安鈕將作在接著的近似地三小時和在圖畫里展示的在位置停次革命。2 ) tansformed the real part and imaginary part of interferogram to stationary wavelet domain, analyzed the pdf of signal and noise wavelet coefficients using pearson distribution system, then evaluated the wavelet coefficients of signal in stationary wavelet domain by maximum a posterior ( map ) criteria to reconstruct the interferogram
2 ）將干涉圖的實部和虛部分解到靜態小波域，用pearson分佈系作近似，分析了信號和噪聲小波系數的概率密度函數，在靜態小波域用map準則估計信號的小波系數用於干涉圖的重建。Applying the above - mentioned method, the author developed an approximate developing - mapping system based on catia v5 using vb, realized the development computing of panel surface and auto - drawing of developed shape in catia, dealt with the problem : getting mesh data from analysis & simulation module of catia, picking up structure information data in iges, showing 2d developed model in catia
應用上述幾何展開演算法，作者基於windowsnt 2000 xp系統和catiav5平臺用visualbasic開發了一套「不可展曲面近似展開和內部結構信息映射系統」軟體，簡稱demaps系統，實現了飛機壁板類零件的展開計算和展開圖形自動繪制。The earlier authors use splint to control abnormal muscle tone or prevent deformity of distal parts of the limbs, while the later authors consider that good control of total posture would release the distal muscle tone without the splints or other devices because those would increase abnormal muscle tone
早期作者都企圖以副木或類似之外物來控制不正常張力對肢體末端的影響，近來之作者發現這些處置效果不彰，不如以姿勢控制從近端到遠端都擺在反痙攣的姿勢上，自然末端之變形不會出現。And the researches of the article have been done as follows : firstly, about the adjustment of rotation, a method, based on susan corner detection algorithm, is presented in the thesis. and the rotated image is rectified exactly by the symmetry of the portrait image and the invariant to rotation of shoulder corner. then the detail of images is preserved by the approximately geometrical processing based on the bicubic interpolation algorithm
具體工作如下:第一，在旋轉調整方面，本文採用了一種基於susan角點檢測的演算法，利用了人像所具有的對稱性以及肩部拐點旋轉不變特性比較準確的實現旋轉校正;並採用了雙三次插值方法對圖像作幾何近似處理，很好的保持原圖像的細節。分享友人