數值變換 的英文怎麼說
中文拼音 [shǔzhíbiànhuàn]
數值變換
英文
map numerical-
In this paper, it is shown that some atomic formulas of symbolic states generated by the algorithms can be removed to improve the model checking time - and space - efficiency. such atomic formulas are called as irrelevant atomic formulas. a method is also presented to detect irrelevant formulas based on the test - reset information about clock variables
一個時間自動機是一個五元組n , l 0 , c , e , i ,其中n為一個有窮的位置集合, l 0n是初始狀態, c是一個取實數值的時鐘變量的有窮集合, e ng c 2 cn是轉換的集合。Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles
本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬時海面的深度數據;對測深數據進行誤差分析處理,去除野值;將多波束數據進行坐標變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制標準海圖。Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction
隨著計算機技術、三維可視化理論和計算機圖形學的發展,醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法,發展到真正的三維重建演算法:面繪制和體繪制;醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡,以及今天的虛擬可視化人體研究;而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。If only the eigenvalue of a and not the eigenfunctions are desired, it is not necessary, according to section 3. 3, to obtain the transformation matrix s.
假如僅需求出A的本徵值而不要求出本徵函數,那麼按照本章第33節,就不必求出變換矩陣S。For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”
本文主要開展了以下三項研究工作: ( 1 ) .用自定義編碼方案,將數字和字母( ascii碼)轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換,得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗,證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率,對於20次列印-掃描實驗,誤碼率不大於0 . 0026 。Digital watermarking algorithm based on wavelet transform, making use of relative frequency equability feature of low - frequency that comes from image ' s mra decomposing and according to size between insert point value and its region mean value, is that two - value watermarking is hid in insert point
基於小波變換的數字水印演算法充分利用了圖像經過多分辨分解后低頻圖像的頻率相對平穩特性,並依據嵌入點值與其區域均值的大小,將二維二值水印信息隱藏到嵌入點。Thirdly, the closed - loop design of the peak - current control applied to the im - fac converter is discussed
論文還討論了採用峰值電流控制的im - fac變換器的閉環參數設計。Based on the speech produce model, we find the reason of periodicity disappearance and the extremum number increase by analysing the character of speech signal when the glottal closes
於是從語音產生模型入手,詳細的分析了聲門閉合時刻語音信號的性質,找到了濁音信號經過小波變換後周期性消失、極值點個數增多的原因。Secondly, in the feature extraction stage, haar 2 - d wavelet transform is used in each band of the normalized image. the mean values and variances of the coefficients of 7 main wavelet channels are extracted as features
該演算法通過對歸一化處理后虹膜圖像的各個小分割區域進行二維小波變換,提取出主要小波通道的小波系數均值和方差作為特徵值。Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。A structure of a c & c system for spc has been suggested. after the historical data and current data were got, the data were converted by two time and became the values obeyed the same distribution
在相似工序的基礎上,用數據變換的方法,通過兩次數據變換,把工序質量特徵數據變換成無意義的相對值。To make the prediction values with independence of the general trend, which is changed from year to year, the load data are transformed by profiles, mean value, and variance. sofm is used for the prediction of profiles and mlp networks for prediction of daily mean and daily variance. at a result, load forecasting for 24 hours in a day can be gotten
為使預測值不受負荷逐年變化這一趨勢的影響,把負荷數據變換為特徵、均值和方差的形式,利用白組織競爭網路預測負荷的特徵,然後利用多層感知器網路預測負荷的日均值和方差,最終實現對一大24小時負荷的預測。In this lesson, you learned how to convert numeric variables to text, and also how to convert between different types of numeric variables
在本課中,您學習了如何將數值變量轉換為文本,以及如何在不同類型的數值變量之間進行轉換。The software of the system have been compiled on the base of data sampling. the system used double - closed loop and pid method, one loop is speed control, the other is curret control
系統軟體中,以中斷響應方式,實現電機轉速和電機電流實時採集、處理和控制;通過常數值切換法,實現電機的變結構控制。Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration
在理論分析和實驗測量中,我們採用了變孔徑的傅立葉變換和成像系統,由所得到的像面光強的解析式,建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對,從而恢復出表面的高度?高度相關函數。Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行坐標變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。10 bjontegaard g, lillevold k. context - adaptive vlc cvlc coding of coefficients. joint video team of iso iec jtc1 sc29 wg11 itu - t sg16 q. 6 doc., fairfax, va, may 2002, jvt - c028
預測殘差系數經變換量化后表現出低頻子帶系數的幅值通常大於高頻子帶系數的幅值,這一規律是一種有效的上下文信息可以用來提高編碼效率。Therefore, the modified transformation of triangle function is proposed for the oscillation series, and the monotone series can be obtained. 2
因此,本論文提出一種變形的反三角函數變換方法,利用反三角函數的多值性,可將周期振蕩的數列變換成單調增加數列。In this paper, we construct a multi - resolution analysis of h2 ( i ) space using spline function and give the multi - level decomposition of a function through interpolating spline wavelet transform
本文中我們給出了由樣條函數構造的h ~ 2 ( i )空間上的多分辨分析並利用樣條小波插值變換對函數進行多尺度分解。This harmonic analysis algorithm presented in this paper gets sampling datum using asimultaneous sampling technology, then alters these sampling datum by the interpolation algorithm in order to achieve the effect of simultaneous sampling
該種電網諧波分析方法是利用非同步等間隔采樣技術得到采樣數據,然後,將采樣數據經插值變換,使其達到近似同步的采樣效果。分享友人