隨機化變換 的英文怎麼說
中文拼音 [suíjīhuàbiànhuàn]
隨機化變換
英文
randomizing transform-
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。Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。The stochastic model is tendered as the certain equivalent problem by dealing with the expectations, deviations and the constrained chance, which makes it easy to resolve the model
通過等價變換，將隨機模型轉化為確定性等價問題，從而方便了問題的求解。D. choreography ( e. g., robots to move in time with music, and change actions as music changes tempo or rhythm. choreography of humans and robots will be scored separately, etc
舞蹈編排（例如：機器人合拍起舞，並隨音樂節拍的變化變換動作。機器人和隊員的舞蹈編排分開評分等。 ）The basic agc roles include : ( 1 ) making generation follow the load change, and holding system frequency on fix value ; ( 2 ) dispatching power to each area, and holding exchanging power on fix value between each area
其主要功能是響應負荷和發電的隨機變化，維持電力系統頻率為規定值，響應各區域分配系統發電功率，維持區域間凈交換功率為計劃值。By use of transform, the problem of stochastic optimal control with uncertain terminating time is transformed into that with determinate terminating time ; then the problem is solved using the theory of stochastic optimal control with determinate terminating time
通過變換，將終時不確定的隨機最優控制問題轉化為終時確定的隨機最優控制問題；然後，利用終時確定的隨機最優控制理論來求解。The stochastic state feedback controller and the stochastic output feedback controller for networked control systems with long time delay are designed. the separation principle is proved to still hold in networked control systems with long time delay. without considering the noise of the system, this stochastic state feedback controller can render corresponding networked control systems exponentially mean square stable
提出了將網路控制系統中的隨機時延轉化為確定性時延的實現條件和實現方法；設計了確定性網路控制系統的分步變換狀態反饋控制器和基於狀態預測的狀態反饋控制器；設計了確定性網路控制系統的輸出反饋控制器和具有時延補償功能的多步預測控制器；模擬結果表明了各種確定性控制演算法是正確的和有效的。If either of strength and stress is stochastic variable and another is fuzzy variable, the. fuzzy variable can be transformed to section number on the assumption that the probability of fuzzy variable taking some points in that section is proportional to its value of membership function respectively, then the probability of structural fuzzy event is transformed to general probability with stochastic strength and stress variables and can be solved by general probability theory
當強度和應力之一為隨機變量，另一個為模糊變量時，提出將模糊變量通過模糊集合截集轉換為區間數，並假定模糊變量在此區間取值的可能性與相應的隸屬函數值成正比。採用上述處理后，結構模糊事件的概率即轉化為相應的普通事件概率，可按應力和強度為隨機變量，用常規可靠性理論進行求解。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。( 3 ) for classification of states, a scheme has been proposed, in which we can translate any three - particle matrix into the special form p3 by random local unitary transform, and make use of this special state p3 to classify quantum state
（ 3 ）對于量子態的分類問題曾有人提出通過隨機局域幺正變換把任意三粒子量子態密度矩陣轉化為一種特殊的密度矩陣_ 3的形式，並利用_ 3這一特殊形式對三粒子量子態進行分類。This article, aiming at the specialties of rmb currency image, puts forward a new method using linear transform of image gray to diminish the influence of the background image noises in order to give prominence to edge information of the image. then the edge characteristic information image is obtained by edge detecting using simple statistics. by dividing the edge characteristic information image in the width direction into different areas, getting the number of the edge characteristic points of different areas as input vectors to random masks and optimized by ga
文中提出了利用圖像灰度線性變換來抑制背景圖案噪聲的影響，突出圖像邊緣信息；然後採用簡單統計法進行邊緣檢測，得到邊緣特徵信息圖；最後通過對邊緣特徵信息圖在寬度方向上進行均勻劃分成不同的區域，統計不同區域的邊緣特徵點的數目作為神經網路的初始輸入向量，對初始輸入向量用隨機掩碼處理和遺傳演算法進行優化得到最終輸入向量，通過三層bp神經網路分類器進行分類，達到了人民幣識別的目的。Computer network and information science, digital video surveillance system is becoming the first choice in modem society, in which real - time and first - hand digital monitoring is provides after video frames are captured by video cameras installed in various locations, and then transformed to digital images, which can be effectively archived on digital media after compression
隨著數字視音頻壓縮技術、計算機網路和信息科學的迅猛發展，數字化的視頻監控系統成為時代的必然產物。數字視頻監控系統就是通過設置在不同位置的攝像頭採集數據，經過變換系統、視頻壓縮系統將數據匯集並處理，在監視器上顯示並管理，為管理人員提供實時及直觀的視覺資料。For the signal transform device, a commonly met dynamic loading is random vibration, as met in the flight experiments, etc. therefore, analyzing the dynamic response of some key components under random vibration, and further minimizing its adverse consequences on the products is very important for the signal transform device designs
信號變換裝置在飛行試驗等試驗中常常要經受隨機振動。因此，對于信號變換裝置來說，分析隨機振動下關鍵器件的動力響應並進一步最小化不利影響是非常重要的。Abstract : this paper deals with the simulation result analysis of three phase synchronous generator with rectified output with stator y connected, as well as with stator connected. the curves of overlap angle, displacement angle and power factor with load are presented, and the tendency of these curves are also described
文摘:對整流負載時凸極同步發電機定子繞組及y聯結模擬結果進行分析，繪出反映整流特性的換流重疊角、位移角以及功率因數隨負載變化曲線，並對變化趨勢進行分析。Because the method uses the linear measurable function of bearings varying with time, so it is more effective than the normal method which based on bearings of the target directly, and at the same time it can overcome the limits when use the normal method in special situation
由於該方法將目標方位隨時間變化的非線性關系轉換到另一空間的線性關系，這使得檢測更加有效、直觀，並且能夠克服直接採用方位序列檢測目標轉向機動在特殊情況下失效的限制。We divide document image into two parts - text and background. text area is regarded as a series of random variables with 0 - 1 distribution and background area as a series of random variables with degenerate distribution. because the median filter is robust for degenerate distribution, it can reduce the noise
文本圖像通常可以轉換成二值圖像，我們可以把文本圖像的文字區域和空白區域分別理解為兩個相互獨立的隨機變量序列的依次觀測，其中一個是服從兩點分佈，而另一個服從退化的單點分佈。By considering the random of the local unitary transformation and the character of the machine, the probability of the transformation will not be 1 / 2. we generalize the random local unitary transformation, and obtain a more common form
考慮到局域變換的隨機性以及實驗儀器的性能，變換的幾率可能會出現一些偏差，不再是1 2 ，本文在第四章對變換的隨機性進行了一般化，得出變換后更一般的矩陣形式。According to the problem that the recovery rate is traditional treated as a constant or an independent stochastic variable by the classical credit risk pricing and management model, and problem that the negative correlation between the default probability and recovery rate is always neglected, this dissertation gets the exponential and logarithm regression models of default probablilty and recovery rate based on some empirical researches, and improves on several broadly applied credit risk models, such as structural hazard rate model, affine structure model, convertible bond pricing model and credit metrics model, and introduce the negative correlation between
針對傳統的信用風險定價模型及信用風險管理模型將違約回收率看成是一個外生的常數或是一個獨立的隨機變量，而忽略回收率和違約概率之間的負相關性這一問題，本文應用相關實證研究得到了違約概率和回收率的指數和對數回歸模型，並對應用非常廣泛的結構化風險率模型、仿射結構模型、可轉換債券定價模型和creditmetrics模型進行了改進和拓展，在新模型中應用指數和對數函數引入了這兩個變量之間的負相關性。It evolves in two ways : gradually through random mutation, and more rapidly as different strains of influenza swap genes inside a single animal or person [ see box on opposite page ]
病毒可經由兩條演化途徑得到在人類間散播的能力：隨機突變而逐漸適應，更快的是在同一隻動物或人體內與其他流感病毒交換基因（參見右頁全球流感病毒株的衍生途徑） 。As charles darwin suggests, " it is not the strongest of the species who survive, nor the most intelligent, but those who are most adaptive to change. " given the fiercely competitive communications market that hongkong post now operate in, we will need to act biologically, that is, be open to new influences and ideas, be willing to embrace changes, and be creative in our business thinking
所謂「物競天擇，適者生存」達爾文的生物進化論，其實同樣適用於當前競爭劇烈的通信市場。香港郵政際此市場環境之下，便得一如自然界的生物，善於隨機應變。換言之，我們一定要能夠勇於接受新事物、新思維，樂于面對轉變，制訂具創意的業務策略。分享友人