數學投影法 的英文怎麼說
中文拼音 [shǔxuétóuyǐngfǎ]
數學投影法
英文
mathematical projection-
This dissertation can be divided into three parts as following : focusing on institutional risk control, this dissertation demonstrated the effect of institutional risk on dis " objects by analyzing the relationship between deposit insurance and financial development, financial stability and market discipline, in light of foreign or native primary theory and empirical results of dis. in virtue of statistical method and with the theory of game, this dissertation explored the cause the institutional risk such as moral risk and adverse selection, on the basis of which discussed the approach of controlling institutional risk and proper deposit insurance pattern. because deposit insurance assessment is the core of institutional risk control, this dissertation introduced and discussed deeply the passive casualty - insurance model, the option - pricing model, the game - theory - based pricing model, and reasonable pricing interval, and put forward the hierarchical pricing strategy of dis on the balance of information confiscatory and risk - based - assessment necessity
本文以存款保險制度風險控制為中心，在借鑒國內外關于存款保險制度的基本理論和實證的基礎上，通過分析存款保險與金融發展、金融穩定和市場懲戒等方面的關系，論證了存款保險制度風險對存款保險制度目標的影響；並藉助統計學的方法，運用信息博弈論的觀點，從主要制度參與者? ?投保機構和存款保險機構? ?的效用函數出發，對存款保險所引發的道德風險和逆向選擇等制度風險的成因進行深入的剖析，探討有效控制制度風險的途徑和制度參數的安排模式；由於存款保險定價是制度風險管理的核心問題，本文還專門對意外存款保險消極模型、存款保險的期權定價模型、基於信息經濟學的存款保險定價模型以及合理定價區間等定價模式進行深入分析和詳細評述，闡述各種定價思路的局限性和可能運用的空間，通過權衡信息的充分性和風險定價的必要性，提出存款保險制度的層次性定價策略。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。The forth chapter is about the concept of digital maps, and introduce how to gride the digital maps for purpose of firepowers disposal. the fifth chapter import the models of transmission of electromagnetic waves. to clarify the communication ways between communication subsystem and firepowers
第五章根據電磁波的傳輸特性及其數學模型，建立了戰區指揮車（通信中樞）與發射車（火力點）之間的通信模型，以及空域火力覆蓋的分層投影分析，這是本演算法核心。The image reconstruction algorithms is thoroughly researched. the filter back projection ( fbp ), algebra reconstruction technology ( art ) and fan beam data rearrangement algorithm used in medical computer tomography are improved. the noser algorithm, linear neural networks method and hopfield neural networks method are presented and gain the better result of image reconstruction
深入研究了圖像重建演算法，改進了醫學ct的濾波反投影演算法、代數重建技術和扇束投影數據重排方法，提出了帶圖像光滑約束的noser演算法、線性神經網路方法和hopfield神經網路方法，並得到了較好的圖像重建結果。Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created
採用多解析度技術構造紋理無縫拼接圖，然後把三維網格模型投影到圓柱面上並展開，根據二維圖象變形技術中特徵點匹配演算法的數學思想，將匹配公式進行改進后應用於模型網格點的適配，在作了一定假設后推導出逆向圓柱映射的計算公式，再將適配后的柱面網格映射回去，最後進行紋理映射生成真實感的特定人臉的三維模型。According to the mapping principle of stereographic projection, the combinatorial relationships of line and plane can be solved by use of mathematic analysis
摘要根據赤平投影的成圖原理，利用數學解析的方法，可直接求解有關線與面的組合關系。The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid
通過對排種輪的充種極限速度、清種始角、護種始角、排種器的投種口尺寸、型孔的尺寸等運動參數和結構參數進行分析，總體了解排種器結構參數和運動參數對其工作性能的影響，建立種子的運動方程，進而建立各主要參數（充種速度、清種角、護種角等）的數學模型，運用計算機輔助分析（ caa ）方法，通過visualbasic編製程序，對排種器工作過程中種子的運動進行動態模擬，找出影響排種器工作性能的主要因素，並對其參數進行優化，為合理地優化設計奠定了基礎。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素，主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料，建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素，並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價，並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類，並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )
由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響，投藥絮凝過程是一個非常復雜的反應過程，為實現投藥系統的自動化和降低混凝劑耗率，國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究，主要有流動電流儀檢測法（ scd ） 、現場模擬實驗法、數學模型、顯示絮凝控製法（ fcd法）等自動投藥方式的研究和實驗。Characteristic circle is adopted for characteristic mark ; a new concept, “ characteristic diameter ”, is put forward ; the length and the position of the characteristic diameter ’ s image is adopted for the basic “ characteristic parameters ” ; and a new “ resolving model ” is established based on perspective projection principle and the speciality of “ characteristic diameter ” in this article, so that the normal direction of target plane can be got without calibrating camera parameters in real time. it only need basic mathematic tools
本文採用特徵圓作為靶面上的「特徵標志」 ;提出了「特徵直徑」的概念，採用特徵直徑及其在像面上的透視投影的位置和長度作為基本的「特徵參數」 ;根據透視投影的規律，應用特徵直徑的特性，建立了新的「解算模型」 ，無須在現場標定攝像機的參數，只需採用基本的數學工具即可實時解算出靶面法線的方向。As for the direct economic losses, it is easier to quantitative analysis, the researchers adopt usually the market valuation ; as for the indirect economic losses, the researchers usually have the aid of the input - output method of the complete wastage coefficient of input - output ; as for the disaster relief losses, the researchers usually adopt the investigation method to quantitatively calculate the input expenditure of preventing drought, and make use of shade price of economics to quantitatively calculate the investment premium losses
對于直接經濟損失的定量較容易確定，採用市場價格法;對于間接經濟損失的定量，借用了投入產出完全消耗系數的投入產出法;對于災害救援損失的定量，其中的抗早投入費用採用統計調查法，而投資溢價損失移用經濟學中的影子價格來計算。Within the framework of sparse bayesian learning, the algorithm extends the relevance vector machine by combining global and local kernels adaptively in the form of multiple kernels, and the improved locality preserving projection ( llp ) is then applied to reduce the column dimension of the multiple kernel input matrix to achieve less training time
在稀疏貝葉斯學習的框架下，該演算法首先以多核形式自適應結合全局核函數和局部核函數擴展相關向量機，然後應用改進的保局投影來約簡多核輸入矩陣的列維數以減少訓練時間。And then we get the multi - step and multi - attribute structure model of venture capital ' s effect factors by the interpretive structure modeling. we also structure the venture capital ' s monitor index system and have a scientific recognition of these indexes by fuzzy method
在此基礎上，利用解析結構模型方法得到風險投資影響因素的多階段多層次的結構模型，來構建風險投資監測指標體系，並用模糊數學方法對指標特徵值進行了科學的識別。According to the data of the covariance - stationary stochastic time series, we can get the state space modeling algorithm quickly and stably by singular value decompositi on and orthogonal projection. this algorithm will be faster and more stable
在已知平穩隨機時間序列樣本數據的情況下，論述了如何採用正交投影演算法和正交奇異值演算法建立隨機時間序列的狀態空間模型和狀態矢量估計，這種數學建模方法對于船舶機艙中的系統數學建模有很大的幫助At first, the image was binarized by using ostu method. then the skewness of the image was dectectd by radon t.
首先用大津法對圖像進行二值化，然後用radon進行傾斜檢測，最後用數學形態學開運算減少干擾，用投影法框定待識別標題位置。But now in the process of real estate investment analysis, the traditional methods of risk analysis to investigate the risk are the sensitivity analysis and balanced analysis ; these methods primarily include the following deficiencies : ( 1 ) they can only analyze the impact of risk, but it will overlook the possibility of the risk, so it can only evaluate impact for the project of the risk factor, it can not make the determination for the probability of occurrence
但是目前在房地產開發投資分析過程中，所使用的風險分析方法還在沿用傳統的風險調查法、敏感性分析法和盈虧平衡分析法;這些方法都是假設資源沒有限制的原則下，側重數學分析和解析計算，由於簡化了風險問題本身的相關性和復雜性，使得這些方法在實際中的應用受到了限制，主要存在以下不足之處: （ 1 ）只能分析風險的影響作用，而忽略了風險本身發生的大小差別，故只能對項目的風險因素作影響程度上的評價，而不能對其作發生概率大小的測定。Stochastic subspace identification method is the major in this article, and this method is based on the theory of projection of row space, and also uses qr decomposition, svd decomposition as well as least squares estimate to state space matrices of the discrete system so as to achieve the parameters of the dynamic behavior and it can achieve an accurate result
隨機子空間法是本文的論述重點，它運用了行空間投影的理論，通過qr分解和svd分解以及最小二乘估計來識別離散后的系統狀態空間矩陣，從而得到系統的動力學特性參數，識別精度較高。本文詳細的推導了隨機子空間法的理論公式，並編寫出相應的matlab程序。This paper clarifies image collect automatically process of multi - channels, and pre - processing process of original image in order to noise reduction. in image processing, method as follows will be introduced in this paper : a method combining image threshold iterative segmentation with threshold interpolation, edge detection operator sobel and log, edge linking method using delation operator based on mathematical morphology, using boundary tracking and projection method in edge distill process. through this method, measurement of wheelset will be met precision demand
本文闡明了圖像的分通道自動採集過程，以及對採集到的原始圖像進行預處理過程，達到圖像去噪聲的目標，本課題採用了閾值分割中迭代閾值和閾值插值相結合的方法， sobel運算元、 log運算元邊緣檢測演算法，基於數學形態學的膨脹運運算元進行邊緣斷點連接以及目標提取中的投影法和邊緣跟蹤方法，使得提取輪對圖像邊緣達到測量精度的要求。This paper is composed of two parts including 5 chapters. in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry - model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates. otherwise, through studying eclipse ' s shape and size, this paper uses a math - function - model to eliminating eclipse shadow
本文共有五章，主要內容分為兩部分；第一部分包括第二、三章的內容，利用可見光雲圖成像原理以及點的投影法，將平面雲圖投影到三維直角坐標的球面上，對用於雲圖陰影訂正的原幾何模型法加以改進，得到改進的幾何模型法，並進行日食陰影訂正實驗；本文還利用數學函數模型法，通過研究月球在地球表面投射陰影的形狀及其受影響程度，從另一方面進行可見光雲圖日食陰影的訂正實驗研究。分享友人