projection parameters 中文意思是什麼

projection parameters 解釋
投影參數
  • projection : n 1 射出,投擲,發射,噴射。2 投射;投影,投影法;(地圖)投影圖製法;【電影】放映。3 凸出;凸出...
  • parameters : 編輯特徵參數
  1. Projection algorithm is presented as follows : first, characterize the reference image and the float image and turn into binary images ; then, project the binary images onto the abscissa and y - axis and get the projection vectors ; last, according to the elements of the vectors, the rotation and translation parameters were calculated separately

    投影法通過二值化參考圖象和浮動圖象,沿x軸、 y軸投影得到投影向量,然後根據投影向量元素的大小和位置,分別檢測圖象間旋轉、平移運動的大小。
  2. Electroacoustic parameters and testing methods of loudspeaker system for cinefilm projection

    電影放映用揚聲器系統電聲參數和測量方法
  3. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。
  4. Abstract : in this paper a new identification model constructed by neural networks with modified inputs and stable filters is presented for continuous time nonlinear systems in order to reduce the inherent network approximation errors. an adaptive law with projection algorithm is employed to adjust the parameters of networks. under certain conditions, convergence of the identification error is proved

    文摘:在用神經網路進行系統建模時,建模誤差的存在是難免的.為了減小這種誤差,本文對連續時間非線性系統提出了一種新的神經網路辨識模型,它是由帶有輸入修正的神經網路和穩定濾波器組合而成.文中給出了權值的學習演算法,即權值是根據辨識誤差的投影演算法來改變,證明了在一定條件下辨識誤差的收斂性
  5. Based on the current jiangmen independent coordinate system and the method of coordinate transformation, this paper analyzes and resolves the coordinate transformation between jiangmen independent coordinate system and beijing geodetic coordinate system 1954 using 10 - parameters orthomorphic map projection transformation formula, then validates the results of coordinate transformation and analyzes the precision

    摘要以現有江門獨立坐標系及坐標轉換公式著手,分析了江門獨立坐標系與54北京坐標的相互轉換,提出了10參數正形變換方法,並進行了轉換計算結果驗證及精度分析。
  6. 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。
  7. Projection display includes three distinct technologies : crt, dlp and lcd. in chapter three, the technology and product trends in the projection display are analyzed, and different technologies are used in different application segments. light output is one of the most important parameters and being traded off for improved resolution, contrast ratio, weight, color, uniformity, cost and other desirable features

    投影顯示主要包括三種技術: crt投影顯示、 dlp投影顯示和液晶投影顯示,各種投影顯示技術的原理及其應用是本文第三章的內容,並重點討論了dlp投影顯示技術、液晶光閥( lclv )投影顯示技術和液晶板( lcd )投影顯示技術。
  8. 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。
  9. Time delay was chosen by using autocorrelation function method and mutual information method, while reconstruct dimension was obtained by g - p saturation correlation dimension method and false nearest neighbor percentage method. furthermore, initial neighborhood radius was computed by the estimated noise level based on the g - p saturation correlation dimension method. secondly, a noise reduction of the inflow time series was carried out by chaotic nonlinear local projection noise reduction method, and the effects on noise to chaotic characteristics and state reconstruction parameters were discussed

    採用g - p關聯維法計算關聯維數; rosenstein法和kantz法計算最大lyapunov指數;重構相空間的延遲時間採用了自相關函數法和互信息量法;嵌入維數採用了飽和關聯維法和偽鄰近點法;初始領域半徑的選取採用了基於g - p關聯維法的噪聲水平的初始估計方法。
  10. Two studies, namely development of employment projection model for strategic land use planning and commercial and industrial floor space utilization survey commenced in 2004 to develop models for long - term employment projections and to collect statistics for updating the parameters required for compilation of employment distribution projections

    本署於二零零四年展開兩項名為用於策略性土地規劃的職位數目推算模型開發研究及工商業建築物樓面空間使用情?統計調查的顧問研究。
  11. 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。
  12. For the detail structure of pushing equipment, the mathematical model was proposed using planar projection algorithm based on the former experiences. combining optimum theory the optical object with four parameters was determined. the due to genetic algorithm ( ga ), the design and technical parameters consistent with the original designing were solved, further to get the original mathematical model of original designing

    本文針對推料裝置的具體結構,在前人的經驗基礎之上,利用平面投影方法建立直動型推料機構的數學模型,結合優化理論,確定四參數的優化目標,使用遺傳演算法反求得最合原設計的設計參數。
  13. Optical projection profile grinding machines - parameters

    光學曲線磨床參數
  14. First, method for initialization of wavelet basis in wavelet frames is proposed ; second, according to the data distribution, a modified method for rough selection of wavelet basis is given ; and the last, an adaptive projection algorithm combined with aic criterion is used to purify the wavelet basis, meanwhile finishing the parameters identification

    首先在小波框架內提出一種小波基初始化方法;然後根據樣本的分佈特點,提出一種改進的小波基粗選方法;最後將自適應投影演算法與aic準則相結合,對小波基進行精選,同時完成網路參數的辨識。
  15. The motion law of the perspective projection of a line on the ground in the image space is analyzed, and the navigation parameters are gotten directly by transforming the line in the image space into navigation parameters space according to the principle of hough transformation

    本文中分析了直線路徑在圖像空間中投影的運動規律,研究了如何利用hough變換把圖像空間中的線映射成導航參數空間中的點,直接獲取所需導航參數的方法。
  16. The distinct feature of this approach is to reconstruct the 3d model of target from images progressively in accordance with the general modeling conventions. namely, user firstly determines the rough model and puts projection and spatial constraints on it as well as topological operations step by step to let the system recover the camera parameters and refine the model

    該方法的主要特點在於,按照一般人的建模習慣,由粗到細地通過圖像重建目標三維模型,在確定大致形狀的基礎上,由用戶添加或者修改投影約束與空間約束,並施加拓撲修改,逐步實現照相機定標,粗糙模型的求精,並最終完成對具有任意幾何及拓撲物體的重建。
  17. This paper establishes a pivot element predictive regression model between billet temperature variable and process variables with multi - statistic projection principle and pcr method, and parameters of the model are reckoned based on the actual data from a steel works

    摘要運用多元統計投影原理,結合改進pcr方法,建立了鋼坯出口溫度變量和過程變量之間的主元回歸預測模型,最後基於某鋼廠實際生產數據對模型的參數進行了求取。
  18. In order to acquire 3d spatial position and motion parameters of moving target, the limitation of second focus method to get the depth of target is analyzed according to perspective projection model of target centroid. then, the constraint for obtaining 3d position and motion parameters of moving target centroid from monocular image sequence is presented and proved in this paper. with this constraint, a nonlinear extended kalman filter algorithm for estimating 3d spatial position and motion parameters of moving target centroid from monocular image sequence is proposed

    進一步,為獲取目標的空間位置和運動參數等三維信息,在目標和成像系統都運動的情況下,根據目標質心的透視投影成像模型,首先分析了二次成像法獲取目標深度信息的缺陷;然後給出了由單目序列圖像獲取目標質心的空間位置和運動參數的條件,並提出利用多幀單目序列圖像和應用非線性擴展卡爾曼濾波演算法來估計目標質心的空間位置和運動參數;最後對提出的估計方法進行了多組模擬驗證,證明該方法可行有效。
  19. 3. for geographic coordinates and cartesian coordinates transformation a model that include 7 parameters and the guess - kruger projection were used. the difference of calculation between the above method and trimble tgo software is less than 1cm

    選用了7參數布爾莎模型進行wgs - 1984空間直角坐標系與北京1954空間直角坐標系之間的轉換;使用了高斯-克里格投影進行大地坐標系與平面直角坐標系之間的轉換。
  20. Only small fuzzy rules ( “ if - then ” rule base ) are selected, the fnns may be applied to approximate the unknown chaotic system. using a lyapunov synthesis approach and the parameters projection algorithm, the free parameters of adaptive fnns controller can be tuned on - line

    該方法採用少量模糊規則( 「如果-則」語言規則) ,使模糊神經網路逼近系統中不確定函數;然後通過lyapunov函數法和參數投影演算法,即可在線調整模糊神經網路控制器參數。
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