等梯度圖 的英文怎麼說
中文拼音 [děngtīdùtú]
等梯度圖
英文
isogradient map-
The atmosphere pressure gradient is an inverse measure of the spacing of the isobars on a weather map
氣壓梯度與天氣圖上等壓線的間隔大小成反比。It includes two aspects in content : one is the best choice for plane disposal of pipeline, and its methods follows as decision - making plot, simple trapeziform and optimizing trunkform etc ; the other one is optimizing pipe parameter when the plane disposal of pipeline has been fixed, and the methods of which are linear programming, unlinear programming, dynamic optimizing, direct optimizing, hereditary arithmetic and so on
污水管網優化設計包括兩個方面的內容：一是管線平面布置的優化選擇；其方法有：決策圖法，簡約梯度法，優化樹法等。二是在管線平面布置已定情況下進行管道參數的優化；其方法有：線性規劃法，非線性規劃法，動態優化法，遺傳演算法，直接優化法等。The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology
論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計，並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法；並著重分析人機交互與視點漫遊功能的技術在系統中的實現；在佔用有限資源的前提下，為了提高場景實時顯示速度，論文中採用顯示列表和模型淘汰等技術，並編制出了一個虛擬礦井實例。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time
本文針對plc無功調度曲線控制器，結合整個研製過程，在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述，並給出了部分程序流程簡圖（由於梯形圖網路數太多，受篇幅限制沒有給出） 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識，在設計過程中，我們查閱了大量相關的資料，在充分調查、分析、研究的基礎上，結合桓仁發電廠實際情況，首次提出並研製出了plc無功調度曲線控制器。When the front section length is equal to that of the back section, the torsional characteristic of the system is studied
結合階梯形變幅桿兩段長度相等的情況，分析了系統的扭轉振動特性，得出了過渡段參數和階梯形變幅桿參數的關系圖像。The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program
本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information
先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3階b -樣條小波基函數的選取及其濾波器系數的推導等，然後根據小波變換結果計算梯度矢量矩陣，進行非極大值抑制和雙閾值化，提取目標輪廓。Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west
本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field
應用fluent軟體擬合出傳熱系數與re關系曲線、摩擦阻力系數與re關系曲線、速度與溫度場梯度點積值的等值線圖， nu較大的幾個工況的模擬流場、速度和溫度梯度場。In conjugate gradient optimization algorithm, the continuous and digital models of an imaging system are defined to explain image acquisition, the image registration algorithm and the conjugate gradient reconstruction algorithm are designed
在共軛梯度最優化迭代演算法中，對相機模型、圖像微位移和微旋轉角精確配準、共軛梯度重建等關鍵技術進行了研究。Based on fuzzy logic, an effective algorithm of edge connection is proposed. simulation result shows our approach can highly improve the connectivity of the extracted image boundaries without distortion. this work lays foundations of target detection, tracking, and recognition for photoelectric tracker and imaging radar
通過理論分析及模擬結果證明，本文提出的梯度參數自學習統計的方法和基於模糊判決的邊緣連接方法能夠有效地提取邊緣點進行邊緣連接，能夠在保持原有圖像不失真的情況下，較大地提高圖像邊界的連通性，為光電跟蹤器和成像雷達的目標檢測、跟蹤和識別等提供良好的基礎。A recent questionnaire survey and analysis organized and conducted by us shows that the undergraduate teaching administration of jiangsu university at present should focus on the conformity and optimizing of academic subjects, make effort to reinforce the full - time staff construction mainly with the echelon construction of academic subjects, enhance in an all - round way the training of undergraduates ' learning capability and technical ability of experiment and practice, put emphasis on bilingual teaching, give full play to the supporting function of the resources available such as library books for teaching, give a vigorous impetus to the innovation of administration system, hence to realize the second leap of the level of undergraduate teaching administration of jiangsu university
作者根據教育部本科教學水平評估指標體系，組織了一次問卷調查，結果顯示當前學校本科教學工作應集中精力整合和優化學科結構，著力加強以學科梯隊構建為主線的專任教師隊伍建設，全面加強學生學習能力培養和實驗實習技能訓練，重視雙語教學，充分發揮圖書信息等資源對教學工作的支撐作用，積極推進管理制度創新，以此實現學校本科教學工作水平的二次飛躍。The run stm program includes the control of scanning signal, supervise and control the running state, set the scan range, set parameters, set and acquire the clock, collect and save the image signal, etc. image manipulation functions includes : on the space of the wipe of speckle, smooth image, blur, step sharp image, laplace sharp, and automatically adjust contrast, etc
Stm運行程序包括掃描信號控制、運行狀態監控、設置運行參數，設置並獲得時基、圖像信號採集存取等等。圖像處理功能包括在空間域上的去斑、圖像平滑、模糊、圖像的梯度銳化、拉譜拉斯銳化，對比度自動調整等等功能，在頻域空間上完成數字圖像的傅立葉變換，並討論了理想高低通濾波。In this paper, two kind of wavelet based fusion algorithm of remote sensing images are improved. by experiments on tm images, the improved algorithms are both better than original ones according to the shanon entropy and mean gradient
本文對傳統的基於小波的遙感圖像像素級融合演算法進行改進，並用tm圖像進行實驗，結果表明在信息熵和平均梯度等指標方面，改進后的演算法好於原演算法，起到了優化的作用。After analysis the characters of the human face, we draw a conclusion that the performance both in fast and accuracy can be obtained through suitable character selection and image down sampling. experiments results show that this algorithm is not sensitive to the head rotation and background changing
考慮到實時性和圖像分割，從設計快速準確的檢測演算法作為出發點，結合人臉的特點採用尺度變換、膚色空間和梯度模型等關鍵技術，較好的兼顧了精度和實時性。An equivalent integral programming model and a new semidefinite programming relaxation for the max - bisection problem are given. then, we solve the relaxation with a projected gradient algorithm. coupled with the randomized method, an approximate solution of the max - bisection problem is obtained
2 .給出圖的最大二等分問題的整數規劃模型的等價模型及其新的半定規劃鬆弛模型，利用投影梯度演算法求解該半定規劃鬆弛模型，然後利用隨機擾動演算法求得原問題的次優解First, the dsp board calculates optical flows ( the velocity field of an image ) based on the gradient method. next, the region of the moving object on the image is extracted from the optical flows using knowledge about the region of the object, such as region - merge arithmetic, region - connection arithmetic or clustering arithmetic. finally, the camera is controlled to keep the object in its field of view
我們建立了一個基於tms320c6701的dsps系統，首先求解出基於梯度方法的光流場（原始圖像的速度場） ，然後根據區域合併、區域連通或聚類演算法等方法從光流場中抽取出運動目標區域，並計算出運動目標的速度矢量，進而通過雲臺裝置控制攝像頭的轉動，使得運動目標始終位於攝像機的視野中，從而完成對復雜背景中單個運動目標的實時跟蹤。In addition to showing the solution to linear qd and its analysis, one form of nonlinear qd is discussed. compared with other color diffusion techniques, considering the interactions between channel pairs, qd has the following advantages : 1 staircasing effect is avoided ; 2 as diffusion tensor, the image derivative is regularized without requiring additional convolution ; 3 less time is needed. experimental results demonstrate the effectiveness of linear and nonlinear qd applied to natural color images for denoising by both visual and quantitative evaluations
雖然講四元數用於圖像處理已有了一些研究，但都是研究四元數傅立葉分析四元數小波分析或將簡化的四元數偏微分方程用於灰度圖像處理，而本文第一次將四元數擴散用於顏色圖像處理，這樣的好處包括： 1可以避免一般非線性擴散的階梯效應2四元數擴散不需要對圖像導數進行高斯卷積等歸整化操作3更為省時。分享友人