等比容線的 的英文怎麼說

中文拼音 [děngróngxiànde]
等比容線的 英文
isosteric
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 4次方是 The fourth power of 2 is direction
  • 等比 : ratio of equality; equal ratio等比級數 geometric progression; geometric series; 等比生長 [生物學]...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對性相位匹配濾波器輸出信噪損失程度、對多卜勒頻率分辨能力影響程度、對最優相參積累時間約束關系以及性相位匹配濾波器輸出受加速度影響問題。
  2. The basic concept of terrain information content is proposed after an overall review of existing research achievement. applying a series of analysis and data processing method, like math - analysis, mathematical statistics, comparative, error visualizing, this paper carefully investigated the terrain information content characteristic of dems of 1 : 50000 map scale of loess plateau area

    本文在對前人已有研究成果進行系統總結基礎上,首先明確了dem地形信息基本概念,並運用數學分析、數理統計、較分析、誤差地圖方法,以海拔高程與為研究對象,以1 : 1萬例尺dem為參考真值,探討了黃土丘陵溝壑區1 : 5萬dem地形信息量特徵。
  3. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了較深入探討:全面回顧了「可持續發展」概念由來與演變,對國內外「可持續發展」研究現狀進行了述評,並對「可持續發展」概念科學內涵進行了深入探討;對涉及地下水資源一些最基本概念和命題進行了全面回顧和評述,對目前仍然存在一些錯誤觀點和混亂認識提出了自己見解;全面闡述了地下水資源變值系統理論和意義,並與傳統地下水資源計算評價方法進行了對分析,結合實例具體說明了方法應用;深入分析了地下水資源預測預報工作極端重要性和復雜性,對傳統地下水資源動態預測方法進行了全面評述,指出了各類預測預報方法特點及適用條件,對最近二十多年剛發展起來小波分析技術主要思想和方法及其應用范圍,以及號稱第五代計算機語言matlab軟體和附帶小波分析工具箱進行了介紹,並應用於地下水動態過程分析,採用時間序列中b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報新思路;綜合分析了現今各類地下水管理模型特點及缺陷,將數學規劃、數理統計、隨機過程與地下水變值系統理論相結合進行地表水地下水或多水源聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確資源觀,科學資源計算與評價方法,可靠資源預測預報技術,可操作資源管理措施,外部條件主要是高層發展思路、管理體制變革、配套政策法規、經濟杠桿調節、人文素質提高、節水意識增強及具體節水措施、人口增長控制、水體污染防治、生態恢復和重建;從宇宙科學、地球系統科學及哲學高度審視地下水資源可持續開發;指出了地下水資源可持續開發進一步研究方向。
  4. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內包括:一、總結分析了當前水下導航常用方法和不足之處,指出基於航位推算導航方法,存在著最大問題就是導航誤差積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航需求;二、總結了當前水下地形輔助導航主要技術路,一是基於地形高程匹配方法,這是當前研究重點;二是基於地形圖像匹配方法,由於缺乏良好圖像傳感器,和可用海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配常用方法應用到自主水下航行器上:以相關演算法為前提地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度較高,但存在著演算法較為復雜、有可能發散和出現奇異值問題。
  5. " electronic 1c chip drawing system " provides many functions such as " modify the position of the component ' s diagram " " modify the color of the component ' s diagram " " magnify and minify the component ' s diagram without distortion " " change the type of drawing line " " edit some physical properties of the component " " copy and paste diagram of one component " " delete one or more component diagrams " " move more than one components " positions " " change the z _ order of the diagram, set it to back or bring it to front " " save the drawing of the electronic components to one file and the file extension name is *. brd " " print the drawing ". users can finish all these functions easily by clicking and dragging the mouse

    電路板元器件繪制系統主要完成了使用鼠標拖拽、鼠標點按方式繪制電路板上各種常見元器件圖形;編輯電路板上元器件圖形位置;編輯元器件圖形顏色;不失真對器件圖形進行放大和縮小;編輯元器件圖形型;編輯電路板上各個器件物理屬性(如電阻阻值大小、電量大小、額定電壓) ;復制已經繪制出電路板上器件;粘貼剪貼板上器件;刪除單個或多個已經繪制出器件圖形;同時改變多個器件圖形位置;改變繪制區內各個元器件zorder順序,也就是可以將層疊在一起圖形置前或置后;把繪制電路板器件圖保存到指定文件中;能打開、查看和修改保存電路板器件圖;列印電路板器件圖。
  6. With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system

    然而由凝結理論和沉積理論得到計算結果往往與實際有一定偏差,本課題希望通過實驗方法獲得內部結露臨界,即系統進水能力和排水能力相,由於系統進水能力和充放氣過程中凝結水滴密度有關,排水能力和系統有關,可以通過大量實驗總結出以凝結水滴密度和表示內部結露臨界曲,作為判別內部結露是否發生依據。
  7. This dissertation deals with the content - based image retrieval ( cbir ) theory and technique ; some new features and tools for more concisely and discriminatingly charactering the content of an image are proposed, such as region - based color histogram, grey - primitive co - occurrence matrix, ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment. a new modified genetic algorithm is also described in this dissertation, which can upgrade the performance of standard genetic algorithm ( sga ) while used in image segmentation

    本文以圖像數據庫檢索為主,討論了基於視覺內圖像檢索方法,提出包括基於區域顏色直方圖、灰度?基元共生矩陣及向心矩、偏心矩、慣性矩特徵描述方式;對遺傳演算法存在早熟、收斂到最優解慢問題提出了解決方法,並將改進遺傳演算法應用到圖像分割中,編制了相應程序。
  8. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直感應電機進行了深入細致研究,內包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場分析、較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下瞬態分析,得到了轉矩,位移,轉速隨時間變化曲圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了較,採用效電路法計算了堵轉時最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了較,對其不對稱性進行了定性分析。
  9. So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing

    本文首先介紹圍海工程發展進程與國內外圍海開發現狀,重點介紹了我國目前圍海工程特點及在圍海工程實踐中積累經驗和理論;利用fortran語言完善堵口工程龍口水力計算程序,使程序可以滿足圍海工程復雜工況下(如考慮內港洪水、計算時段變化、多口門、多庫、多水閘)龍口水力計算,並進行大量方案較和分析,提出合理計算方案;利用面向對象可視化編程語言vb進行界面開發,使計算過程有良好人機界面,更直觀地對計算結果進行分析和處理;計算結果后處理採用vb編程實現龍口水力要素最大值繪制;並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口水力計算,為堵口合龍提供科學依據。
  10. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合方法,研究了目前應用較多綜合性大廈? ?框支分區剪力墻高層商住樓抗震性能及空間精細分析和簡化分析方法,主要內為以下幾方面:對一擬建復雜高層建築結構,採用1 20空間整體模型,進行了26種工況下模擬地震振動臺試驗,觀察了結構破壞過程和地震反應,分析了結構及構件抗震性能;建立了結構精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果,對結構抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計通風、採光要求,又可達到協調結構轉換層上、下樓層抗側剛度效果,是一種較理想有多道抗震防結構型式。
  11. In accordance with practice a differentiation is made between variants and performance classes of favourably priced designs with flat sensor housings and pvc connection cables up to high capacity sensors with special wiring silicon, teflon

    根據實踐經驗,差異是由變量和表現級造成-如價格合理設計,扁平傳感器外形和pvc連接電纜到有特殊電硅特氟隆傳感器。
  12. Abstract : by comparing the channel capacities hetwem orthogonal space - time block coding and multi - antenna array system over rayleigh fading channel, some capacity loss for orthogonal space - time block coding is obtained, which is a function of the code rate, the rank of channel matrix and the number of transmitter and receive antennas, although the system of orthogonal space - time block codes is simple and easy to implemented. if is also shown that there is no capacity loss only if both the code rate and the channel matrix rank are all one

    文摘:在研究瑞利衰落條件下正交空時分組編碼通道基礎上,將其與多發送多接收天系統通道量進行了較.較結果表明,正交空時分組碼雖編碼簡單,易於實現,但在通道量方面存在較大損失,損失程度與編碼碼率、通道矩陣秩及收發天因素有關.進一步研究表明只有當編碼碼率和通道矩陣秩都為1時,才沒有通道損失
  13. A method of plotting the isovalue line of implicit functions by computer is introduced, the comparison of our method with traditional method of intensity scaling is given. by using of our method, some examples of isopotential and interference in college physics are displayed

    通過介紹有關隱函數計算機繪制方法,與傳統物理圖形強度定標法作了較.用此方法舉例模擬了大學物理課程內中電荷和波干涉圖象
  14. Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research

    論文首先概括介紹了用快速建立3d地面模型和顯示相關技術,並論述了課題研究背景和選題依據;其次,論文闡述了如何對數據進行預處理,提出了有效得到矢量化方法;再次用矢量化數據建立三維地面模型,通過對應關系確定、瓦片操作、分支操作建立地面高程模型;然後論文對地面模型實時渲染問題進行了深入闡述,主要是從lod技術三種演算法著手進行研究,通過對四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況地面數據顯示優缺點,再結合本系統地形數據特點選擇了適合演算法:四叉樹演算法;最後,用vrml和基於opengl三維可視化技術在vc平臺上開發並實現了地形三維快速顯示系統,為論文研究內提供了有力論證。
  15. 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發展與應用情況,對計算機圖形學和數字圖像處理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、模板操作進行了討論:然後對圖像增強處理和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理方法應用場合進行了說明,並對實物圖像處理結果進行了分析與較;接下來介紹了數學形態學方法、對增強后圖像進行邊緣檢測方法和圖像特徵描述方法,並獲取輪廓特徵點:隨后對獲取特徵點進行坐標變換,並進行b樣條曲擬合,引入相關條件生成齒輪副嚙合及嚙合軌跡:最後引入和區域填充表示方法,並以和區域填充形式對弧齒錐齒輪嚙合模擬載荷分佈情況進行了直觀表示。
  16. In the paper, the methods how to manage the raw material fields is devoted. accord to the wuhan iron and steel ( group ) co. industrial port " s level, with operation research, physical distribution, computer technology how to deal with transport, loading or unloading stockpiling advance an idea. in the paper, the raw material fields " physical distribution system is departed to three part : optimum burden, the best line, loading and unloading advance, step by range and step by level, its can be implement so as to improve the product ' s competition ability

    本課題研究內主要是原料場混勻配料及作業系統優化,它包括配料計劃選擇及作業選擇、料場貨位及貯量合理配置幾項綜合優化,是一個較大物流系統規劃。主要以武鋼工業港原料場為例證展開研究。配料計劃優化是以可以降低成本並保證成份控制為目標進行性規劃
  17. Chaos often exists in nonlinear system ; it has many good properties, such as ergodicity, stochastic and so on. a chaos motion can go nonrepeatedly through every stated in a certain domain. secondly, this paper discusses the progress of the communications with chaos and the capacity ' s analysis of the mud in the cdma

    本文首先介紹了一些較成熟混沌理論,混沌運動廣泛存在於非性系統中,它具有遍歷性、隨機性和對初值敏感優良性質,且在某個域內不可重復走向每個狀態,然後是討論混沌通信研究進展和對cdma多用戶檢測系統分析。
  18. On the premise of summarizing former contributions in the field, and considering the universality of the cylindrical space with circular cross - section in industry, the author develop a novel ofpt structure, on which the design theories, numerical simulation, design of experimental system for plane structure, preliminary experiment and design of applied space structure are presented. the main contents of the thesis are that : put forward the novel ofpt pixel distribution and plane - light - path design theories and their empirical formulae. the numbers of the ofs units and their emitting rays can be decided by the requirements of image - reconstructed resolution and the size of the center unmeasured region

    本論文在總結前人工作前提下,充分兼顧了工業中具有圓形截面圓柱形器或管道普遍存在事實,提出了一種新型光纖過程層析成像結構,並從理論設計方法,具體結構模擬,平面結構實驗系統設計,初步實驗以及空間結構實用化設計、理論分析方面進行了研究,主要創新點在於:提出了一種用於工業過程監測與控制新型光纖過程層析成像結構設計方法,並推導了該方法經驗公式,該方法主要包括像素分配和平面光路結構設計,可以根據工程應用中圖像重建解析度和圓形截面非測量區域所佔要求,設計所需傳感單元數目和傳感單元發射光數目;設計了一種新型光纖過程層析成像結構,並對該結構進行了可行性分析和數值模擬。
  19. This paper utilizes the software matlab to program the each working volume. it helps to analyze the volume change curve. at the same time, comparison with combination profile compressor and single circle compressor is presented, with the result that combination profile compressor has the advantages of high efficiency, little leakage and high quotient of volume using

    論文運用matlab數學軟體對新型組合曲渦旋壓縮機各個壓縮腔積進行了編程運算,對各個壓縮腔變化規律給出了幾何直觀描述,並且對組合曲壓縮機和圓漸開壓縮機進行了性能對分析,證明組合曲渦旋壓縮機具有效率高、體積利用系數大優點。
  20. In this paper, a size detecting system, which based on the machine vision technology and image process method has been developed. this system can be applied to the notched impact specimens ’ product line. the main research as follows : according to the request of the notched impact specimens ’ on - line detecting and the feature of machine vision system, on - line detecting system of the notched impact specimens ’ dimension and shape designed by using the technique of image acquisition, display, processing and analysis, which includes the structure design of the system, the configuration of the hardware, the comparison image of image processing, the design of the software and the final error analyzing

    本文以機器視覺技術為基礎,以圖像處理技術為方法,針對機械加工特殊條件,開發了用於沖擊試樣零件生產尺寸檢測系統,本文主要研究了以下內:針對沖擊試樣在檢測研製要求,結合機器視覺系統功能及結構特點,利用圖像採集、顯示、處理和分析技術,完成了沖擊試樣尺寸在視覺檢測系統設計,包括系統總體結構設計、硬體配置、圖像處理方法較分析、軟體設計及誤差分析
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