有界實數集 的英文怎麼說
中文拼音 [yǒujièshíshǔjí]
有界實數集
英文
boundedsetof real numbers-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點The findings of this thesis reflect that the object - oriented method is an effective means used in developing finite element analysis software, compared with traditional method it possesses the advantages of being more structured, easy to be compiled, maintained and extended and the program code can be much more reused. the oop method not only improve the functions of finite element software but also realize the congruity between the computing model and physical model in the real world, and promote the integrity technique of cad / cae
本文結果表明，面向對象方法是一種強有力的工具，採用面向對象方法開發大型有限元分析軟體是一種非常有效的方法，與傳統的有限元程序相比，面向對象有限元程序更加結構化、更易於編寫、更易於維護和擴充，程序代碼的可重用成分更大，它不僅能提高有限元軟體的功能，而且能實現數據模型與計算機模型以及現實世界物理模型之間的一致性，方便太原理工大學碩士學位論文cad / cae系統的集成。We hold that the integrate effect consists of two parts : 1 + 1 > 2 and a + b = c, in terms of math : here x1, x2, . . . , xn : integrate units s : functions of new system what features an integrated system are subjective initiative, non - linear function, dynamic connection, sub - system uncertainty, selective competition. the basic factors of integration are integrate context, integrate units, integrate interface and environment, which form the integration condition respectively the basic integrate patterns covers point - to - point, pipeline and hub
首先，深入探討了集成的內涵，即集成是指為了實現某一目標，在一定的集成環境中，若干集成單元動態地集合成一個泛邊界狀態的有機整體的過程，指出集成效應的數學解釋除了1 + 1 2外，還應該包括： a + b = c ，即若以x _ 1 ， x _ 2 ， … … ， x _ n代表集成單元， s代表集成后新系統的總功能，那麼其特徵有：主體行為性、功能非線性、關系動態性、單元泛化性、選擇競爭性；集成的基本要素包括集成背景、集成單元、集成界面和集成環境等四要素；基本模式有點到點模式、管線型模式和集線器型模式；基本條件有集成背景條件、集成單元條件、集成界面條件和集成環境條件。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。The superstratum interfaces are designed with vb6. 0. it can examine and display digital signals and analog signals, and set communication port simply by asking
上層界面用vb6 . 0設計，所設計的界面能對單片機採集的模擬信號和數字信號進行顯示與處理，並能根據需要設置通信埠，操作簡單，具有實用價值。Boundedsetof real numbers
有界實數集合The dcs of i / a series is regarded as main reference object, and the control is separated from model. and the configuration of control is operatised at administration system, not to be added into model, not to build control sound code also. therefore it realizes on - line adjusting, real - time control and so on. users configurate by filling table. they only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, so personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the system, not need to know the programs deeply. so the configuration software offer a flat that control engineers can attend to control loop, not to give their attention to the complicated program
在本課題中，採用填表的方式進行控制組態，用戶只需定義i / o條件、填寫具體的運算變量名即可。本軟體為建模人員提供了一個友好的用戶界面，使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改，實時改變各邏輯和控制變量在數據庫里的值，參與運行和調試，從而實現對系統的控制。因此，本組態軟體提供的這樣一個平臺，讓控制工程師能集中精力于控制迴路的構成，而不必拘泥於一些具體而煩瑣的程序操作。Ab stract the author is engaged in the studying and manufacturing of an intelligent, capable and portable, multifuctional electrocardio monitoring equipment with aduc8 12 single - chip. microcomputer. the equipment can gather and record the electrocardio signals automatically, also can analyse it at real time, and send it out to the monitoring center through the telephone at real time or send it out by serial interfaces to computer. it use the graph display device to show the electrocardio waves and menu. cooperated with buttons, it provides amicable interface, and makes operation simple and convenient. based on the feature of the electrocardio signals, this paper also proposes a electrocardio distortionless data compression algorithm. the algorithn is simple but effective, it can process the data at real time, and the compression - ratio reaches 2 6
所研製的監護儀能長時間採集和記錄心電信號，同時可進行心電數據的實時分析，並可通過電話向監護中心實時發送，也可通過串列介面發送至微機。該監護儀採用圖形液晶顯示器顯示心電波形和菜單，配合按鍵提供友好的人機界面，操作簡潔。本文還根據心電波形的特徵，提出一種心電數據的無損壓縮演算法，該演算法簡單有效，能實時實現，壓縮比達到2 6倍。After analyzing deeply the present situation of such system in china, author has emphasized the professional use in designing management information system of urban planning and land use file. according to the property, characteristic of the xi " an institute of survey itself and the main technological prop - up of gis functional particularity to determine the system " s developing designed target in detail. needs to research the duty data and integrated management of drawing - piece information, to develop network illustrating inquiring, indexing or operation in view of computer network to design developing user covering for friendship video ability to achieve the planned supervision data and the integrated administration of drawing - piece information, illustrating inquiring by network and handle - case by project network, to form integrated illustrating data storage in view of computer network circumstances, to satisfy the demand of city land use administration, to make the system give free rein to proper role during the user in operation, to make the system give free rein to proper role during the user in operation on the particular duty
作者通過對國內同類系統建設情況進行了較為詳細的研究后，認為設計規劃用地檔案管理信息系統應以強調業務化與實用性為主，根據西安勘測院自身的工作性質、特點及作為系統主要技術支撐的gis功能特性來具體設定系統的開發設計目標，研究業務數據和圖件資料的集成管理模式，發展基於計算機網路的聯網圖文查詢、檢索和操作，設計開發友好的可視化用戶界面，實現規劃管理業務數據和圖件資料的集成管理、聯網圖文查詢以及項目聯網辦案，形成基於計算機網路環境的圖文集成數據庫，滿足城市用地管理的需要，使系統能在用戶的具體業務運作中發揮其應有的作用。The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future
首先介紹了器件建模的基本原理及相關模擬技術，然後利用工藝模擬軟體生成器件基本結構，並對其基本特性進行了分析;分析了業內和學術界比較通用的高壓器件建模的方法，隨后在模擬實驗的基礎上著重分析了dddmos的物理特性，在求解泊松方程、連續性方程等基本方程的基礎上，建立有物理意義的漂移區電阻的宏模型;隨后結合spicemos （ level = 3 ）模型而得到完整的dddmos模型，此模型與模擬數據符合得比較好，通過對不同工藝參數的器件進行模擬比較，該模型能夠覆蓋不同的工作偏壓范圍，具有較明確的物理意義，對今後的功率集成電路的研發有一定的參考意義。In order to efficiently express 3d objects in the actual world, especially, coal beds, a new method of 3d based on set theory was proposed after analyzing complicated 3d data of coal beds
摘要為了有效地表達現實世界特別是煤礦床的三維空間實體，在分析了復雜煤層三維數據的基礎上，基於集合論的數學思想，提出了一種新的抽象的煤礦床空間數據模型。Therefore it comes true the on - line adjusting, real - time control and so on. it sames as real locale. the software of logic protect ( include electric logic ) and control includes some usual algebraic and operation model of thermal control and logic operation of logic protect. it adopts foxboro ' s dcs as a example, so we configuration via filling table, user only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the set, not need to know about the inside of the old programs deeply. so the configuration software offer a flat that control engineer can attend to the structure of control loop and logic protect ( include electric logic ), not but to handle complicated program
它以foxboro的dcs控制系統為主要參考模式，採用填表的方式進行控制組態，用戶只需定義i / o條件、填寫具體的運算變量名、邏輯變量名即可。本軟體為建模人員提供了一個友好的用戶界面，使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改，實時改變各邏輯和控制變量在數據庫里的值，參與運行和調試，從而實現對機組的控制。因此，本組態軟體提供的這樣一個平臺，讓控制工程師能集中精力于控制迴路及邏輯保護（包含電氣邏輯）的構成，而不必拘泥於一些具體而煩瑣的程序操作。This paper describes an aag ( attributed adjacency garaph ) based method of machining features recognition for shaft kind parts and 2. 5d parts on the acis platform, which can effectively recognize the main and assistant feature of these kinds of parts. using the class library provided by acis, all the geometrical information for defining a feature can be acquired. finally a xml neutral file describing the recognition result is provided for the later capp process and the generation of nc code
本文首先分析三維實體邊界模型的特徵識別方法及其特點，繼而採用基於屬性鄰接圖的特徵識別方法，研究了軸類零件及2 . 5維零件的加工特徵的分類及其識別，並在acis平臺上開發了相應的軟體原型系統，有效地識別該類零件的主特徵和常見的輔助特徵，且利用acis提供的類庫介面提取模型底層的幾何參數，得到定義各項特徵所需的幾何尺寸信息，最後以xml中性文件的形式輸出識別結果，為后續進行的工藝規劃、加工代碼生成提供初始數據，從而為cad / capp / cam的集成提供有效的方法。A monitor software with friendly user interface was developed with labwindows / cvi ? a kind of virtual instrument develop platform. many functions such as real - time data sampling, processing, displaying and data saving were implemented in it
採用虛擬儀器開發平臺labwindows / cvi開發出了具有友好用戶界面的測試控制軟體，實現了閉式循環柴油機各種參數的實時採集、處理、顯示與保存等功能。The exploitation and study of this system have got great success, compared with the ones of the same type, this system is more open and more easily used to merge with cad and cam, it runs stably, is convenient to be maintained and the interface is friendly and intuitional. its usage can be grasped quickly. according to the input information, it can automatically display different properties of nc codes in different colors, and zoom in or zoom out the figure of tool nose paths dynamically
本系統的開發研究已取得實質性成果，與國內同類的數控系統相比，具有真正的開放性，易於實現與cad cam軟體集成，運行穩定，維護方便，界面友好直觀，易學易用，能根據輸入自動顯示不同顏色以區廣西大學頎士學趕文募于； m咖ss平臺肘開俠尤三劫肛前喊在系統開發研窮分代碼的屬性，能動態縮放顯示刀具軌跡圖形，此外，它有較好的多任務性和獨立性，能在加工時執行其它windows應用程序而不影響加工，控制器甚至能在pc端操作系統關閉時繼續完成加工，可用軟體控制面板或硬體操作面板兩種方式操縱機床。Chapter 2 of this paper, by using a new method of proof, we obtain the weak ergodic convergence theorem for general semigroups of asymptotically nonexpansive type semigroups in reflexive banach space. by theorem 2. 1 of chapter 1 we get the weak ergodic convergence theorem of almost orbit for general semigroups of asymptotically nonexpansive type semigroups in reflexive banach space. by this method of proof, we give the weak ergodic convergence theorems for right reversible semigroups. by theorem 2. 1 of chapter l, we generalize the result to almost orbit case. so we can remove a key supposition that almost orbit is almost asymptotically isometric. it includes all commutative semigroups cases. baillon [ 8 ], hirano and takahashi [ 9 ] gave nonlinear retraction theorems for nonexpansive semigroups. recently mizoguchi and takahashi [ 10 ] proved a nonlinear ergodic retraction theorem for lipschitzian semigroups. hirano and kido and takahashi [ 11 ], hirano [ 12 ] gave nonlinear retraction theorems for nonexpansive mappings in uniformly convex banach spaces with frechet differentiable norm. in 1997, li and ma [ 16 ] proved the ergodic retraction theorem for general semitopological semigroups in hilbert space without the conditions that the domain is closed and convex, which greatly extended the fields of applications of ergodic theory. chapter 2 of this paper, we obtain the ergodic retraction theorem for general semigroups and almost orbits of asymptotically nonexpansive type semigroups in reflexive banach spaces. and we give the ergodic retraction theorem for almost orbits of right reversible semitopological semigroups
近年來， bruck [ 5 ] ， reich [ 6 ] ， oka [ 7 ]等在具frechet可微范數的一致凸banach空間中給出了非擴張及漸近非擴張映射及半群的遍歷收斂定理。 li和ma [ 13 ]在具frechet可微范數的自反banach空間中給出了一般交換漸近非擴張型拓撲半群的遍歷收斂定理，這是一個重大突破。本文第二章用一種新的證明方法在自反banach空間中，研究了揚州大學碩士學位論文2一般半群上的（ r ）類漸近非擴張型半群的弱遍歷收斂定理，即:定理3 . 1設x是具性質（ f ）的實自反banach空間， c是x的非空有界閉凸子集， g為含單位元的一般半群， s =仕工， 。Throughout the following of this section, e denotes a real banach space and p is a cone in e. in chapter, a new three - solution theorem is obtained. moreover, the famous amann ' s and leggett - williams " three - solution theorems in nonlinear functional analysis can be seen as its special cases, namely they are united. so they are improved. the main results can be stated as the following : let d be a nonempty bounded close convex subset in e, and nonnegative continuous functional on d. and is concave while is convex. suppose 0 < d and denote
首先我們約定，在下文中， e是實banach空間， p是e中的錐。在第一章中，我們利用錐理論與不動點指數理論統一了著名的amann三解定理與leggett - williams三解定理。主要結論是：設d是e中的非空有界閉凸集， ，是d上的非負連續泛函，且是凹泛函，是凸泛函。U xl dcs is a powerful and competitive system with easy extension, perfect control, convenient data dealing, concentrated operation, friendly interface, simple and canonical installation, expedient debugging and safe and reliable running. by system configuration and software development for control, all important parameters in sintering process are stabilized and key procedures such like mineral blending and watering are insured for stability and precision
Xl集散控制系統具有通用性強、控制功能完善、數據處理方便、顯示操作集中、人機界面友好、安裝簡單規范、調試方便、運行安全可靠的特點，經過系統配置和控制軟體編制，有效實現了燒結過程的主要參數穩定化控制，確保了混合配礦、濕度控制加水等關鍵工藝過程的穩定性和控制精度。Furthermore, the board noted that consultations were being conducted by c & sd with relevant parties ( especially the trading community ) to gain greater understanding about trade practices before implementing modifications in the relevant data collection processes
此外，委員知悉統計處現正與有關方面（特別是貿易界）進行諮詢，以便加深了解貿易的實際業務方式，然後才修訂有關的數據搜集步驟。分享友人