virtual system computer 中文意思是什麼
virtual system computer
解釋
虛擬系統計算機-
Virtual studio system, which is a hotspot research area in video frequency production field nowadays, its mostly research content is : shoot the histrionic " s perform in blue box, then by using chroma key, synthesize it with virtual scene produced by computer
虛擬演播室系統，是當前視頻製作領域的一個研究發展的熱點，其主要研究內容是：在藍箱中拍攝演員的表演，然後通過色鍵將之與計算機製作的虛擬場景合成。 -
In the recent years, with the development of such technologies as computer and digital signal processing, transaural technology based on system of kemar grows ; it has a broad future on the domain of electro acoustics, indoor - acoustics, yawp - acoustics, psychoacoustics, computer multimedia and manual virtual environment, which has expanded the scope of the system of kemar
但近年來，由於計算機技術，數字信號處理技術等方面的發展，在假頭型立體聲系統的基礎上，發展了聽覺傳輸技術。它在電聲、室內聲、噪聲、心理聲學、計算機多媒體和人工虛擬環境等許多方面有廣泛的應用前景，其內容已超過了假頭型立體聲這樣一種特殊的聲傳輸和重發系統的范疇。 -
By adopting the viewpoint of jialing tool & mould alone manufacturing island ( ami ) in the thesis, it first analyzes the actuality of tool mould system in jialing group equipment and project company, and the development of domestic and overseas manufacturing advanced technology innovating. secondly, it consider establishing jialing - alone manufacturing island of tool & mould ( jl - amitm ) as a hardcore, with applying virtual cad / cam / cae system, rapid prototyping manufacturing ( rpm ) and capp ( computer aid process planning ) system on pdm ( product data management ) basis, to found the quality control system of a spot products, and to form a new manufacturing mode with variety and small quantity
本文應用獨立製造島技術觀點，首先分析了嘉陵集團設備工程公司的工模具系統的現狀和國內外先進製造技術的發展方向，接著考慮以建立以嘉陵工模具獨立製造島為核心，採用虛擬cad / cam / cae系統，應用快速原型製造技術，實施基於pdm的并行集成化capp系統，建立工模具製造質量控制系統，從而形成一種多品種、小批量的新型生產模式。 -
This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。 -
With the development of computer application technology, especial the large improvement of computer graphic processing capability, the desktop vr system which before only can run on high - powered computer now can run normally on a ordinary personal computer. the popularization of virtual reality technology reaches an unprecedented extent, and brings a new life for the development of the virtual laboratory
隨著計算機應用技術的發展，特別是計算機圖形處理性能的大幅度提升，以往只能在高性能計算機上實現的桌面式虛擬現實如今在普通個人計算機上也能正常運行，虛擬現實技術因此達到前所未有的普及程度，也為虛擬實驗室的發展帶來了新的生機。 -
Vi ( virtual instrument ) made up of general hardware and auto - test software is available along with the development of computer and electrical technology, test system based on vxibus is an example of vio test application of one set vxibus vi on space camera is presented in this papero this thesis introduces the development of auto - test technology and instrument concepts on vi > vxibus and its applications, sorts and analyzes the tested signals, describes in detailed the system integrate and auto - test software development of the vi, reveals plenty of test data recorded in graph, chart and file that collected by auto - test software, also the analysis and judgment result of the eye - view controller function tested by the auto - test software o
基於vxi總線的測試系統是具有代表性的虛擬儀器。本文介紹了基於vxi總線的虛擬儀器在空間相機測試上的應用。文中介紹了自動測試技術與儀器的發展，介紹了虛擬儀器的有關概念，介紹了vxi總線系統的應用，對測試信號進行分類、分析，詳細說明了基於vxi總線的虛擬儀器的系統集成，說明了自動測試軟體的開發，列舉了由自動測試軟體獲得的，以圖形、圖表、文件等形式記錄的測試數據，以及由自動測試軟體得出的對目視控制器的功能進行分析和判斷的結果。 -
In the virtual classroom, all of the members who involve in the education activity make a group, and the interaction among the members makes cooperative action. and computer supported cooperative work ( cscw ) means that members of the group who use the computers of a distributed networks system at the same time, accomplite a certain task
而計算機支持的協同工作（ computersupportedcooperativework ，簡寫為cscw ）是指，一個群體中的多個成員，同時使用分散式網路系統上的多臺計算機協同工作，共同完成某項任務。 -
The dissertation covers the topics as follows : 1 ) based on the studies of the net structure of mers, the ideas offered to use the star - type network with server exchanger as its center ; 2 ) by the comprehensive application of virtual, simulating and computer - based graphing technology, to work out a highly - intelligentized engine room simulating system ; 3 ) the probes into designing a dynamic displaying flow chart for the mers by use of grand viewing screen with projector and of computer - based graphing technology ; 4 ) studies offered of the intelligent diagnosis of equipment errors, by which, the simulating system would be able to give early warnings before error occurs
本文研究的內容有： （ 1 ）通過對輪機模擬器網路結構研究，提出採用以交換機為中心的星型網路結構； （ 2 ）綜合應用虛擬現實技術、模擬技術、計算機圖形技術，設計一個具有高智能化的輪機模擬系統； （ 3 ）應用大屏幕投影和計算機圖形技術，設計輪機模擬器動態示教流程圖； （ 4 ）研究輪機模似器故障的智能診斷，使模擬系統能提前對故障發生預警。 -
This thesis devoted to study three - dimensional data stored in database, three - dimensional optimization, the corresponding algorithm of two - dimensional data and three - dimensional data and principle of interactive technical application of virtual reality with three - dimensional model at the theoretical research. the goal of technical research is to develop a set of interactive system based on virtual reality and web with the ordinary computer, namely create a real - time and lifelike virtual reality environment without special hardware equipment, and applies this environment to the interactive system like inquiring, thus to set up a kind of high - quality interactive visiting and inquiring system based on technology of a new generation virtual reality
理論研究的目標致力於三維數據在數據庫中的存儲、三維模型的優化、二維坐標與三維坐標的對應演算法及虛擬現實互動式技術應用的原理；技術研究的目標是在web環境下，利用普通微機開發出一套基於虛擬現實技術的互動式系統，即在無需特殊硬體設備的條件下，能夠創造一個實時逼真的虛擬現實環境，並將此環境應用於查詢等互動式過程，從而建立起一種基於新一代虛擬現實技術的高質量的互動式訪問與查詢系統。 -
Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed
首先將視頻分解成許多連續的靜態圖像幀，經過背景去除，把感興趣的人體區域提取出來，通過二值化，中值濾波等預處理方法得到只有人體的一個單連通區域，然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓，根據運動規律及特徵找到後腿踝關節點，結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關節，跨部關節，前腿踝關節，前腿膝關節四點，從而構建出腿部骨架模型。 2 ）實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模型的自動初始化之後，本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一幀中其實際坐標，從而重構出腿部骨架的運動過程。 -
With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it
利用計算機控制數字量輸出和模擬量輸出來達到控制和調節變頻電機啟停、轉向、轉速;控制制動器的啟停和加載力;在弧面分度凸輪的加載軸和空軸上安裝扭矩傳感器和編碼器;應用虛擬儀器語言labview開發試驗臺的測控軟體系統，用計算機進行實時監測與事後顯示與存儲，並進行信號處理與分析。 -
Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway
本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術，針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術，進行了深入細致的研究，從而探討了建立逼真景觀模型的方法，並基於本文提出的方法研製了一個鐵路線路三維景觀動態模擬系統。基於這一思想，本文主要研究內容及研究成果如下： 1 ）混合語言編程可以實現語言優勢互補，具有普遍意義。針對數字地面模型的建立、優化、重組等計算模塊是成熟的fortran程序代碼，本文成功實現了vc + +與fortran語言的混編； 2 ）緊緊圍繞三維選線設計中景觀模型的建立方法展開研究，綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術，採用opengl三維圖形庫，實現了景觀模型的建立以及動畫驅動，使得三維可視化技術成功應用於選線設計成果的三維直觀表達； 3 ）結合有關科研課題，利用vc + +開發工具，以本文所述的理論和演算法為基礎，研製和開發了一個建立三維選線設計逼真景觀模型的系統軟體- - 「鐵路線路三維景觀動態模擬系統」 。 -
With the rapid development of semiconductor, digital integrated circuit ( p, memory, standard logic gates, etc. ) and advance computer technology, the various measuring instruments ( virtual instruments ) with the powerful function of pc are produced in different industrial and scientific research fields. as we all known, the traditional instruments are usually built with discrete components and small scale ics, the disadvantages are obvious in system design, debugging and maintenance
隨著半導體技術與數字集成電路（微處理器、存貯器以及標準邏輯門電路等）技術的迅速發展，特別是隨著計算機技術的發展，在工業生產和科學技術研究的各行各業中，人們利用pc機的強大處理功能代替傳統儀器的某些部件，開發出各種測量儀器（虛擬儀器） ，傳統儀器的數字邏輯部分多是採用分立集成電路（ ic ）組成，分立ic愈多，給系統的電路設計、調試及維護帶來諸多不便。 -
The combination of the calculation method of virtual confined segment with the computer simulation system for making train diagram can effectively solve the problem of calculating the capacity of passenger train dominated single - track railway. at the same time, the solution has a guiding significance for evaluating the capacities of both passenger and cargo trains of single - track railway in plan as well as evaluating the operational coordination of both passenger and cargo trains
虛擬限制區間計演算法和計算機模擬鋪畫系統的結合有效的解決了以客運為主的單線鐵路通過能力計算問題，對于合理評估計劃修建的單線鐵路的客貨運通過能力、客貨運輸組織的協調性具有指導意義。 -
In fourth part, we analyze a few basic theory problems existing in library network information reference : the first problem is the concept of library network information reference and its related definitions ( information reference under network circumstance, < wp = 20 > network information reference, electronics information reference, remote reference, computer reference, virtual reference, on - line reference, digital reference and computer expert consult system ) ; the second problem is the relationship between library network information reference and network information retrieval ; the third problem is the relationship between library network information reference and network information service ; the fourth problem is the difference between network information reference and traditional information reference, network information reference differs traditional information reference in reference information resource, reference service measures, reference service mode, reference service object, reference service worker, reference service concept, and so on
第四部分分析了圖書館網路信息咨詢中存在的幾個基本理論問題：圖書館網路信息咨詢及其相關概念（網路環境下的信息咨詢、網路信息咨詢、電子信息咨詢、遠程咨詢、計算機咨詢、虛擬咨詢、聯機（在線）咨詢、數字化咨詢和計算機專家咨詢系統） ；圖書館網路信息咨詢與網路信息檢索的關系；圖書館網路信息咨詢與網路信息服務的關系；並詳細比較了網路信息咨詢與傳統信息咨詢在咨詢信息源、咨詢服務手段、咨詢服務方式、咨詢服務內容、咨詢服務對象、咨詢服務人員、咨詢服務觀念等方面的區別。 -
First, the system builds the model of the bank and bottom of river, according to the river ’ s information and the information of the scene on the two side of the river. second, i read and preprocess the model file data and implement the organization and encapsulation about the space data of the virtual river. in the end, adopting to use these rending technology, such as show list, priority texture, and level of detail, i realize the real - time and vivid showing of the three dimension river ’ s virtual scene and provide abundant ways of people ’ s interacting with the virtual scene, on base of sufficiently making use of the memory of vision card and the cpu of the computer
它主要融合虛擬現實技術、三維數據可視化技術、面向對象的設計和編程技術，在vc + +平臺上，利用opengl三維圖形開發庫，以真實的城市河道現狀信息和周邊景物信息為依據，對河道、河底的三維空間數據進行三維幾何建模;然後通過讀取和預處理模型文件數據，實現虛擬場景空間數據的組織和封裝操作，並對空間數據進行優化;最後採用顯示列表、紋理優先級、細節層級模型（ lod ）等渲染技術，利用opengl的渲染特性，在充分發揮顯卡內存、處理器等各種軟硬體資源的基礎上，實現三維河流實時逼真的真實感虛擬場景顯示，並提供豐富的人機交互手段。 -
Actual system in the condition of laboratory is the background of the study on virtual experiment system of hydraulic carne that realize system simulation in virtual prototyping by personal computer
液壓起重機虛擬樣機實驗系統研究，以實驗室條件下的真實系統為開發背景，實現了虛擬樣機在個人電腦上的系統模擬。 -
The simulation system is a computer generated forces ( cgf ) system, and it can provide virtual air - raid forces as enemy for antiaircraft forces in antiaircraft training
該系統是一個計算機生成兵力系統，在防空訓練模擬中為防禦方提供作為敵方的空襲兵力，即虛擬靶標。 -
In the process of related database design, the technical innovation is used to reduce the complicated level of related database. in the part of system implement, this dissertation discusses some points of system fulfillment, such as communication between computer serial ports, virtual device function, and the software - reused methods of system " s update and compatibility
在系統實現部分的論述中，文章詳細闡述了系統的實現要點，包括系統的計算機串口通信、系統怎樣虛擬成一些特殊的硬體設備以及本系統與其它應用系統掛接等問題的解決，並且對系統擴展性、系統硬體設備兼容性等實現所採用的軟體重用方法進行了相關說明。 -
The distributed virtual reality ( abbreviated as dvr ) is a virtual system, which is extensive, networked, and based on computer
分散式虛擬現實（ distributedvirtualreality ，簡稱dvr ） ，就是大規模的、網路化的、基於計算機的虛擬系統。
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