asynchronous computer 中文意思是什麼

asynchronous computer 解釋
非同步計算機
  • asynchronous : adj. 1. 時間不一致的，不同時的。2. 【電學】異步的。
  • computer : n. 1. 計算者。2. （電子）計算機；計量器。-ism 電子計算機主義〈認為電子計算機萬能等〉。-erite, -nik 計算機專家；計算機工作者。
  1. This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters

    詳細介紹了應用模糊控制演算法，以變頻器通訊方式進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機，主要實現系統控制、數據顯示等功能，另外還有數據庫瀏覽、數據列印等功能；下位機以at89c52為核心，負責所有參數的採集、處理、顯示、上傳、控制等。
  2. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  3. The whole part of the data acquisition is build in a computer as two data acquisition cards. they are front card and rear card. the front card composed of four modules. they are : coin circuit module, data flow controller module, sdram array module and system bus interface module. the rear card composed of four odules. they are : asynchronous serial port interface module, adc control odule, ecg signal process module and gate control data produce module

    數據採集模式實現部分的大部分工作是在前面板上完成的，後面板主要是一些外圍電路。前面板採集卡上從物理上來說主要有四塊電路:符合電路，數據流控制器電路， sdram陣列和系統總線介面電路組成。後面板採集卡從總體物理上主要有四塊電路組成: 485串列通信電路， adc控制電路，心電數據處理電路和門控信號產生電路。
  4. With the development of new power electronic component and computer technology, high performance asynchronous motor system has been applied extensively

    隨著新型電力電子器件的不斷涌現和計算機技術的不斷發展，高性能的異步電動機調速系統得到了廣泛的應用。
  5. Abstract : the paper proposes a mathematical model of a / d converter with quantizing error, nonlinearity and differential nonlinearity errors for computer simulation, and based on the model, the errors caused by voltage change, current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms

    文摘:本文提出了具有量化誤差、非線性誤差和微分非線性誤差的a / d轉換器的數學模型，在該數學模型的基礎上，模擬分析了非同步采樣法、準同步采樣遞推演算法各種情況下的誤差，包括功率測量中電壓線性、電流線性、相位變化誤差及電壓測量的誤差。
  6. Common data interfaces used in radio include rs - 232, etc. as the rapid growth of data speed in data radio, asynchronous serial port does not meet the need of data transmission of high - speed data radio. data radio is gradually using ethernet interface as high - speed data radio ’ s data interface, to function as a high - speed data channel between host computer and data radio. this paper brings forward a universal radio interface protocol model, whose core is taking ethernet as a high speed data channel in network protocol stack

    本文針對電臺的以太網介面，經過對各種電臺的功能分析，提出了一種通用的在以太網通信中適用的報文介面協議模型，其核心思想是將以太網作為網路協議棧中內部的高速數據傳輸通道來使用，作為鏈路層和物理層之間的內部介面，同時提供電臺控制和數據傳輸兩大功能模塊。
  7. Through theoretical analyzing and experimentation, the paper presents a method of relay ' s electric life testing, when relay control single - phase alternate current asynchronous motor ( sacam ) starting and stopping directly. the computer technology of control, sampling and data processing is researched on electric life testing of relay that is used in all sorts of modes, include aforesaid mode

    首先，本文在理論分析和實驗的基礎上，提出直接用於控制單相交流異步電動機的繼電器電壽命試驗方法，並研究包括上述使用類別在內的各種使用類別的，繼電器電壽命試驗計算機測控技術與數據處理技術。
  8. Network education teaching on internet divides into synchronous and asynchronous teaching two classes. the synchronous teaching transfers the multimedia classroom ’ s scene and teacher ’ s media in teaching with ddn / adsl / atm and sky satellite to distance classroom at real - time by internet audio and video technology so that the teacher questions their students and their students ask the question as well or the students consult their teacher, which realizes the similar teaching at a classroom. the courseware on demand ( cod ) is a important study method in asynchronous teaching, that the courseware was stored in the computer server, the student demand the courseware according to their plan to self - study, accompanying that the teachers answer the students ’ question on internet, bbs at the same time, which complete the asynchronous teaching

    利用internet實現網路教學可以分為同步式和異步式兩種:同步式教學主要應用internet的網路音視頻技術，通過地網（ ddn / adsl / atm ）或天網（衛星）將多媒體教室中教師授課內容和授課情景實時轉播到遠端多媒體聽課教室，學生可在遠端即時回答老師的提問或向老師提問，實現了與真實課堂類似的實時互動式教學;異步教學的重要學習方式是課件點播（ coursewareondemand ） ，即將多媒體課件放在服務器上，學生依據個人學習進度通過網路點播所需課件進行自主學習，同時與教師在網上輔導答疑、網上討論等環節相結合，完成網路教學的異步教學過程。
  9. With regard to the distributed computer control system, the paper gives a minute description on the hardware structure of the control computer, what ' s more, it provides a full and accurate supplement about the software design of the control computer system : data acquisition program, asynchronous serial communication program, command processing program, da output program etc. in addition, according to the standard of rs232, it works out and realizes a convenient protocol which suits the asynchronous serial communication between the acquisition computer and the control computer

    在分散式計算機控制系統方面，文中詳細介紹了下位控制計算機系統的硬體結構和軟體發計，包括數據採集程序、串列通訊程序、命令處理程序、控制輸出程序的設計。此外，本文基於rs232標準，設計了簡便的適合於本系統的串口通訊協議，並從軟體上給予了實現。論文通過機理分析的方法建立了系統模型。
  10. In chapter 4, the performance of asynchronous systems with multilevel spreading codes based on periodical repetition of quantized chaotic time series is presented, focusing on the ds - cdma systems. some computer simulations for four kinds of chaos - based sequences are given to examine the results that chaos - based sequences outperform the classical spreading sequences ( maximum - length and gold sequences ) and the chaos - based sequences from the chevbyshev maps ( k = 3, 7, 11 ) is the best among them. as the result of these optimization effort, two design means toward sequences optimization are obtained, in which one is based on the entropy theory, the other is on minimizing the average possible error

    3 、本文的第四章分析了混沌序列的各種統計特性，著重研究混沌序列作為混沌擴頻序列在ds ? cdma系統中的抗擾性能，對不同的混沌擴頻序列和典型的擴頻序列進行了模擬，從模擬結果中可知，混沌擴頻序列的性能可以與典型的擴頻序列媲美，經過優化設計的混沌序列特性優于典型的擴頻序列；在混沌序列中， chebyshev混沌序列（ k等於3 . 7 . 11 … …時）是最佳序列之一。
  11. By far the most popular serial interface between a computer and its crt terminal is the asynchronous serial interface, and between a circuit switch and its telephone terminal, the synchronous one

    在計算機與其顯示終端之間最為常見的串列介面是異步串列介面，而在電路交換機與其電話終端之間最為常見的串列介面是同步串列介面。
  12. Asynchronous directcoupled computer

    異步直接耦合計算機
  13. The testing system improved the testing precision, reduced the infection of the testing people, realized the auto computer control. on the other hand, the testing system can realize the auto manage to the testing data, draw characteristic curve automatically. through the curving line of working characters analyzing the three - phase asynchronous electrical motor ' s functions and qualities

    系統大大提高了電機試驗的測量精度和數據處理的準確性，減少了試驗勞動強度和試驗時間，特別是根據試驗數據作某些分析時，大大地減少了人為因素對結果存在的影響，實現了計算機全智能化的自動控制，自動化的數據處理和曲線繪制，並能靈活的查詢及列印試驗報表。
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