analog communication system 中文意思是什麼

analog communication system 解釋
模擬通信系統
  • analog : n. ＝ analogue.
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  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 basic elements of a control system using a digital computer consist of the data - gathering devices which perform analog - to - digital conversion on data form the system which is to be controlled ; the digital computer itself, which performs calculations on the data supplied and makes the necessary decisions ; and the means of communication with, or control over, certain of the elements in the external environment

    由在數據上執行模擬數字的轉化的設備形成將被控制的系統的集合數據使用一臺數字的計算機的一個控制系統的基本的元素組成;數字的計算機自己，在供應的數據上它執行計算並且做必需的決定;並且通訊的工具與，或控制上，肯定在外部的環境的元素的。
  3. The structure, function and characteristic with the principle and method of tank gauging system are described. then the structure, principle of the circuit and the main chips of the data processing unit are introduced. after this, the software design of data processing unit including rs - 485 ( modbus ) module, 4 - 20ma analog module, on - off module, rtd module, pulse module, calculation and display module, communication module and neuron chip program module and also the method of resolving the problems which were found at the process of debugging are emphasized

    隨后介紹了現場數據處理器的結構，電路原理，所運用的主要晶元；並重點闡述了作者在課題研究中所作的工作，即現場數據處理器軟體的設計包括八個功能模塊： rs - 485 （ modbus ）模塊、 4 ? 20ma模擬量採集模塊、開關量處理模塊、 rtd信號採集模塊、頻率量採集模塊、計算和顯示模塊、通訊模塊、 neuron晶元中的程序模塊；以及在課題研究和現場調試過程中遇到的問題及解決辦法。
  4. Pll frequency synthesizer is increasingly used in microprocessor systems and communication. with the development of integrated circuits and the emergence of soc ( system on a chip ) technology, it has been a fundamental and very important module in analog and mixed - signal integrated circuits

    鎖相環頻率合成器現在日益廣泛地應用於通訊、微處理器系統中，並且隨著集成電路的發展以及soc技術的出現，其已經成為超大規模集成電路中不可或缺的模塊。
  5. Digital to analog converter, analog integrated filter, bandgap reference and high drive capability operational amplifier are indispensability basic circuit of communication system

    數模轉換器、模擬集成濾波器、基準電壓源和高驅動能力運放等電路是通信系統中不可缺少的基本電路。
  6. The digital signal processing, with its superior performances over the analog processing, has drawn wide attentions in the engineering area provide an idea development mode for electronic reconnaissance system, which is different form the communication system in its wide - band processing

    數字處理比模擬處理有更優越的性能，正受到工程界越來越多的關注。通信領域軟體無線電的成功應用為電子偵察系統的發展提供了一種理想的模式。電子偵察系統與通信系統最大的區別在於寬帶處理。
  7. Aiming at the scheme of the signal electromagnetic environment simulator of the wireless communication system, the mission of this project is to design and realize the conversion of high speed parallel signal to serial signal and conversion of high speed digital signal to analog signal. the signal comes from the v / uhf wave band of the background simulator

    本課題的任務是針對通信信號電磁環境模擬器系統的方案要求，設計實現背景信號模擬器v uhf波段後端高速信號的復接與d a轉換，為后級的頻率綜合器的信號頻譜搬移提供了基本信號。
  8. 2 the electromagnetic compatibility ( emc ) of the new radio induction system is analyzed, this paper studies the affections for the new radio induction system excited by the conductive interference and radiated interference, this paper also studies the affection to the out - space environment excited by the new radio induction system. 3 this paper studies the applications in analog carrier communication for the new radio induction system from the mod - d

    2研究了新型無線感應系統的電磁兼容性，分析了傳導干擾對新型無線感應系統的影響，分析了輻射干擾對新型無線感應系統的影響；分析了新西南交通大學博士研究生學位論文第11頁? ? 3主要從調幅（ am 、 dsb 、 ssb ） 、窄帶調相（ nbpm ） 、窄帶調頻（ nbfm ）等調制解調中研究了新型無線感應系統在模擬載波通信中的應用並進行了模擬，研究了上述調制解調相應的解調增益。
  9. Because hart realizes digital communication in the transmission of analog signals, it has strong competition in this interim period and grows quickly. our country also began to develop control system based on fieldbus in order to break up international monopolization

    其特點是在現有的模擬信號傳輸線上實現數字信號通信，屬于模擬系統向數字系統轉變過程中的過渡產品，因而在當前的過渡時期具有較強的市場競爭能力，得到了較快的發展。
  10. Modern communication system has been switched from analog signals transmission to digital signals transmission

    在現代通信系統中，使用數字信號傳輸的優勢越來越明顯。
  11. Aiming at the need of agility of switching in the data communication system, we design the switching matrix net which used analog switching integrate circuit

    針對數據通信系統中線路自動控制及靈活轉接的需要，設計了採用模擬開關陣列集成電路的級連，來構成交換矩陣網路。
  12. A / d converter ( adc ) is the key device in the interface between analog and digital system, is widely applied in the field of radar, communication, electronic countermeasure, sonar, satellite, missile, control system, earthquake, medicine, instrument, video device, audio device and so on

    A / d轉換器（ adc ）是模擬系統與數字系統介面的關鍵部件，長期以來一直被廣泛應用於雷達、通信、電子對抗、聲納、衛星、導彈、測控系統、地震、醫療、儀器儀表、圖像和音頻等領域。
  13. Study and designed analog and digital impluse generator, guided by the signal integrity analysis finished the hardware pcb design of uwb transiver. finally the transmitter and receiver board has been built and got a satisfaction result. totally speaking, the thesis includes the following parts : ( 1 ) research the wave shape of the uwb communication system

    以高速電路信號完整性分析為指導，採用最優結構完成了超寬帶發射機與接收機pcb電路的設計，本文的研究內容主要包括以下幾個方面: （ 1 ）分析超寬帶通信系統發射機所需信號波形。
  14. Some aspects of the system exhibit the characters. for example the wireless communication module extends the user ’ s movement area and shortens the route of the analog signals

    例如，無線通信模塊擴大了人的活動范圍，模擬信號傳輸的路徑縮短，不僅給用戶帶來方便而且提高了信號的質量。
  15. Surface acoustic wave ( saw ) device is an advanced analog signal processing device by means of acoustic wave character. since saw technologies is applied thirty years ago, saw devices accelerate growth because of their broad use and in the meantime their performance are raised constantly. because its high performance, light weight and good consistency, it is widely used in modern microwave communication and radar system and so on

    聲表面波（ saw ）器件是一種新型的利用聲波特性的模擬信號處理器件。聲表面波技術自誕生至今三十多年來，因其用途廣泛而得到迅速的發展，同時其性能也在不斷地提高。由於saw器件性能優良、重量輕、體積小、一致性好，廣泛地應用於現代微波通信、雷達等系統中。
  16. According to the project of the interfacing experimental apparatus, the hardware circuit of the control system with 89c51 single - chip microcomputer has been designed, which include the circuit from analog signal to digital signals and the circuit from digital signals to analog signals, the drive circuit of the electromagnetism ~ valve and servo - valve, the communication interface circuit between the single - chip microcomputer and pc and so on

    對針對接實驗裝置的方案，設計了基於89c51單片機的控制系統硬體電路，其中包括a d轉換電路、 d a轉換電路、伺服閥驅動電路、電磁閥驅動電路、 pc機與單片機之間通訊的介面電路等，並完成了控制系統硬體電路的調試。
  17. On the aspect of hardware, it refers to the hardware circuit design of the high - speed control card and the analog output card, anti - jamming technology, chip software programming, and hardware upgrade project ; on the aspect of software technology, it relates to the design idea of program frame modularization and using asm96 assembly language to compile system software including main program and communication interrupt service program and controlling output program

    硬體上，內容涵蓋了高速智能控制卡和模擬量輸出介面卡的硬體電路設計、抗干擾技術、晶元控製程序設計和硬體升級方案;軟體上，注重程序結構模塊化，運用asm96宏匯編語言編寫系統程序，包括主程序、通信中斷服務程序、控制輸出程序等。
  18. This paper is based on development of the intelligent communication card and the analog signal input card of mscis interface system

    論文是在研製mscis介面系統的can總線智能通信卡（ ccom ）和模擬量輸入卡（ ai ）基礎上完成的。
  19. In this thesis, firstly, the main protocols and their functions, the application profiles of bluetooth technology are introduced. the hci protocol is analysized emphasesly ; secondly, the 4 - channel 10v analog to digital conversion ( a / d ) bluetooth adapter, 4 - channel 10v digital to analog conversion ( d / a ) bluetooth adapter, rs232 serial port bluetooth adapter are developed. the hardware and software of them are realized and test ; thirdly, the test tool software for bluetooth adapter is designed. the displaying and saving of data with vc + + 6. 0 multithread in pc is completed, then the wireless serial port communication between pc and micro - controller unit ( mcu ) is implemented, the data results of those adapters are acceeded ; finally, the bit - error - rate testing software of bluetooth communication system is designed, and the bit - error - rate test results of bluetooth adapter in labortary are acquired and illustrated also

    其次提出了硬體設計方案:四通道10v模擬/數字（ a / d ）藍牙適配器、四通道10v數字/模擬（ d / a ）藍牙適配器， rs232串口通信藍牙適配器。在此基礎上完成了硬體電路和軟體程序的設計和調試。再次，設計了藍牙適配器測試工具軟體，在pc機上用vc6 . 0 + +多線程編程完成對傳輸數據的保存與顯示，實現了pc機與單片機的串口無線通信，並給出了藍牙適配器測試結果。
  20. As the development of video compress coding, flow media technology and network communication technology, digital video collecting system exhibits strong vitality. it replaces the analog collecting system generally

    近年來，隨著流媒體技術、視頻壓縮編碼技術、網路通訊技術的發展，數字視頻採集系統迅速崛起，逐步地替代現有的模擬採集系統。
分享友人
分享到 Line

分享到臉書