signal of communication 中文意思是什麼

signal of communication 解釋
通信信號
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • of : OF ＝Old French 古法語。
  • 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。
  1. The hardware of the ip phone codec to be designed is based on the fixed point digital signal processor ( ti ' s tms320vc5410 ) while the compression and decompression core in the software of dsp is based on the itu - t vg. 729a. ip phone codec carryout the task of collecting / playing - back. coding / decoding of speech signal and communication with embedded cpu. etc

    該語音編解碼器的硬體基於tms320vc5410 ，編解碼演算法遵循itu - tg . 729a協議，能夠實現語音信號的採集/回放、編碼/解碼以及同嵌入式cpu通信等功能，在8kbit / s的碼率下能夠提供獲得良好的語音質量。
  2. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  3. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  4. And the solutions of the three problems above are discussed : the solution to the simulcast interfering which is caused by the simulcast delay spread ( sds ) and the zero - beating is given in chapter four. based on the well understanding of the principle of ms - i / h / 0 in ipnp, the examples are given in chapter five on how to solve the problem of communication interruption between paging zones. through the analyse of signal switching between chengdu and deyang, the synchronization error between flex frames, and the bug in the multi - frequency roaming principle are pointed out

    通過以上分析，文章探討了對上述三個問題的解決： ?對同播干擾問題，分別分析了時延差和零拍頻所造成同播干擾的客觀存在，探討了系統設計和網路優化的基本方法； ?對ipnp聯網障礙，提出了在掌握ipnp對各pncc作為輸入局歸屬局?輸出局（ ms ? i h o ）的靈活定義、以及相關參數配置原理的基礎上，分析聯網障礙的思路； ?對信號切換障礙，以成都和德陽兩地的局部廣域覆蓋為例，分析了flex幀失步和flex多頻漫遊原理設計缺陷的客觀存在，並探討了相關的解決方法和建議。
  5. In other way, the telephone line expander which has many characteristics just as the little of declination, the far distance of communication, the convenience of using and protecting can transmit tone signal directly and is suitable for the performance of telephone line

    同時，電話線路擴容器直接傳輸音頻信號，適合電話線路特性，具備衰耗及串音小，通話質量好和通信距離遠，使用及維護簡便等優點，具有廣泛的應用前景和使用價值。
  6. As the requirements of its function, a bus control interface board has already been designed. also the paper have provided the scenarios demonstration for the bus control interface board ( bcib ), the design for the protocol of communication, the hardware for bcib, the software for bcib, and the software for the processor ' s communication. while the analysis for the capability of real - time and the calibration and test for subsystem have been also finished. during the design, the system advanced ability, reliability, resources availability and the cost - efficency ratio are considered. the issus such as system integrated control, mutual exclusion of the shared storages, generation of handshaking signal and system self - test were resolved

    本論文主要對航空自衛系統的綜合化方式進行了深入研究，並按其功能等方面要求，對航空自衛系統綜合化總線通信模塊進行了設計，主要完成了總線通信模塊方案論證、通訊協議設計、總線通信模塊硬體設計、總線通信模塊（ bcib ）軟體設計、處理機通信軟體設計、實時性分析、系統調試、試驗等項工作，在設計過程中，綜合考慮了系統先進性、資源利用率、費效比及可靠性等因素；重點解決了系統綜合控制方式、共享存儲器互斥、握手信號產生及系統自檢測等問題。
  7. Up to now, the technique of digital signal processing has become a new technique field and a independent subject. using special or general digital signal processor ( dsp ) to analyze, distill, transform signal in communication area has been rapidly developped and widely applied

    當今，數字信號處理技術已經發展成為一門新的技術領域和獨立的學科體系，利用專用或通用的數字信號處理器以數字運算的方式對信號進行分析、提取、變換等處理在通信領域已經得到迅速的發展和廣泛的應用。
  8. 3. studying still image transmission systems without channel coding or with turbo codes over both awgn and rayleigh fading channels by matlab simulation. simulation results show that turbo codes not only advance the dependability of communication systems, but also reduce channel signal - to - noise ratio ( snr )

    將turbo碼應用於靜止圖像傳輸系統，信源編碼採用矢量量化編碼，分別在awgn通道和rayleigh衰落通道下，對不採用通道編碼和採用turbo碼作為通道編碼的各種情況進行模擬。
  9. The simulation result shows that this technology can reconstruct signal and erase intersymbol interference, so that the performance of communication system is improved

    模擬結果表明，它可以使信號實現重構，消除碼間干擾，提高通信系統的性能。
  10. Secondly, the author put forward a layered - structure simulation training model on the basis of the characters of the idr / ibs satellite communication system, and the demand of communication service training. the design is based on object - oriented technology and the thought that the signal float interlinks all system devices. the author analyzed each equipment and put forward the implementation method, and designed an all - purpose simulation platform

    然後根據idr ibs衛星通信的特點及其通信業務訓練的要求，提出了層次化結構的模擬訓練模型，並根據面向對象的思想和信號流構成系統各設備間聯系的思想來開發模擬訓練模型；設計了各組成設備的對象模型和實現方法；設計了通用的模擬訓練平臺及排障訓練子系統、測試訓練子系統、考核訓練子系統。
  11. Then we use lifting scheme improve wavelet analysis methods and proposed a kind of digital watermark algorithm based on error - correcting coded which is a method of communication theory and is to correct watermark signal

    然後在這一水印演算法的基礎上，使用小波提升技術來改進小波分析方法，再使用通信理論中的糾錯編碼方法對水印信號進行糾錯控制，並提出了一種基於糾錯編碼的數字水印演算法。
  12. The hardware of system is used sensor and signal conditioning circuit to collect the signal and communication with the computer using the pci2013. for the undulation of temperature and driven current will influence the testing result, they need to be invariableness during testing

    系統硬體以傳感器和相應的信號調理電路作為前向通道拾取被測信號，利用基於pci高速總線的pci2013數據採集卡和串口模塊實現與計算機的數據傳輸和命令通訊。
  13. In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display

    該裝置具有三個特點：一是採用表面式測溫方法，有效地減少了元件的維護與損耗；二是採用工業控制計算機及信息就地採集、數據總線傳輸的方式，充分利用計算機和數據自動採集方面的技術，實現各種參數的在線測量，監測指標全面，能與dcs系統聯用，具有技術先進性和一定的前瞻性；三是採用顯示器配工業觸摸屏的顯示方式，為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來，有效地幫助、指導運行人員進行燃燒調整，對于鍋爐和機組的安全、經濟運行發揮了重要作用。
  14. These sensor are increment rotary encoder ~ absolute rotary encoder and resolver transmitter, at the same time, design and make signal disposal ii - 1 circuit for three sensor, the function of signal disposal circuit is not only disposing signal of sensor, but also collecting data from sensor via microprocessor and sending these data to pc via serial communication. the pc receives these data and displays the working status of experiment bench via virtual instrument software

    並製作了三種傳感器的信號處理電路，信號處理電路除了完成對傳感器信號的處理，還通過微處理器採集傳感器的信息，並通過串列通訊將這些信息送于上位監視計算機，上位監視計算機接收這些信息，並通過虛擬儀器軟體顯示系統的工作狀況。
  15. With the development of communication technology, the communication signal environment is getting more and more complex. fh ( frequency hopping ) signal is used widely in the battlefield, and direction finding becomes an important method to get communication information

    隨著通信技術的迅速發展，跳頻、直擴等信號在軍事領域獲得廣泛應用，測向成為情報獲取的主要手段之一。
  16. The use of chaos in signal processing, communication and control has been a very active area of research in recent years. since chaos is a deterministic complex phenomenon, it opens up a new field for signal processing. this dissertation focuses on developing efficient algorithm for signal detection, parameter estimation of radar and also on radar signal generator

    本文研究屬于基於混沌的應用研究，主要從雷達信號檢測、參數估計、波形設計和圖像處理的數字水印四個方面較全面地討論了混沌理論及相關技術在信號處理系統中應用的可能性，探討了相應的信號處理演算法和實現過程。
  17. The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user

    本文工作的主要成果是： 1 ）將超聲波技術引入零件表面硬度的檢測當中。應用機、電、計算機技術，研製成功較為實用的小型智能超聲波硬度檢測儀2 ）採用lcd （ liquidcrystaldisplay ）液晶顯示，使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 ）在理論上建立了該系統的頻率信號與硬度值的數學模型，具有非常重要的實踐意義4 ）對各元器件進行優選，達到低能耗、體積小、重量輕、價格便宜等目的5 ）採取措施降低整個系統的能耗並對系統的供電進行了合理的管理，使其進一步達到低能耗，延長了電池的使用壽命。 6 ）利用rs - 232標準介面，討論了該超聲波智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景
  18. In this paper, the principle of spread sequence communication and all kind of the current multi - user detection techniques and the independent component analysis ( ica ) algorithm are respectively analyzed completely in chapter ii, chapter iii and chapter iv. based on the statistical feature of multi - user signal that the signal of every user ' s and every channel is statistical independent with each other and take the same distribution, the mathematical model of the received multi - user signal is fully researched, then the blind signal detection algorithm is introduced into the multi - user signal detection, two new algorithms of multi - user detection are proposed : multi - user detection based on the delay estimation of downlink using ica in ds - cdma and based on ica post processing matched filter multi - user detection

    本文比較全面的從第二章到第四章分別介紹了cdma擴頻通信的原理和現有的各種多用戶檢測技術以及獨立分量分析（ ica : independentcomponentanalysis ）這種盲源分離演算法，並在此基礎上，從多用戶信號的統計獨立同分佈的統計特徵出發，分析研究了cdma通信中多用戶信號的數學模型，將盲源分離技術應用到多用戶信號檢測當中來，提出了兩種盲多用戶檢測的策略：基於獨立分量分析的下行鏈路延遲估計的多用戶檢測演算法；基於獨立分量分析后處理的匹配濾波多用戶檢測。
  19. In this module, we focus on an improved 2 - d median - filter and a real time edge detect algorithm which has very regular computational structure. in chapter 4, we use fpga to capture the image data from infrared sensor and create the synchronization signal and output the video to monitor. chapter 5 describes the design of communication interface between dsp, fpga and missile control system, and focus on a new verilog description style called cycle accurate, and finally we design an i2c bus using this description style

    本論文按照處理機的工作流程，首先討論fpga與視頻探測器之間的數據通訊模塊的設計，接著介紹了圖像預處理模塊，在預處理模塊中，重點介紹了一種改進的二維中值濾波方法和一種特別適于硬體實現的邊緣檢測演算法;在第四章，討論了用fpga實現圖像獲取和模擬視頻輸出;第五章，討論了fpga與dsp之間以及fpga與彈上機之間的通訊模塊的設計，接著重點研究了一種新的verilog語言的描述風格，並用此寫法在上fpga實現對外圍設備的初始化模塊;最後，對本文所做的工作進行了總結。
  20. In recent years, the research of image coding method has become one of the most active fields in information technology by way of the imp of communication, medium store, multimedia computer technology, etc. especially in 21st century, with the development of electronic and communicate technology, it is possible to realize the video telephone, meeting tv, signal tv, information high way and etc. on this occasion, it inevitably becomes one of the main tasks to seek after the effective image coding method

    作為通信、介質存貯、數據發行、多媒體計算機等技術的關鍵環節，圖像壓縮編碼演算法的研究是信息技術中最活躍的研究領域之一，尤其是進入21世紀以後，電子技術和通信技術的發展使可視電話、會議電視、數字電視、高清晰度電視、多媒體計算機、信息高速公路等的生產和建立成為可能。在這一背景下，探索高效圖像壓縮編碼演算法無疑將成為主要任務之一，對其研究也將成為國際公認的熱點之一。
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