analog-analog a-a 中文意思是什麼

analog-analog a-a 解釋
模擬
  • analog : n. ＝ analogue.
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  1. In addition, a low - pass filter can be employed prior to the digital - to - analog ( d / a ) stage to smooth the stairstep effect resulting from the combination of a low sampling rate and quantization

    另外，在數模轉換（ d / a ）級前用低通濾波器可以平滑因低的抽樣頻率和量化造成的階梯效應。
  2. Led digital multi - parameters instrument in motorcycle is a new digital instrument. it consists of a 4 - ch a / d converter, two microprocessors, a 2 - wire serial eeprom, an optocoupler, led displays and etc. there are two displays : an analog - display, a digital - display. all displays are under the control of the microprocessor

    摩托車用《新型數字式儀表盤設計及關鍵技術研究》項目是一項非常復雜的系統工程，通過設計及關鍵技術的研究需要解決： 1如何用最簡的演算法對車速和發動機轉速在滿足工程需要的精度下進行實時測量？
  3. Finally, the principle of phase - locked - loop for speed control is discussed. the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor. based on the analysis of shortcomings of the analog control system, a digital control system is proposed

    分析了採用鎖相環對電機轉速進行閉環控制的原理；設計了磁懸浮力的模擬控制器並對磁懸浮血泵電機進行了實驗研究；針對模擬控制系統存在的缺點，本文設計了一種數字控制系統。
  4. Each encoder board can encode 4 ways of video and consists of 4 pieces of tw9903, used to implement analog video ’ s a / d transformation, 1 piece of aq424, used to combine four ways of digital video into one, 1 pieces of ime6400, used to encode digital video into mpeg - 4 code

    每個編碼板採用4個tw9903實現4路模擬視頻的a / d轉換， 1個aq424實現數字視頻的四路合成， 1個ime6400實現數字視頻的mpeg - 4壓縮編碼，從而實現4路視頻編碼。
  5. The precision amplifier and sixteen bit analog / digital ( a / d ) convertor ad7677 are used in designing data collection module which can convert range automatically

    選用高性能運算放大器及16位模數轉換器ad7677完成了帶有自動量程轉換的數據採集模塊的設計。
  6. Analog - to - digital a

    類比至數位
  7. Furthermore, the strongly functional programming language labwindows / cvi is well used. the paper is based on the deep analysis of rolling bearing identification technology which is made up of analog instruments. a suit of rolling bearing identification signal virtual instrument has been found with which some representative failure of gb6309 type of rolling bearing on the omnipotent lab desk in testing laboratory have been measured and diagnosed

    本論文在深入分析研究以模擬儀器為基礎的滾動軸承診斷技術的基礎上，應用現代先進的虛擬儀器技術，合理選用傳感器、信號調理器及a / d轉換板等硬體，採用具有強大功能的虛擬儀器編程語言： labwindows / cvi平臺，編寫了一系列功能軟體和軟面板，成功地研製和組建了一套滾動軸承信號識別及工況監測虛擬儀器，並利用所研製的虛擬儀器，在測試實驗室萬能實驗臺上對若干gb6309型號深溝滾動軸承的幾種典型故障進行了實際檢測與診斷，收到了滿意的效果。
  8. Conversion of an analog signal to a digital signal, with steps between specified levels

    利用規定量化間隔，把模擬信號轉化成數字信號。參閱quantization 。
  9. Based on the commonly used integrated circuit designing flow, the digital and analog portions of a lcd ( liquid crystal display ) driving circuit are designed

    根據集成電路常用設計流程，對一種lcd （液晶顯示）驅動電路晶元的數字電路和模擬電路進行設計。
  10. It is very convenient to realize single - channel or multi - channel analog - to - digital ( a / d ) conversion by using caq without utilizing present integrated a / d conversion chip

    利用計數型模擬量，無須使用a / d轉換晶元，即可方便地實現單道或多道模數a / d轉換。
  11. For example, an input sensor may be feeding an accurate analog reading to a signal converter, but a faulty signal converter may be sending the cpu an inappropriate digital signal

    例如，輸入傳感器向信號轉換器輸入一個正確的模擬信號，但是錯誤的信號轉換可能向cpu輸入錯誤的數字信號。
  12. A switch ic for analog signal processing is designed and implemented, which can fulfill the functions of sampling, weighting, controlling and summing of high frequency analog signals. the circuit consists of three parts : four channel analog switches, a voltage reference and the control circuitry. each analog switch is comprised of two high - transconductance n - mosfets with high w / l ratio, which realize the fine tuning and coarse tuning of the input signal respectively

    本文研究並設計了一種可對高頻信號進行取樣、加權、控制、疊加的模擬信號處理丌關集成電路，它包括模擬開關、電壓基準源和移位寄存器三個功能模塊，通過兩個高寬長比的高跨導nmos晶體管實現權值的粗調和微調。
  13. Chapter one introduces the recent development of usb2. 0 and the overall architecture of transceiver interface ; chapter two proposes the design flow and design style ; chapter three presents the whole system and module partition ; chapter four emphasizes on the dual - mode transmitter circuit, and gives out the simulation waveforms ; chapter five focuses on the design of over - sampling receiver and dll ( delay locked loop ) module ; chapter six designs the band - gap reference circuit. in the end, it concludes the design, and estimates the trend of usb. the dissertation is emphasized on dual - mode transmitter architecture, implementation of high speed dll using dba ( digital - based analog ) technology and a new design methodology for complex digital modules in mixed - signal circuit

    本文第一章介紹了usb2 . 0的發展現狀和收發器介面晶元系統；第二章介紹了該晶元的設計流程和風格；第三章介紹了該介面晶元的總體構架以及模塊劃分；第四章著重介紹雙模發送器電路設計並給出了模擬驗證波形；接下來第五章分析了過采樣接收器的設計並對其中的dll （ delaylockedloop ）模塊設計進行了詳細的分析；第六章介紹了本晶元內置的基準電壓源的設計；最後對本文的設計一個總的回顧和總結，並展望下一代usb的發展方向。
  14. The measure methods have developed from the impact method to automatic - manual measure method that is central made of analog integrator and the computer automation measurement system that is central made of analog integrator, a / d > data acquisition

    對于磁化特性的測量已經由經典的沖擊電流計法發展到以模擬電子積分器為主要單元的半自動測量系統和以模擬電子積分、 a d轉換、數據採集為主要單元的計算機控制的自動測量系統。
  15. High performance digital - to - analog ( d / a ) converters find applications in the areas of video and wireless communications, such as hdtv and gsm. so, it is useful to make a careful study of high - speed dac

    無線通訊和視頻領域，尤其是比較熱門的比如hdtv和gsm ，對高性能高速dac的要求更加迫切，所以針對高速dac的研究是必要的。
  16. This type of authentication can be seen as a digital analog to having a physical token

    這種類型的認證可以視為對物理標記的數字模擬。
  17. At first, this paper presents the basic conception and technique of the fault diagnosis of analog circuits. with a detailed presentation of its characteristic, it gives the difficulties and the development trend, and then discusses the general diagnosis method and pattern identification technique

    本文從模擬電路故障診斷的基本概念和方法出發，在詳細介紹模擬電路故障診斷特點的基礎上，指出了模擬電路故障診斷的難點和發展趨勢，然後論述了常規的診斷方法的原理及特點，對故障診斷模式識別技術也作了一定的介紹。
  18. Pcm is a important method used to convert an analog signal into a digital one

    Pcm是用以將模擬信號轉換成數字信號的一種重要方法。
  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. The typical design gets the technical parameters from digital filters that should be designed, and then transformed into the analog parameters of a low - pass analog filter prototype. the prototype is converted into the analog low - pass, high - pass, band - pass and the band - stop filters respectively, which are transformed into the digital ones

    典型設計是先按一定規則將給出的數字濾波器的技術指標轉換成模擬低通濾波器的技術指標，據此產生模擬濾波器原型，然後把模擬低通濾波器原型轉換成模擬低通、高通、帶通、帶阻濾波器，最後再把模擬濾波器轉換成數字濾波器。
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