digital to analog 中文意思是什麼

digital to analog 解釋
數模
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • analog : n. ＝ analogue.
  1. Ramdac random access memory digital to analog converter

    隨機存儲器數模轉換器
  2. 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。
  3. 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。
  4. Hybrid integrated circuits detail specification for type hda030 linear 12 bit digital to analog converter

    混合集成電路. hda030型線性12位數字模擬轉換器詳細規范
  5. Another kind of converter, called " digital - to - analog " ( dac ), converts binary numbers ( i. e., digital sound representation ) into analog signals in order to play the sound

    另外一種轉換器叫「數字模擬轉換器」 （ dac ） ，它是將二進制數字（即以數字的形式呈現的聲音）轉換為模擬信號以進行聲音回放。
  6. Dac - digital to analog converter

    模擬數字信號轉換器
  7. Digital to analog d conversion

    數模變換
  8. Digital to analog conversion

    數模變換
  9. The hardware designing include the interface with engine controller, such as d / a conversion. we chose the ad75089 which was produced by ad corp. this is a parallel port digital to analog conversion, and i give the presentation about its structure and connection scheme. in order to resolve the contradiction between faster computation and slower display, a buffer storage also needed

    第二部分詳細陳述了高速數據傳輸卡的軟、硬體設計過程，硬體設計包括dsp與pci總線的介面、 dsp與外部控制器的介面、以及電路卡上的擴展數據緩沖區的設計，並使用專門的工具軟體protel繪出全部硬體電路的設計原理圖。
  10. The significant investigation result of this paper are as follows : in the first chapter, we firstly introduce the basic concept and important electrical characteristics of digital to analog converter and bandgap reference, review the historical progress of electric filters, summarize the methodologies and implementing techniques of filters, and then analyze the practical circuits realization of filters and unrealistic impact factors on performance of filters, finally, we set forth significance of this studying problem and main research work of this paper

    並將其成功地應用於通信集成電路上，取得了令人滿意的實際應用成果。本文的主要研究成果如下：第一章：首先介紹了數模轉換器的基本概念及其關鍵特性指標，接著綜述了模擬集成濾波器的發展簡史、設計方法和實現技術。然後分析了濾波器實際電路實現及其非理想因素對其性能的影響，闡述了本課題的研究意義以及本文所做的主要研究工作。
  11. In this thesis, the technology of analog to digital converter ( adc ) and digital to analog converter ( dac ) were reviewed in detail from the perspectives of the modern electronic technology applications, including principles, comparison of characteristics, main technical indicators and applications

    摘要本文從現代電子技術應用角度出發，介紹模數和數模轉換器的技術，包括工作原理、特性的對比、主要技術指標及發展應用。
  12. For the purpose of testing the function of extended ports, digital - to - analog conversion and analog - to - digital conversion, an auxiliary experiment board is made, it includes analog signal outputs, switch signal outputs, led circuit, eight - segment nixie tubes and a digital - to - analog conversion circuit

    為了驗證擴展口、 a d轉換和d a功能，還自己製作一個包括8路模擬量輸入、開關量輸入、 8路led 、 4個數碼管和d a轉換電路輔助電路板。
  13. At the time of researching the principle of parallel - to - serial convert and digital - to - analog convert, this article analyzes characteristics of the high speed circuit, the problem of the circuit and the resolvent of the problem

    本文在研究高速數據復接與d a轉換基本原理的同時，分析了高速電路的特點、存在的問題以及解決措施。
  14. The digital upward frequency conversion is the key element of the waveform synthesis. at the same time, basic theoretical analysis and optimum design are done for pci bus slave interface, fifo, transmit signal processor, digital - to - analog converter and logic control

    本文對波形合成技術的核心? ?數字上變頻進行了深入細致的研究和介紹，同時對波形合成器中的pci總線介面、先進先出緩沖器、發射信號處理、數模轉換及邏輯控制等部分進行了分析和優化設計，給出了最佳設計方案。
  15. The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms

    直接數字頻率合成器是一種全數字化的頻率合成器，由相位累加器、波形rom 、 d a轉換器和低通濾波器構成， dds技術具有頻率解析度高、頻率切換速度快、頻率切換時相位連續、輸出相位噪聲低和可以產生任意波形等優點。
  16. The data decoding system entails several subsystems : demodulator, error detection and correction ( edc ), demultiplexor, and digital - to - analog converters

    數據解碼系統需要幾個子系統：解調器、誤碼探測和糾正、信號分離器、和數字模擬轉換器。
  17. To obtain a high resolution cmos current - steering digital - to - analog conveter, the matching behavior of the current source transistors is one of the key issues in the design

    在高速高精度電流型dac的設計中，電流源晶體管的匹配問題是設計的關鍵。
  18. 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。
  19. Coverage ranges from thermal properties and semiconductor materials to mosfets, digital logic families, memory devices, microprocessors, digital - to - analog and analog - to - digital converters, digital filters, and multichip module technology

    覆蓋范圍從熱性能和半導體材料的mosfet ，數字邏輯家庭，記憶體裝置，微處理器，數位類比和模擬到數字轉換器，數字濾波器，以及多晶元組件技術。
  20. 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。
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