digital-to-digital data converter 中文意思是什麼

digital-to-digital data converter 解釋
數字數字數據轉換器
  • 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...
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • converter : n. 1. 使轉變[改變信仰]的人。2. 改裝者，改裝品。3. 【冶金】煉鋼爐，吹風轉爐；【電，無】換流器，變壓器；變頻器；【自動化】變換器；密碼翻譯[編制]機。
  1. The analog signals are regulated to satisfy the system and analog - to - digital converter ( adc ) ; dsp is the core part and is connected with adcs, a controller of ethernet, a rs - 485 bus transceiver, a can bus transceiver and a clock. the real - time data is disposed by dsp and is transferred to the upper computer when the alarm is happened

    模擬信號調理模塊對輸入的信號進行調理，以達到系統和模數轉換器（ adc ）采樣的要求; dsp作為系統的核心部件，外擴了adc 、以太網控制器、 rs - 485總線收發器、 can總線收發器和時鐘晶元， dsp對實時數據進行處理，當報警發生時將實時數據通過以太網上傳給上位機。
  2. Secondly, the central processing unit ( cpu ) of the tms320c2812 、 peripheral interrupts 、 analog - to - digital converter ( adc ) and event manager ( ev ) modual are reseached. a real - time data operation system based on dsp platform is designed. single and multi - channel real - time data acquisition experiment. is achieved

    二、研究了tms320f2812dsp的cpu晶元結構、中斷系統、 ad模塊和ev模塊以及dsp集成開發環境ccs2 . 0 ，利用dec2812 ，設計並實現了實時數據採集系統，完成了單通道以及多通道的數據採集實驗。
  3. Only by digital down converter, the data processing work which used to be handled by hardware can be done by software. this paper discusses the realization of digital down converter in detail, the main content is listed as following : 1

    經過數字下變頻處理，中頻信號被下變頻至軟體可以處理的零中頻，是實現用軟體來完成原來需要硬體完成的工作的關鍵。
  4. Digital down - converter ( ddc ) is one of the key technologies used by sdr receiver. the ddc module is a data processing part, following the ad sampler. the main function of ddc is extracting narrow - band data from broad - band data which is digitalized by ad sampler, down - converting these data to base - band, and decreasing data rate as well

    Ddc數字下變頻器技術作為軟體無線電中的核心技術，是緊跟在ad采樣后的一個處理模塊，他的主要功能是從輸入的寬帶高速數字信號中提取所需的窄帶信號，將其下變頻為數字零中頻，並降低數據的速率。
  5. In the digital ultrasonic flaw detectors, backward - wave signal is sampled and changed through the highspeed a / d converter, and we ' ll get a large number of datas. because datas are not all be used to draw testing curve, they must be compacted. lt is necessary to compress so much datas, so data - compaction instrument must be designed and used. here introduces the principle of data - compaction instrument, and designs a exclusive instrument using isp which may change compression point and automatically provide 1024 consecutive addresses of outside data storage unit

    在數字化超聲波探傷中，回波信號經高速a d采樣變換后，會得到大量的採集數據。但在探傷曲線的描繪中並不是用到所有數據，因此要對這些數據進行壓縮處理，這就需要用到數據壓縮器，這里介紹了一種應用在線可編程技術及器件實現對大量采樣數據進行快速壓縮的方法，並設計了一種新型的專用isp數據壓縮器，該壓縮器具有壓縮點數可調，可自動提供1024個連續的外部數據存儲單元的地址等特點。
  6. The characteristics of vfc - type analog to digital converter ( atd ) and successive approximation analog to digital converter are analyzed. the paper disscuss the advantage of mcu integrated adc, select the data acquisition system of the design. 4. this paper utilizes the monolithic silicon integrated circuit performs switch monitoring and switch operation

    在開人、開出迴路設計方面，分析了傳統開人、開出的不足之處，提出了對開人、開出迴路進行改進的創新想法，設計了更為簡潔、可靠的開人、開出電路。
  7. The task of realtime display on lcd and the complicated control arithmetic are implemented in this smps system, and a microcontroller with high resolution, high speed, high integration, large memory is necessary. in this paper, the design theory of s / h ware module which forms the smps control module and the design scheme is discussed in detail. in this system, the digital compute - control module is implemented with samsung ’ s high resolution, high integration, arm core microcontroller s3c44b0 and ad converter with 16bit resolution produced by ad company, ad7705. the ad7705 implements the data acquisition of the voltage and current feedback signal, and transfer the data to microcontroller through spi bus, which is implemented with s3c44b0 ’ s gpio, for computation and display

    本開關電源系統不僅完成lcd的實時顯示，還要完成復雜控制演算法，需要高速度、高精度、高集成度、大存儲空間的微控制器的支持。本文詳細的論述了構成電源控制模塊的各個軟硬體模塊的設計原理和設計方案。本系統提出了以samsung公司的高速度、高集成度的基於arm架構的微控制器s3c44b0與ad公司具有16位解析度的模數轉換器ad7705晶元構成數字採集運算控制模塊。
  8. The clock and data pulsation signals from upper sensor heads can be received using pin diode, then, amplified and inverted in logical control unit for the purpose of cpu operation. hereinafter, the digital signal will be delivered into the central processing unit ( cpu ) for related calculation, and meanwhile transmitted to a d / a converter for signal recovery after filter and phase - shift circuit

    通過採用pin管接收從傳感頭傳遞下來的時鐘脈沖和數據脈沖信號，並將它們放大整形傳送到邏輯控制單元，產生邏輯控制信號，再將數字信號傳送給d / a轉換器，設計了濾波器和移相器電路，還原出了原始的被采樣信號。
  9. Data after ad sampling and digital down converter transfer to computer through pci bus interface, while base - band signal processing may choose cots dsp board or general high - performance pc in term of the need

    Ad采樣、數字下變頻后的數據通過pci介面傳入計算機，基帶處理可視需要選用多種商用dsp處理板，或選用高性能pc機。
  10. Data rate conversion technology for signal is one of the key technologies of wideband digital reconnoitering receiver. it is the feasible scheme to resolve the rate gap between the front end data flow of high speed analog digital converter ( adc ) sampling and the back end digital signal processor ( dsp ) processing

    雙信號數據率轉換技術是寬帶數字偵察接收機關鍵技術之一，是解決寬帶數字接收機中前端高速adc采樣的高速數據流與後端dsp處理速度之間瓶頸問題的可行方案。
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