high speed signal acquisition system 中文意思是什麼

high speed signal acquisition system 解釋
高速數字信號採集系統
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  • 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...
  • acquisition : n. 1. 取得，獲得；習得。2. 取得物，獲得物[人]。3. 【無線電】探測。
  • 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. According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer

    本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。
  2. The measurement system consist of computer, 16 - channel high speed data acquisition board, spark plug pressure sensor, crank angle signal generator, charge amplifier and oscillograph. the max acquisition frequency of this system is 1mhz

    由通用微機、 16通道無相差高速數據採集卡、火花塞式壓力傳感器、角標信號發生器、電荷放大器、示波器組成的高速數據採集系統，最高總采樣頻率為1mhz 。
  3. This system mainly consists of signal generation, high - speed data acquisition, series experimental circuit and corresponding soft

    該系統主要由下面幾個部分組成：數字合成（ dds ）信號源、高速數據採集、系列實驗板以及配套軟體等。
  4. This thesis researches the design and implementation of underwater high - speed multi - channel data acquisition and processing system. there are some contents to be presented including designing a set of noise signal generator ; design and implementation of underwater nosie high - speed multi - channel data acquisition and processing system ; programming the windows 2000 device driver cl pci and usb with ddk2000 ; programming user interface of the control of the acquisition and display of the image with vc + + 6. 0

    本論文對高速多通道採集和處理系統的設計和實現進行了研究，論文的主要研究工作包括：設計一套模擬噪聲源；根據水下目標輻射噪聲的檢測和識別要求進行了高速多通道採集和處理系統的設計和實現研究；完成了相應的pci 、 usbwindows2000驅動程序的開發；使用vc + + 6 . 0編寫了採集控制和波形顯示界面。
  5. This system combines intelligent measuring instrument with eda and asic design technology, computer hardware and software technology, digital signal processing together. the system hardware includes high - speed data acquisition circuits, analogue signal conditioning circuit, a / d conversion ; fpga circuit with controlling and processing functions and pci interfacing

    系統硬體部分主要有模擬信號調理電路和高速a d轉換晶元組成的數字採集電路； fpga組成的控制和數字信號處理電路； pci介面晶元組成的介面電路。
  6. In modern radar system, wide or ultra wide band radar signal is used more widely. accordingly, by using digital signal processing, we need high - speed data acquisition system to get information

    在現代雷達系統中，寬帶雷達信號應用的越來越廣泛，相應地，通過數字信號處理的方法來處理超寬帶雷達信號，需要高速的數據採集系統來提取信息。
  7. The driver of high speed synchro data acquisition device is exploited, it accords with vxi plug & play criterion and ivi criterion. based on these, dynamic signal process system is exploited. the main works of this paper are followed : 1

    開發基於vxi總線的高速同步數據採集卡的驅動程序，要求其符合vpp （ vxiplug & play ）和ivi （ interchangeablevirtualinstrument ）規范；在此基礎上，開發動態信號處理系統。
  8. This paper introduces a method of calibrating and processing angular speed fluctuation in ni sampling system - pxi - 6281, it accomplishes the acquisition of angular speed fluctuation by distortion of signal, analyzing fundamental wave, high order harmonic of angular speed feedback signal and calculating the amplitude ratio of base wave and high order harmonic

    摘要利用ni的pxi - 6281高速數據採集卡來完成角速度波動信號的採集，借鑒信號失真度的概念，分析角速度反饋信號的基波和高次諧波大小，求取高次諧波與基波幅值比，作為角速度波動率。
  9. 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。
  10. This design can provide a high - speed path to a set of sharc parallel array processor. between this parallel processor and an analog signal acquisition module, the designed system can realize real time transmission

    本設計的目的在於為一套sharc并行處理陣列機提供高速的數據通道，使其能與模擬信號採集模塊進行實時的數據傳輸。
  11. The vxibus c - size and i, q channels are employed in this module design, and the sampling rate in each channel reaches 500mhz. the memoty deep of the system is 2mb each channel and cpu is high - speed embedded cpu ( powerpc ). the timing and logic function are fulfilled by fpga. after the disscusion of signal adjusted, the detailed scheme of this module design have been showed. in this design, there is much logic function design, and it is very strict with the hardware language program. so the basic flow of hardware program design and several very important methods of high speed logic function design, which is described by vhdl, are introduced. also, expatiated the inner modules structure of fpga for forepart circuit, the keystone and difficulties of the design. the design of high - speed pcb is another difficuty of realizing high - speed data acquisition system, and it is very important. the timing simulating results of several pivotal modules are depicted. high - speed signal paths are terminated to match the characteristic impedance. the design undergoes integrity analysis and software simulation

    在本模塊的設計中，有著大量的邏輯設計，對硬體語言程序的編寫要求比較高，因此，文中介紹了硬體程序設計的基本流程，以及幾種基於vhdl硬體語言設計在高速邏輯設計中非常重要的方法。同時闡述了本模塊設計的前端fpga的內部模塊結構，設計的重點、難點，並給出了重要模塊的時序模擬結果。高速pcb的設計也是目前實現高速數據採集系統的難點和重點，文中詳細的闡明了高速pcb設計中的注意點，以及作者在設計本模塊時的經驗和心得。
  12. The high - speed data acquisition and processing system requires not only fast and precise digital signal processing ability but also high data transmission bandwidth, or the system ' s real time property will decrease significantly

    高速數據採集處理系統不但要求系統具有高速精確的數字信號處理能力，而且要求系統具有足夠高的數據傳輸帶寬，否則系統的實時性將大大降低。
  13. Daq implements in the field of radar signal processing, digital image processing, virtual instrument, software radio. the data acquisition and processing system based on pci bus and dsp discussed in the article features with plug - and - play and high - speed real - time processing ability

    本文討論的「基於pci總線和dsp的數據採集與處理系統」同時具有pci總線的即插即用性和dsp的高速實時處理能力。
  14. Dsp - based real - time high - speed data acquisition and process system for biomedical signal

    的生物醫學信號高速實時數據採集與處理系統
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