daq 中文意思是什麼

daq 解釋
採集卡
  1. High speed daq - based inductance measurement system

    基於高速數據採集卡的電感測量系統
  2. The hardware uses a industry control computer based on pci bus, a signal converter and daq ( date acquisition card to develop )

    硬體方面採用pci總線工控機、數據採集卡、信號調理器。
  3. First the paper introduces the composition of vxi measurement system both hardware and software. second the paper introduces the amc2320 8 - channel parallel daq module, including hardware components, drive functions and means to develop application programs with them, the specifications such as precision

    本文介紹了vxi總線測試系統的軟硬體組成,簡要說明了amc2320八通道并行數據採集模塊的硬體組成和驅動函數,以及用戶如何利用廠家提供的驅動函數編寫自己的應用程序,重點是測試這個模塊的性能指標,包括精度、輸入信號的頻率范圍。
  4. In this article, the shp measure system based on the hardware of pci - 9114 ( daq ) and coordinator u511 is developed in vc + +. this system is good at getting the pressure data in the space mesh and processing it into velocity, total and static pressures and the field picture

    本文通過vc + +開發了數據採集和處理一體化的基於pci - 9114數據採集卡和u511坐標控制器的七孔探針測試系統,該系統能自動採集空間網格點上的壓力數據,然後處理成所需的速度和總靜壓數據,並完成初步的流場繪圖。
  5. I provide three chapters to show the details about how to design and develop the hardware, firmware and host software of the usb device, which is one of the most important devices in the daq system based in usb & dsp

    它共分三章分別對dsp系統中usb設備的硬體,固件及usb的主機驅動介面進行了描述並提供了相應的解決方法。
  6. Its principle is as following : acquire and modulate the analog signals from sensors placed in environments through daq device on real time, then transit the information to computers by pci bus ; in the other hand, noise information tested with sound level meter is passed through interface rs - 232 to computers

    本系統工作原理為:通過多功能數據採集卡採集來自各種傳感器所採集的各檢測對象的模擬信號,對信號進行調理,通過pci系統總線傳遞給計算機;而噪聲則通過聲級計由rs - 232傳入計算機。
  7. 2. virtual technology in this section, firstly, introduce virtual instrument development and analyze the main principles in tractor testing projects ( including shaft mass, left - and - right side trigging forces, smoke density, noise and velocity ). secondly, propose a general design combined multifunction data acquisition devices ( daq ) with lab view diagram language

    ( 2 )虛擬儀器技術介紹了虛擬儀器的發展特點,分析了拖拉機主要的檢測項目(軸重、左右制動力、煙度、噪聲、速度)的檢測原理和手段,提出一套基於多功能數據採集卡daq和圖形化編程語言labview的虛擬儀器構建方案。
  8. The trigger electronic module consists of 3 discriminators and a coincidence unit which performs a 2 - out - of - 3 logic gate. hence either 2 detectors or 3 detectors receiving cosmic ray signal will trigger daq

    觸發電路模組由三個鑒別器和一個與門電路組成。當有兩塊或以上的探測器同時產生訊號,該電路便會觸發數據收集。
  9. This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc

    本文根據系統溫度靈敏度、角解析度、成像時間等參數要求,對系統天線類型、直徑,接收機類型、積分時間、射頻增益、視頻放大器增益,定標方式,數據採集卡的采樣頻率、編程及驅動裝置的掃描速度、掃描類型等進行了詳細的分析設計。
  10. At last, the paper describes the digital oscilloscope and signal analyzer which developed with the daq module in details. they can analyze the received data from the daq, then display the input signals and the analyzed results in the soft panels

    最後,本文詳細介紹了利用這個數據採集模塊自行開發的虛擬儀器? ?數字示波器和信號分析儀,它們對來自數據採集模塊的信號進行分析,並把信號和分析的結果顯示在軟面板上。
  11. The complex data operation left in the daq system can be done by dsp, which provide a strong ability in data processing

    而dsp技術提供了處理復雜運算的能力,能夠滿足復雜工業環境所要求的大量運算,它們的結合提供了一種新型的系統方案。
  12. It was demonstrated that this sort of load - control apparatus has superior performance. we used a electric transmitter as the transducer to collect the sound signal, using the daq toolbox of the matlab to achieve the collection of the sound signal, and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal, chiefly analyze its short - time average amplitude, its short - time over - zero ratio and its estimate of the power chart and the average - period chart

    實驗中使用了駐極體話筒作為球磨機聲音拾取傳感器,利用matlab中的數據採集( daq )工具箱實現對磨音的採集,利用matlab信號分析( dsp )工具箱和聲發射技術對磨音進行時域和頻域分析,主要分析磨音的短時平均幅度和能量、短時平均過零率、功率譜估計和平均周期圖。
  13. We achieve the voltage data acquisition with the daq card pci - 9820 that made up with adlink. this card has 14 bits resolution, 60m / s sampling rate. the software of the card we design using graphical language labview and c + +

    我們用凌華( adlink )生產的pci - 9820數據採集卡進行電壓信號採集,該卡具有14位解析度, 60m / s的高采樣率。
  14. The hardware of system is the data acquisition equipment ( daq ), daq includes three main functional modules : fpga, analog sampling and lcd controlling

    系統的硬體部分是數據採集卡,數據採集卡在功能上分為fpga ,模擬采樣和液晶驅動及控制三個組成部分。
  15. This thesis regards virtual instrument technology of pc - daq bus as the theoretical foundation, use the similar principle simulation real car operating mode, pneumatic to control and combine together with electro - mechanical integration technology, develop and manufacture this set to apply the pneumatic brake valve spare part performance tests the system synthetically

    本論文以pc - daq總線的虛擬儀器技術為理論基礎,應用相似原理模擬,實車工況,將氣動控制與機電一體化技術相結合,開發研製出了這套氣制動閥類零部件性能綜合測試系統。
  16. In the design of software, we adopted virtual instrument, and selected pci - 1200 as the daq card

    本文軟體系統的設計採用虛擬儀器開發環境,具有良好的可操作性和直觀性。
  17. Usually only select states are available and output feedback is used. it is shown that output feedback, while not as effective as full state feedback, is still able to damp vibration. thirdly, virtual vibration measurement and control instrument is developed using lab view and homemade daq, then experiments are performed to validate the conclusion of analysis results

    最後,為了驗證在理論分析和數值模擬中得到的結論,利用虛擬儀器軟體labview和國產數據採集板開發了虛擬振動測控平臺,然後對附加主被動混合阻尼的懸臂梁結構,實現了結構振動控制,實驗結果表明主被動阻尼分離結構對低階模態振動具有更顯著的控制效果。
  18. It introduces that high - frequency data acquisition method bases on the common gpib bus. to data acquisition based on pc - daq, it makes theoretical analysis in signal - processing grounded signal source and measurement, data acquisition principle. avoiding pseudo - signal and multi data acquisition etc. .

    一個完整的基於gpib總線介面系統主要由帶gpib介面的測試設備、 gpib卡以及電纜和計算機組成。在本章中介紹了基於gpib介面總線的特點,著重說明了gpib總線介面系統的原理和方法並給出了源代碼。
  19. The virtual oscillograph to measure voltage is brought into the system. its daq board is based on epp and 8051 is used as the controller

    本系統集成了虛擬儀器完成電壓測量,製作了基於增強并行口epp 、以8051為控制核心完成量程自動轉換的數據採集板。
  20. The principle of this system is : use daq card to acquire physical analog and digital data coming from couples of sensors, appropriately process the data, then transmit it to computer by pci bus, after the data is dealt with by the software of system, the report will be displayed and printed

    本系統工作原理為:通過多功能數據採集卡採集來自各種傳感器所採集的物理世界的模擬、數字信號,對信號進行適當的處理后,通過pci系統總線傳遞給計算機,由系統的軟體部分對採集來信號進行數據處理,然而進行報表的列印和顯示輸入。
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