acquisition of signal 中文意思是什麼

acquisition of signal 解釋
信號採集
  • acquisition : n. 1. 取得，獲得；習得。2. 取得物，獲得物[人]。3. 【無線電】探測。
  • of : OF ＝Old French 古法語。
  • 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...
  1. On the choice of sensor, we choose a kind of near sensors, e2k - f10mc1, succeed in signal acquisition of forepart

    在傳感器的選擇上，經過多方比較，採用了e2k - f10mc1 ?接近傳感器，成功地完成了信號的前端採集任務。
  2. The research on acquisition of weak signal in geostationary orbit environments

    高軌環境下微弱導航信號捕獲方法研究
  3. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析，並實時給出次聲重力波的壓力?時間曲線（即p ? t曲線） 。
  4. In hardware designing, the feasibility to use a / d acquisition board, signal conditioning board and the relay output board which are more professional at present to construct the hardware of the computer control system was explored, the algorithm pid was used to advance the respond to error and stability of the whole system, through selecting proper a / d, d / a, di / do board cards, a special computer control system was constructed. in software designing, the language borland c + + was

    在硬體設計上，探索採用目前較為專業化的a / d轉換卡、信號調理板和繼電器輸出板構成計算機控制系統硬體結構的可行性，並採用pid控制以提高系統對誤差的響應和整個系統的穩定性，通過選用適當的a / d 、 d / a 、 di / do等板卡，構成一個很有特色的計算機控制系統。
  5. The fourth chapter : in this chapter, it introduces the hardware designing of the dsp system based on pci bus and states every module of the hardware designing : circuit of signal adjusting, filter circuit of anti - overlap, circuit of data - acquisition automatically, expanding circuit of dsp memory, circuit of voltage matching, interfaces circuit of pci etc. it also includes theoretic basis and procedure of pcb designing

    第四章介紹基於pci總線的dsp系統硬體設計。敘述了硬體設計的各個模塊：信號調理電路、抗混疊濾波電路、自動數據採集電路、 dsp存儲器擴展電路、電平匹配電路、 pci介面電路等，以及pcb設計的理論基礎和設計過程，並給出了設計和調試的結果。
  6. Pile ng examination of the system based on the latest promulgated by the ministry of public security, " motor vehicle drivers license application and management " ( decree 71 ), the two examination subjects ( zhuangkao ), computer images using real - time detection technology and electronic infrared optical interface detection technology, i combine the companies creating two - dimensional moving object identification and tracking software through acquisition of vehicles running state examination pile pole, the signal line, after computer processing, analysis and judgment, the actual realization of the computer monitor screen on the basis of the examination process real - time simulation, tracking examination candidates track and record car line, is set admission, examination results published combines the real modernization zhuangkao tools

    本系統依據公安部最新頒布的《機動車駕駛證申領及管理規定》 （ 71號令）中有關科目二考試（樁考）的規定，採用微機圖象實時檢測處理技術及電子紅外線光界面檢測技術，結合我公司獨創的二維移動物體識別跟蹤軟體，通過採集考試車輛運行狀態、樁桿、庫線等信號，經過微機處理、分析判斷，真正實現了在微機監視屏上根據考試過程實時模擬、跟蹤考生考車軌跡並記錄路線，是集錄取、考試、發表成績為一體的真正的現代化樁考工具。
  7. The last, introduce the scheme of signal acquisition and process device based on master and slave machine

    最後，根據系統聯調暴露的問題提出新的實時方案? ?基於上下位機的信號採集處理機。
  8. 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。
  9. Development of signal acquisition card for inductance sensor based on pci bus

    總線的電感傳感器信號採集卡的研製
  10. In satellite navigation and positioning system, time is important information for fast and direct acquisition of long cycle code, one of its important aspects is the uncertainty compression of signal ' s propagation delay to reduce time search range

    摘要衛星導航定位系統中，輔助長碼快捕的一個最重要的信息是時間信息，衛星信號傳播時延估計是提供先驗時間信息，減少時域搜索范圍的一個重要方面。
  11. In order to reach the requirement of applying for the multi - objective and multi - parameter measuring, we adopt the distributing computer controlling system which the at89c52 single chip was used as core in the system, also the circuit of signal conditioning and data acquisition and processing are all integrated in the system. we use nixie tube to fullfill the displaying function and adopt high - capacity memory to record the data of production process

    同時為適應工廠要求對多目標、多參數進行監測的要求，採用了分散式計算機控制系統，該系統以at89c52單片機為核心，內部集成了信號調理、數據採集與處理、顯示等電路並擴展了大容量存儲器以保存最近幾次生產過程的檢測數據，同時還採用了rs485網路總線技術可以方便的將數據傳輸給上位控制中心。
  12. Validate at large the scheme of hardware system and data. design slave machine - - acquisition process signal board

    詳細論證了系統硬體方案和數據組織方案，設計出了它的下位機? ?信號採集處理板。
  13. In chapter four, the thesis specifies the system ' s hardware construction and realization, including the whole hardware framework, realization of the dsp - based module taking on data acquisition and signal processing, and realization of usb controller

    第四章則詳述了系統硬體構成與實現，包括系統硬體實現框架，並對其中涉及到的技術問題進行了探討。
  14. In this paper, a outer virtual instrument measuring system consisting of signal acquisition unit and software package was developed according to the principle of virtual instrument

    本文應用虛擬儀器的原理，開發出一套經濟實用的外置式虛擬信號測試儀的樣機。
  15. The computer mainly realizes the functions of long - range supervision and management and it includes : real time data communication, running state monitoring, history data save and print, error alarm, etc ; the industry computer system mainly compulish data acquisition and signal setting during the experiment and finish data storage and management ; the plc control system mainly accomplishes the on - off input and output, it accomplishes timing control, checks the status and carries the over - voltage and over - current protection ; except for acquiring experiment data, intelligent control instruments also have the function of errors diagnose and communication

    上位計算機的任務是實現遠程監測和管理，主要進行實時數據通信、運行狀態監視、歷史數據存儲與列印、故障報警等；下位工業控制計算機主要用於實驗數據採集和參數預置； plc控制系統主要完成開關量和部分模擬量的輸入輸出，實現系統運行的時序控制狀態巡檢和過載保護；智能監控儀器除獲取現場參數外，還具有故障之診斷和通信功能。
  16. In this dissertation, the part of signal acquisition of the four fold - frequency subdivision 、 direction - judgment 、 counting and flip - latch of the data which come from the six encorders is investigated in detail

    本文詳細的研究了能夠同時對多路光電編碼器脈沖信號進行細分、計數以及傳輸的數據採集處理系統。
  17. 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。
  18. Mainly the signal processing about the realization of signal data acquisition and real - time imaging, the hardware setting and software programming were presented. next, on the basis of lots of experiments the performance parameters about the resolution and sensitivity of the scanner were discussed. and by adjusting and modifying the system configuration, its resolution reached 5 micron and sensitivity about one fluorescent molecule per square micron.

    重點給出了檢測系統研製中，信號的採集與傳輸的硬體和軟體實現，實現了良好的無損數據採集和實時圖像重建；然後通過採集成像實驗，對掃描儀的性能參數即解析度和靈敏度進行掃描分析，對系統結構加以調整和改進，最終達到了5um解析度和接近1熒光分子um ~ 2的靈敏度指標。
  19. 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。
  20. 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。
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