signal data processing system 中文意思是什麼

signal data processing system 解釋
信號數據處理系統
  • 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...
  • 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...
  • 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. At first, environment detection data is collected, modulated and emitted in the the system of fy - 2 and detectors. then data signal is magnified, demodulated and sent in the earth - based system of data receiving and demodulating. at last, data is received, processed, stored, displayed and judged to make alarm automatically by telephone for solar proton - events and x - ray flare in the system of data processing and alerting

    首先在fy - 2衛星及探測器系統中,環境探測數據被收集、調制並發射,接著由地基數據接收及解調系統將數據信號放大、解調還原並發送,最後由數據處理及警報系統將數據接收處理、保存顯示並對太陽質子事件、 x耀斑進行自動電話報警。
  2. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  3. On the basis of vvvf theory the electric control system of test rigs is designed, which includes design of main electro - circuit, vvvf control system, plc control system, computer system of collecting signal and data processing and so on

    在變頻調速控制理論基礎上設計了試驗臺的電氣控制系統,包括主電路設計、變頻調速控制系統、 plc控制系統和計算機的信號採集和數據處理系統等。
  4. On top of its conventional activities of signal magnification, reshaping, filtering, sampling, a / d transformation and scale switching, the intelligent sensor system can perform kinds of advanced operations such as on - line storage of parameters, real - time data processing, self - diagnosing of the system and so on. because of its communication interface with pcs, it serves as intelligent plug & play network sensor

    它除了能完成對傳感敏感器件的信號進行放大、整形、濾波、采樣、 a d變換及標度變換外,還可實現參數在線存儲、數據實時處理、系統自我診斷等功能,並可以通過其通訊介面與溫室現場總線相接,組成即插即拔的智能網路傳感節點。
  5. In the experiment, the self - - noise samp1ing system is composed in both of high speed signal processing system and sold state hard - - disk, the underwater vehic1es moves in high and lower ve1oci ty in the lake and the noise data sampling are get using this samp1 ing system

    在本研究課題中,採用了高速信號處理機技術和固態盤存儲技術構造了自噪聲採集系統,並在湖上實驗中採集到了航行體高速和低速兩種狀態下的自噪聲數據。
  6. The system accomplishes ultrasonic pulse transmitting and receiving, signal amplitude adaptive adjusting, data acquiring, echo searching, data processing and analyzing. different algorithms for echo searching, filtering and time difference measuring are proposed based on the thorough analysis of ultrasonic echo signal

    研製的超聲波液壓測量系統由超聲波探頭、超聲波收發系統、高速數據採集系統和計算機構成,實現了超聲波信號的發射、接收、自動增益控制、數據採集、自動搜索回波、數據處理、分析等功能。
  7. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。
  8. 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。
  9. Firstly, itis explained that the application research of smart layer. to laod detecting and simulative damage for the model of wing - box, fbg fiber smart layer and pzt smart layer are designed, and manufactured. so, those are surface - mounted respectively on the stiffened skin of aluminum alloy and carbon fiber reinforced. data acquisition system based on different signal processing technique are designed

    針對機翼盒段試件結構載荷識別和模擬損傷監測的功能要求,結合智能夾層的設計製作工藝,設計製作了基於fbg傳感器的光纖和壓電兩種智能夾層,並分別安裝在機翼盒段試件上的鋁合金和碳纖維制蒙皮上。
  10. Underwater data communication system s synchronization signal processing

    水聲數據傳輸系統中的同步信號處理
  11. The data sampling & processing system, including the real - time testing system and the postmortem processing system, tests the geometrical and the electrical parameters of the catenary system through microcomputer. in real - time testing system, the signal of the testing sensors is sampled and saved

    該系統包括實時數據採集系統和事後數據處理系統兩部分:實時數據採集系統對傳感器信號進行采樣、變送,對檢測數據分析、存儲;事後數據處理系統對實時檢測中存儲下來的數據做進一步處理。
  12. Because the general signal processing system based on pci bus making use of advantages of the dsp and pci bus, can meet the high level demands of the radar signal processing and data transfer ability, so it ’ s application in radar system are developed rapidly

    基於pci總線的通用信號處理機能夠充分發揮數字信號處理器和pci總線的優勢,滿足雷達信號實時處理、傳輸的要求,在現代雷達信號處理中得到廣泛應用。
  13. 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。
  14. Then, this system software has been programmed by c language. we use the scan way to attain the signal acquisition and data processing and acoustic - optic alarming function in the monitoring parts

    然後,本文採用c語言,以循環掃描方式為核心編制了監控系統的全部軟體,在監測部分實現了對各熱工參數信號的採集
  15. Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability

    本文結合有限元模擬和實驗方法,研究了改進遠場渦流技術性能的幾種方法,即:採用電磁屏蔽、磁路進行傳感器優化設計以縮短探頭長度、增大信號強度;改進信號調理電路以提高細微缺陷檢出能力;利用同態濾波、小波變換以及誤差修正等數字信號處理技術確保檢測結果的可靠性。
  16. 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。
  17. The slag detection system and the pc with such a software system are combined to make a more powerful one, which can implement the real - time data processing functions in continuous casting product, including the display of the real - time slag signal, the storage of the data obtained in the process of the product, the inquiry of the bypast signal data and their printout. the new system has been tested on the continuous caster with loot ladles and the prospective results obtained

    同時,設計實現了檢測儀器和微機之間的介面電路,將下渣檢測儀器和數據記錄軟體組成一個更大的系統,從而實現了連鑄生產線的實時數據處理,包括實時曲線顯示、大容量數據的存儲、歷史數據的查詢、列印等功能,並已在連鑄生產線的現場測試運行,取得了初步的成功。
  18. Because of a large number of data processing to carry out, tms320c5402 dsp, electromagnetic ultrasonic transducer, oscillatory source circuit, receive signal disposal circuit, a / d, sram, flash memory and display circuit are selected to design the prototype of a machine of the real - time measurement system

    由於要進行大量的數據處理,硬體電路採用了ti公司的tms320c5402dsp作為核心處理器件,輔以電磁超聲換能器、激勵源電路、接收信號調理電路、 a d 、 sram 、 flashmemory及顯示電路,設計出實時檢測系統的樣機。
  19. The system is composed of inverse - fourier - transform system, optic fiber sensor and high sensitivity ccd. its software system of signal acquisition and data processing used the platform of virtual instrument labview. we tested system stability and investigated latex particle size from 32nm to 123nm, several phenomenon below have been found : ( 1 ) the experiment result is consistent with the theoretical arithmetic result of the relation between particle size and normalization light scattering energy at the position of 7 ? and 35 ? angle

    組建了包括反傅立葉變換系統、光纖傳感器以及高靈敏度ccd的大角度側向光散射信號探測系統,設計了基於虛擬儀器labview平臺的信號採集和數據處理軟體,對系統穩定性和顆粒尺寸從32納米- 123納米的微乳液顆粒球進行了測試研究,發現以下現象: ( 1 )在與光軸成7和35夾角的位置,歸一化的散射光能量與粒徑大小關系的實驗結果跟理論分析規律完全一致。
  20. In radar signal and information processing system, data acquisition system is indispensable as a very important unit

    數據採集系統是信號與信息處理系統中不可缺少的重要組成部分。
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