on-line data base system 中文意思是什麼

on-line data base system 解釋
聯機數據庫系統
  • on : adv 1 〈接觸、覆蓋〉上去;開(opp off)。 turn on the light [radio water gas] 開電燈[收音機、自來...
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • 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...
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  • 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. 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。
  2. This dissertation is faced to the process of steel rolling to found network of manufacture material flow, basing on it founding guide line evaluation system of the cost of unit standard producing working procedure, guide line evaluation system of the quality cost of unit standard producing working procedure and guide line evaluation system of performance and efficiency ; and base on the cost data of all kinds of material flows, manufacture flow, flux data, manpower, energy consume, material consume, capital asserts occupied, fund occupied, and the production in working procedure, throughput of the materials in working procedures in the flow and countercurrent flow in the network of material flow of recorded in working procedure producing, using the “ whole closed down lane ” model to describe network of manufacture material flow of steel rolling, found the cost analyzing model system of the network faced to producing process. make the cost increasing of the producing by abnormity material flow in working procedure, and even the cost increasing of the producing procedure as the cost of the management behavior of working procedure fallen under cost evaluation guideline in responsible working procedure, so as to ration measure the factors fast correlated with management behavior by measuring the cost

    在企業管理信息化輔助工具所建立的數據平臺基礎上,建立了以基準物流圖模型為基礎的軋鋼生產主流程物流網路拓撲圖,根據圖論的理論求解最大流量和最小費用;計算每個生產節點的加工成本,分離質量成本,克服了單純財務數據進行成本核算所帶來的缺陷;建立了軋鋼生產主流程工序含鐵物料吞吐能力基準圖模型,並根據此模型建立了軋鋼生產主流程工序激勵物流協調性和匹配性、工序響應物流協調性和匹配性分析的過程能力指數計算方法;通過引入決策單元綜合投入與綜合產出效率最優原則的模型和基於投入不變、分析產出是否有效或基於產出不變、分析投入是否有效的模型,實現了對多個績效指標在不同績效值集合之間的相對比較,並可根據投入產出效率準則、或者投入(產出)有效性準則進行排序。
  3. Firstly, seismic exploring databases are the base of the management, so a detail description is provided which some databases achieved in the past ninth five - year plan must be imported and surface layer database are built newly instead of traditional mode of recording and storing the data. secondly, according to the idea of gis ( geographic information system ), some query and display techniques are discussed, for example, the technique of visualizing user interface, the technique of controlling the order of a map, and the technique of searching for the database based on a seismic line

    從技術發展的角度看,盡管通過技術革新和技術改造,地震勘探野外採集採取了許多技術措施,例如,新的施工工藝,高性能的採集儀器,現場處理控制等,但目前的野外生產管理仍有沿用幾十年來傳統的管理方式的現象,採用傳統的文檔、圖紙,手工錄入這種管理方式,主觀性、隨意性較強,信息化程度低,管理水平不高,大量的時間被浪費在數據、資料的管理和查找上,由於沒有較好的技術手段,缺乏科學性。
  4. On the base of the research, the function and principle of the superficial temperature on - line inspection of the many paralleled rotating kiln is designed, and the software and hardware of the intelligent control of the scanner is researched, and the change rule fuzzy control theory and technique is brought forward and put in practice. in order to improve the inspecting precision and reliability of the system, many ways to dispose the temperature data are researched

    在對多平行回轉窯表面溫度紅外在線監測功能及原理的分析、設計的基礎上,著重對紅外掃描智能控制軟硬體進行了研究,提出、實施了紅外掃描儀跟蹤、定位的變規則模糊控制理論與技術;探討了溫度數據的多種預處理方法,提高了系統監測精度、可靠性。
  5. Based on large amount of data of speeding - up experiments, referring to not only some relevant standards in railway system of both home and abroad but also the investigating fruit of speeding - up on railway, analyzing on hardware configuration on jingguang line, the discourse makes a further investigation on standards and projects of existing busy main line and puts forward reasonable technique qualifications on lines and bridges and planar improving projects on railway lines. at the same time, the article analyses on the adaptability of diversified indexes under different speed, puts forward a viewpoint which argues that it should be a grading development process to improve the trains " speed on jingguang line, and establishes a good base for this grading development process

    以京廣線北京西至武昌段為研究對象,論文以大量列車提速試驗數據為依據,參照國內外高速鐵路有關標準和提速研究成果,通過對京廣線列車提速硬體配置的分析,對既有繁忙干線提速改造技術的適應標準和方案,進行了深入研究,提出了合理的提速試驗段線橋技術條件及線路平面改造方案;通過分析各項標準在不同速度條件下的適應性,提出了京廣線列車提速應分階段發展的觀點。
  6. The paper analyses the on - line monitoring power transformer " s chromatogram of oil in the pingliang 110kv substation and investigation the status in quo of transformer insulation monitor based on chromatogram of transformer oil. after the analysis of deflection sources in routine chromatogram of oil test, the paper brings into effect successfully the equipment on the base of characteristic infiltrative film monitoring six gases dissolved in transformer oil in the pingliang substation 2 # transformer. through analyzing a great deal practical data, it is proved that the monitoring system is stable and reliable, and has the ability to show the transformer ' s running state

    論文通過對平涼110kv變電站實施主變壓器油色譜在線監測及目前國內外對變壓器油色譜在線監測技術的現狀分析,結合影響常規油色譜測量結果及誤差來源分析,在平涼變電站2 #主變壓器上成功實施了以滲透氣體膜原理為基礎的變壓器油中六種溶解氣體在線監測及診斷裝置,通過大量運行數據分析,系統運行穩定,能正確反映變壓器的實際運行情況,並有效抓住了變壓器的一次故障,可作為狀態維修的依據。
  7. This thesis mainly designs the function of pmdss, analyze the closed loop of decision process, institutes the model of decision, analyzing model base and forecasting methods base, discuss the process of using data warehouse and on - line analytical technology to research power marketing decision support system of hunan province

    本文結合湖南電力營銷信息系統項目開發的工程實踐,設計了決策支持系統功能,分析了決策的閉環過程,制定了決策模型、分析模型庫和預測方法庫,論述了基於數據倉庫技術的電力營銷決策支持系統開發過程,並在開發平臺上實現。
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