on-line base system 中文意思是什麼

on-line 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...
  • 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. The loss of the transformers accounts for largish proportion in the loss of the power system, so realizing economical operation of transformers is one of the effective measure to readuce loss and save energy. but from existing status of this field, how to effectively realize economical operation of transformers has not been done very well. this dissertation main researches how to effectively actualize on - line economical operation of transformers base on the existing scada system and equipments of the area power network

    在電力網損中變壓器的損耗佔有相當大的比例，故實現變壓器經濟運行是降低網損、節約能源的有效手段之一。但綜合國內外的研究現狀，如何有效地實施變壓器經濟運行還沒有得到很好解決。本文著重研究了在地區電網現有的scada系統和設備上實現在線變壓器經濟運行的解決方法。
  2. This paper discusses some important technologies closed to dtv receiving system deeply, base on scn and cctv. it includes mpeg - 2 system level, dvb service information, conditional acceptance. it also describes how to realize epg, ca, upgrade on line etc based on the dtv service information technology at lengtho now, the production of this design is applied to the digital tv products of cctv and sichuan tv net

    本論文結合數字電視在四川廣電網和cctv的具體應用情況，深入研究探討了與數字電視接收系統緊密相關的部分關鍵技術，包括mpeg - 2系統層結構分析、 mpeg - 2和dvb業務信息分析、數字電視條件接收基本原理和加解擾及加解密技術，並詳細敘述了如何運用數字電視業務信息技術實現了電子節目指南、條件接收、在線升級等基本業務。
  3. 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。
  4. This paper adopts the thermodynamic method to on - line monitor the performance of the feed pump and on the base of the method develops the feed pump status monitoring system. the system has been applied to one power plant 2qomw unit and reached the good improvements of safety and economy for the unit operation. dai ri - jun ( feng zhen power plant ) directed by prof

    本文在充分研究給水泵效率在線監測方法和故障機理的前提下，採用熱力學法對給水泵進行性能在線監測，同時開發了狀態監測系統，並將二者合二為一，成功地應用於200mw機組的給水泵，提高了機組的運行的安全性與經濟性。
  5. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用，不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷，更將故障定位在故障線路最小故障區段。
  6. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。
  7. 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。
  8. 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。
  9. A new in time passive location system based on multi base - line interferometers is proposed

    摘要針對單站無源定位系統及時定位的需求，提出了一種基於長短基線干涉儀的無源定位系統的設計方案。
  10. This processing line has two sszm1200c straight line double edgers and 90 transfer table. 30 spindles on each sszm12000c, high collocated, wheels. high - level of polishing ; compact and steady base, precise and smooth transfermission system ; big power frequency - conversion motor to control the speed of pedeail ; plc control system sets processing parameters via interface, to control the width and the speed, the minimum size of the glass can be 127xl27mm ; the structure of the machines is compact and stable. this line is our new designed products, and it s the ideal choice of assistant equipment for exquisite and industrial glass, besides, it can be used with other machines to form a production line set

    本生產線由2臺sszml200c玻璃直線雙邊機和1個90中轉臺組成每臺sszml200c玻璃直線雙邊機配置30個磨頭，磨輪配置多，加工拋光精度好底座穩重扎實，傳動系統精確流暢大功率變頻電機調速控制傳送皮帶驅動plc控制系統通過界面設定參數控制，最小加工玻璃寬度尺寸小至127127mm機器結構緊湊性能穩定，是我公司全新設計的力作是大批量精品玻璃和工業玻璃磨邊生產的暈佳配套設備，可口與夾膠印花，鋼化等生產線配套使用
  11. 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。
  12. 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。
  13. In this paper, the main work is that developing a suit of on - line monitoring system of fouling on the low - temperature convection surface and local slagging on water wall surface, to guide and optimize the progress of sootblowing, on base of the successfully developed monitoring system of fouling on the high - temperature convection surface

    本文主要工作是在已經開發成功的高溫對流受熱面積灰監測的基礎上，開發低溫對流受熱面積灰在線監測以及水冷壁局部結渣在線監測，來指導和優化吹灰過程。
  14. This paper is focused on the design of the electronic circuits to improve the system energy resolution, including the design of the preamplifier, the shape amplifier, the base line restorer ( blr ) and the multichannel analyzer ( mca ), discussing some problems, which should be taken into account in the design

    本文著重討論了電子學線路的設計對改善系統解析度的影響。包括前置放大電路、成形放大電路、基線恢復電路、脈沖幅度多道分析電路的設計及設計中改善系統能量解析度應注意的問題。
  15. 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。
  16. On the base of analyzing the development of control system for synthetic rubber press internationally, and combining the development status quo of applied research of reliability engineering of hydraulic systems, to overcome the design limitations of traditional control system for synthetic rubber press and such faults as high energy - consume, long process period and low reliability in the pressing process of synthetic rubber in the post - treatment product line, brand - new design and reliability research are to be carried out for the new control system

    通過對目前國內外合成橡膠壓塊機控制系統發展水平的分析，結合可靠性工程在液壓系統中應用研究的發展現狀，針對國內合成橡膠后處理生產線上傳統橡膠壓塊機控制系統的設計缺陷及橡膠壓制過程中能耗高、工藝周期長、可靠性差等故障現象，對橡膠壓塊機控制系統進行全新設計和可靠性研究。
  17. Only small fuzzy rules ( “ if - then ” rule base ) are selected, the fnns may be applied to approximate the unknown chaotic system. using a lyapunov synthesis approach and the parameters projection algorithm, the free parameters of adaptive fnns controller can be tuned on - line

    該方法採用少量模糊規則（ 「如果-則」語言規則） ，使模糊神經網路逼近系統中不確定函數;然後通過lyapunov函數法和參數投影演算法，即可在線調整模糊神經網路控制器參數。
  18. On the base of the changes of natural, social and economic environment, the study validates the precaution line " s functions : locating the fragile area and indicating the eco - system " s changes. this is the newest application in the arid area study of the western china, also the paper " s innovation and emphasis

    結合研究區實際的自然環境變化和社會經濟情況，本文驗證了預警線在空間上定位生態環境脆弱區和預示環境變化等方面的作用，這是3s技術在西部乾旱區研究中的全新運用，也是本文的創新之處與研究重點。
  19. On the base of investigating the research status of adptive protection system, an adaptive protection system of power supply and distribution line of 35kv or under 35kv is constructed based on devicenet fieldbus, industrial ethernet and the offered system ’ s overall structure. it is composed of production process level, bay level, substation level and central control center level

    在充分調研國內外自適應保護系統研究現狀的基礎上，基於devicenet現場總線與工業以太網以及給出的系統體系結構，構建了適用於35kv及以下電壓等級由生產設備層、間隔層、變電站層與集控中心層組成的供配電線路自適應保護系統。
  20. 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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