輔助基線 的英文怎麼說

中文拼音 [zhùxiàn]
輔助基線 英文
auxiliary base line
  • : Ⅰ動詞(輔助) assist; complement; help Ⅱ形容詞(輔助) subsidiary Ⅲ名詞1 (車輪外旁增縛夾轂的兩條...
  • : 動詞(幫助; 協助) help; assist; aid; support
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 輔助 : 1. (從旁幫助) assist 2. (非主要的) supplementary; auxiliary; subsidiary
  1. A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms

    於實驗曲構建了最小二乘形式的目標函數,並採用傳統優化方法設計了各個決策變量的搜索空間,進而用遺傳演算法確定了損傷型zwt非性粘彈性本構關系中的材料參數。
  2. The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted

    以提高層合板復合材料的層間斷裂韌性(能量釋放率)為目標,採用中堿玻璃布為增強材料,對疊層后的玻璃布,採用凱芙拉縫合、改進的鎖型縫合方法、不同的縫合工藝進行了縫合;體採用的是不飽和樹脂,固化劑為過氧化甲乙酮,促進劑為環烷酸鈷液;在室溫下採用真空rtm ( resigntransfermolding )成型固化方法,製作了不同縫合工藝的玻璃布增強復合材料層合板。
  3. Technicans are trying to find out a more reasonable point to describe work state of pump for some reasonless factors of this model, the key technology of developing ads is on adopting a means by using theoretical calculation and curve fitting to build a reasonable pump state graph model, the model " s rationality based relations between pump efficacy and sinking depth is illustrated by restrict programme argumenting

    抽油增效決策系統的開發,其關鍵技術在於採用理論計算及曲擬合的辦法,建立合理的泵況圖模型,通過嚴格的方案論證闡明於泵效-沉沒度關系的泵況圖模型的合理性。通過實際數據,檢驗模型的有效性。
  4. Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits

    文摘:介紹了一個於標準單元布圖模式的電源/地網路的設計集成工具.它應用了一系列高效的演算法,為用戶提供了電源/地網路的設計、優化和驗證的功能.非性優化技術、分枝定界演算法和不完全喬萊斯分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明,文中所提供的演算法可以在很快的運行速度下實現更低的布資源佔用.因此,在這些有效演算法礎上實現的設計工具具有處理大規模電路的能力
  5. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結分析了當前水下導航的常用方法和不足之處,指出於航位推算的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形導航的主要技術路,一是於地形高程的匹配方法,這是當前研究的重點;二是於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為礎的桑迪亞慣性地形導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  6. The first algorithm is low precise but simple and credible, the second is high precise but complex and incredible. 4 ) developed four kinds of methods aimed to improve precision and credibility of navigation system. the first is parallel sandia inertia terrain - aided navigation ( psitan ) ; the second is tercom + sitan, it can restrain two important disadvantages of sitan ; the third is particle filter - based terrain - aided navigation ( pftan ), the particle filter can reduce the error of navigation ; the last is tercom + pftan, where tercom is looked as monitor to ensure the credibility of navigation system

    採用并行sitan方法來提高導航精度,並克服奇異值問題;提出了tercom + sitan方法,綜合利用兩者的優點,在保持sitan導航精度的前提下,有效地克服了sitan的兩個缺點;提出了一種於連續蒙特卡洛濾波(常被稱為particlefilter )的地形匹配演算法( pftan ) ,有效地克服了利用sitan時由於地形隨機性化帶來的誤差,使導航精度有較大的提高;提出了tercom作為監視器的地形導航思想,並將其應用到連續蒙特卡洛方法上,較大地增加了系統的可靠性和精度。
  7. The article has collected data / information concerning total crude and products trade, tanker fleet productivity, tanker fleet deliveries and deletions, developing of new building market, etc. on the basis of this, the article has taken middle east ? apan trading line as an example, had a deep study of the method of technology and economy demonstration of large oil carrier and had an analysis and comparison of different ship type plan, by means of computer calculation

    本文在收集、分析世界石油海運量、世界油輪船隊的發展和現狀、航狀況以及新造船市場的發展與現狀的礎上,以中東?日本航為例,深入研究油輪論證的方法,通過計算機計算,選擇出了適合該航的最船型。
  8. In this thesis a fuzzy control system used in voltage and reactive power auto regulatory device is designed based on the nine - zone controlling principle. in the fuzzy system, the fuzzy reasoning is mamdani method and the antifuzzy is centroid method. the software matlab is used to calculate the fuzzy system. the fuzzy system divide the voltage - reactive pane into fuzzy zone, in this way the domain - swing between closing domain is eliminated

    論文對電壓無功綜合控制技術進行研究,針對傳統九區域分區控制方法無視電壓與無功耦合的缺點,結合變電站電壓無功控制的實踐經驗,在傳統控制方法上引入模糊控制,設計了於模糊控制的電壓無功綜合控制系統。模糊推理系統中採用mamdani型推理,非模糊化採用重心法,設計中使用matlab進行設計和離計算。
  9. The system realizes multiple serial port communication and management by way of multi - port serial board ( 2 ) use the database technology to manage and manipulate the physics information data of nc tool. the basic information management system, the nc program auto - create system, the simulation of cutter working and dnc communication program are integrated to one system. it realizes the offline programming and controls of no - punched tape, helps to cut short the supplementary cutting time and improves the efficiency of to program and machine tools and realizes the separation and seamless connection of program and manufacture

    本課題以硬體為手段,以軟體為主要手段實現了以下功能:以串口擴展卡來實現網路中多臺數控機床的通信和管理;使用數據庫技術對數控機床的物理信息進行管理和操作,將數控機床礎信息管理系統、 nc程序自動生成模塊、刀具加工軌跡模擬模塊和dnc通信介面模塊集成為一體,實現了數控加工的離編程和數控系統的無帶控制,提高了編程效率、質量,縮短加工時間,提高了機床的效率,既實現了編程和加工的分離,又達到它們之間的無縫連接。
  10. Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively, improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed, the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution, that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed

    本文提出的z變換增強fasf演算法能有效的減小模糊值搜索空間,提高整周模糊值解算的速度和實時性;整周模糊值確定后,需要對整周模糊值的可靠性進行分析,本文提出的比率檢測演算法能有效的減少整周模糊值錯誤確定后整周模糊值二次解算所需要的時間;為了進一步減少整周模糊值解算所需的歷元數目,本文提出把長度先驗信息作為觀測量進行卡爾曼濾波整周模糊值求解。
  11. Main technic of giss webgiso thus function modules architecture and network topological structure are confirmed webgis system implements the basic function of electronical map, such as map zoonu pan, and the abundant query of geograph and database by using maplnfo mapxtreme for java as map server and jsp., java technico this system also can implement the routing of linesx analysing of buffer and so on0 this paper advances storage model of roads and pipelines topology data, efficiently solves the maintenace problem of network topology data of webgis and implements the shortest path algorathm based on webgis by improving it0 the system has better opening by suppling database interface of map ? the system has perfect on - line help and user forum and favorable interfaces and implementation of this system makes fundament for the further research of webgiso

    本系統利用mapinfomapxtremeforjava作為地圖服務器,採用jsp和java技術,實現了於webgis的電子地圖的縮放、漫遊等本功能,並具有豐富的圖文定位查詢功能;實現路路由、緩沖區分析等決策功能;構建了道路管網路拓撲數據的存儲模型,有效地解決了於webgis的網路拓撲數據的維護問題;對dijkstra演算法進行了一些改進,實現了於webgis的最短路徑演算法;本系統提供了電子地圖數據庫介面,使本系統具有很好的開放性和通用性; webgis系統軟體具有完善的在和用戶交流論壇,人機界面友好。
  12. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力的傳輸特性和數字調制技術進行分析的礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之外圍電路,構造出低壓電力載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  13. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現性輸出的六桿導桿機構轉化為礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近常數的數學模型,討論了主要機構參數存在區域及對運動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計算機尺度綜合的步驟與方法。
  14. Abstract : this paper introduces computer aided working procedure quality management for pipeline assembly production, and describes some concept and characteris tic

    文摘:介紹了於流水生產的計算機工序質量管理,描述了其中的本概念和特點。
  15. Electromagnetic compatibility and radio spectrum matters - meteorological aids met aids - radiosondes to be used in the 400, 15 mhz to 406 mhz frequency range with power levels ranging up to 200 mw - part 2 : harmonized en covering essential requirements under article 3. 2 of the r tte directive v1. 1. 1

    電磁兼容性和無電頻譜情況.氣象裝置.用於功率電平200 mw及以下的400 . 15 mhz到406 mhz頻帶的無電高空測候器.第2部分:包括r tte指令3 . 2條款本要求的協調的en
  16. Establishing on the foundation of the project of " the monitoring state and maintenance assist support system of feed pump for 300mw unit, shiheng power plant, shandong ", this paper ' s content comprise on - line monitoring and thermodynamic calculation on small steam turbine for feed water pump, and supply the necessary data for feed water pump ' s performance analysis, trouble analysis and small steam turbine ' s performance analysis, optimization, heat stress calculation and tremble monitoring

    =本論文的內容是建立在「山東石橫電廠給水泵狀態監測與維修支持系統」項目礎上,涉及大型機組鍋爐給水泵驅動用小汽輪機進行在監測和熱力計算,為給水泵的性能分析、故障分析以及小汽輪機的性能分析和優化、熱應力計算和震動監測提供必需的數據。
  17. In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained

    本論文研究開發的輸電鐵塔獨立礎優化設計cad系統,以最小費用為目標,採用簡單、有效、易於編程的有約束非性規劃方法? ?網格搜索法,對輸電鐵塔獨立礎進行優化設計,確定出礎埋深、柱寬度、底板寬度、底板厚度等合理截面尺寸,並開發出計算、出圖一體化的優化設計計算機設計系統。
  18. First, the fundamental theory of the basic fdtd method and its application in the analysis of the electromagnetic properties of infinite planar periodic structures is summarized. the basic ideas of the auxiliary fields fdtd method is expressed and generalized to the situations of the 2 - d periodic structures, to lossy media, and to the curvilinear coordinate. the shortcoming of this method in the management of conformal grids is pointed out

    首先總結了fdtd方法的本理論及其在周期性結構電磁特性分析中的應用,闡述了場fdtd方法的本思想,把它推廣到二維周期性的情況和計算區域為有耗媒質的情況,再進一步推廣到曲坐標系中,並指出了該方法在網格共形處理中的不利之處。
  19. In the chapter 3, after the multi - stroke plane distributor was designed, pressure field of the plane distributor was calculated with fem. at the same time, the cad software for it was developed according to the above arithmetic

    第三章在初步設計計算內曲端面配流盤的礎上,採用流體有限元方法精確計算分析了端面配流盤的壓力流場,同時根據上述演算法開發了端面配流盤計算機設計軟體。
  20. On the base of the explanation of the system and exhaust about the fieldbus technology and the concept and principle of fieldbus control system ( fcs ), i combine the tendency of the development of the thermal automation technology in power plant, use the prevalence of the fieldbus adequately, and bring up the designing thought and scheme about the application of foundation fieldbus and expert system and fieldbus equipment management in the system of the auxiliary control in the power plant, in order to make the production and running of the power plant more convenient, more safe, more economical and more dependable

    本文旨在對現場總技術在火電廠生產過程式控制制中的開發與應用進行積極的嘗試和有益的探索,在系統解釋、闡述現場總技術及fcs的概念與原理的礎上,結合火電廠熱工自動化技術的發展趨勢,充分發揮現場總的優勢,提出將金會現場總技術、專家系統和現場總設備管理應用於電廠控制系統中的設計思路和設計方案,從而使電廠生產運行更方便、安全、經濟、可靠。
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