線路復測 的英文怎麼說

中文拼音 [xiànlùfùcè]
線路復測 英文
repetition of existing railway
  • 線 : 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...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  3. Among various fabrication techniques of thin film, the sol - gel process has gained much interest for the preparation of pzt thin film, due to ihe advantages of good homogeneity, easy control of composition, low in - ill i reaving temperature, easy formation of large area thin films pb ( zrxti : - k ) 0 :, ( pzt ) films were prepared on the ito coated glass plates and low resistor silicon wafer in sol - gel dip - coating process associated wi di heat treatment : at different temperatures and characterized by x - ray diffraction ( xrd ) and transmission electron microscopy ( tem ). lt is shown that the pzt ferroelectric thin films with ( 110 ) preferred orientation and well - crystallized perovskite structure can be obtained after annealing at 680 ? for 30 minutes on ito substrate and at 800 " c for lornin on silicon substrate

    Pzt的制備方法有很多，其中溶膠?凝膠（ sol - gel ）方法可以和集成電路（ ic ）光刻工藝相互兼容，處理溫度低，有大面積塗敷性能，能精確地控制組分，無需復雜的真空設備，成本低廉，所以對于集成鐵電薄膜電容的應用這種方法有很廣闊的前景。本文利用sol - gel技術在摻錫的in _ 2o _ 3透明導電薄膜（ ito ）襯底和低阻硅襯底上成功地制備了pzt鐵電薄膜。運用了x射線衍射， sawyer - tower電路和lcr電橋分別對薄膜的晶化溫度，結構和電學性能進行了測試。
  4. The text uses the method of ray tracing that is based on improved traditional mirror image principle of the radio wave forecast and two ray propagation model, which can be used in any complex propagation environment and found any propagation path from the sending set to receiving machine without redundancy computer

    本文是基於無線電波預測中傳統的鏡像原理與雙射線傳播模型的結合而提出的改進了的射線跟蹤演算法，它能用於任何復雜的傳播環境中，能找到從發射機到接收機之間的所有傳播路徑而無須冗餘的計算。
  5. This simplification principle is the foundation of the following analysis. using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed

    （ 3 ）對一個僅含有直流輸電線路的系統，採用復轉矩系數- - - -測試信號法，對其次同步振蕩特性進行了分析。
  6. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息，減輕人工巡線的負擔，同時加快線路的恢復供電，減少因停電造成的綜合經濟損失，為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法，根據測距的原理將其分為阻抗法和行波法兩大類，對各種演算法的優缺點及適用范圍進行了分析，在此基礎上提出了一種組合的測距方案，並對演算法進行了模擬分析。
  7. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  8. The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border

    本文進行的主要研究工作有： 1解決柱式容器檢測中傳感器排布要求較嚴格的問題，開展任意三角形網路排布檢測技術與線定位技術研究，首次提出了利用字元串格式判斷線定位陣列有效性的判別方法，並解決了任意三角形定位中存在的定位陣列判斷，偽定位的剔除，重復定位的避免等一系列問題； 2利用平面任意三角形定位方法開展常壓立式儲罐罐底缺陷定位技術研究，提出了全新的定位陣列有效性判斷、定位點的有效性判斷方法；以及頂點聲源和邊界聲源的處理辦法。
  9. Since the images of a human face lie in a complex subset of the image space that is unlikely to be modeled by a single linear subspace, we use a mixture of linear subspaces to model the distribution efface and non - face patterns. in the other words, we used fisher linear discriminator to project samples from a height dimensional image space to a lower dimensional feature space

    對于背景復雜的人臉圖象的檢測，使用單個線性線性子空間很難準確地區分出人臉和非人臉模式，因此，本文使用混合線性子空間對人臉和非人臉樣本的分佈進行建模，在利用自組織映射神經網路標識人臉和非人臉樣本的基礎上構建一個fisher人臉檢測器。
  10. For complex boards or boards that aren ' t tested with an in - circuit tester, most companies perform a functional test before final assembly

    對于復雜的電路板或者沒有經過在線測試的電路板而言，很多公司在最後裝配之前進行功能測試。
  11. 5. in step current detection, intelligent pattern recognition capacity of artificial neural networks is utilized, then man - made factors are eliminated during judging the quality of pipeline coating, as well as avoiding numerous iterant calculations in curve imitation. therefore, the speed of judging coating quality is accelerated greatly

    在恆電流階躍激勵檢測中，利用了人工神經網路的智能模式識別的能力，使得在管道塗層狀態判斷中消除了人為因素，同時避免了曲線擬合中的大量重復性計算，大大提高了塗層狀態判斷的速度。
  12. By the network, a optional nonlinear input - output mapping relationship can be realized. concrete mapping relationship materialize at the distributed linking weight values between neurons that build up the ann. due to the strong self - adaptability and self - learning - ability as well as excellent and robustness and tolerance ability, it can not only replace many traditional algorithm which is very complicated and timeconsuming, but also, because the processing to information is more close to person ' s thought activity habit, it provides a new way for solving the prediction of nonlinear system and unknown model

    通過這種網路能夠實現任意的非線性輸入輸出映射關系，具體的映射關系體現在構成網路的神經元之間的分佈連接權上，由於網路具有很強的自適應和學習能力以及魯棒性和容錯能力，它不僅可以替代許多復雜耗時的傳統演算法，並且由於它對信息的處理更加接近於人的思維活動習慣，為解決非線性系統模擬和未知模型的預測提供了新途徑。
  13. A damage imaging approach is adopted and improved to image the damage. the applicability and effectiveness of the proposed method is demonstrated by experimental studies. this research is supported by the national natural science foundation of china under grant no. 10572058, and by the science foundation of aeronautics of china under grant no. 04i52063

    本文的研究得到了國家自然科學基金項目，基於無線智能傳感器網路復合材料結構健康監測的先進損傷識別技術（項目編號: 10572058 ） ，和航空科學基金項目，復合材料結構健康監測系統中的先進損傷識別技術（項目編號: 04i52063 ）的資助。
  14. Using the repetition data from the leveling circuit, which is composed of the spots at the measurement field in the hefei deformation observatory and the base rock at the neighborhood of the measurement line, we estimate the degree of stability of each spot

    摘要以合肥形變臺短水準測量場地各基巖點與檢測線路端點（基巖）組成水準環線進行連測，利用重復觀測資料，估算各點穩定度。
  15. Methods of measurement for radio equipment used in satellite earth stations - part 3 : methods of measurement for combinations of sub - systems - section three - measurements for f. d. m. transmission

    衛星通信地球站無線電設備測量方法第3部分:分系統組合測量第3節:頻分多路復用傳輸的測量
  16. 15 yiu m l, tao y, mamoulis n. the b rm dualhbox - tree : indexing moving objects by space - filling curves in the dual space. to appear in very large data base journal, 2006. 16 nagel k, schreckenberg m. a cellular automaton model for freeway traffic

    我們分析交通網路中相鄰對象的運動關系，通過元胞自動機模型來對未來一段時間內的復雜交通運動進行模擬，基於此提出一種新的基於模擬的預測模型sp模型來提高真實交通系統中對象運動的預測精度，大大優于線性預測模型，適合與道路網路上移動對象的運動預測
  17. Due to complicated continuous helicopter models and a wide range of constraints, numerical solutions on a mainframe computer have to take a long time. for a given set of initial helicopter states and flight parameters, optimal solutions are fitted by a fourier series. the coefficients of the fourier approximations are then interpolated as functions built by three - layer bp network with inputs of initial flight states and parameters

    最後，由於直升機數學模型的復雜性，這給實時優化計算帶來很大困難，本文研究了地面計算機計算的最優軌跡如何在機載計算機上實時顯示，對飛行員的操縱提供參考，即把不同初始條件得到的最優軌跡曲線進行傅立葉部分級數化，得到傅立葉系數，選取合適初始條件作為變量，對這些最優軌跡曲線進行擬和，建立bp神經網路預測模型。
  18. When faults occur in the transmission line, locating the fault accurately and timely is propitious to eliminate the fault and restore power supply

    高壓輸電線路發生故障時，及時準確地測量出故障位置有利於快速排除故障、恢復供電，對電力系統安全可靠運行有重要意義。
  19. When faults occur in the transmission line, locating the fault accurately and timely is propitious to eliminate the fault and resupply power. the exact fault location of the transmission line is fundamental to ensure a proper operation of the system

    高壓輸電線路發生故障時，及時準確地測量出故障位置有利於快速排除故障、恢復供電，因此，故障測距對電力系統安全可靠運行有重要意義。
  20. To meet the need of using photoelectric instrument to measure the photosensitive properties of the weak light of photodiode, because the current equipment is used in the daylight and the circuit is big and complicated, the instrument to measure properties of weak light of photodiode is developed, and the improved method is given

    摘要為了進行光電二極體的弱光光敏特性的測量和標定，改進現有測試儀只能適應日光環境且電路板體積大、線路連接復雜的缺欠，開發了一種光電二級管弱光光敏特性測量儀，並提出進一步改進的方法。
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