重力測網 的英文怎麼說

中文拼音 [zhòngwǎng]
重力測網 英文
gravimetric network
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )

    光纖光柵傳感器除了具有量輕、耐腐蝕、抗電磁干擾、靈敏度高、結構緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波長調制型,抗干擾能強;集傳感與傳輸於一體且具有極強的復用能,易於構成傳感路;量對象廣泛,易於實現多參數傳感量等等。
  2. Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit

    負荷預是供電部門的要工作之一,準確的負荷預,可以經濟合理地安排電內部發電機的啟停,保持電運行的安全穩定性,減少不必要的旋轉儲備容量,合理安排機組檢修計劃,保證社會的正常生產和生活,有效地降低發電成本,提高經濟效益和社會效益。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡試迴路為設計方案,並從控制理論的角度進行了分析,著研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正路;分析了二元調寬脈沖再平衡試迴路的解析度、采樣約束以及試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及矩電流發生器等試系統各部分硬體電路,驗證了電路的正確性,最後按照試系統的要求,採用了美國ni公司專為試領域所開發的虛擬儀器工具? ? labview作為試軟體開發工具,利用該圖形化編程語言完成了試系統軟體部分的設計,實現了試功能。
  4. Safety of structures is a common and important problem in the mechanical engineering. recent years there is a trend of developing unified theory of fatigue and fracture to describe the life - cycle damage behaviour of structures. researches on safety guarantee are going toward multi - method synthesis, system micromation, network availability and life - cycle information management

    結構的安全性一直是工程中普遍關心的要問題,結構強度學逐漸發展到疲勞斷裂統一理論,結構安全保障手段已向多方法、微小化、路化和全壽命在線保障與監發展,建立全壽命安全保障系統,涉及材料、機械、學、電子等學科的交叉融合。
  5. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統,避開爐子控制中遇到的困難參數檢及建模困難等因素,直接根據容易檢的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度,將模糊控制技術與常規pid控制相結合,實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警,實現爐膛壓、管道壓、換熱器的保護控制,並將要參數送往廠級mis路。
  6. At the first part of the dissertation, the architecture and basic protocols of web services are analyzed and discussed. then the business data integration framework ( bdi framework ) is briefly introduced. the designing emphases of bdi system engine and management interface are particularly discussed in detail, especially on the topic of designing thinking, kernel constitution, various function adapters, web - based interface designing and tradition - based interface designing, which shows that the system has a prime adaptability and expansibility in information exchanging across various platforms and systems

    本論文首先對webservices的體系架構和構成它的基礎協議進行了分析和研究;然後對論文點要討論的商業數據集成系統bdiframework作了簡單的介紹;接著從bdiframework的引擎設計、管理界面設計兩個方面進行了詳細的闡述,著介紹了系統的設計思想、系統內核的組成、各種功能適配器的設計以及基於web的瀏覽器界面和基於form的傳統界面的設計,說明了採用webservices技術的ibdiframework能實現跨路、跨平臺集成數據,適應能強,可擴展性高,為將來進一步開發打下了堅實的基礎;最後介紹了系統整體試的情況和下一步的工作要點。
  7. Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized

    航空平差就是在分析、總結航空量的主要誤差源基礎上,研究建立反映航空系統誤差變化規律的誤差模型,根據交叉點不符值條件,平差求解各線上值系統誤差改正數,然後對各線上所有值進行改正(補償) 。
  8. Two practical applications prove their efficiency. 3. using knowledge of adjustment with additional systematic parameters, based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors and with which three kinds of new crossover adjustment models are presented

    3 、根據附加系統參數平差的理論,在分析、總結航空量的主要誤差源基礎上,研究建立了反映航空量系統誤差變化規律的誤差模型,並根據三種不同的情況建立了相應的平差模型。
  9. During the period of june 28 to july 1 in 2003, power quality testing and analysis on the power grid of middle - broad plant of chongqing steel group corporation was performed. from the testing report, it can been seen that the refine rolling mill system will inpour badly harmonic to the power grid, which will affect the normally function of power grid

    2003年6月28日到7月1日,我校對慶鋼鐵集團公司中板廠電電能質量進行了試分析,從試報告中可以看出該廠精軋機系統在有些工作情況下運行時會向電注入較多的諧波,影響電的正常運行。
  10. Thin - film sensors in tension measuring straps monitor mounting and work forces directly in the flow of force in construction and operation of lattice - tower cranes, for example

    試繩上的薄膜傳感器監控著連續和工作,正在格塔起機的建造和操作過程中。
  11. Planet probing lensing anomalies network

    透鏡探
  12. Material composition appears, and reading material in - put makes the chinese test change from two - dimensional construction to three - dimensional construction ( chinese knowledge, reading and composition ). graduation tests departing from entrance tests, exploration of the standardized test, weakening the chinese knowledge, the researches of controlling error of judging composition, pattern set " 3 + x ", judging test papers on net, and experiments of spring and summer university entrance test. all the above, having made remarkable achievements, make the current chinese test more modernizing and scientific

    供料作文的出現,閱讀內容的增加使語文試卷由二維結構到三維結構的轉變,畢業會考與升學考試的分離,標準化考試的探索,語文知識考試的淡化,對語文能試的視,作文評分誤差控制的研究以及高考「 3 + x 」科目設置試驗,上閱卷和春夏兩季招生考試試驗等都為語文考試現代化、科學化作了有益的嘗試,也取得了顯著的成就。
  13. The discrepancies are less than 1. 5 % for the eigenperiod and 7. 7 % for the real part of the resonance strength

    採用國際ggp觀中14臺超導儀21個長期、穩定、連續的高質量
  14. The network adjustment is one of key techniques for airborne gravimetry, it is also an important component in this paper

    航空平差是航空量的關鍵技術之一,這也是本文的主要內容。
  15. Consequently, the paper investigates the following aspects about the network adjustment theory and practice for airborne gravimetry, m oreover, some questions correlated with solving the adjustment problem are discussed in detail. 1. based on actualities of airborne gravimetry, two practical methods of searching crossovers are proposed, i

    為此,本文從以下幾個方面對航空平差的理論與方法及相關內容進行研究,並得出若干初步結論: 1 、結合航空量的實際情況,提出了兩種實用的交叉點搜索方法,即跳躍搜索法和圖形輔助搜索法。
  16. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監資料,並對其進行了系統分析,從觀資料本身直觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經路非線性映射功能,建立了神經路時間序列預模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預分析三個模塊組成漫灣水電站砼壩運行狀態分析系統;實現了對漫灣水電站運行狀態的動態「反演-預」分析; 4 )利用漫灣水電站砼壩運行狀態分析系統,在漫灣大壩實資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預分析的基礎上,系統的分析並預了大壩運行狀態。
  17. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓和馬赫數的分佈.給出了計算所使用的格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所量的一些要參數,通過實驗發現氬比氮工作更穩定
  18. Some people forecast the tech - nology of internet will be the most great technology invent in next 1, 000 years

    有人預路技術將是下一個千年中最要的技術發明,它將對社會發展產生巨大的推動
  19. 2. the model principle of four steps in passenger flow forecasting is illustrated and the software flowchart combining the transcad technology with the transit planning model is listed, gravity model is calibrated, and forecasted passenger flow of planning road network in the target year is obtained

    2 .結合transcad技術和交通規劃模型,對公交客流預四步驟進行模型原理說明並給出軟體流程,對模型進行標定,得出規劃道路目標年公交客流預值。
  20. Xianghongdian concrete gravity - arch dam was analyzed using numerical simulation in this paper. in different place of dam crack with different stripe and various depth was simulated and corresponding vibration frequency and shape were given. the frequency of damaged dam polluted by noise was also discussed and the results were presented using statistical neural network to identify

    本文對響洪甸拱壩進行數值模擬分析,在大壩的不同位置模擬了條數不等的、張開度不同的各種裂縫,並給出了相應的振動頻率和振型,考慮了試噪聲的影響,並用統計神經路進行了識別。
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