重力測量網 的英文怎麼說
中文拼音 [zhònglìcèliángwǎng]
重力測量網
英文
gravimetric network- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : 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...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 網 : 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...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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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重量輕、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,抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力,易於構成傳感網路;測量對象廣泛,易於實現多參數傳感測量等等。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
電力負荷預測是供電部門的重要工作之一,準確的負荷預測,可以經濟合理地安排電網內部發電機的啟停,保持電網運行的安全穩定性,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。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
航空重力測量測線網平差就是在分析、總結航空重力測量的主要誤差源基礎上,研究建立反映航空重力觀測系統誤差變化規律的誤差模型,根據交叉點不符值條件,平差求解各測線上重力觀測值系統誤差改正數,然後對各測線上所有重力觀測值進行改正(補償) 。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、總結航空重力測量的主要誤差源基礎上,研究建立了反映航空重力測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測線網平差模型。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,我校對重慶鋼鐵集團公司中板廠電力網電能質量進行了測試分析,從測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網注入較多的諧波,影響電網的正常運行。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。It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation
本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。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觀測網中14臺超導重力儀21個長期、穩定、連續的高質量重!The network adjustment is one of key techniques for airborne gravimetry, it is also an important component in this paper
航空重力測量測線網平差是航空重力測量的關鍵技術之一,這也是本文的主要內容。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重力測量測線網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 、結合航空重力測量的實際情況,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。Jdy - 280b double electromagnetic lock product characteristic : strong holding force, no left magnet easily installed, low noise, durable no mechanical failure with signal feed back function applications : can be used with intercoms and access control systems, especially for fireproof door working voltage : 12vdc 24vdc working current : 12vdc 0. 27a, 24vdc 0. 46a power consumption : 3. 3w, 3. 5w, absolutely insulative power supply mode : successively working temperature : - 40 50 dimension : 473 x 45 x 30mm weight : 3920g yiwu qimingxing computer company copy right
Jdy - 280b雙開門磁力鎖產品特性:吸力強無剩磁安裝方便噪音低壽命長具故障保護功能,無機械故障可具資訊回饋功能鎖狀態有指示燈指示:鎖門時綠燈指示燈亮開門時,紅色指示燈亮帶鎖狀態指示燈及聯網信號輸出適用范圍:可與樓宇對講門禁系統配套使用特別適用於逃生門防火門電氣性能:電氣性能:使用電壓: 12vdc 24vdc電流: 12vdc 0 . 53a 24vdc 0 . 27a絕緣電阻測試: dc500v 1分鐘無擊穿通電形式連續使用溫度: 40 50外形尺寸: 473 x 45 x 30mm重量: 3920gJdy - 280 electromagnetic lock with led product characteristic : easily installed, low noise and durable ; strong magnetic force, no magnet left when power off with led and network signal output built - in reverse wave protection function usage range : be used with intercoms and access control systems can be installed onto wooden door, metal door, glass door, fireproof door function : working voltage : 12vdc, 24vdc working current : 12vdc 0. 53a, 24vdc 0. 27a working condition : 40 50 working mode : cut off power to open wires are insulated, dc500v absolutely insulated in 1 minute. dimension of the magnet board : : 184 x 36 x 11mm dimension : 235 x 45 x 30mm weight : 1980g yiwu qimingxing computer company copy right
Jdy - 280磁力鎖帶指示燈產品特性:安裝方便噪音低壽命長吸力強無剩磁內置反向突波保護功能適用於90開門,有門偵測信號帶鎖狀態指示燈及聯網信號輸出適用於樓宇對講門禁系統配套使用適用門型:木門金屬門玻璃門防火門電氣性能:工作電壓: 12vdc 24vdc工作電流: 12vdc 0 . 53a 24vdc 0 . 27a工作環境: 40 50工作方式:斷電開鎖鎖狀態有指示燈指示:鎖門時綠燈指示燈亮開門時,紅色指示燈亮絕緣電阻測試: dc500v 1分鐘無擊穿鐵板尺寸: 184 x 36 x 11mm外形尺寸: 235 x 45 x 30mm重量: 1980gConsequencely, 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測資料,並對其進行了系統分析,從觀測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,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼重力壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力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-預測」分析; 4 )利用漫灣水電站砼重力壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。The paper focus on the stage of researching on the feasibility of the project, taking the third joint road from zun yi city to ma changping in guizhou province as example, and further introduce the general principles and methods which determine the road technology standard in the respect of prediction of the traffic volume, the analysis on road network construction, communication ability and service level
摘要側重於工程可行性研究階段,以貴州省第三聯線遵義至馬場坪公路為例,從交通量預測、路網結構分析、通行能力及服務水平分析等方面介紹了公路技術標準確定的一般原則和方法。With the rapid and continuous development of in service, the bottleneck of the whole system is becoming more and more prominent, thus causing many problems, such as the instable operation of the whole system, the hindrance of the service development, the low quality of the pstn and the safety threat of the net. to solve these problems causing by insufficient estimation in intensity of traffic in the early days, the centralized in equipment is put into use. for example, the scp is used compositely to compensate for the fluctuant service among different in service
這是由於建網初期對話務量的預測不足,採取集中設置智能網系統設備方法而引起的,如scp採取混合使用,以相互補償各類智能業務的波動,而帶來了以scp為界面的較大系統瓶頸問題,如果業務量大會引起scp大量拒呼,嚴重時還會完全阻斷業務;此外,由於ssp的配置不夠加之智能網話務的突發性強,而ssp決定了智能網系統可接受話務量多少的能力。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、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.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、推力測量裝置和真空系統.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.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定Quantification methods were introduced into management, networks of critical case assessment were used in managing patients, and the system for assessing training in techniques for nursing critical cases was used in managing nursing personnel, thus improving the quality of the nursing pensonnel, ensuring the rational allocation of human resources and promoting the enhancement of the hospital ' s medical quality and its social and economic benefits
通過組織危重癥患者的護理技術培訓、查房與會診和擴大危重癥護理技術協作網范圍、將量化手段引入管理,還應用重癥病人評估積分網路管理病人,應用危重癥護理技術訓練測評系統管理護理人員,提高了護理人員的素質,使人力資源得到合理配置,促進了醫療質量和兩個效益的明顯提高。The slide mechanism mainly by pushing for and the hydraulic power system with the necessary supporting wireless sensor detection and computer control system and network components, equipment is small in size, light forces, carrying capacity, a high degree of automation, convenient operation flexibility, security and reliability, the slip lifting the weight of components, and standard features such as unlimited distance
連續頂推機器人主要由頂推器、液壓動力系統以及與之配套的傳感檢測和計算機無線和網路控制系統等組成,具有設備體積小、自重輕、承載能力大,自動化程度高,操作方便靈活,安全可靠性好,被滑移、頂升構件的重量、尺度和距離不受限制等特點。The main vehicle for various hydraulic brake pedal force size detection, and automatic storage, test results with a simulated output interface to computer networking and the apparatus small size, light weight, low power consumption, carrying convenient, measurement accuracy, applicable to vehicle brake maintenance of the ideal instrument
主要用於各種機動車液壓制動踏板力的大小檢測,並可自動儲存顯示,檢測結果配有模擬量輸出介面,以便和微機聯網,該儀器體積小,重量輕、功耗低、攜帶方便、測量準確、適用於汽車維修制動系統檢測的理想儀器。What the subject researching is that power energy should be measured with base wave ammeter to power systematic nonlinear user ; and that it is high veracious by base wave ac parameters measurement method to those not bad contaminative. it is well known that all kinds of ac parameters including of base wave and harmonics, but the content of harmonics in power systems increase largely with the mass disturbance to power using high - power electric equipment. which makes wave shape of voltage and current aberrence, so the measurement veracity and reliability decreased largely. at the same time brings out serious infuency to safe run of power system and electric equipment. the power which any non - linear loads consumes can be divided into two sides, one is base power absorbed in power and the other is minus harmonics power
本課題所研究的問題是針對電力系統非線性負載用戶採用基波電度表來計量電能;而對諧波污染不嚴重的線性用戶採用基波交流參數測量的方法仍然具有較高的準確性。眾所周知,各種交流參量都包含基波和各次諧波,然而隨著電力電子技術的迅速發展,大功率的用電設備對電網的干擾也是越來越嚴重,導致電力系統諧波含量迅速增長,使電壓和電流的波形產生嚴重畸變,測量的準確性和可靠性都大大降低,同時也對電力系統和用電設備的安全運行帶來嚴重的影響。任何一種非線性負載所消耗的功率都可以分為兩部分,一部分為從電網中吸取的基波功率,另一部分則是負的諧波功率。分享友人