時角基本變量 的英文怎麼說

中文拼音 [shíjiǎoběnbiànliáng]
時角基本變量 英文
basic increment of hour angle
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976

    以一般高潮線反映現代黃河三洲沖淤演,從1976年黃河改道清水溝流路入海到2000年,整個黃洞三洲凈造陸201 . 5km ~ 2 ,淤積有逐漸慢的趨勢,甚至出現凈蝕退的年份;刁口河嘴大蝕退,蝕退速率開始快速,后來逐漸慢;清水溝河嘴大淤積,淤積速率開始迅速,后來逐漸慢,甚至出現凈蝕退;清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線穩定。
  2. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相壓器兩相涌流差流的二次諧波含比和間斷作為網路的輸入;其次,利用對原有bp網路訓練演算法礎上的改進型演算法(即在計算次權值和閾值的增加上一次權值和閾值化的影響以及採用學習率,與此同隱含層神經元個數採用動態形式) ,通過樣訓練使網路結構模型達到最優。
  3. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞子干涉效應( cqi ) ,並且測得積分干涉,為了獲得更加精確的分子內部轉動傳能的碰撞子干涉效應信息,實驗就必須要採用分子束實驗進行.文理論上採用各項異性相互作用勢,應用含微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞子干涉的理論模型.理論上推導出微分干涉具體表達式,通過計算定性地討論了微分干涉隨著碰撞參數、速率等的化趨勢,同初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論礎,對實驗的進行起到了一定的借鑒作用
  4. We analyze agent cooperation methods now commonly in use, and, on the basis of ecology and experiences, we propose a competitive price auction contract network protocol. while using the same network traffic volume as the simple auction, our strategy of second overbid competitive price auction can achieve the same effect as the traditional auction. further, we improve traditional contract network protocol, introduce constraints into message transmit, and use fell back punishment and credit when an agent cannot complete the intended task, consequently the traffic volume and the complexity of systems are considerably reduced

    文分析了現在通常採用的agent協同方法,提出於生態學和經驗的競價拍賣合同網協議,採用的選擇次高價競價拍賣策略能在與簡單拍賣相同的通信上達到類似於傳統競價拍賣的效果,對傳統的合同網協議進行改進,在消息傳播中加入約束機制和對agent不能完成任務不採取轉色重新招標而採用違約懲罰和信用機制,減少了系統的通信和系統的復雜度,最後在此礎上實現一個於fipa標準的多agent電子商務原型系統。
  5. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明,預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果,局部努謝爾數隨預旋的增大而有所減小;隨旋轉雷諾數的增加,不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低:當軸向中心進氣質,隨預旋進氣的質增加,內轉靜腔室的轉盤盤面上的換熱沒有化,而預旋腔室的轉盤盤面上的換熱效果增強;當預旋進氣質,軸向中心進氣的質的改對整個盤腔都有影響。
  6. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室的工程設計和工程施工提供參考依據。
  7. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三洲與濱海區泥沙的沉積化趨勢是一致的,各部位的泥沙沉積比例呈波動狀態,且三洲與濱海區泥沙的沉積比例與來沙密切相關,成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤; 、 5 )項研究首次論證了河口三洲岸線動態平衡的概念,並建立了黃河河口來沙與造陸面積的相關關系,得出了當河口多年平均來沙維持在3 . 45億t其河口三洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  8. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    我們還採用膠片掃描的方法測了無衍射光束的中心光斑尺寸,測了不同光闌孔徑和不同稜情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過聚焦后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析吻合。
  9. All the data were analyzed by analysis of variance of spss, and it turned out some surprising and unexpected findings, which deviated from the original hypothesis : ( 1 ) chinese non - english - majored efl learners showed multiple perceptual learning modalities, which was the similar tendency with those in traditional classroom ; ( 2 ) although there was a slight decrease of the means of six instructional learning styles, there was no statistically change of the visual, tactile, kinesthetic, individual and group learning ; ( 3 ) however, there was a significant negative shift on auditory learning style of chinese non - english - majored efl learners, which was contrary to the originally hypothesis ; ( 4 ) after being analyzed as a moderator variable, gender played a significant part in the choice of instructional learning styles among chinese non - english - majored efl learners ; ( 5 ) within the group of female or male learners, it produced significant change in auditory, kinesthetic and group learning in female students while there was no significant change of all the six learning styles in male students

    而長期以來,研究者都是從理論的度,對學習方式和計算機輔助教學進行研究,從實證度的研究乏善可陳,於此,文運用定研究的方法,著眼于調查研究計算機輔助教學對大學英語學生學習方式影響.文以重慶大學來自8個專業的353名學生為研究對象,根據他們接受計算機輔助教學的間長短分為三個組,進行問卷調查,對數據進行整理和分析,得出以下結論:大學英語學生傾向于多種學習方式;在六種學習方式中,有五種學習方式並沒有隨著在計算機輔助教學的環境而呈現顯著的化;但在聽覺型學習方式上,出現了下降;從對性別的比較中,男生和女生在幾種學習方式上具有顯著的差別;而計算機輔助教學環境對男生學習方式沒有明顯的作用,卻對女生的聽覺型,體驗型和小組型學習方式有顯著影響。
  10. In part two, the author discusses mr. deng ' s legal ideas in the course of reform in economic and political system. it also covers some new elements elicited from the practice of legal construction, such as the idea of " concentrating on economic construction on the one hand, and concentration on legal construction on the other " ; the request that conduct of the party and its leaders should be bounded by constitution and laws. furthermore, the author emphasizes the inherent link between the forming of these legal ideas and the political and economic practice of that time

    文章認為,從文革結束到20世紀90年代初這一歷史期內,小平法律思想經歷的是一個從法制思想發展運動到法治思想的過程,現代法治理念的特徵在這一思想中上都已得到體現;而在這一偉大的遷過程中,這一期的經濟和政治體制改革充當的不僅僅是代背景和活動舞臺的色,更是推動這一遷的決定力,尤其是商品經濟在中國的發展更是使得法治意識在小平法律思想中生根發芽並最終確立了無可替代的地位。
  11. Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment

    對小電流接地系統電弧故障的選線模擬是文的重點,也是一個創新點,文從研究的度,在深入分析電弧接地故障電壓、電流的特點和化情況的礎上,進行了大的選線模擬,模擬表明電弧故障,小波分析方法也能準確地選出故障線路,這對研製高性能的接地保護裝置將起到重要的指導作用。
  12. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    文對於電動力纜繩的航天器離軌過程進行了深入研究,具體工作如下:首先,文研究了電動力纜繩產生電動力拉力的原理,建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下,對電動力拉力的大小、方向、離軌間及電動力纜繩傾的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下,對受電動力纜繩作用的航天器的離軌過程進行模擬,分析了在不同精度地磁場模型下,航天器離軌過程中各軌道參數的化情況,並比較了不同模型對離軌間的影響。
  13. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜,採用三級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣函數;根據秦沈客運專線高速試驗段軌檢車資料,採用arma間序列模型模擬了高速鐵路軌道不平順隨機樣函數;在既有研究資料的礎上模擬出各種速度客車構架人工蛇行波;用隨機描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序,進行了無縫線路隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。
  14. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    研究中,首先利用於微波輻射傳輸方程的微波植被模型和積分方程( iem )模型模擬了各種地表土壤水分含情況下,植被覆蓋、地表粗糙度(包括地表均方根高度和相關長度) 、雷達入射對c波段(頻率4 . 7ghz )水平極化( hh )雷達後向散射系數的影響,在此礎上,建立模型消除了植被覆蓋、地表粗糙度、及雷達入射對雷達後向散射的影響,利用多相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分化模式信息。
  15. In this paper, the effects of the tsot structure on its heat transfer performance have been discussed by flow pattern observations and performance testing as the structure is so important to the tsot. the experiments of various structures have been done, and schemes to predict the transfer point and crisis point have been presented. the experiments of tsot ' s performance with various inclined - angels, flow rates, length ratios, and under vibration also have been carried out

    文主要針對這種熱管在體結構上的化,通過流型觀察試驗和穩態傳熱性能試驗,探討結構形式與換熱性能之間的關系,在前人研究的礎上,得出切向漩流兩相半開式熱虹吸管相應的試驗關聯式;同,在熱管傾化、長度比化、流化、熱管振動等情況下,對切向漩流兩相半開式熱虹吸管傳熱性能的影響情況進行了研究。
  16. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    文首先介紹了異步電機的數學模型,在此礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢控制的原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢脈寬調制策略。文對異步電機的矢控制與三電平逆器之間的介面進行了詳細的研究,包括:參考電壓矢的形成、所落扇區與具體小三形區域的判斷、送入逆器之後的工作機理。在參考電壓矢的合成,選擇只包含p 、 o狀態的空間電壓矢作為起始矢,解決了扇區切換的矢問題。
  17. Institutional economics is its basic theoretical clue. the institutional approach includes : transaction cost is a basic view for housing finance institutions and a certain institution follows the principle of minimum transaction cost ; financial deepenness and financial function theories are important ways to understand housing finance institution ; a systematic institutional structure of housing finance comes from the interaction of social economy, culture and politics, and institutional bundling and embeddedness are common forms ; financial structure theory is a forceful quantitative way to analyses housing finance institutions ; minimization of transaction cost is the basic motivation for institutional transformation, and the basic ways are forced transformation and induced transformation ; equity and efficiency are basic criteria for evaluating housing finance institutions, which may implement through certain institutions while government acts as leverage between equity and efficiency. ( 2 ) multiformality and transformation of housing finance

    制度經濟學是的理論線索,制度分析範式包括如下方面:交易成是考察住房金融制度的,特定的住房制度安排遵循約束條件交易成最小化原則;金融深化和金融功能理論是理解特定住房金融制度安排的重要輔助方法;整體性住房金融制度結構的形成是包括社會經濟、文化、政治等各類制度在內互相影響、平衡的產物,制度捆綁和制度嵌入是常見的形式;金融結構方法是用制度分析方法解釋住房金融制度的有力的定分析工具;住房金融制度遷的動因是交易成最小化(外部收益內部化) ,遷的方式是強制性遷和誘致性遷;公平和效率是住房金融制度評價的標準,公平和效率通過一定的制度安排可以同實現,政府在住房金融制度中起著平衡公平和效率的杠桿作用。
  18. On the basis of the principle of direct torque control, a control strategy of the grade of errors for induction motor has been proposed to improve the performance of powertrain system of hybrid vehicle in this thesis. the stator flux error, electric magnetic torque error and flux position angle are considered as control variables, and the switching states are determined by the control rules of the direct torque control

    文在直接轉矩控制系統的礎上提出了一種於誤差等級的直接轉矩控制dtc策略,它以電機定子磁鏈誤差、電機電磁轉矩誤差及磁鏈位置作為控制,然後根據直接轉矩控制原理制定控制規則來選擇開關狀態,進而提高系統瞬態的轉矩響應。
  19. To research the issues measurement models and analysis methods of power quality, we put forward an analytical opinion in this paper. following fluctuation of power system, which amends parameters deviation in accordance with fundamental component

    文通過對電能質的指標、測模型以及各種電能質分析方法的深入研究,提出了一種實跟蹤電壓波分參數的化,獲取幅值、頻率、相的實數據,修正偏差的分析思路。
  20. The landscape pattern of change on the fraction of green vegetation during this period was studied using a landscape pattern analysis program fragstats by analyzing path size, number of patches, shape metrics and landscape heterogeneity metrics to show the changing feature of landscape pattern. all of these results of indices analysis emphasize that the eco - environmental system in beijing mountain area in a whole is stable and the fragmentation and heterogeneity level in the last five years is decreasing

    文在fcdmappingmodel原理和方法的礎上,利用1994年和1999年的兩期landsattm數據,對北京北部山區昌平區、懷柔縣、密雲縣、平谷縣和西部山區門頭溝區的植被覆蓋率進行了計算,並利用fragstats軟體對其景觀化過程從斑塊大小、數、形狀和景觀異質性等度進行了空格局化的剖析。
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