耦合開關 的英文怎麼說
中文拼音 [ǒugěkāiguān]
耦合開關
英文
coupling switch-
Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Those research results will be applied on some important civil engineering such as china national high level radioactive waste deposal, energy storage project, the deep exploitation of petroleum and gas, and the construction of the exceed deep and exceed long tunnel of “ south to north of water ” project
開展大型材料模擬試驗技術、節理巖體三場耦合理論和關鍵試驗技術的研究,為國家高放廢物處置、能源戰略儲存、石油深層開采、南水北調西線超深超長隧道營建等重大工程服務。Accurate simulation of switch circuit is needed in pin switch design, while limited by assembling techniques, serial resonance and channel inter - coupling exist in the common joint that bring a lot of difficulties for simulation. 2 - dementions simulation software can not establish accurate circuit mode for pin diode switch which gives simulation error, and it costs much more time with 3 - dementation simulation software, which is not applicable in practice for pin switch design
Pin開關的設計中需要對開關電路進行準確模擬,然而高頻、寬帶、多擲pin開關受裝配工藝的限制,開關公共結點附近存在著串聯諧振和相互耦合,給pin開關的準確模擬帶來了困難:二維模擬軟體很難對電路進行準確建模,模擬誤差較大;三維模擬軟體耗時過長,難以在實際設計中應用。On - off intermittency route to chaos synchronization and spatial periodic synchronization of chaos in coupled arrays of chaotic systems
耦合混沌系統中開關間歇性同步途徑趨于混沌同步及空間周期性混沌同步Overhauls shan zhu, pt, ct, the coupling condenser, the gw6 switch - knife gate special - purpose service kit
檢修單柱pt ct耦合電容器gw6型刀閘開關的專用檢修工具Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。The whole thesis was made up of seven parts. the first part provided the background, significance and aims of this research ; the second part briefly reviewed the progress and the trend of the researches about the relative fields at home and abroad, then concluded that the present researches were mainly focusing on mineral cities and the qualitative description of mineral economics, which lack in quantitative analysis and utilized models ; the third part defined mineral region according to two indexes, and discussed the theoretical basis of the economic sustainable development of mineral region ; the fourth part systematically analyzed the current situation of the economic sustainable development of huangling county, emphatically discussed the coincidental relationship between mineral exploitation and economic development as well as the reasons for the recession of mineral economic ; the fifth part, drawing on the experience of transforming industry and renewing economic in mineral cities ( region ) at home and abroad, put forth the foundation train of thought of the economic sustainable development huangling county, and programs and smocks the economic development of huangling county using the method of systematic dynamics, presented the model of the economic sustainable development of counties by comparative analysis of three plans ; the sixth part provided some policed suggestion and measure for the economic susta inable development of huangling county
全文分為七個部分:第一部分:提出研究的背景、意義與目的;第二部分:簡要回顧了國內外相關領域的研究進展與趨勢,指出當前研究主要集中在礦業城市與礦業經濟的定性描述,缺少定量分析和應用模型;第三部分:依據兩組指標界定礦業區域,探討礦業區域經濟可持續發展的理論基礎;第四部分:對黃陵縣域經濟可持續發展現狀進行系統分析,重點探討了礦產資源開發與經濟發展的耦合關系及其礦業經濟衰退的原因;第五部分:在借鑒國內外礦業城市(地區)產業轉型與經濟新生經驗的基礎上,探討了黃陵縣域經濟可持續發展的基本思路,並運用系統動力學方法對黃陵縣域經濟發展進行規劃與模擬,通過三種方案的對比分析,提出縣域經濟可持續發展模式;第六部分:黃陵縣域經濟可持續發展的政策建議與措施;第七部分:主要結論及進一步研究的問題。The key process of the algorithm, called nodes transforming to arcs, is based on the calculation loads of coupling nodes and arcs loads from the loads of switch nodes. getting the area of coupling nodes is the most important process in nodes transforming to arcs. this paper presents a new method , which uses the adjacency matrix of distribution network and the information matrix of
變結構耗散網路是一種新的配電網自動化演算法,由配電網開關頂點負荷求弧負荷和耦合頂點負荷的點弧變換是整個演算法中確定配電網饋線故障區域的基礎,而進行點弧變換的關鍵就在於分離耦合點區域。In the process of maintaining and upgrading 8410 icp direct reading spectrometer, maintaining and adjusting of - 145 v switching power supply of icp high frequency generator are often required
摘要在維修和改造8410型電感耦合等離子體直讀光譜儀過程中,經常需要對icp高頻發生器中的開關電源進行維修和調整。The homogeneous state control equations with mechanic electric heat coupling effect of piezoelectric thermoelastic open shell is derived by uniting the static equilibrium equations, the charge displacement equilibrium equations and thermal flow equilibrium equations
依據此增維的本構關系,結合壓電熱彈性體平衡方程和熱平衡方程,成功地導出了壓電熱彈性體層合開口殼機、電、熱耦合問題的齊次狀態方程。Computer simulation to switching characteristics of nonlinear wave - guide couplers
非線性波導耦合器開關特性的計算機模擬In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d
為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響,並進行滲流應力耦合作用下巖石破裂機制的研究,本文基於細觀損傷力學和biot經典滲流力學,建立了巖體損傷非線性本構方程和滲透率關系模型,開發出巖石破裂過程滲流-應力耦合分析系統( couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ) ,拓寬了原有程序rfpa2d的研究領域。Beginning form relation of basin - mountain, the tectonic evolution and the petroleum system and pool - forming process have been studied with the integration of structural physics modeling, balance profile reversion and other new testing technology. the main innovative achievements of the dissertation can be summarized as following : 1. on the basis of comprehensive analysis of yanqi basin relationship to tianshan orogenic belts, it was suggested that kuluketage faulted - upheaval was an aulacogen in early paleozoic, which undergone multiple opening - closing along with tianshan orogenic belts, and suffered extensively compressing in late hercyhian cycle and formed a " v - type " thrust - fold belt
論文總的指導思想是以現代石油地質理論為基礎,以整體、動態、系統、綜合分析為原則,以成盆?成烴?成藏研究為主線,運用正、反演相結合的殘留盆地油氣成藏系統評價思路,採用構造物理模擬、平衡剖面復原和多種測試新技術,從盆山耦合關系切入,研究含油氣系統成藏要素及其相互作用過程,探討油氣成藏主控因素和油氣分佈的有序性,取得如下創新性成果和認識: 1 、系統分析了焉耆盆地形成演化與天山構造帶的關系,提出盆地南側的庫魯克塔斷隆在早古生代為一大型裂陷槽,之後隨著天山構造帶的演化,經歷了多次開合運動。Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not
非線性定向耦合器( nldc )是用在光網路中的光開關器件,它主要用在全光網路中, w . s . man等研究過基態孤子在nldc中的傳輸控制,便於對全光網路中數據的正確傳輸,由於目前研究集中在100fs的超短脈沖傳輸特性上,顯然基態孤子的特點不再適用於超高速網路; maryj . potasek等就超短脈沖在nldc中的自耦合做了研究,在光網路中自耦合任意性太大,不利於控制脈沖的傳輸。Quasi - symmetric coupled quantum well and optimal design for optical switch structure
準對稱耦合量子阱與光開關結構優化設計According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式;光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電,確保了主迴路與測試迴路的完全隔離;單片機測控部分採用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數據; pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口,可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發,信號由單片機發出,控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理,軟體部分又可分為單片機和pc機程序設計兩大部分。The optical switch with double - heterostructure gaas / gaalas has low switching - voltage and light loss. and the boa - type optical switch utilizes maximum modal dispersion ( a p ), does not require a specific fabrication length or length range to operate, has simple structure, and can exhibit very high extinction - ration from its two output ports ; so it is suitable for a 2 x 2 unit of optical switch array
而boa型結構(或稱為零間隙定向耦合型)光開關利用了最大的模色散( ) ,不需要嚴格控制特殊的製造長度或製造范圍,結構簡單,從其兩個輸出端可以得到很高的消光比,是一種很好的2 2波導型光開關單元,同時也是光開關陣列的一種較好的選擇。In the dissertation, the study on carbon fiber reinforced concrete ( cfrc ) and plain concrete has been reviewed. then mechano - electric effect of cfrc and plain concrete, its mechanisms, the interaction among mechano - electric effect, piezoresistivity and seebeck effect, the electrical circuit model of concrete based on mechano - electric effect, electromagnetic emission of concrete, the mathematical model of mechano - electric effect are investigated. also the converse effect of mechano - electric effect of cfrc and plain concrete, that is, electromechanical effect, and the interaction between electromechanical effect and electrothermal effect of cfrc are examined
本文對碳纖維混凝土和素混凝土機敏性的國內外研究現狀進行了全面的評述,在大量實驗分析的基礎上,系統地研究了碳纖維混凝土和素混凝土的力電機敏性,研究了力電效應機理、力電效應與其它效應(壓阻效應、塞貝克效應等)的耦合關系、基於力電效應的混凝土電學模型、混凝土電磁發射現象、混凝土力電效應的數學模型等;論文同時對混凝土和素混凝土的電力效應、碳纖維混凝土電力效應與電熱效應的耦合關系等進行了探討;最後開展了基於力電效應的機敏混凝土結構應用研究。In the knowledge structure and identification kcd, the underlying mechanism between knowledge structure and competitive advantage is analyzed from four dimensions : the scope dimension, the depth dimension, the uniqueness dimension and that oriented to different npd capability components, according to which the diversified knowledge community and knowledge overlapping strategies are suggested
在基於知識的結構及識別的耦合部分,論文從人才知識的廣度結構、深度結構、特質性結構、面向不同產品開發能力要素的知識結構四方面分析了知識的結構與競爭優勢的關系,提出了多樣化知識群落和知識重疊等對策。With the plane wave representation of the green ' s function, the second - order scattered coefficients are divided into two components related to the coincidental waves and the anti - coincidental waves, which are dependent on the relationship between the single scattered field and its conjugate
通過將格林函數做平面波展開的方法,二階散射系數分解成與同向波和反向波有關的兩部分,同向和反向分別是按單次散射場和其共軛場的耦合方式而劃分的兩種不同情況。分享友人