模間耦合器 的英文怎麼說

中文拼音 [jiānǒu]
模間耦合器 英文
inter-modal coupler
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. 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動態擬的蒸發數學型,為系統擬奠定基礎; 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 )對蒸發正常運行過程,運用動態分佈參數和參數定量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動態特性的影響即蒸發性能對各參數變化的敏感性; 4 )編寫翅片管蒸發動態特性擬計算程序,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,實現對翅片管蒸發在干、濕和霜工況下的動態擬。
  2. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值擬方面,應用三維湍流n - s方程以及顆粒軌道型描述了激光燃燒室內部的噴霧兩相燃燒流動過程,兩相之的質量、能量交換由液滴蒸發型計算,氣相化學反應速率由arrhnius公式計算,通過求解氣液兩相型方程,擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  3. With the viewpoint of dynamic and distributed parameters and parameters qualitatively coupled, computing modules of evaporator, gascooler, internal exchanger are programmed. in addition throttling valve and compressor are programmed. following are the main points of this thesis

    本文從製冷系統擬的角度,用動態分佈參數及參數定量的觀點考察了蒸發、氣體冷卻和回熱,編制了各個部件相應的計算程序。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光的閾值、輸出功率和斜效率的表達式,並簡述了激光的工作原理、結構型式和倍頻方法;其次,以空相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光的設計方法,給出了一定泵浦方式下,振蕩光尺寸、最佳輸出率、泵浦光尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡小功率ld泵浦nd : yag激光和透鏡組高功率ld泵浦nd : yag激光,對激光的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光以單縱運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. Based on the guidemode characters of dark spatial soliton waveguides and the theory of coupling between two waveguides, a kind of steerable all - optical directional coupler using dark spatial soliton waveguides is suggested

    摘要基於空暗光孤子誘導波導的式特性以及光波在波導理論,提出了一種實現光控可變定向的方法。
  6. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上,系統、深入地分析了共焦掃描顯微成像的機理,論述了應用單光纖的激光共焦掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單光纖激光共焦掃描顯微成像系統的總體方案;從理論上推導分析了解析度要求與試驗系統中相關件主要參數之的關系,分析了系統效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描(振鏡)非線性問題的新方法,能夠實現較為理想的二維擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  7. The research is focused on the influence of the size of the coupling port, coupling line and the capacitive metal rods in cutoff waveguide on the gap impedance

    研究結果表明:隙腔連接截止波導段的口的尺寸主要影響輸出腔的外觀品質因數,而接頭的粗細和電容性銷釘的大小和插人深度對截止波導濾波的調諧具有重要影響。
  8. The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model

    其中信號處理電路主要完成採集輸出電流和中直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過件直接驅動ipm塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm塊過熱等。
  9. The loosely coupled event model provided by com supports late - bound events or method calls between the publisher and subscriber and the event system

    Com +提供的松事件型支持後期綁定事件或發布服務和訂閱服務的方法調用,同時還支持事件系統。
  10. On the base of model, considering the disturbance from the other 5 legs and variating load, we design an h - inf controller integrated with ip controller, which makes the system with the advantage of both h - inf control and ip control, and restrains the bad effect from variating disturbance. the simulation shows that this stradgy enhances the system robustness. in another solution, the coupling and load disturbances are regarded as the parameter variations of motor model, and the variation is observed, thus, the coupled dynamics of vamt is decoupled to 6 single motor systems

    在建立了型的基礎上,本文針對單滑塊控制系統要受到其它滑塊及負載擾動的影響,採用h _控制方法設計的h _控制與傳統ip位置控制,使得系統具有ip位置控制和h _控制的雙重優勢,有效地抑制了變化擾動對位置輸出的影響,擬結果表明該方法大大提高了系統的魯棒性;本文提出的另一種方案是將桿作用和負載擾動看作電機參數變化,利用觀測進行觀測,從而將的機床動力學系統解成為6個獨立的電機動力學系統。
  11. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解與轉矩控制問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與轉矩電流分量之的解,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用塊和高精度的數字信號處理應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。
  12. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地擬了人類視覺系統;然後,結信息傳遞和信息特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融演算法,能夠將多個傳感獲取的同一目標的圖像信息融到一幅圖像中,有效擬了人類視覺系統;另外,結pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於式分類中,提出了基於神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡擬及運動方向檢測。
  13. According to the requirements of real - time simulation, this thesis build the independent models of missile weapon systems for numerical simulation considering the independence and coupled relations of physical subsystems or parts and try to reduce the coupled degree. the main content of this thesis include : firstly, the missile weapon systems are divided into several subsystems according to function, and the interface protocols between subsystems

    本文針對實時擬的要求,以具有清晰的物理概念和足夠的物理獨立性的物理系統或部件為基礎,充分考慮導彈各子系統塊的相對獨立性和性,盡可能的降低程度,建立整個導彈武系統的型,用於導彈武系統的數字擬。
  14. Electroacoustics - simulators of human head and ear - an interim acoustic coupler for the calibration of audiometric earphones in the extended high - frequency range

    電聲學.人頭和耳.在超高頻范圍內測聲耳機校正用歇聽力
  15. En60318 - 2 electroacoustics. simulators of human head and ear. part 2 : an interim acoustic coupler for the calibration of audiometric earphones in the extended high - frequency range

    電聲學.人頭部和耳朵的.第2部分:在擴展高頻范圍內校準測聲耳機用的歇聲音
  16. These rules are based on the extraction of all parasitic parameters of the layout and device modeling, including transition behavior, high frequency characteristics of the different materials, and electrostatic couplings to printed circuit board ( pcb ) conductors and to the ground

    這些規則是基於抽取pcb的敷線和型的所有寄生參數而建立的,寄生參數的抽取考慮到了瞬態行為,不同材料的高頻特性, pcb不同導體和各導體對地的靜電
  17. Moreover, by using the idea of graph theory, this paper constructs the electronic equipment structure graph and its “ dual graph ”, and electromagnetic topological model used to analyze the interaction of the different electrical components is presented

    進一步借鑒圖論的思想,構造出電子設備結構圖及其平面圖的「對偶圖」 ,並由此建立了多層電磁屏蔽條件下分析系統電子件之相互的電磁拓撲型。
  18. The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made

    第三,對速調管同軸線濾波寬帶輸出迴路進行研究和探索,設計出了一個適用於l波段多注速調管、相對帶寬超過14的四隙腔加載同軸線濾波輸出迴路,並對其穩定性和峰值功率容限做了一些分析。
  19. Based on this arithmetic, the high frequency characteristics of five - cavity with open boundary is calculated by the code written in fortran language. then the transit effect of five modes of five - cavity with open boundary is also calculated using code mathcad and matlab. the results show that the working mode of five - cavity transit tube oscillator is 3 / 6 mode, and the analysis of the theory are in good agreement with the simulation results

    根據從基於四腔渡越時效應的自調制出發,經過一段飄移,然後再採用雙隙提取腔邊輸出高功率微波的思路,採用粒子擬方法優化設計出一種峰值功率為1 . 5gw ,頻率為9 . 3ghz的六腔渡越輻射振蕩,並研究了它的一系列工作特性。
  20. To illustrate the superiority of this type of transition, the author adapted the local normal mode ( lnm ) based on couple - mode theory to explain the coupling between two lowest order modes along the transition. for the two important parameters, propagation constants difference between the two modes apy and mode coupling coefficient cy, which denoting power coupling between lnms, the approximation expressions using structure parameters were worked out. then the author compared three typical different transitions according to the demanding of power coupling, at last concluded that the parabolic - type transition can transport the light in shortest length with lowest loss

    對于表徵局部標準功率的兩個重要的參數_ ( ij ) (式傳播常數差)和c _ ( ij ) (系數) ,推導了用件結構參數表達的近似公式,然後根據功率的需求,在常見的三種不同輪廓的過渡區之進行了比較,得出了拋物形輪廓過渡區能夠使光束在最短尺寸內以最低損耗通過波導的結論。
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