象散器 的英文怎麼說

中文拼音 [xiàngsǎn]
象散器 英文
astigmatizer
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Astigmatic optical resonator

    光諧振
  2. To utilize hydraulic soil evaporimeter and supporting meteorology, radiation, the materials on the surface water evaporation, considering the influence of each factor of " soil - plant - atmosphere " system on soil evaporation, we set up calculating model of the soil evaporation which is suitable for the heilonggang region

    利用水力式土壤蒸發及其配套的氣、輻射、水面蒸發儀觀測資料,綜合考慮「土壤植物大氣」系統中的各個因素對土壤蒸的影響,建立了適于黑龍港流域的土壤蒸量計算模型。
  3. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離滑模控制時,必須針對速度環(即位置環的控制對)的參數攝動范圍採用「對參數攝動離滑模控制的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  4. After analysising the theory and characteristics of the corba and mobile agent technologies, the paper brings forward firstly a kind of mobile agent architecture - coma, and gives the solution to coma ' s asynchronous transfer, concurrent control, naming, location and intelligence mechanism in detail. furthermore, aiming at making up the flaws of the application servers based on corba in distributed group environment and solving the problem of object ' s remotion on the corba server, the paper proposes a kind of corba architecture based on mobile agent - maorb, discusses naming and transparent transfer of mobile agent in a maorb system in detail, and gives a reasonable improvement method

    本文在分析了corba和移動agent這兩種分式技術的運行原理及其特點之後,首先提出一種應用於協同環境下的移動agent體系結構coma ,並詳細給出了coma的異步遷移、並發控制、命名和尋址,智能化機制這幾個關鍵技術的解決方法。進而,為了彌補單純的利用corba技術來構建分式集群環境中應用服務的不足,解決corba服務端對的可移動性問題,本文又提出了一種基於coma的corba體系結構maorb ,詳細討論了maorb系統中移動agent的命名和透明遷移以及corba和coma的結合度問題,並給出了合理的解決方案。
  5. With the appearance of component object mode, it is possible to realize the multi - tier application system, which can easily handle the problems appeared in the 2 - tier architecture, such as poor maintainability and security, high cost, weak retractility and so on

    組件對模型的出現使多層的分式應用系統成為了可能,從而較好地解決了兩層客戶端/服務結構中存在的維護性差、安全性差、運行成本高和不可伸縮等問題。
  6. The globalization has become the seedbed for terrorism which accompanies the globalization all the way : it accelerates the difference between the south and the north, the polarization of the wealth ; hastens the conflicts of different cultures and religious beliefs ; speeds up the promotion of high technology and advanced weapon technology, which modernizes the terrorist ’ s weapons ; places the western countries under the stress of shifting their development priority to the east, as a result, worsening the “ modernization frustration ” situation in underdeveloped countries. america ’ s short - sighted behaviour may be the remote cause for the wild

    全球化成為滋生恐怖主義的新溫床,恐怖主義是全球化的一種伴生物:全球化加劇了南北差距和貧富分化;全球化促進不同文化、宗教觀念的沖突;全球化加速了高科技的普及與先進武技術的擴,使得恐怖手段日益現代化;全球化使西方發展模式「東移」的壓力和速度加大,使發展中國家出現「現代化挫折」現加劇;美國缺乏遠見的作為是全球化進程中的恐怖主義泛濫的重要誘因。
  7. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感、變送及相關介面單元所構成的二級集控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。
  8. Conventional optical phase retarders are mostly designed by birefringent material. the refractive indices depend on the wavelength so strongly that the retardation is close to wavelength, here we call this dependent relationship the birefringent dispersion of material. this is the reason why conventional optical phase retarders are mostly applied to a single wavelength but ca n ' t be used to varied wavelength, so they are inconvenient to handle

    常規的光相位延遲是由雙折射材料製成的,由於材料的雙折射率同波長密切相關,使其產生的相位延遲量也同波長具有嚴格的一一對應關系(即材料的色) ,因而常規相位延遲片多用於單一波長,不同波長之間使用不可兼顧,這在使用中帶來諸多的不便。
  9. The 00 ( object - oriented ) technique of standard template library with ansi / iso c + + is used in designing the program, and the dynamic access mechanism and the startup with zero content are realized by using the specialization and inheritance object of vector template class as the data container which can change the content itself according to the number of discretization node data of a computing practicality. so, the fact that the use of the static ems memory which is not necessary is avoided

    在設計面向對有限元程序中運用了基於ansi isoc + +標準模板庫( stl )的技術,以向量模板類的特化繼承對為變容量數據容,實現了可按計算實例的離結點數量動態存取數據的機制和數據容的零容量啟動,從而避免了運算時系統對靜態內存空間的超量佔用。
  10. The matlab language and c language were applied to simulate the fixed - point dsp arithmetic of equalizer algorithm. the simulation result indicated the diveragence phenomenon would happen to adfe ( adaptive decision feedback equalizer ) based on rls algorithm under the fixed - point finite - precision arithmetic

    採用matlab和c語言模擬均衡定點dsp演算法的實現,模擬結果表明rls演算法的自適應判決反饋均衡( adfe )在定點有限字長運算的情況下存在著發
  11. Finally, we design the next generation comparison - purchasing system, shorten as ngcps. this system combines web technology with distributed object computing technology, and extends the three - tier b / s architecture. dcom is used at the server side and the soap is adopted for conimunication across internet and ~ resentation of web service

    本文基於上述研究設計了下一代比較購物系統( ngcps ) ,系統集成了web技術與分式對計算技術,並對三層b s體系結構進行了擴展,即服務端環境採用dcom模型,跨internet的訪問和web服務的展示採用soap協議。
  12. Under the background of the research work - " expert system of hydraulic brake system design for saloon car, small and medium passenger car " for nanjing yuejin automobile group, in this paper, a set of special cad software for vihicle brake was developed in which the researchful object was brake, . the cad supporting software was pro / engineer and the developing language was vb. the project of discreted brake was raised and 3d graphic parametric library of typical parts and assemblies was established. 3d solid modeling and parameter - driven between dimensions and relations were accomplished using pro / engineer

    本文以南京躍進汽車集團的橫向課題「轎車、中小型客車液壓制動系設計專家系統」為背景,以制動為研究對,以pro engineer為cad支撐軟體,採用vb語言,開發了一套汽車制動專用cad系統;提出了制動化方案,構建了參數化的制動典型零部件三維圖形庫,使用pro engineer實現三維實體造型以及尺寸與關系的參數化驅動;圖形庫系統採用參數化圖庫引用、管理機制並擁有一個開放的擴充介面;研究了pro engineer二次開發模塊pro toolkit ,解決了同步模式下定製程序界面的問題,並實現與pro engineer的通信;建立了制動過程數學模型,推導了制動方程式並給出相關解法,編制了制動數值模擬分析程序;構建了制動設計資料庫。
  13. Compared with traditional cluster, the cooperative - type - cluster has carried the sync net packets from all real server ’ s network cards to director and set up a priority queue of sync net packets for dmcs, then it has transmitted them through the cooperation of nodal servers and directoer, it has made that the nodeal server lost efficiency suddenly or automatically joined or broke away from the cluster not influence the whole system ’ s normal running again ; meanwhile, it can avoid reducing handling capacity even appearing phenomenon of “ living locking ” in high load

    與傳統集群相比,合作式集群從各真實服務端網卡報文隊列中分離出請求報文移至負載均衡端,建立針對分式測控系統的請求任務報文優先權排隊隊列,通過節點服務與負載均衡合作進行報文轉發,使得節點服務突然失效或自動加入脫離集群不再影響整個系統的正常運行;同時,也能避免在高負載下處理能力降低甚至出現「活鎖」的現
  14. Hence analysis and design of nonlinear sampled - data systems has been, in recent years, a subject of growing interest in the international community of control research. when a continuous - time plant is controlled using a digitally implemented controller, it is often faced that a continuous - time plant is transformed into its equivalent discrete - time model. a digital controller is usually designed on the base of approximate discrete - time models of the continuous - time nonlinear systems because it is difficult to obtain the closed form of the exact discrete - time model for nonlinear control systems

    利用計算機等一類離控制裝置來控制連續時間的受控對時,都會遇到把連續時間系統化為等價的離時間系統的問題,通過采樣和保持來實現離時間的采樣控制,對于非線性連續受控系統,由於連續系統的時間離化后一般得不到其等價的精確離化模型表示的有限形式,實際上由其近似離化模型代替來設計控制,而近似會引起信號失真,那麼基於近似離化模型上設計的采樣控制,它是否同樣對原連續受控系統有效
  15. Based on the vector radiative transfer theory and the characteristics of the sar technology, several sub - models for rice backscattering are constructed, including the leaf scattering model, the leaf extinction model, the trunk scattering model, the trunk extinction model and the water reflection model. then an integrated model for the first - order scattering mechanisms of rice, including all the main physical processes, is achieved

    針對合成孔徑雷達sar的技術特點,以水稻為研究對,從矢量輻射傳輸理論vrt出發,通過模擬水稻主要官稻葉和稻桿對電磁波的射衰減作用等物理過程,建立了一套完整的水稻一次後向射作用的物理模型,用以模擬水稻層的後向射系數
  16. Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently

    本文在考慮催化轉化載體內發生的傳熱傳質現的基礎上,建立了催化轉化的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化的化學反應模型:當催化轉化處于化學動力學控制區時,引入了考慮吸附、表面反應和脫附的表面化學反應速率公式,當催化轉化處于質量輸運控制區時,引入了決定外擴能力的擴系數公式和和決定內擴速率的內擴系數公式,並與化學反應速率相耦合,得出由擴過程決定的化學反應速率公式。
  17. The keystone of the thesis is the development direction of web technology, that is b / s mode has developed from two - layer structure to three or more layers. the thesis takes the financing plan search management system of some insurance and investment company for example, puts emphasis on discussing the solution of sybase enterprise web, distributed and c / s application, and introduces at length the whole application procedure of the object component of using b / s mode which uses jaguar cts developed by java as the component server and powerdynamo as the application server

    本文重點介紹了web三層乃至n層(包含對組件技術)模式的發展狀況,以信託投資公司的資金計劃查詢管理系統為例,採用了sysbase企業級的web分式開發環境sybaseeastudio ,詳細介紹了運用b s模式的對組件技術、用純java開發的jaguarcts作為組件服務、用powerdynamo作為應用服務的全部實現過程。
  18. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵技術進行了研究:掌握了鈦寶石激光的調節和維護技術,較深入地研究了飛秒激光脈沖產生的機理,其中對群速色、自相位調制、自鎖模等問題進行了詳盡的分析;總結了超短激光脈沖的測量技術,重點研究了干涉自相關測量法;在總結展寬類型的基礎上,對無差展寬進行了理論計算、優化設計,提高了展寬倍數;深入論述了脈沖列的選單問題,熟練掌握了脈沖選單技術。
  19. According to the standard of can agreement the message agreement for the system has been designed. whose design thinking and its realizing way of the three kernel parts ( can kard ^ can oriented object and field communicatioan interface moudule ) in the system have been given. it is applied by the oriented subject technigue, and through the analyses of ststic characteristic, and dynamic characteristic of the equipment, the configuration tool category has been gotten to complete the configuration to equipment

    系統通過傳輸介質把監控中心和現場通信介面模塊掛接在can總線上,組成一個控制局域網路,從而實現對各種在線通信電源設備的分控制、統一管理;根據can協議的規范設計了系統的通信協議,給出了系統中三大核心部分( can適配卡、 can中繼和現場通信介面模塊)的設計思路和實現方式,並給出了相關硬體電路的結構框圖以及軟體設計流程圖;運用面向對技術,通過對設備的靜態特徵和動態特徵的分析,得到其組態工具- -類,完成對設備的組態。
  20. Abstract : hybrid finite analytic method ( hfam ) and staggeredgrid are applied to calculate the line buoyant jets in cross flows. the phenomenon and development of end - vortex are simulated successfully and the influences of diffuser length and buoyancy on turbulent buoyant jets are analyzed

    文摘:本文利用混合有限分析法及交錯網格,對橫流中有限長線源型浮力射流進行數值計算,成功模擬了端渦現及其發展過程,並分析了擴長度及浮力對湍浮力射流的影響。
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