數元組模態 的英文怎麼說
中文拼音 [shǔyuánzǔmótài]
數元組模態
英文
mode byte-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。Fsmail adopts and implements the asynchronous event driven mechanism, with all those network i / o operations in the server working under the non - blocking style ; accomplishes object - oriented heap with the dynamic array, adapted to any type of data ; adopts the multi - queue scheduling mechanism based on a fsm, easily to fulfill the extentions of delivery funtions ; fulfills the non - blocking domain name resolvement mechanism and the caching of the resolved results ; implements the non - blocking user database management and the caching of the user data recently accessed ; uses the unified memory pool management, avoiding the memory leakage and improving the performance of the fsmail server ; lastly, implements the log management server based on the c / s mode, eliminating the inconsistency of the logging metadata and being adapted to any kind of application logging
Fsmail採用並實現了異步事件驅動機制,所有網路i o的實現使用了非阻塞方式;以動態數組實現了基於面向對象的堆隊列,屏蔽了堆數據的非一致性;使用了基於有限狀態機的多隊列郵件調度機制,為后續版本的擴展性提供了良好的介面機制;服務器內部實現了非阻塞的域名解析機制,並實現域名地址緩存;實現了非阻塞的用戶數據庫管理模塊,並實現用戶數據緩存;使用了統一的內存池管理機制,既防止了內存泄漏,又提高了服務器的性能;最後,還實現了基於c s模式的日誌管理服務器,屏蔽了日誌數據元的非一致性。This thesis analyzes the mutual, complemental and fit relationship between technology 、 the corporate supply chain and organizational structure of a corporation in a comparably systematic and complete way based on the mode of integrated management by reviewing, analyzing and summarizing relative references. based on practical definitions of the concepts and variables appearing in the analysis of the relationship, investigative papers have been designed and possible development situations of technology 、 the corporate supply chain and organizational structure of different enterprises have been described in the way of determining the nature. by the statistics and analyses of the investigative papers, relativity, with the method of multi - linearity - regress analysis, and by investigating enterprises " performance in different dimensions and establishing a math mode of the relationship between
本文在企業一體化管理模式的基礎上,通過文獻資料法對相關文獻進行回顧和總結分析,較系統和全面地論述了企業技術與組織結構、組織結構和供應鏈之間存在的互動、互補和匹配關系,對這一關系中的概念和變量進行操作化定義,設計出三者對應的指標體系的調查問卷,定性描述在不同企業的技術、組織結構和供應鏈的發展狀況,通過對調查所得問卷進行統計分析,運用相關性分析和多元線性回歸分析等方法,實證調查企業在不同維度狀態下的績效,建立企業技術、組織結構、供應鏈與企業的績效之間關系的數學模型,證明企業技術、組織結構、供應鏈和企業績效存在一定的相關性,企業技術、組織結構和供應鏈三者之間的匹配關系可以影響和預測企業的績效,只有當企業的各影響因素之間相互匹配的時候,企業整體運做的效率和效果將最好。Pressure sensor and hygrothermograph sensor are adopted respectively to sense these change ; a plc and its analogue cell are adopted to collect and analysis the data ; a mcgs component software is used to process and store the data in real time
給出了以壓力、流量和溫濕度傳感器為測量元件、以plc為主控制器、 plc模擬單元為數據轉換單元的詳細硬體設計、程序設計和組態軟體mcgs在上位機的運用。Secondly, in order to make a deep analysis of c2 system structure, the author made the fire cell and aerial command control centre into the c2 organization nodes, then import into the information flow to analyze the c2 organization network, through which the author constructed a linear programming model to analyze the time consumption of c2 organization. based on object petri network ( opn ), the author also analyzed the c2 organization reconstruction process
其次,為了深入分析c2系統結構,將火力單元和區域指控中心作為c2組織節點,引入信息流因素對支持網路化作戰的c2組織網路進行了建模分析,以c2組織的時效性作為目標函數提出了c2組織的一種設計模型,並研究了通過對象petri網對防空網路化作戰中的c2組織動態重組的建模方法。1. comparing reservoir beds in details step by step, we have divided and compared the deposition time unit in guan 3 - 6 sandstone bed sets, which has been divided into 20 small beds, 30 time units : rebuilding oil sandstone body data table, building graph database, further analyzing the level and section plane configuration and combination pattern of sandstone, and deducing the maze reservoir geology model of river sandstone, are the most important basis for oil reservoir description and residual oil distribution study
1 、採用儲層逐級細分對比方法,對館3 - 6砂層組進行了沉積時間單元的劃分對比,共劃分出20個小層、 30個時間單元;重新編制了油砂體數據表,建立了圖表數據庫,並進一步分析了單層砂體平面、剖面形態以及砂體組合模式,總結出河道砂體屬迷宮式儲層地質模型,這是精細油藏描述及剩餘油分佈研究的最重要基礎。Firstly, the dissertation tells something about lonworks technology, the lontalk protocol, the peer - to - peer communicaton etc. secondly, it lucubrates s - 2000 control system based on lonworks, including the design method of the system, the key technology, the characteristic of the intelligent node, the i / o property, the structure of intelligent block, the neuron chip, the design of the data acquisition node and so on
本文首先闡述了lonworks技術及其特點,總線系統所採用的lontalk協議, peer - to - peer對等通訊,基於lonworks總線網路通訊協議系統等。然後對基於lonworks總線的s - 2000控制系統進行深入研究,重點研究系統的設計方法和關鍵技術,智能節點的特點,輸入輸出特性及智能模塊分析, neuron晶元的分析研究,以及數據採集節點的設計,數據採集控制軟體,組態軟體的設計原理等方面。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained
本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法,對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究,得到了大量重要結果。The math - model and dynamic characteristics of 300mw unit are discussed. 2
系統討論了國產300mw單元機組協調控制對象的數學模型及其動態特性。Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system
以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統,具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型,模型既簡單,又有足夠的工程應用精度,為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。According to the finite element method result, the parametric vibration of cables in cable - stayed arch bridge becomes prone to be exhibited. then a model of non - linear parametric excitation vibration coupling the stayed cable and the girder, namely, the mode of cable - stayed beam, is proposed in the thesis. and the nonlinear dynamical
3 、首先利用有限元分析方法,得出了斜拉索發生參數共振的可能,然後建立了斜拉拱橋拉索-橋面耦合參數振動模型,即索-梁組合結構模型,推導了索-梁組合結構非線性運動方程,利用多尺度方法研究斜拉索的參數共振和亞諧波共振,並對穩態解的穩定性進行了分析。According to the analytical method of sub structure, we combine the finite elemental model of different parts and process the combining surface parameter to build the finite elemental model of the system. using the ansys software, we carry on the finite element mode analysis to get the natural frequency and shaking type
根據動態設計的子結構分析方法,將上述系統主要部件的有限元模型組合併分析處理結合面參數構成系統的有限元模型。利用ansys有限元分析軟體,對系統進行有限元模態分析,確定系統的各階固有頻率和振型。Considering the local nonlinearity of the rotor - bearing system, a systematic dimension reduction method is applied in this paper for low - pressure rotor - bearing of the 200mw turbine set system. the model of the rotor - bearing system is established by fem ( finite element method ). the fixed - interface component mode synthesis procedure is applied to significantly reduce the dimension of the system
本文針對200mw汽輪發電機組低壓轉子?軸承系統,採用了一種系統的降維分析方法:利用有限元方法建立了轉子?軸承系統的有限元模型,然後利用固定界面模態綜合法顯著地降低系統的維數。The six methods are as follows : the supperposition method, the state space method, the complex mode method, the direct integral method, the numerical method for solving the initial - value problem of first - order ordinary differential coupled equations with constant coefficients, and the time domain finite element method
這六種方法是:振型疊加法、狀態空間法、復模態法、直接積分法、一階常微分方程組初值問題的數值解法和時域有限元法。( 2 ) the finite element program ansys is used to analyze the elastic buckling of rectangular tube, consequently the buckling load pcr and the simulating formula for the restraint coefficient &, is obtained. the results derived from the program are compared with the british standard and china standard
( 2 )採用有限元程序ansys對矩形鋼管板組進行了彈性屈曲分析,得出其臨界荷載p _ ( cr ) ,彈性屈曲模態與解析法所作假設相符,並擬合出均勻受壓下的矩形鋼管約束系數k _ 1的公式,並與英國規范和我國規范進行比較。As in nature, the network function is determined largely by connections ( weights ) between elements, so that a particular input leads to a specific target output. the cores of backpropagation neural network are the capacity of parallel computing, distribute saving, self - studying, fault - tolerant and nonlinear function approximating. input vectors and the corresponding target vectors are used to train a network until it can approximate a function, associate input vectors with specific output vectors, or classify input vectors in an appropriate way as defined by you
人工神經網路是一類模擬人類神經系統的結構,他揭示數據樣本中蘊含的非線性關系,大量處理單元組成非線性自適應動態系統,具有良好的自適應性、自組織及很強的學習、聯想、容錯和抗干擾能力,在不同程度和層次上可模仿大腦的信息處理機理,可靈活方便的對多成因的復雜未知系數進行建模。On the model of the optimum design, it ' s proceed modal of fea ; with the superior design, structural vibration period is studied for providing the theories calculation of construction engineering ; calculating many load cases, some parameters are given and provide the beneficial datum for actual engineering. the research in task evinces the construction cost can be reduced by optimize design and has good dynamic characteristic. optimum technology has a better project applying value in structural design
並在優化設計模型的基礎上,對其進行模態有限元分析;研究其在最優設計條件下,結構自振特性問題,為工程結構的動力分析提供理論計算依據;同時對剛架進行多工況荷載組合抗震計算,得出地震作用參與荷載工況組合時,各設計參數間的關系並得出結論,為實際工程設計提供有益的參考資料。Disparate combinations in western and eastern civilizations have brought about such varied patterns of relationship as integration of state and society, submerge of society into state, primary separation of state and society as well as binary opposition of state and society with the resultant that two absolutely different ruling systems, by morality and by law, have ever come into existence
種種變數的組合使東西方歷史上出現過國家復合社會、國家監護社會、國家吞併社會、國家與社會二元分立抗衡等不同形態,由此導致了德治和法治兩種截然不同的制度模式。一般而言,制度的形成是社會自然演進的產物。分享友人