集總特性 的英文怎麼說
中文拼音 [jízǒngtèxìng]
集總特性
英文
lumped characteristic- 集 : gatherassemblecollect
- 總 : Ⅰ動詞(總括; 匯集) assemble; gather; put together; sum up Ⅱ形容詞1 (全部的; 全面的) general; o...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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In order to offer reference to integrated application of species for tamarix l. in china, this paper discussed the taxonomy, biology and physiology characteristics of tamarisk, reviewed the research advances on investigation, identification and evaluation, collection and storage of germplasm resources of tamarisk l., and summarized genetic breeding, seeding seedlings, cutting seedlings and tissue culture of tamarisk l. so as to put forward the direction of innovative research and application based on indicated problems in research of germplasm resources of tamarisk l
摘要為了為檉柳屬植物的綜合開發應用提供參考依據,文章論述了檉柳屬植物的生物學和生態學特性,綜述了我國檉柳屬植物種類的資源調查、鑒定評價、收集保存及引種育種情況,總結了國內檉柳播種育苗、扦插育苗和組織培養育苗的研究現狀,指出了檉柳屬植物種質資源研究方面存在的問題,提出了檉柳屬種質資源創新研究和開發利用的建議。The modern technology give a chance for the pattern of transmitting knowledge with network, the course based on network have opened up it ' s way in china, our pursuer paid more attention to the mode, but in america, pursuer have studied the more width aspect, thereinto the investigation and design of the information in the course based on network is very important, for the design of the information decide the pattern how the student receive the information, which will effect the way of knowledge understanding and memory, and the way is related to the study pattern, so the design of the information in the course based on network is very important to the efficiency and effect. so the core of the paper is the investigation and design of the information in the course. i have the entropy from the information science as the analyse tool to analyse the information, these work tell us the efficient pattern to transmit information, based on the result, i design the net page, of course, study theory and the character of the net itself are also the factors i employ for design a good net page. then, links and navigation is constituted for students adapt to the course based on network
當今技術的發展給知識以網路為媒介來傳播的學習方式帶來前所未有的機遇,網路課程在國內迅速開展起來,但是國內研究者的注意力主要集中在對網路課程模式的探索上,放眼國外,他們的研究觸角已經涉及到網路課程比較細致的方面,尤其是對網路課程信息的研究構成了國外網路課程研究中的比較重要的一個方面,而網路課程中信息的設計是重要的,因為信息的組織設計是為了接受者能對信息進行有效的信息加工,信息的呈現模式影響著學習者對知識的理解和記憶方式,進而決定了學習者的學習模式,因此網路信息的設計在網路課程傳遞的效率和效果中就佔有很重要的位置。基於這個觀念,本文把網路信息的組織設計作為研究的重點,引入了信息科學作為研究的主要工具對網路中的信息作以量化分析研究,主要應用了信息科學中信息熵的公式進行推導,得到學習內容信息組織的基本模式,並充分利用網路自身特性和學習理論對知識信息進行細致的設計,此外還對鏈接和導航信息進行了設計,在網路課程的適應性方面作出了努力,把交互信息與輔助學習信息的分析設計與應用和對網路頁面信息的總體調節優化作為主體信息設計部分的補充,最終形成了網路信息組織設計的方案,力求創設一個能夠有效傳遞知識信息,減少網路自身弊病,並帶有一定適應性的網路學習環境,也使更多的網路課程的設計者關注網路信息這個因素。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。The dynamic model of misaligned rotor - bearing system equipped with a flexible laminated membrane coupling was developed by using the method of lumped parameter in this dissertation, and the dynamic behavior, such as the nature characteristics, stability, steady state response of the system, etc. was analyzed based on the theory of linear vibration
本文根據集總參數法建立了膜片聯軸器耦合的不對中轉子?軸承系統的動力學模型。基於線性振動理論分析了系統的固有特性、穩定性和不平衡響應。According to the addressed characteristics of swarm intelligence, the significance of which to the research of complex systems is summarized from multiple aspects, including revealing the operational mechanism of general complex systems, hastening the research of the complexity of human brain, advancing the innovation of organizational management modes, and promoting the development of the intelligence science
進而根據文中闡述的群集智能特性,從多個方面概括總結了其對復雜系統研究的意義,包括揭示復雜系統的運行機制、促進人腦復雜性的研究、推進組織管理模式的創新和提升智能科學的發展水平。Chinese glasses retail trade has developed for many years, and have already formed a bigger glasses of specialities sale company, but because of a competition characteristic in the glasses market and the intensive degree of market is not high, causing the famous - brand scope of the enterprise in the trade not big, and the overall occupation rate of market is not high. there are a large number of medium and small - scale companies in the market, because of the extremely high gross profit rate, so long as it is appropriate to manage, and still has a chance of development
中國眼鏡零售行業經過多年發展,已經形成了許多較大的眼鏡專業銷售公司,但由於眼鏡市場本身所具有的競爭特性,市場集約程度不高,造成行業中的名牌企業規模不大,總體市場佔有率不高,在市場中有大量的中小型公司,由於極高的毛利潤率,只要經營的當,依然存在發展的機會。We propose in this paper an evaluation method for the transient performance of das, through the period signal, by utilizing the much smaller difference than sampling period between the multi - periods of signal and the multi - sampling periods, getting shorter equivalent sampling period ( i. e. higher equivalent sampling rate ), which is derived from input signal period and sampling period, and then, the problem that how to get the transient performance of das has been solved. the transfer function of das is then evaluated and identified, and practical test results are also presented
本文介紹一種方法,通過對其加載特定的周期性輸入信號,使用采樣周期的整數倍和信號周期整數倍間的微小偏差,獲得比實際采樣周期小得多的等效采樣周期,從而解決了數據採集系統瞬態響應特性的獲取問題;並進而獲得了數據採集系統傳遞函數的辨識和評價結果,實現了數據採集系統瞬態特性的總體評價。The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts
通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的,目前在總流量的測量中主要使用的是渦輪流量計,由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律,影響測量精度,此外,普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難,為此,一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。( 3 ) a lumped parameter model with 18 parameters to represent luncher is proposed. ( 4 ) the characters of machine gun system ' s firing dynamics are simulated in the linear way and nonlinear way
針對機槍射擊過程中人體抵肩的作用特點,提出一種18參數的集總參數人體抵肩模型,以全面考慮人體力學特性的隨機性和射手的多樣性這一客觀情況。From the results, we can know that, the key way to raise the inductor quality factor and self resonance frequency is to less substrate eddy current loss. the simple model can accurately equal to each parameter on integrated inductor
由模擬結果可知,提高集成電感品質因數與自諧振頻率的主要途徑是要減小襯底的渦流損耗,其簡約集總模型可較為精確的等效集成電感各埠電氣特性。A system scheme of digital image collection plus spread spectrum communication ( abbreviated as ssc ) is presented in this paper after a full analysis of noise characteristics, attenuating characteristics and impedance characteristics of low - voltage power lines
本文首先介紹了低壓電力線的噪聲特性、衰減特性和阻抗特性,然後提出一種數字圖像採集+擴頻傳輸的系統總體方案。They are kernel knowledge of distributed multidatabase too0 then, based on a reasonable classified frame of schema collision, the paper probes into the strategies realizing schema integration and query decomposition using the good " low coupling, high cohesion " characteristics of component ; and then, a improved model of federal database architecture is designed exerting the virtue of independence and assembly of component <, at last, i had completed the work of developing a demo for the integration of audit information systems with the helps of others, which proved that the improved model of federal database architecture is practicalo
我在提出一個合理的模式沖突分類框架的基礎上,探討了如何運用組件技術的低耦合、高內聚的良好特性來實現數據模式集成和查詢分解的策略;同時,運用組件技術的獨立性和可裝配的優點,設計了一個改進的聯邦數據庫體系結構模型。最後,在上述理論的指導下,本人與協作者完成了湖南省審計廳信息集成原型系統的設計和開發,總體上證實了改進后聯邦數據庫體系結構模型的可行性。Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present
具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼重力壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統;實現了對漫灣水電站運行狀態的動態「反演-預測」分析; 4 )利用漫灣水電站砼重力壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。The compute model of shafts of the machines is built by adopting concentrated mass method. taking into account the different support conditions of the shafts that workshop is considered as rigidity or elasticity ; the natural characteristic and unbalanced response of the shafts are computed by integrating with high stable riccati transfer matrix method
採用集總質量法對機組軸系建立了計算模型,並結合穩定性良好的riccati傳遞矩陣法,分別考慮機組軸系的支撐基礎(廠房)為剛性、彈性兩種情況,計算了機組軸系的自振特性、軸系的不平衡響應。Cellular automata was applied to solve mechanical problem of plane truss, and the feasibility of which was discussed in this article. the characteristic of cell and the way of dividing cell were studied while presenting a program and its frame chart. the work load of the new method was not much because it neednt form a partial differential set or a general finite element robustness matrix. numerical computing results show that the new method has a rapid speed of convergence to nodal displacement and internal force of element, so it probably has a good prospect in solving solid mechanical problems
嘗試用細胞自動機作平面桁架力學分析,探討了該方法的可行性.給出元胞的劃分方法和特性,列出計算框圖並編制了相應的程序,由於不必形成結構的偏微方程集或有限元的總體剛度矩陣,計算工作量小.算例表明,該方法對結點位移和桿內力的收斂速度均較快,是一種分析固體力學問題有前景的新方法Industrial automation systems and integration - product data representation and exchange - part 49 : integrated generic resource : process structure and properties
工業自動化系統和集成.產品數據表示和交換.第49部分:集成類屬總源:流程結構和特性First, it introduces the network control center of beidou satellite and the beidou satellite locating navigational system, which are the background of design and implementation of web service, and the function and status of web service in system. then, it totally analysis the identity and structure of web service, and expound several technologies of web service : the first is xml which is the base technology, the second is wsdl which is the interface description language of service, the third is soap which is communication and message transferring of service, the fourth is uddi which is the description, discovery and integration of service
首先,對webservice的設計實現所在的系統背景? ?北斗衛星定位導航定位通信系統和民用網管中心進行簡要介紹,以及webservice在系統內的作用和地位;然後從總體上分析了webservice特性、體系結構,並闡述了幾種webservice的相關技術:第一,核心技術xml ;第二, web服務描述語言wsdl ;第三,服務組件的通訊和消息傳遞協議soap ;第四,服務組件的描述、發現和集成協議uddi 。Up to the present, the dampers " analytical models at home and abroad are the models with constant differential coefficient parameters. their key parameters depend on experiment testing. therefore, they are n ' t becoming to forecast the absorbers " characteristic
國內外至今所建立的減振器分析模型,基本上都是集總參數模型,其關鍵的模型參數很大程度上依賴于實驗測定,不適用於減振器特性的預測分析。Firstly, i introduce the hardware and software platform of embedded system, and explain the basic hardware and software development, it ’ s a cooperate process. then i analyse the cross development method for embedded system, mentioned the “ host ” and “ target ” in the development of an embedded system. take e - book project as an example, follows the process to introduce a real embedded system project, including the mcu, periphery hardware and the integrated development environment which can provide the whole platform for an integrated development on the pc - - wb33. then i present 3 of the hardware of e - book. for lcd, i introduce the common feature of lcd, the ssct lcd as well as the design, actualize of its driver. for the rs232 serial port, the principle of the serial port and the main driver of it are introduced. for flash memory, i introuce the principle of nor flash and nand flash, and how their drivers implemented. in the end, the conclusion of this paper is generated, there is also a prospect for further research
以一個實際的嵌入式開發項目? ?電子閱讀器為例,按照項目開發流程,介紹了包括項目所使用的微控制器mcu及片內周邊電路;項目所使用的基於mcu的集成開發環境? ?能在pc機上提供完整集成開發的平臺wb33 ,使用它可以很方便的在pc機上模擬目標機的環境。詳細介紹了電子閱讀器的三個底層硬體:對項目中採用的ssctlcd的特性以及其驅動的設計和實現的過程進行了詳細介紹;對rs232串口驅動,介紹了接收端即電子閱讀器端實現串口驅動介面的主要函數;對flash閃存驅動,分別介紹了norflash和nandflash的原理以及它們的驅動實現。最後,對全文給以總結,並對以後進一步的研究做出了展望In this thesis, a single disk rotor supported by two rolling bearings is used for studies, and a new method of reducing the vibration is proposed. the main works of this thesis are as follows : based on the comparison of various control methods for vibration suppression, a kind of passive electro - magnetic damper is presented. the structure of it is similar to that of the active magnetic bearing
為了降低轉子的振動,增加系統的穩定性,本文在總結當前國內外學者研究的基礎之上,提出了被動式電磁阻尼器的概念,並確立了本文的研究目標和研究方法:以工程應用為背景,結合轉子動力學理論、電磁學理論以及數據採集技術,以理論輔以實驗的方法,對被動式電磁阻尼器特性進行深入研究。分享友人