首選節點 的英文怎麼說

中文拼音 [shǒuxuǎnjiédiǎn]
首選節點 英文
preference node
  • 首 : Ⅰ名詞1 （頭） head 2 （首領） leader; head; chief 3 （表示方位） aspect 4 （姓氏） a surname Ⅱ動...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 節 : 節構詞成分。
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 首選 : first choice
  • 節點 : [電學] panel point; hybrid; packing; node; nodal points; joint of framework; pitch point; point pitch
  1. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。
  2. The innovations of this thesis can be summarized into three points. firstly, the average relative velocity is introducd into a novel adptive weighted clustering algorithm as one important parameter of weight, then it increases the stability and self - adaptability of cluster head. secondly, a new approach to calculating weight is suggested by integrating subjective and objective factors. it is verified by comparison with other approaches to selecting weight. thus the velocity of weight responding to the changes of network topology is increased. finally, using a som neural network to create a classifying model enables every node to learn to identify by itself the role in manet

    本文的創新點有三個:首先本文在wca和aow分簇演算法的基礎上，引入了平均相對移動速度作為權值重要的參數，提出了一種新的基於權值的自適應分簇演算法，提高了簇頭在移動中的穩定性和自適應性;其次，提出了利用主客觀綜合賦權法確定權重的權值計算方法，通過與其他權重選擇方法比較，網路結構變化的權值響應速度得到了改進;最後，論文利用自組織特徵映射神經網路建立分類模型，使得網路中的節點可以自學習地確定簇中角色。
  3. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  4. My thesis has three parts : in part 1, i briefly introduce the background of the selected title, the goal of research and research meaning of this text. i mainly study the concept, the theory putted forward by the economists about the reason causing economic fluctuation and the macroeconomic control to economic fluctuations. in part 2, i regard chinese economic cycle as the observing object, using the traditional method and economic mathematical model to measure and analyze chinese economic cycle systematically since the reform, then i study the nature, characteristic and main influencing factor of chinese economic fluctuations since the reform of 20 years

    本文的研究工作主要由三部分內容組成：第一部分首先簡要介紹了本文的選題背景、研究的目標和研究意義，然後重點考察了經濟周期的概念、各國經濟學家解釋經濟周期發生原因的一般理論以及經濟周期波動的宏觀調控等內容；第二部分主要以改革開放以來中國經濟周期波動為研究對象，運用傳統方法和經濟數學模型對這一時期中國經濟的周期波動進行了詳細、系統地測定，並考察了改革以來中國經濟周期波動的性質、特徵以及主要影響因素；第三部分重點分析了中國經濟波動的真正原因及其傳遞機制，並在前文研究的基礎上，依據「反周期」理論探討了對中國經濟周期波動進行調節的基本思路和對策。
  5. First, it gives a snapshot of some typical self - organized routing protocols in manet. then the design of self - organized routing algorithm based on ktrp is elaborated as the main part of this dissertation, including the choosing of key nodes, the main algorithm modification of ktrp to accommodate with the interior routing in subnet, the access flow between two layers, primary packet formats, tables, and ip routing algorithm. at last, the simulation model of the self - organized routing algorithm

    本文首先分析了現有的manet自組織路由協議;然後針對本信息傳輸分系統的網路結構，詳細分析了基於ktrp的子網內部以及相鄰層間的自組織路由演算法的設計，包括對多個關鍵節點的選取、為適應本課題子網內路由通信而對ktrp做出的主要演算法更改、相鄰層間接入互連的流程、自組織路由演算法中涉及的主要報文格式和表，並且舉例說明了ip選路演算法;最後對所設計的自組織路由演算法進行了模擬，以驗證演算法的有效性。
  6. When the elastic design method is used, the paper proposes the recommendation that designer can not consider second - order effect on structural internal force, but must consider the effect on drift computing, and also gives a simplification method for calculating the second - order drift. base on above research achievements and referencing current design codes and research documents, this text has done overall discussions on the elastic design method, the chief works includin

    基於前面的研究成果，參考現有各國鋼結構設計規范和已有的研究文獻，本文首次對鋼結構錯列析架體系的彈性設計方法作了全面的探討，主要工作包括材料的選用、構件截面形式、構件彈性設計方法、連接節點設計和構造詳圖、組合樓蓋的設計、栓釘剪力連接件的設計。
  7. After contrasting and analyzing the two common used measure method of discontinuity, a modified method that is elaborate method of joint surveying is put forward for the first time. rational method to get spacing of joints is researched utilizing lots of statistical results. according to the theory of minimal valid length of scanline, 5m is chose as appropriate statistical section length to obtain the successive values of those indices indicating rock mass structure, they are spacing, number and total length of joint

    本文在對比分析目前兩種常用的結構面測量方法優缺點基礎上，首次提出了一種改進的結構面測量方法?節理詳細精測法，並利用大量的統計結果，研究合理的間距取值方法，根據間距無偏差測量的最小有效測線長度理論，選擇5m作為統計區間長度，獲得了節理間距、條數、總長度隨洞深的連續變化值。
  8. Then the center ' s track equation of the circular cutter which was used to manufacture the cam was presented. for the problem of designing on combined cam mechanism which follows the given track, typical nodes in the track were selected at first. then the spline interpolation method was employed to plot the smooth track

    針對實現特定軌跡的凸輪一連桿組合機構設計問題，文中首先選取軌跡上有代表性的節點，採用樣條插值法繪出光滑的軌跡曲線，進而具體分析從動件的位移、類速度、類加速度，最後對凸輪-連桿組合機構進行設計。
  9. Based on mr. zhang zhengyou ’ s plane template two - step method, three aspects of improvements have been made. firstly, tangential distortion adjustment is added into the camera imaging model. secondly, after the detailed research aiming at the step of computing the initial guess of camera parameters, some improvements are made within the corner selection and computation

    從三個方面對張正友的平面模板兩步法作了改進:首先，在攝像機成像模型中增加了切向畸變校正;然後針對計算攝像機參數初值環節進行研究，在角點選取和計算方法上作了改進。
  10. It contains almost the whole substance of building construction, such as material and structure, heat preservation, fireproof, antiseptic and building installation. as a new conception - health house, which is specially aimed at technical study of steel structure residential building, is putted forward in the thesis

    涉及平面空間組成、結構選型、墻體材料及構造節點、保溫節能措施、防火防腐以及設備管線排布等幾乎設計建造的全流程內容，並首次提出專門針對鋼結構住宅各技術層面的有關健康住宅的設計理念和技術要點。
  11. The main idea of our algorithm is to avoid choosing nodes with lower residual energy as cluster - heads, thus to ensure balanced energy - usage among the nodes in the network

    演算法通過綜合考慮候選節點的剩餘能量級、通信能量損耗等參數來優化簇首的選擇，從而有效地避免了低能量節點被選為簇首的可能性，進一步保證網路內節點能量負載的均衡性。
  12. This scheme can avoid the emergency of orphan effectively, and gives a good solution when the node isn ’ t available. the protocol we design is named as soptt, which is shorted as “ self - organize protocol of tree topology ”. the layer of application we design can gather and send data, realize the function of data fusion to avoid the potential communication congestion so that the communication will be more effectively

    該協議解決了節點路由的建立和重建，還可以根據節點剩餘電能的情況智能選擇簇首節點，並且有效地避免了孤兒節點的產生，對于節點失效的情況也能夠很好處理;在應用層，基於智能樓宇溫度監測應用環境，設計並實現了採集發送數據的程序，使得採集、發送數據的頻率符合應用需要，並且提出了數據融合的思想，以避免可能發生的通信擁塞，同時也達到了通信的高效性。
  13. First of all. it has a brief analysis of environment ( domestic and oversea ), points out the challenges and opportunities confronting the aid - the - poor program by tourism in southwest of china, puts forward its polestar, five concepts including comprehensive view, systematic view, harmony view, open view and innovation view and six basic principles including sustainable development principle, the tenet of the aid - the poor principle, government leading principle, market mechanism principle and local characteristics principle, gives rise to general hints, which are oriented by the tenet of the aid - the - poor program and through tourism development, mainly explores its six key joints including conception establishment of appt ; target identity and spot - positioning of appt : scientific tourism programming : tourism resource development and management : effect measurement of appt : summing up experiences and generalize the new mode and five general modes, which comprise mode of developing agriculture industry together wit h tourism industry ; mode of tourism places to aid the poor ; mode of non - local allocation ; mode of government aid and support ; mode of the initial rich to help the poor and so on

    首先，對我國西南地區旅遊扶貧所處的國內外環境做了簡要分析，指出了其所面臨的機遇與挑戰，提出了其指導思想、應樹立的「全局觀、系統觀、協調觀、開放觀和創新觀」等五大觀念和應遵循的「可持續發展、扶貧宗旨、貧困人口參與、政府主導、市場機制和地域特色等」六項基本原則、給出了以「扶貧為宗旨，以旅遊開發為途徑」的總體思路、重點探討了其「旅遊扶貧觀念確立、旅遊扶貧目標識別與選點定位、旅遊規劃、旅遊資源開發與管理、旅遊扶貧效果測評、總結經驗，推廣模式等」六個關鍵環節和「亦農亦旅、景區幫扶、異地安置、政府扶持與先富助貧」等五個一般模式。
  14. 2. ga optimized bp neural network first, selected function for evaluating. second, used matlab toolbox to design ga ( chosen selection methods, crossover type, and mutation probability ). ga could get rid of redundant node and branch effectively from bp network, and optimized it

    （ 2 ）遺傳演算法優化網路首先確定評估函數，再利用matlab提供的遺傳演算法工具箱進行演算法設計（確定選擇方法、交叉類型、變異概率等） ，剔除網路冗餘節點和分支，實現對bp網路的優化。
  15. Moreover, the paper compiles a decision tree - making program by camm algorithm in matlab in order to compare with the clustering. regard the history fault data of gear case as specimen, at first the information gain of every decision property is calculated at current decision point and the decision property which has the greatest information gain is selected as the decision point. then the assembly is subdivided according to the value of its decision property. delete the groups whose degree of support for sort property classification is less then the designated value

    以齒輪箱歷史故障數據為樣本，首先從當前決策節點計算每個決策屬性的信息增益，選擇具有最大信息增益的決策屬性作為決策節點，並根據該決策屬性的取值將該決策屬性所在集合分成若干個子集，濾掉所有子集中對類別標識屬性的分類支持度小於指定的最小支持度的元組，重復該過程直至生成決策樹。
  16. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then ， a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable ， in conventional analysis and design of steel structures ， it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design ， but cannot precisely reflect structural practical circumstance and the errors of calculating results are large ， even ， get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 ， 10 ) ， however ， it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper ， at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring ， base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法，供規范使用過程的補充、延伸或參考；同時，也將促進半剛性連接鋼框架設計技術的發展，為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型，在分析比較的基礎上，選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型，通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知，經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度，根據梁的轉角位移方程推導出半剛性連接的剛度矩陣，在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響，並對固端力進行了修正，最後用增量迭代法編制有限元程序進行計算和分析。
  17. Introduction : first player to enter the game options menu here can adjust some of the information related to the game, running the upper right of the player representatives of bad people will use the figures appearance, need only click on the bottom of both sides of the arrow can hold switch, select one of their favorite image

    玩家首先進入的是游戲的選項菜單，這里可以調節一些游戲的相關信息，右上方跑動的小人代表玩家即將使用的人物外形，只需要點擊下方的兩側箭頭就可以進行切換，選擇一個自己喜歡的形象。
  18. The object of this thesis for a master ' s degree is to study the existence of seasonality effect in shanghai and shenzhen a - share market. we use the return data of a - share indices ranging from july 21st, 1997 to the end of year 2000 to study this effect by employing five different asymmetric garch - m models. before the garch analysis this paper studied the detail in very detail and find that the data is not much different from the index returns from developed market : it is fat tailed, with high kurtosis

    本研究首先對選取的樣本? ?中國的上海和深圳兩個股票市場a -股綜合指數1997年7月21日到2002年12月31日間1316個交易日的收益率的數據分別進行了深入的分析，發現滬深兩市已經逐步趨于規范化，其指數收益率分佈具有明顯的尖峰、厚尾的特點；然後分別運用了ljung - boxq檢驗和增廣的dick - fuller檢驗，發現所研究的兩個市場的收益率都具有明顯的自相關性，並且都是穩定序列；最後利用white異方差檢驗和arch性檢驗，證明了本文所研究的樣本具有明顯的異方差性和顯著的arch效應，因此用自回歸條件異方差模型來研究中國股市的季節效應非常合適。
  19. Therefore, author not only pay attention to key distribution protocol research and implementation, but also attend to build up a wsn simulated application structure. choosing aodv routing protocol as under - communication protocol, combining data integration, cluster selection, cluster building and other techniques, author intend to realize wsn low - consuming network communication by various measures

    因此在本文中作者不僅對密鑰預分配協議進行實現，更模擬建立了一個無線傳感器網路實際應用的虛擬環境，選擇aodv路由協議作為低層通信協議，融入數據融合技術，簇首節點選擇和簇結構生成等技術，以達到低功耗安全通信技術探究與實現的目的。
  20. The article have devoted the energy to study how to plan logistics nodes and have got some research results or some advises for the planning of nanking logistics node. firstly, it have predicted the quantity of the demand for logistics about fives years. secondly, the essay have preliminary researched the program of the nodes according to the quantity. then, we have analyzed the method of program, the proposal of the address, the size of the nodes and so on in detail. lastly, the essay have got the planning scheme which is to organize the logistics nodes into an organic integral

    依據系統工程和物流工程的相關理論，首先預測出南京市未來五年內的物流需求量;然後以此預測量為主要依據對南京市物流節點的規劃設計進行了初步探討，並詳細分析了物流節點規劃方法、選址方案、節點規模的確定;最後提出了以三大物流基地為一體、功能互補的物流節點規劃方案。
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