無結節網 的英文怎麼說
中文拼音 [wújiējiéwǎng]
無結節網
英文
knotless net- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 節 : 節構詞成分。
- 網 : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
- 結節 : [生物學] tubercle; [拉丁語] tuber; tuberculum; plexus; protuberance; protuberantia; [拉丁語] scob...
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According to the position of encephalorrhagia, the quantity of hematoma, and to ventricular hematocele and center - line structure shift ' s existence or unexistence, the occurrence rates and case mor - talities of hypertension encephalorrhagia complicated by hemorrhage of digestive tract ( hechdt ) are respectively made comparisons among 179 patients with hypertension encephalorrhagia. the results show that : 44 out of 179 cases are of hechdt, and 37 out of 179 cases are of death ; the occurrence rate of digestive tract hemorrhage resulted from the hemorrhage of cerebral basis segment complicated by ventricle hematocele is the highest, and the sequence of the occurrence rates resulted from other position is subarchnoid cavity, brainstem, cerebral lobes, cerebellum, and within cerebral basis segment ' s hemorrhage ; the encephalorrhagia complicated by the hemorrhage of digestive tract is mainly related to the factors of ventricular hematocele, center - line structure shift, hematoma quantity etc, and its case mortality is relatively high
對179例高血壓腦出血患者,按腦出血的部位、血腫量、有無腦室積血和中線結構移位,分別進行比較並發消化道出血的發生率和病死率.結果表明: 179例中並發消化道出血44例( 24 . 6 % ) ,死亡37例( 20 . 7 % ) ;消化道出血發生率以腦基底節區出血並腦室積血為最高( 38 . 9 % ) ,其次依序為蛛網膜下腔、腦干、腦葉、小腦和局限於腦基底節區出血;並發消化道出血的病死率為50 % ,無消化道出血的病死率為11 . 1 % .腦出血並發消化道出血主要與出血溢入腦室、中線結構移位、血腫量大等因素有關,且病死率高Aiming at the practical situations of frequent accidents on mine gas and existing mine gas wire communication system needs to be improved towards wireless communication system, the paper put forward all nodes of gas sensor distributed in underground were brought into an intelligent and flexible wireless network system, so as to form a gas sensor networks system with layering and characteristic of intrinsical safety which relayed on the sensor ' s node
摘要針對礦井瓦斯事故頻發、現有礦井瓦斯監測有線通信系統急需向無線通信系統改進的實際情況,文章提出了將分佈於井下的所有瓦斯傳感器節點納入一個智能化、結構靈活的無線網路系統,組成以傳感器節點為依託的層次化且具有本安特性的瓦斯傳感器網路系統。This specific view becomes the tip of our designing ; the energy consumption has great relation with the rf module, which is breakpoint of the ebra ( energy - based radius self - adjust wireless sensor network protocol ). based on the facts between the energy consuming and the rf transferring radius, the ebra protocol is designed and implemented under the visual c + + 6. 0 ide, which switches its running mode with the energy consuming of nodes, so that meet the goal of energy saving of the nodes in wsn
本文正是從這一視角入手,根據結點能量消耗與無線傳輸發射半徑間的關系,設計並實現了一種基於能量的半徑自適應傳感器網路路由協議,使得節點能夠根據自身剩餘能量的狀況對節點的運行模式進行控制,同時對無線模塊的收發半徑進行動態調整,達到節能目的。Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering
本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上,以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線,從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上,進一步發現了信息網路所具有的一些新特徵: 1 )網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系,具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 )網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 )網路微觀拓撲結構中的存在很強的集聚性(平均聚團系數很高) 。This thesis has introduced the development of the traditional wireless sensor network and current situation at first, then analyzed the principle an framework of the wireless sensor network, and the challenge to the traditional wireless sensor network technology for environmental monitoring, put forward the novel environmental monitoring system based on wireless sensor network technology, have recommended a kind of brand - new wireless node design plan of framework of wireless sensor network and node hardware to be designed and realized, then based on ieee 802. 15. 4 standard, this thesis analysed the design faces the wireless communication protocol stack used in environmental monitoring, have introduced the realize of physics layer, data chain layer, network layer, application layer. have solved the wireless sensor network data sampling, systematic energy - conservation optimize, this thesis summarized the preceding work finally, have looked forward to the development, application and commoditization in the future
本文首先介紹了傳統無線傳感器網路的發展概況及現狀,然後分析了無線傳感器網路的原理與架構及其在環境監測對傳統無線傳感器網路技術的挑戰,接著本文提出了新穎的基於無線傳感器網路技術的環境監測系統架構設計,介紹了一種針對大氣環境監測的全新的無線傳感器網路節點的構架設計方案以及節點的硬體設計和實現,然後本文以ieee802 . 15 . 4標準為基礎分析設計了面向環境監測應用的無線通信網路協議棧,從工程角度介紹了物理層、數據鏈路層、網路層、應用層的設計實現,解決了無線傳感器網路節點的數據採集、節點互聯以及系統節能優化等問題,最後本文總結了前面的工作,展望了基於無線傳感器網路技術的環境監測系統在未來的發展方向和應用方式等幾個方面的發展遠景。Routing and wireless resource management combining solution scheme in multi - hop wireless network is studied in this thesis, one distributive working scheme combined routing and wireless resource management is prompted and applied in eplrs communication network with the multi - hop wireless networking mechanism. that solves the high dependency on network controller and delay issue effectively, and satisfies the system ’ s communication business need
本論文對多跳無線網路中路由與無線資源管理相結合的解決方案進行研究,提出一種結合路由與無線資源管理的多跳無線通信網路分散式工作方案,並將多跳無線網的組網和此工作方案應用在eplrs通信網路中,有效地解決了eplrs網路集中式管理造成的高度依賴網控節點和時延問題,滿足了系統的通信業務需求。Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory
對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有功功率損耗和電壓的模糊區間值,使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論相結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損率和節點電壓最大偏移量最小的最優運行狀態。Ktr is a dynamic wireless routing protocol based on the tree structure. the complicated topology of wireless network is abstracted to a tree structure in ktr while the dynamic routes are created on the basis of discovery and maintenance of neighbor relationships and mobile users " positions
協議以無線移動自組織網際網路的兩級網路體系結構為基礎,將復雜多變的無線網路拓撲抽象為核心樹結構,將動態路由的產生建立在對節點的鄰居關系和對移動用戶的位置關系的發現和維護之上。The mastering of complete technologies in enclosure structure, structure system, waterproof and energy - saving for buildings, guarantee of environment quality, etc of buildings ensures our advantages in competitions of industrial, civil or environmental projects
公司在建築的圍護結構、構造體系,建築防水、建築節能、管網體系、環境質量保障等成套技術的掌握,使我們無論在工業、民用、環保等建築工程項目的競爭中保持著優勢。In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented
本文根據異步電動機直接轉矩控制原理,在應用人工神經網路進行速度辨識的基礎上,利用遺傳演算法對神經網路速度辨識器進行了優化設計;運用遺傳演算法對pid速度調節器的結構和參數進行了整合;在採用模糊神經網路對電機定子電阻辨識的基礎上,進行了定子磁鏈及轉矩的觀測,為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了條件。The main results are as follows : 1. dynamical behavior in coupled map lattices with regular topology are investigated by using lyapunov componet. 2. dynamical behavior in coupled map lattice with scale - free topology are investigated in detail. our strategy is to apply three feedback control methods, including constant feedback and two types of time - delayed feedback, to a small fraction of network nodes to reach desired synchronous state
本論文正是對具有無標度拓撲結構的耦合映象格子的動力學行為進行了研究,主要內容和創新點如下: 1 .利用lyapunov指數對具有規則網路結構的耦合映象格子系統的動力學行為進行研究; 2 .對具有無標度網路結構的耦合映象格子系統的動力學行為進行了詳細研究;為了使系統達到同步,我們的策略是應用三種反饋方法(常數反饋和兩種時延反饋)對系統的部分節點進行控制以達到我們期望的狀態。Wireless mobile ad hoc network is composed of mobile terminal nodes with wireless communication device, and typically characterized by its temporariness, multi - hop and no - center. it has an infrastructureless distributed mufti - hop structure ; all nodes have an equal status and act as two roles - router and node itself
無線移動adhoc網路是由一組帶有無線通信收發裝置的移動終端節點組成的一個多跳、臨時、無中心網路,網路中各個節點的地位平等,每個節點都具有主機與路由器的雙重功能,形成了一個以中間主機節點為中繼的、多跳的分散式網路結構。Finite volume method can deal with irregular boundary conditions. in this paper, we discrete the water domain into triangular meshes, and simulate dam breaking, water droplets. the same as finite difference method, we just specify waves source, the movement of water waves can be simulated automatically
有限體積方法能夠處理具有不規則邊界水域的水流現象,在本文中,我們把求解的水域離散成無結構三角形網格,對潰壩問題、雨景等水流現象進行了模擬,和有限差分方法一樣,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由數值方法產生,不需要人工的干預。Apon is a passive optical network where atm is adopted to transmit broadband and narrowband cells via the sdh frame structure. the service node interface is stm - n. the statistical multiplexing feature of atm enables a concentrated transmission of broadband services in apon
Apon是在無源光網路中採用atm傳送技術,利用sdh幀結構傳送各種寬帶和窄帶業務的信元,業務節點介面採用stm - n介面。Many advantages make optical fiber suitable used as transmission medium of high - rate broadband services, such as broad transmission band, large capacity, low loss, strong immunity to interference etc. among optical access network, passive optical network ( pon ) is paid more attention throughout the world. it offers easily upgraded and low cost of lay, ope ration and maintenance. especially passive optical network based on atm ( atm - pon ) integrates the capability of supporting multiple qos services with atm and transparent transmission with pon
在光纖接入網中,無源光網路( pon )由於不採用有源節點、敷設和運行維護成本低且成本共享、對業務透明、易於升級等優點而備受世界各國的關注,特別是以atm為基礎的無源光網路( atm - pon ) ,由於結合了atm多業務、多比特率的支持能力和pon的透明寬帶傳送能力,將成為實現未來寬帶接入乃至最終實現ftth的重要方式。In view of the resources request technology in the resources localizing process, this article has further analyzed it and proposed a kind of new resources request technology for structureless p2p network
針對資源定位環節中的資源請求技術,本文進行了較為深入的分析研究,提出了一種新的無結構對等網資源請求技術。The merit of this technology is that it may effectively reduce the instantaneous impact which the resources request message of the structureless p2p network point causes to the current capacity of the local network and the consumption of the point ’ s own resources in consequence of the message request transmission
此技術的優點在於,可以有效地減少無結構對等網節點的資源請求消息對局部網路流量造成的瞬時沖擊,並降低因發送資源請求消息造成的對節點自身資源的消耗。The integration of wireless acceleration sensor for structural global monitoring, the integration of wireless strain sensor for structural local monitoring, their corresponding network ’ s topological strucuture, the network ’ s communication protocol, saving energy and the network ’ s experiments are studied systemly, the main contents include : 1. for strucutal global monitoring, the electronics components are compared, anlysysed and seleced. on this base, the design modulization method is used for designing and debugging sensing disposal module, micro - processing module, wireless transceiver module and power module, and thus a wireless acceleration sensor node with digital interface is integrated using the above modules
本文在充分研究傳感技術、信號處理技術、無線通信技術的基礎上,針對土木工程結構整體性態監測的無線加速度傳感器集成、結構局部性態監測的無線應變傳感器集成以及相應的無線傳感器網路拓撲結構、網路通信協議、網路能耗處理、網路試驗等問題進行了系統的研究,主要研究內容如下: 1 .針對結構整體性態監測的需要,從設計的小型化、低功耗、低成本、高可靠性角度出發,對相關電子器件進行了比較、分析、選擇;在此基礎上,採用模塊化設計方法,對傳感處理模塊、微處理模塊、無線收發模塊以及能源模塊分別設計、調試,進而集成了基於數字介面的無線加速度傳感器節點。Based on the idea of contention reservation access and polling transmission, user - dependent perfect - scheduling multiple access ( upma ) protocol is presented, which supports both node mobility and multi - hop network architecture. it improves channel utilization greatly and guarantees that a node accesses the channel rapidly
基於有效競爭預約接入、無沖突輪詢傳輸的思想提出了在無線adhoc網路中支持節點移動性和多跳網路結構的依據用戶妥善安排的多址接入( upma )協議。Along with r ka albert, we have used computer simulations and calculations to show that a growing network with preferential attachment will indeed become scale - free, with its distribution of nodes following a power law
艾伯特與我透過電腦模擬與計算出來的結果顯示:具有優先連結的特性並且持續成長的網路,確實會變成無尺度網路,而且其中節點的分佈將符合冪次定律。分享友人