望傳信器 的英文怎麼說
中文拼音 [wàngzhuànxìnqì]
望傳信器
英文
lookout telegraph-
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。Since the late 1990s the information extraction on web tables was probed into study, and at present, all the research on it is still quite preliminary. according to the technology studied at present, there are two methodologies. one is based on wrapper, which is a traditional methodology used in ie area and inherently highly web source or domain specific and always non - reusable. the other one is based on table structure recognization, which is mainly study in this thesis. the focus of this thesis is to investigate a methodology which is domain - independent and can adapt more web source to recognize table structure
從當前的研究技術上看，主要有基於包裝器（ wrapper ）和基於結構識別兩種方式。前者是傳統的信息抽取方法，對頁面結構的依賴性強，可重用性差;而後者則是本文研究的重點。本文旨在希望通過研究一種具有空間適應性和領域獨立性的表格結構識別技術，使應用程序能夠達到理解表格的目的，從而將其應用在web表格信息抽取領域。The total structure and working principle of the intelligentized photoelectricity fire control system which is made of the aiming telescope, image sensor, laser ranging engine, code device, decoding computer, display device etc were presented
摘要介紹了瞄準望遠鏡、圖像傳感器、激光測距機、編碼器、解算計算機、圖文信息顯示裝置等組成的智能光電火控系統的總體結構和工作原理。With dramatic advance and wide application of the internet and information systems, we can easily attain large quantities of data that is also in rapid increment daily. thereby it becomes impractical to handle these data manually. we wish that computers can automatically process these data and extract potentially useful knowledge from them to help us arrange managements and make decisions
隨著網際網路和信息系統的迅猛發展和廣泛應用，人們可以輕易地獲得海量的數據，並且這些數據還在日益不斷地增長中，對這樣的數據仍然採用傳統的人工處理方法變得不切實際，於是希望計算機能夠自動地幫助我們處理這些海量的數據，並提取出隱含的有價值的知識，輔助管理和決策，這就需要研究者對機器學習，特別是數據庫知識發現作更加深入和廣泛的研究。The key to these issues is a proper context representation and reasoning model, which should satisfy the following requirements : 1 ) it should have the capability to deal with uncertainties, which is an intrinsic property of context ; 2 ) it should be first - order, since we need to discuss at the level of entities, attributes and relations. this property is also necessary for representing generally applicable context reasoning knowledge. 3 ) it should have reasonable complexity, since the application wants to now the up - to - date context
上述問題的核心是目前缺乏一個良好形式化的上下文表示和推理模型，而這個模型必須滿足如下屬性： 1 ）能處理由於傳感器的不可靠以及不確定的知識帶來的上下文的不確定性； 2 ）具備一階（ first - order ）描述能力，這是因為上下文信息需要在實體的屬性和實體間的關系層次進行描述，同時這種能力也是使上下文推理知識具有通用性的基礎； 3 ）合理的復雜度，因為應用查詢上下文時希望了解的是即時的情況。It can overcome drawbacks of infrared remote controller including short communication rage, requiring visible communication channel, only supporting point - to - point communication and so on. so the idea of applying bluetooth to remote controller is proved feasible
該遙控器能夠克服紅外遙控器通信距離短、穿透能力差、只能直線傳輸，只支持點對點的連接等缺點，因而有望得到實際應用。By means of the proposed reinforcement learning algorithm and modified genetic algorithm, neural network controller whose weights are optimized could generate time series small perturbation signals to convert chaotic oscillations of chaotic systems into desired regular ones. the computer simulations on controlling henon map and logistic chaotic system have demonstrated the capacity of the presented strategy by suppressing lower periodic orbits such as period - 1 and period - 2. meanwhile, the periodic control methodology is utilized, the higher periods such as period - 4 can also be successfully directed to expected periodic orbits
該控制方法無需了解系統的動態特性和精確的數學模型，也不需監督學習所要求的訓練數據，通過增強學習訓練方式，採用改進遺傳演算法優化神經網路權系數，使之成為混沌控制器，便可產生控制混沌系統的時間序列小擾動信號，模擬實驗結果表明它不僅能有效鎮定混沌周期1 、 2等低周期軌道，而且在周期控制技術基礎上，也可成功將高周期混沌軌道（如周期4軌道）變成期望周期行為。They believe the braingate sensor, which involves implanting electrodes in the brain, could offer new hope to people paralyzed by injuries or illnesses
他們相信這種叫「大腦之門」的傳感器，通過在人腦中植入的電極，就能為因傷或疾病致癱的人們帶來新的希望。分享友人