線制干線 的英文怎麼說

中文拼音 [xiànzhìgānxiàn]
線制干線 英文
four-wire trunk circuit
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
  1. The urban traffic trunk is regarded as a large system, and the subsystems are the intersections in the trunk. then we desipi a two - level coordinated fuzzy control method and use ann to implement the fuzzification, fuzzy inference and defuzzification. the arithmetic homs the strongly self - adapt, self - learning and fault - tolerant function

    3 )把城市交通作為一個大系統,子系統為上的各個交叉口,在此基礎上,設計了一種城市交通的兩級模糊協調控演算法,並用bp神經網路實現控器的模糊化、模糊推理和清晰化三個部分,系統具有較強的自適應、自學習和容錯性。
  2. A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected

    該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通流徑期望的分佈、大城市與區域公路網的銜接以及快速路系統網的整體結構等進行分層次的分析研究,得出快速路系統網構架,運用重要度法、層次分析法找出大城市重要功能組團中重要程度最高的一個或數個關鍵交叉口作為快速路系統網規劃的控點,考慮快速路路走向的控點對路走向進行優化。
  3. As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無通信系統的通道容量和傳輸效率,並能有效的抵抗多徑衰落、抑擾和噪聲。
  4. Radio interference suppression

    擾抑
  5. With the research development in antenna area, smart antenna, which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise, comes into researchers ’ sight

    隨著天領域研究的進展,一種可以動態調整天方向圖,有效跟蹤有用信號,抑擾和噪聲的天系統? ?智能天系統,進入了研究者的視野。
  6. For hksar government s purpose, the amount of this percentage of the total aggregate net revenue generated by the lantau link has been used directly to pay down the outstanding balance of the account used by hksar government to pay for non - scheduled maintenance costs of the lantau link

    就香港特區政府而言,青嶼產生的合計凈收入所佔百分比,已直接用作支付青馬管區墊支賬戶的未償還餘額資料來源:香港五隧一橋有限公司章程
  7. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非性、擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控理論中的模糊控技術,結合自尋最優控的思想,設計了一種模糊自尋優控器,應用在電站鍋爐送風控系統上,並闡述了動靜態兩種實現途徑,通過在優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  8. It is proposed that the fixed capacity investment and cargo discharge regression forecasting model and the optimal average information customer distribution model can be used to predict the cargo o - d distribution. the capacity limitation dynamic increment comprehensive network model can be applied to the prediction of the channel cargo transportation discharge and the turnover discharge in the main courses. the main courses network plan grade can be verified by the total cost method, and according to which the economic rationality of constructing different grade channels can be evaluated

    本文開展了平原水網地區航道網規劃方法的研究,提出了採用固定資產投資完成額與貨運量回歸預測模型;平均信息量用戶最優分佈模型預測貨物o - d的分佈;容量限動態增量綜合網路配流模型預測航道貨物運輸量和周轉量;採用總費用法論證航道網規劃等級,據此評定建設不同等級航道的經濟合理性。
  9. 3 ) for weak noise interferogram or filtered interferogram, dyadic wavelet can be used to detect fringe edges. a gvf snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4 ) phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map

    4 )對于低噪聲情況下或濾波后的涉條紋圖,在基於邊緣檢測的相位解纏過程中,利用snake模型可以高效準確的實現邊緣點的連接,所連接的邊緣涉條紋很好的吻合,可將連的精度控在三個像元。
  10. In this paper, a simple and available algorithm of routing control is presented. it can intelligentize and modernize the dispatch of postal transporting in national main line

    摘要提出了一個簡單而實用的郵路選擇控演算法,以促進全國郵運調度的智能化、現代化。
  11. The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance

    高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋,很好地解決了噪聲問題;接收機採用兩副天切換工作,提高了音頻信號接收質量,有效地抑擾,提升了系統的性能。
  12. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天的一個關鍵技術,它能夠自適應地控陣方向圖在用戶信號方向產生高增益窄波束,在擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。
  13. Tgcp ipcablecom trunking gateway control protocol

    個人間電纜通信通路控協議
  14. Nacpro apparel pattern making system has great progress in the intellectualized and humanized operation. original database management mode, intellectualized automatic pattern - making, auto - grading and customized system, entirely opening unlimited basic block library, linkage operation of pattern modifying, substantial mark lib and line lib in the system or setting, point parallel line - cutting grading and 3d re - grading or more - times grading, marker making for traditional textile irregular textile knitted textile, etc., auto - matching plaid marker making, beds marker making and double - deck bed marker making, automatic marker making which can be modified by hands any time. we do everything to help the users operating conveniently, quickly and economically

    隨著計算機技術不斷發展,在我公司全體員工的努力下, nacpro服裝板排板系統在智能化操作和人性化操作方面的綜合能力大大提高,新穎的數據庫管理模式智能化的自動打板自動放碼及度身定做全開放式的無限量原型板庫打樣后修改紙樣的關聯聯動操作大量系統和自定義的記號庫及型庫碼點平行-切開多種放碼方式相結合併可進行二次多次立體放碼傳統面料不規則面料針織面料等不同面料的排料方式自動對格排料分床及高低床排料自動排料並可隨時與手動相結合的人工可預智能排料我們所做的一切,都是為了讓用戶操作得更加方便快捷節約時間節約面料,我們可以肯定地說, nacpro將以其嶄新的面貌,無愧成為當今同行業的勝出者。
  15. The jamming of two models of pulse compressed radar, linear frequency coded radar and bi - phase coded radar, are studied in this dissertation

    本論文討論了脈沖壓縮雷達中兩種典型的雷達式:性調頻雷達和二相編碼雷達的擾。
  16. This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost

    文章不僅全面地介紹了電力載波通訊技術的特點、應用及其發展狀況,還對目前的電力載波通訊晶元進行了比較;並通過對低壓電網通道特性的分析和研究,抽象出其載波通道模型,在此基礎上,提出了將擴頻調和通道編碼相結合的傳輸技術用於低壓電力載波通信,這可以在很大程度上解決電力擾問題,且不必付出高昂的代價。
  17. Pilots flying into greece have reported hearing music instead of instructions from air traffic controllers owing to interference apparently caused by illegal broadcast antennae

    一名飛入希臘的飛行員報告說從管員那聽到了不是指令而是音樂,這是由非法的廣播天擾而引起的
  18. Ininterference limited cdma systems, good interference handling radio resourceallocation schemes play the key role to enhance the performance of the systems

    Cdma是一個擾受限的系統,恰當的無資源分配方案可以抑擾,從而提高系統性能。
  19. The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system

    該系統有效地克服了電力噪聲和阻抗變化等擾因素,提高了抗擾能力和通信成功率,同時提出軟體中繼的思想和演算法並加以實現,進一步抑路衰減快的問題,使載波通信的距離增加,滿足了遠程抄表系統的要求。
  20. The construction graph of the ant colony optimization ( aco ) algorithm is revised to solve traffic control problems. and the aco algorithm is improved further to obtain better search efficiency in large - scale traffic control problems. finally, on the simulation and analysis system for urban mixed traffic ( sasumt ) that was developed by zhejiang university, the two utaccss are compared and analyzed in the cases of an isolated intersection, an arterial road and a traffic region

    本文主要在這三個方面進行了深入研究,相應地建立了配時參數協調優化和信號相位滾動優化兩種主要的基於模型的utaccs控演算法,通過設計蟻群優化( antcolonyoptimization , aco )演算法的解構造圖使其能夠應用於交通控問題的求解,並且改進aco演算法以提高其在大規模交通控問題上的搜索性能,最後在浙江大學自主研發的城域混合交通模擬與分析系統( simulationandanalysissystemforurbanmixedtraffic , sasumt )上從單點控及區域控不同層次對所建立的兩種控演算法的控效果進行了比較和分析。
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