traffic flow characteristics 中文意思是什麼

traffic flow characteristics 解釋
交通流特性
  • traffic : n 1 交通,(人、車、船、飛機的)來往;交通量;運輸;運輸量;運輸業;旅客,貨物。2 交易,貿易 (in...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  • characteristics : 產品性能描述
  1. First, realized a wegener - willie distribute based network traffic anomaly detection algorithm. we make use of wegener - willie distribute to analyze the inherent time - frequency distribution characteristics of the traffic flow signal. then according to the experience of analysis on historical flow, we construct a normal flow training sample aggregation and a abnormal flow training sample aggregation

    通過魏格納-威利分佈分析網路流量信號在時頻分佈上所反映出的內在特點,根據歷史流量的經驗構造正常流量和異常流量兩個訓練樣本空間,通過k最近鄰分類演算法將帶檢測流量信號的時頻分佈與訓練樣本進行比較,完成對檢測樣本的自動分類識別。
  2. Analysis of traffic characteristics of mixed traffic flow of automobile and motor - cycle in signalized intersection

    信號交叉口摩托車與汽車混合交通流運行特性分析
  3. According to the relationship between characteristics of the traffic flow and traffic congestion, fuzzy logic is adopted to partition the basic parameters ( mean velocity and flow volume ) into several fuzzy subsets, then fuzzy inference system is established to generate loc

    通過分析交通流基本參數與交通擁擠現象之間的關系,本文運用模糊數學的方法對交通參數(交通流量和平均速度)以及擁擠度進行描述,建立了交通擁擠度的模糊推理系統。
  4. In theoretical study, through analyzing operational characteristics of traffic flow in roundabout and studying the acceptable gap influence on delay and different arrival distributions effect to the capacity, the paper brings forward the experiment methods to study the capacity of roundabout by using the simulation technology

    在理論研究方面,就環形交叉口交通流運行特性進行了分析,並深入地研究了可接受間隙對延誤的影響以及車頭時距分佈對通行能力的影響,提出了利用模擬技術研究環形交叉口通行能力的實驗方法。
  5. From the viewpoint of macro dynamic characteristics of freeway traffic flow, this paper classifies the freeway, gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by using searching approach step by step, finally gives an identification instance

    摘要從高速公路交通流的宏觀特性和動態特性出發,對高速公路進行了兩級分段,以車流密度和車流速度作為狀態變量,給出了高速公路非線性的宏觀動態交通流模型,進而採用直接搜索法對模型中的參數進行了分段辨識,並給出了辨識實例。
  6. On the traffic flow models and characteristics lines under the control of traffic lights

    色燈下的交通流模型與特徵線的研究
  7. Based on the comprehensive analysis of the road traffic flow ' s characteristics due to the bus stop without bus bay, the multivariate linear models of the speed and the headway are formed with the variables of the stop frequency, the stop time, the overall length of the stop and its reserve time of the bus and the vehicle flow applying the software of excel, and then the strict mathematical checks are made

    文章首先比較全面地分析非港灣式公交停車影響下道路交通流特徵,然後藉助于excel軟體,構建關于公交停車頻率、公交停車時間、最大公交停車長度及其存在時間、道路流量的車速和車頭時距多元線性模型,並進行了嚴格的數學檢驗。
  8. According to the hydrodynamic theory, the interconnected characteristics of the highway traffic flow to the low - speed flow of pavement maintenance equipments are studied, and the traffic conflict characteristics of low - speed flow of pavement maintenance equipments to the high - speed traffic flow are analyzed

    摘要藉助流體流量連續理論,分析了高速交通流與養護施工作業設備的關聯特性,以及養護施工機械設備機群低速流與高速公路高速交通流的沖突特徵。
  9. To describe the phenomena of stop - wave in the continuous traffic flow, a stop - wave model was built based on kinematic equation by analyzing kinematic characteristics of stop - wave spread

    摘要為描述連續交通流中的停車波現象,分析了停車波傳播的運動學特性,基於運動學方程建立了停車波模型。
  10. The research and contribution in detail are introduced as follow : ( 1 ) the driver characteristics > motor vehicle characteristics, road characteristics, macroscopic and microscopic flow parameters are analyzed. a new traffic flow continuum hypothesis is proposed. the compression index and elasticity coefficient are defined

    具體工作如下: ( 1 )綜合分析了交通流中駕駛員的交通特性、車輛的交通特性、道路的交通特性、交通流的宏觀參數和微觀參數,提出了新的交通流連續性假設,定義了衡量交通流壓縮性的壓縮系數和彈性系數,分析了各種速度-密度模型所對應的壓縮系數。
  11. In this thesis, firstly we introduce the recent studies on traffic flow, which based on the statistical physics, secondly the fundamental principles and characteristics of one - dimension ( 1d ) determined ca model ( dca ) and two - dimension determined ca model ( bml ) are described in detail

    本文首先綜述了近期來物理學界在統計物理的基礎上對交通流的研究發展情況,然後詳細介紹了作為各類模型研究基礎的一維確定性模型dca和二維確定性模型bml的基本原理和特性。
  12. In this thesis. firstlv we introduce the recent studies on traffic flow. which based on the statistical phvsics. such as some theoretical approaches study modelstheir instructive significance and limits in practice. the fundamental principles and characteristics of one - dimension ( jd ) determined ca model ( dca ) and two - dimension determined ca model ( bml ) are described in details

    本文首先綜述了近期來物理學界在統計物理的基礎上對交通流問題的研究發展情況:各類研究方法,研究模型及模型對實際應用的意義及其局限性。詳細介紹了作為各類模型研究基礎的一維決定論模型dca和二維決定論模型bml的基本原理和特性。
  13. These tasks are termed psychomotor skills or perceptual - motor skills because they require a continued motor response to a continuous series of stimuli. car - following theory, is one of the basal traffic flow theory, has being researched since 1950 ' s in the world. although many models had been put into practice, because of existing defect in each model, and difference of local traffic flow characteristics, there was not one model can be accepted widely

    車輛跟馳理論作為最基礎的交通流理論分支,國外在這方面的研究已經持續了半個多世紀,盡管現有的許多跟車模型已經應用於實踐,但由於每個模型都存在或多或少的不足,以及各地交通流特性的差異,導致目前尚未有被普遍接受的跟車模型。
  14. The residual signals will be gotten from the comparison between the actual and prediction states. use a som neural networks as a classifier to classify characteristics contained in the residuals. so, we can detect whether the traffic incident has happened. this algorithm can detect not only whether the traffic incident has happened but also the level of accidental congestion caused by the traffic incident the second is another freeway traffic incident detection novel algorithm based on art2 neural networks. this algorithm uses the freeway traffic flow model and art2 neural networks as observer and classifier, respectively. the residual signals will be gotten from the comparison between the actual and estimated value of observer. use the art2 neural networks to classify characteristics contained in the residuals. so. we can detect whether the traffic incident has happened. this algorithm can recognize new pattern at the same ti

    第二種是基於ar咒神經網路的檢測高速公路交通事件的新演算法。該演算法利用高速公路交通流模型和artz神經網路分別作觀測器和分類器,觀測器估計的數據和實際交通數據進行比較,得到殘差序列;利用artz神經網路對殘差序列進行分類,以區分不同交通狀態下的交通信息,達到檢測交通事件的目的。本演算法不但可以識別已知的交通事件類型,還可以識別未知的或從未出現過的交通事件類型,是一個可以邊工作、邊學習的檢測系統。
  15. In this paper, by studying the feature of the netflow data and the mib status of the network equipments, at the same time, in terms of analyzing the characteristics of network attack, worm spread, virus infection and network misuse behaviors, our work is based on the facts that most of the anomaly traffic in campus network has influences of the netflow data and network equipment status. an approach is present to assess the threats of the traffic in terms of five factors : the traffic bytes distribution, flow number distribution, packets number distribution, equipment cpu utilization and the memory utilization. the weight of each factor is computed and determined by fuzzy relation matrix 。 an prototype system is designed to test the method and the results are analyzed to evaluate the availability of our method

    本文研究了netflow流數據的特徵和網路設備運行狀態數據,分析了校園網網路異常攻擊、蠕蟲病毒和網路濫用行為的特點,基於大多數的網路流異常必然反映在網路網路流量數據特徵的變化以及網路設備運行狀態的改變這樣一個事實,提出了一套基於網路流量和網路設備運行狀態的異常威脅評估方法,確定了5種威脅評估因素:網路流帶寬分佈、網路流數量分佈、網路流包數量分佈、網路設備cpu利用率、網路設備內存利用率,並採用模糊關系矩陣方法計算和分配這5種評估因素在評估函數中的權重。
  16. Traffic congestion is being worse and worse. taking traffic control and accident management under such condition requires a clear understanding of traffic flow characteristics

    為了在現有道路條件下實施交通規劃和控制,在路網出現擁擠的情況下進行交通誘導和事故處理,必須對交通流的特性有清楚的認識。
  17. In second chapter, several typical mathematical of fluid dynamics of traffic - flow are presented and analyzed and compared with each other. the characteristics and scope of application of these models are also discussed

    第2章介紹了交通流理論中的流體力學模擬理論的幾種有代表性的數學模型,分析並比較了這幾種現有的交通流流體力學模型,指出模型的特點、適用范圍,並作出了幾點評述。
  18. The establishment of efficient traffic models to reveal fundamental traffic characteristics is an essential requirement in the design, planning and operation of transportation systems. cellular automata ( ca ) are non - liner dynamical system in which space, time and state values are discrete, using simply rules, ca has attained very good results in simulating several complex natural phenomena and physical problem. that enlightens people to simulate traffic flow by ca method. urban major road performs critically on dredging traffic, therefore, it is very necessary to study the control and manage for urban main - road

    交通系統的規劃、設計和運作要求有能反映交通現象基本特徵的交通模型。元胞自動機是空間、時間和狀態都離散的非線性的動力學系統,它用簡單的規則在計算機上模擬各種復雜的自然現象和物理現象,並取得了很好的結果,啟發人們用它來模擬交通問題。城市主幹道擔負疏導交通的重要作用,因此對主幹道交通流的控制與管理的研究是非常必要的。
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