道口信號機 的英文怎麼說
中文拼音 [dàokǒuxìnháojī]
道口信號機
英文
grade crossing signal- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 口 : Ⅰ名詞1 (人或動物進飲食的器官; 嘴) mouth 2 (容器通外面的地方) mouth; rim 3 (出入通過的地方) ...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 機 : machineengine
- 道口 : (鐵路與道路的平面交叉) road junction; level crossing (亦稱「平交道」)
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Based on the dsp development board, the author finishes the hardware debug about the multi - channel buffered serial port ( mcbsp ) receiving the output signal from the gps if collector and resolves the software program of the receiving buffer of the multi - channel synchronous serial data, data integration, udp datagram encapsulation and network interface driver, etc. the real - time udp datagram receiving, data frame de - encapsulation and high speed data memory are implemented, and a friend application interface with windows message is developed on the pc
基於dsp開發板,作者完成了dsp的多通道緩沖串口( mcbsp )接收gps中頻接收機輸出信號的硬體調試,並解決了多通道同步串口數據的接收緩沖、數據合併、 udp數據報裝幀及網路介面驅動等軟體編程。在pc端,通過mfc的網路應用開發類casyncsocket實現udp報的實時接收、數據解幀譯碼、高速存貯,利用windows消息機制開發了應用程序友好界面。With the use of new mcu p87c591, as the techiniques of serial communication and negative display of lcd, the dashboard has a very beautiful apearence and the system is simplified. not only the analogy signal and the pulse signal can be sampled into the instrument, but also the datum on the can - bus should be transferred into the system whit the connection to the in - vechile network. under the guindance of the idea of " informatic design ", the digital lcd dashboard system is developed, and the professional manufacturer of lcd display device is directed to develop and to design the special lcd module, by which the new lcd production is greatly optimized. all these intentions bing about a very well goal
在研製數字液晶儀表過程中,應用了新型單片機p87c591 、串口驅動技術和負顯技術,使該數字液晶組合儀表結構簡單,視覺美觀,既可以通過模擬通道、數字通道測量車輛傳感器的信號,又具備接入車輛總線、從can總線上獲得相關數據的能力。在項目開發過程中,運用「信息化設計」的觀點開展液晶顯示模塊的開發和設計工作;並根據軟體工程的原則,優化了液晶模塊的電路設計,使該項產品的開發取得了好的效果。Wyndsor hotel in shenzhen nanshan district commercial, cultural, entertainment center - new south road 33, shennan avenue, binhai avenue, sea, land and air transport facilities, airports, shekou port, the first of the south, guang - shen, a shopping center near rainbow, near shekou industrial zone, baoan industrial zones, technology parks, overseas chinese town ; beautiful china, folk village, the world window, huanlegu, green world, wild zoo, the hotel is at the shenzhen industrial and commercial bank of china and citic bank, china merchants bank to merchants, providing you the best in leisure activities as well
溫莎酒店位於深圳市南山區商業文化娛樂中心-南新路33號,深南大道,濱海大道,海陸空交通便利,機場蛇口港南頭關廣深高速還有天虹商場近在咫尺,比鄰蛇口工業區寶安工業區科技園華僑城錦繡中華民俗村世界之窗歡樂谷青青世界野生動物園酒店邊就是深圳工商銀行,中信銀行,招商銀行給商旅,休閑的您提供最佳居停之所。Based on these models, a main - road traffic flow model with two speeds on one dimension is designed. this model simulate the situation of one road in the city, traffic lights placed on the crossing, using the computer simulation, firstly, in the case of synchronized traffic lights, we investigated the velocity and flow of the model when the initial density, the turning probabilities, the number of the traffic lights, the green to signal ratio and the period of the signal are changed, then we have advanced some meliorate measure to traffic flow ; secondly, in the case of the traffic lights " signal update delay in turn, we found the optimal matching between the period of the signal and the delay time of the traffic lights so as to the perfect velocity and the flow of the model are attained
在此基礎上,建立了一維二速主幹道模型,該模型模擬了城市交通中一條主幹道的交通情況,在交叉口處設置紅綠燈,通過計算機模擬,首先,在交通燈信號同步更新的條件下,研究模型在改變車輛的初始密度、轉向概率、交通燈個數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下主幹道的速度、流量的變化,根據模擬結果提出一些改善交通的有效措施;其次,在交通燈信號依次延遲更新的條件下,研究模型在參數道路長、紅綠燈綠信比、交通燈個數、車輛的初始密度給定的情況下找到紅綠燈信號周期和延遲時間的最佳匹配使得主幹道的速度、流量達到最理想的值。2 the design and manufacture of focs instrument system the foundation of commercial fiber optical chemical technique is to manufacture a fiber optical chemical instrument system. an instrument is assembled with xenon light as the source, bifurcate quartz fiber as the carrier for light, high precision photomultiplier tube for the conversion of light signal to electron signal and the 16 - digit multi - channels analog - to - digital card for collection of data
生產人作者選擇氖燈為光源、設計聚焦系統,以石英分支光纖作為傳輸光信號介質,高精度光電倍增管檢測, 16位多道數據採集卡為a d轉換,採用visualbasic編寫windows平臺操作軟體,菜單提示,窗口人機對話,研製成功單通道光纖化學過程傳感儀器系統。The hardware of system is used sensor and signal conditioning circuit to collect the signal and communication with the computer using the pci2013. for the undulation of temperature and driven current will influence the testing result, they need to be invariableness during testing
系統硬體以傳感器和相應的信號調理電路作為前向通道拾取被測信號,利用基於pci高速總線的pci2013數據採集卡和串口模塊實現與計算機的數據傳輸和命令通訊。We also analyze the influence of the boundary condition 、 safety distance and deceleration probability to the traffic flow. finally, we propose an crossroad modle. this model is made up of one main road and one branches : traffic with lights placed on the crossing, vehicles " breaking while running and turning to other direction while jamming. we investigate the velocity and flow of the model when the initial density, the brake and turning probabilities, the green to signal ratio are changed. then the reasons causing all the kinds of phenomena are analyzed
最後研究了周期性邊界條件下的十字路口的ca模型,該模型由一條主幹道和一條支道組成,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中對突發事件發生反應的剎車,路口的車輛可以轉向等各種實際交通行為,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、紅綠燈信號的綠信比等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。It includes geometric design, traffic organization design and signal timing of signalized intersection. the techniques of expert system and computer - based simulation are employed. several schemes that are generated from expert system of signalized intersection design are inputted into microscopic simulation system, and then optimal scheme is put forth
本文研究了城市道路信號交叉口的優化設計方法,具體的研究過程是:利用專家系統技術,從幾何設計、交通組織設計以及信號配時等三方面對信號交叉口進行優化設計,然後利用微觀計算機模擬技術對優化方案進行評價。Realizes the longitudinal relationship between models by using object - oriented programming language ; 2 ) sets forth the function and software design in detail, and analyzes entities of the system. realizes the randomness of traffic flow and constructs vehicle arriving model, vehicle movement model on road segments and vehicle movement model on intersections, so completes the kernel part of traffic simulation ; 3 ) uses 3d modeling software - multigen creator and real - time simulation software - vega to build up the 3d virtual environment of microscopic traffic simulation, and drives dynamic entities such as driver - vehicle units and traffic lights in static scenes ; 4 ) studies the characteristic of checkerboard system of street layout, analyzes and decomposes the system to deduce a certain simplification method. and researches the application of urban traffic route choice
論文主要工作如下: 1 )利用面向對象技術分析交通模擬系統模型之間的橫向關系和交互作用,研究靜態實體的狀態變化和動態實體的運動規律;利用面向對象的程序設計語言實現系統中模型的縱向關系; 2 )詳細闡述交通微觀模擬系統的功能設計、軟體設計,分析模擬系統中的實體;實現車流的隨機性,建立車輛的到達、車輛在路段上的行駛過程、車輛通過交叉口的行駛過程等模型,完成交通模擬的核心內容; 3 )利用三維建模軟體multigencreator和實時模擬軟體vega建立交通狀態微觀模擬的三維虛擬環境,在靜態視景中驅動駕駛員-車輛單元、信號燈等動態實體; 4 )研究棋盤式道路格局的特點,從理論上分析並分解系統,得到一定的簡化依據,進一步研究城市交通路線選擇的應用。Because of the difficulty to obtain the traffic flow information of lanes at non - detector intersections in most metropolises of the world, based on the relationships between the lanes of signal - controlled intersections, cluster analysis and stepwise regression are integrated to predict the traffic volume of lanes at non - detector isolated controlled intersections. first cluster analysis is used to cluster the lanes of non - detector isolated signal - controlled intersections and the lanes of all signal - controlled intersections with detectors. then, by the results of cluster analysis, the traffic volume samples are selected randomly and stepwise regression is used to predict the traffic volume of lanes at non - detector isolated signal - controlled intersections. the method is tested by the traffic volume data of lanes of the road network of nanjing city. the problem of predicting the traffic volume of lanes at non - detector isolated signal - controlled intersections was resolved and can be widely used in urban traffic flow guidance and urban traffic control in cities without enough intersections equipped with detectors
針對目前國內外大中城市中普遍存在的無檢測器信號交叉口車道交通流信息難于獲取的情況,基於信號控制交叉口車道之間的相關性,綜合應用聚類分析和逐步回歸法預測單點無檢測器信號控制交叉口車道流量.首先應用聚類分析將單點無檢測器信號控制交叉口的車道與有檢測器信號控制交叉口的車道交通流量進行聚類,然後在聚類分析結果的基礎上隨機選取車道交通流量樣本運用逐步回歸法預測單點無檢測器信號控制交叉口的車道流量,此方法經過南京市的具體車道流量數據驗證.此類問題的解決,可廣泛應用於城市交通流誘導系統以及交通控制系統分享友人