燈速率 的英文怎麼說
中文拼音 [dēngsùlǜ]
燈速率
英文
modulation rate-
Voltage meter, current meter, frepuency meter, oil pressure meter, water temperature meter, timer, battery voltage or charging current meter, protection indicator, speed and voltage inching switch and etc
電壓表電流表頻率表油壓表水溫表計時器電池電壓或充電電流表保護指示燈轉速及電壓微調開關等。Fast to lighten the lamp which only needs and low consume
燈管點亮快速不延遲，功耗低，功率小。Fast to lighten the lamp which only needs input and low consume
燈管點亮快速不延遲，功耗低，功率小。The transceivers, which relay lowpower radio waves above the heads of unsuspecting pedestrians, are part of a highspeed wireless network called ricochet
那些收發器是彈跳高速無線網路的組件，紐約市路燈桿與電線桿上一共裝了3000個，它們在行人頭上傳遞低功率無線電波，沒有人察覺過。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。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。However, the most commonly used x - ray sources didn " t change much no matter in structure or theory, still using thermionic cathodes as electron sources. such conventional x - ray tubes have some defaults, such as big volume, low frequency response, demanding for supply to cathode that was also brittle
目前使用的x光源的基本特點是採用熱電子發射形式即採用熱燈絲作為電子發射源，在高壓加速下轟擊陽極產生x射線，這樣的光源體積較大，需要加熱陰極的電源，且對頻率響應慢。The experimental results were as follows. ( 1 ) effect of light sources. among the three light sources, i. e. sun light, 300w and 500w high - voltage mercury lamp, the degradation rate of triazophos under mercury lamp was higher than sun light, and increasing with the raising of mercury lamp voltage
實驗結果如下： （ 1 ）光源的影響：在選擇的三種光源（太陽光、 300w 、 500w高壓汞燈）中，汞燈照射下三唑磷的降解速度明顯大於太陽光，並且隨汞燈功率的增加而加快。It has been proved by lots of examples we can improve greatly our work efficiency and service quality by integrating advanced it methods into engineering areas. for vessel traffic services ( vts ), though it has used some new technologies to improve its efficiency and service quality, advanced it methods still should be employed into its daily maritime management to promote vts working level
對于vts系統來說，從最早的導航燈塔開始，多年來雖然運用了一些較為先進的工程技術提高了管理效率和服務質量，但是隨著海事交通運輸量的增加和計算機網路技術的快速發展，對vts系統進行進一步的改進，在日常海事管理服務中運用先進的計算機網路技術提高其信息化和網路化程度，已經成為大勢所趨。Fast to lighten the lamp which only needs 2w input low consume
燈管點亮快速不延遲，功耗低，總功率僅2w 。Fast to lighten the lamp which only needs 1. 2w input and low consume
燈管點亮快速不延遲，功耗低，總功率僅1 . 2w 。The leds began to penetrate into lighting source after the first white led was born in 1998, it was forecasted that the led will be third generation lighting after incandescent and fluorescent bulbs
隨著led效率的迅速提高和成本的不斷下降，特別是白色led的問世，使得發光二極體由顯示、指示向照明領域迅速擴展，專家預計led將成為繼白熾燈、熒光燈之後的第三代照明光源。分享友人