點對點線路 的英文怎麼說
中文拼音 [diǎnduìdiǎnxiànlù]
點對點線路
英文
point to point lines- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 線 : 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 點對點 : pear-to-pear
- 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
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In oilfield, feeder line of 6kv often has many branches. the pole high voltage automotive capacitor compensation system controlled by single chip computer is designed for this situation. in the system, we separate the measure position and compensation position and realize the supervision of reactive load in local area
文章以油田6kv輸配電線路為例,針對多分支樹狀結構線路的特點,研製出由單片機系統控制的戶外術上型高壓電容器自動補償系統。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線的分佈、大城市與區域干線公路網的銜接以及快速路系統線網的整體結構等進行分層次的分析研究,得出快速路系統線網構架,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線網規劃的控制點,考慮快速路線路走向的控制點對線路走向進行優化。Based on the lucubration of adsl ' s transmission characters, the author concluded the main noise sources on the loop and their influences to the adsl ' s transmission performance
本文作者在深入了解adsl傳輸特點的基礎上,總結了線路上主要噪聲源的特點及其對adsl傳輸性能的影響。The development of fieldbus technology made lonworks field bus outstanding in all kinds of fieldbus. this paper simply introduces some kinds of common using fieldbus and the important position and influence of lonworks fieldbus in all kinds of fieldbus, carefully describes the technology core of lonworks technology, puts great emphasis on the introduction of the development and design of public security node of intelligent district which adopts computer, communication and control technology, carefully designs the interfaces of hardware circuits. the public security node of intelligent adopts 8031 single chip as its main processor to complete the application program of user, which mainly collects, process and control all kinds of field signal, and neuron chip 3150 as its slave processor to communicate with other nodes on field network, which works under parrel slave a mode
現場總線技術的發展使得lonworks技術脫穎而出,本文簡要介紹了常用的幾種現場總線的概況以及lonworks技術在現場總線技術中的地位和影響,對lonworks技術的技術核心:神經元晶元、 lontalk協議、 lonworks收發器、 lonbuilder及nodebuilder進行詳盡的描述;重點介紹了集先進的計算機技術、通信技術、控制技術為一體的智能小區安防節點的開發與研製,對節點硬體電路的各種介面進行了詳盡的設計。本文設計的智能小區安防節點採用單片機8031作為主處理器來完成用戶的應用程序,主要負責對各種現場信號進行採集、處理及控制,工作在并行從a方式下的神經元晶元mc3150作為從處理器,主要完成與現場網路上的各節點及中心控制室之間的通信工作。The single - phase grounding fault frequently occurs in neutral ungrounded system, the fault line and fault location must be found to avoid a phase - to - phase short as soon as possible
單相接地故障在小電流接地系統中出現的比較頻繁,此時必須盡快找到故障線路以及大致的故障點,以避免兩相對地短路。Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented
精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息,減輕人工巡線的負擔,同時加快線路的恢復供電,減少因停電造成的綜合經濟損失,為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法,根據測距的原理將其分為阻抗法和行波法兩大類,對各種演算法的優缺點及適用范圍進行了分析,在此基礎上提出了一種組合的測距方案,並對演算法進行了模擬分析。On one hand, the focal point that the interface circuit is designed lies in lining up the arrangement of the aerial data, have adopted one pair of ports ram to cooperate with the counter and realize the lining up of the data, on the other hand, interface focal point that circuit design transmission of data, part this finish mainly and interface of linkport of dsp, make data transmisst to dsp processor at a high speed, go on follow - up punish
一方面,介面電路設計的重點在於對天線數據的整理排隊,採用了雙埠ram配合計數器實現數據的排隊,另一方面,介面電路設計的重點是數據的傳輸,這部分主要完成和dsp的linkport的介面,使數據高速傳給dsp處理器,進行后續處理。這個項目按照自上而下的設計流程,從系統劃分、編寫代碼、 rtl模擬、綜合、布局布線,到fpga實現。This specific view becomes the tip of our designing ; the energy consumption has great relation with the rf module, which is breakpoint of the ebra ( energy - based radius self - adjust wireless sensor network protocol ). based on the facts between the energy consuming and the rf transferring radius, the ebra protocol is designed and implemented under the visual c + + 6. 0 ide, which switches its running mode with the energy consuming of nodes, so that meet the goal of energy saving of the nodes in wsn
本文正是從這一視角入手,根據結點能量消耗與無線傳輸發射半徑間的關系,設計並實現了一種基於能量的半徑自適應傳感器網路路由協議,使得節點能夠根據自身剩餘能量的狀況對節點的運行模式進行控制,同時對無線模塊的收發半徑進行動態調整,達到節能目的。The test and researches were made on the theories model of the wlan according to the wlan characteristics and channel characteristic
摘要依據無線局域網特點及通道特性,對無線網路的理論模型進行測試和研究。Though wide - band has been used widely, it ' s not wide enough to watch high - quality real - time video. futhermore, wiless communicaton has become a hot technology, it has limited band and unstable communication channel which result in high percentage of errorness in this situation, if people want to watch realtime video, it has high demand that video producer compress the video as small as possible when quality is good enough and receiver have ability of error resilience
另外,無線通信已經成為當前it領域的一個大熱點,對無線通信來說,帶寬就更加有限,並且傳輸線路不穩定,錯誤率高,在這種情況下,如果想通過無線網路在線觀看視頻,必然需要視頻發送端在保證質量的情況下對視頻進行盡可能的壓縮,同時提供強大的糾錯和抗錯能力。Secondly, according to the characteristics of few hubs in the practical hub and spoke airline network, the shortest path algorithm is improved, and an exact algorithm is proposed to solve the airline network robust optimization model, with which robust solutions suitable for various possible scenarios are obtained
然後結合中樞輻射航線網路實際應用中樞紐個數少的特點,對最短路演算法加以改進,提出了一種求解航線網路魯棒優化設計的精確演算法,得到了適用於多種可能情景的魯棒解。It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model
它可應用於任何復雜的傳播環境中,能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算,是一種準三維的預測模型;另外,從本質上講,它仍然是一種基於鏡像理論的點對點的射線跟蹤法,所以它無須進行接收測試;而且由於採用了反向演算法,運用數據結構中多叉樹的概念,先確定需要計算的場點位置,找出所有能從源點到達場點的射線,並且可一次性建立一個虛擬源樹,以後每次的計算只要通過對該樹進行後序遍歷即可,大大提高了運算速度,因而有較高的接收效率與精度。本文對該模型進行了相應的模擬,並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較,結果表明了該模型的優越性。Procedures for simultaneous transmission of data and digitally encoded voice signals over the pstn or over 2 - wire leased point - to - point telephone type circuits
在pstn或二線點對點租用電話型電路上同時傳送數據和數字化編碼語音信號的規程1200 bits per second duplex modem standardized for use in the general switched telephone network and on point - to - point 2 - wire leased telephone circuits
在電話自動交換網和點對點二線租用電話型電路上使用的標準化的1200比特秒雙工數據機It can support data transform between ethernet networks, and equipment with rs232, rs485 and usb interfaces. we can real izc point - to - point communication, exploit wireless local area network which has the function of point - to - multipoint communication based on this platform
不但可支持ethernet網路之間的數據傳輸,具有rs232 、 rs485 、 usb等介面能力,還實現了點對點的無線通信,可以開發具有點對多點通信功能的無線局域網。An industrial networking system that uses token - passing peer - to - peer communications at data transfer rates of one megabit per second ( mbps ). the network media is shielded twisted - pair cable
一種工業網路,它使用令牌環點對點通訊模式傳輸數據,可達一百萬位每秒。網路介質使用屏蔽雙絞線。Modbus plus an industrial networking system that uses token - passing peer - to - peer communications at data transfer rates of one megabit per second ( mbps ). the network media is shielded twisted - pair cable
一種工業網路,它使用令牌環點對點通訊模式傳輸數據,可達一百萬位每秒。網路介質使用屏蔽雙絞線。Modem operating at data signalling rates of up to 33600 bit s for use on the general switched telephone network and on leased point - to - point 2 - wire telephone - type circuits
公用電話交換網和點對點二線專線電路上使用的數據信號速率高達33600 bit s的數據機In pcs, multiple equipments connect to a shared bus through multiple nodes, which makes it possible for node - to - node communication, resource sharing, and less line connection. in order to realize a low cost, large - scale remote dcs, a hybrid - bus data collection system is designed with the fusion of fieldbus and one - wire techniques
在現場總線控制網路中,系統的各種設備通過多個節點連接到一根公共總線上,使得各個節點之間可以實現點對點的對等通訊和系統中信息資源的共享,同時大大減少系統中的連接線。The solving of nonlinear fe, the searching of sloping surface and the designing of monitoring system are researched in detail, and the fruits of theory research are applied to analyze and monitor the stability of the foundation of jiangyin bridge
重點對非線性有限元的求解、最不利滑動面的遷移、監測系統的設計等方面進行了理論研究,並且將理論研究的成果應用於江陰長江公路大橋南岸山體及地基基礎的穩定性分析與監測。分享友人