線路號數 的英文怎麼說
中文拼音 [xiànlùháoshǔ]
線路號數
英文
line number- 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...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 數 : 數副詞(屢次) frequently; repeatedly
- 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
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Secondly an infrasonic array was constructed. the array is made up of three detectors with about 1 kilometer distance between each other. the three detectors are connected with telephone line
其次構建次聲陣列,用三個相距約一公里的次聲探頭構成次聲三元接收陣,它們之間用電話線傳輸數據,合理地布置各陣元的位置和方位,三路信號通過採集卡上的不同通道號輸入計算機。Interoffice junction digital line signalling system for telephone automatic switching network
電話自動交換網局間中繼數字型線路信號方式Digital line signalling for manual toll exchange to local exchange
人工長途電話局至市話局局間中繼數字型線路信號Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range
因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線信號傳輸半徑的關系等,得出了其解析描述。According to time of operation, the buses are divided as follows : numbers that start with " 2 " are morning and evening rush hour buses, numbers that start with 3 are night buses ; according to location, buses are divided as follows : puxi buses, pudong buses, buses that cross the river including tunnel and bridge lines, and suburban area buses [ 700s & 900s ] ; according to payment method, the buses are divided into : single - ticket rmb 1 ( lines of 13 kilometer or less from end to end ) and rmb 1. 5 ( lines of 13 kilometers or more from end to end ) ticket - sellerless buses ( most two digit city buses and three digits buses starting with " 1 ", " 2 ", " 7 " are of this kind ; no change will be made, but terminal stations and hubs will have rmb 1 and rmb 1. 5 ticket booklets for sale, 50 non - refundable tickets per booklet ), and also single ticket rmb 2 air - conditioned buses and scaled - price ticket special lines ( including specialty coach lines starting with " 5 ", pudong specialty lines starting with " 6 ", mid - size coaches that start with " 8 ", double - decker buses and air - conditioned coaches that start with " 9 ", as well as the ten air - conditioned tourism lines [ and airport buses ] )
按運營時間分,有:日間公交車、 「 2 」字頭的早晚高峰車和「 3 」字頭的夜宵車;按地域范圍分,有浦西的、浦東的、過江的(含大橋、隧道線)和郊區線;按票務方式分,有單一票價1元(全程13公里以下的線路)或1 . 5元(全程超13公里的線路)的無人售票車(市內公交號碼為兩位數的或三位數中「 1 」字頭、 「 2 」字頭、 「 7 」字頭的線路絕大多數是無人售票車,自備零錢,不找零,公交終點站、各主要交通樞紐均有1元和1元5角兩種面值的公交預售票出售,每本50張,售出不退) ,還有單一票價2元的空調車和多級票價的專線車(有「 5 」字頭的大巴專線、 「 6 」字頭的浦東專線車、 「 8 」字頭的中巴專線和「 9 」字頭的雙層車或空調大巴,還有十條空調旅遊專線) 。This simplification principle is the foundation of the following analysis. using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed
( 3 )對一個僅含有直流輸電線路的系統,採用復轉矩系數- - - -測試信號法,對其次同步振蕩特性進行了分析。Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定的激勵信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。Surface raceways and fittings for use with data, signal, and control circuits
與數據信號和控制線路一起使用的地面電纜管道和配件A scheme that to use digitalized catv signals in some inner areas while to use microwaves in some areas for where with no probability using the cable network, which is an extraordinary perfect transition measure, efficiency, economy and a shortcut, before the digital television terrestrial broadcasting standards come into practice
廣播電視部門在地面廣播標準尚未出臺、直播衛星也未開通以前,採用有線電視的標準,利用有線電視數字電視信號,通過微波在有線網路之外進行無線補充覆蓋,高效、經濟、快捷,是一個非常理想的過渡辦法。Digital line signalling for intertoll exchange
長途電話交換局間數字型線路信號800 s : sha tin race course routes 900 s : western harbour tunnel routes
8字頭(三位數) :沙田馬場巴士路線編號The main contributions to the investigation of the device for fault location are as follows : a set of device for fault location of the transmission line is developed, which consists of the signal sensor and the data acquisition system. the data acquisition and calculation are controlled by industrial controlling computer
本文進行了高壓架空線路故障測距裝置的研究,設計製作了一臺故障測距裝置,設計了信號的傳感器和數據採集部分,採用工控機控制數據採集卡進行數據採集和分析。On top of its conventional activities of signal magnification, reshaping, filtering, sampling, a / d transformation and scale switching, the intelligent sensor system can perform kinds of advanced operations such as on - line storage of parameters, real - time data processing, self - diagnosing of the system and so on. because of its communication interface with pcs, it serves as intelligent plug & play network sensor
它除了能完成對傳感敏感器件的信號進行放大、整形、濾波、采樣、 a d變換及標度變換外,還可實現參數在線存儲、數據實時處理、系統自我診斷等功能,並可以通過其通訊介面與溫室現場總線相接,組成即插即拔的智能網路傳感節點。The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given
該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。Firstly, the temperature varies in a large range in the place where the gap sensor works, so this paper analyzes the temperature drift of gap sensor, and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters. to resolve this problem, a practical design of detecting coil is given, and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor
首先,針對間隙傳感器工作環境溫度變化較大的情況,本文對間隙傳感器溫度漂移現象進行了分析,認為檢測線圈電阻和檢波電路參數變化是造成傳感器溫漂的主要原因,建立了檢測線圈的數學模型,提出了檢測線圈和檢波電路綜合補償方法,解決了間隙傳感器的輸出信號溫度穩定性的問題。Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment
數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計,包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算,包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成,生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。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。And then some terminal techniques on pic, devices simulation theory, resurfs effect and medici software are presented. at last three kinds of high voltage power devices have been designed and simulated. based on the analysis of the breakdown voltage and electric field distribution of the high power devices, the key physics and structural parameters effects on the breakdown voltage are found
本文首先介紹了國內外功率集成電路的發展狀況,然後介紹了高壓集成電路中的幾種終端技術、 resurf效應、器件模擬的基本理論和medici器件模擬軟體,最後對三種型號的高壓功率器件的擊穿特性進行了分析和計算機模擬,指出了影響器件電壓的關鍵的物理和結構參數,並對這三種型號的器件進行模擬,得出的電特性曲線和參數基本上與公司給出的一致。In the hardware design, the analog circuit, high - speed a / d convertor, storage control logic and vxibus interface are discussed. the results of the simulation and analysis of the circuits are given
在模塊的硬體電路設計部分中,著重對信號調理電路、高速a / d轉換器、高速存儲邏輯控制以及vxi總線介面等內容進行了討論,給出了具體的電路設計和關鍵器件的說明,並對部分模擬電路和數字電路進行了模擬分析。This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl
本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理,由此指出adsl對噪聲信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對頻譜的影響,採用fft方法計算adsl線路的噪聲功率譜,為adsl線路測試提供了可靠的理論依據。分享友人