路內信號方式 的英文怎麼說
中文拼音 [lùnèixìnháofāngshì]
路內信號方式
英文
within channel signaling- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 內 : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 方式 : way; fashion; pattern
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After the switching of the numbering mode, services can be displayed and configured on the basis of lucent s numbering mode. but at that time since there was no network - level nm in beijing telecom s transmission network and the lct ( pc - based element - level nm ) could display and configure services only on the basis of huawei s mode, the configuration mode needed to be modified manually when implementing interconnection to lucent s equipment and each adjustment had to be made according to lucent s numbering mode through the built - in cross connection function while configuring services
轉換后,即可按朗訊的編號方式在網管上顯示業務與配置業務。但當時北京電信的華為傳輸網未建立該網路級網管,而lct (基於pc的網元級網管)只能以華為公司的時隙編號方式顯示與配置業務,在與朗訊對接時需要人工修改配置方式,通過sdh設備的內置交叉功能在配置業務時按朗訊公司的編號方式一一調整。Because of the different function of roads and the difference of region, the form of intersections and connections between them is different with each other. at present, the types of nodes adopted in china and abroad include uncontrolled intersections, all - way stop - controlled intersections, two - way stop - controlled intersections, signalized intersections, roundabouts, grade - separated junctions and their combinations. each type of nodes has different characteristics and adapts to different function demands
城市道路是以網路形態分佈於城市區域內的地面交通設施,由於道路的功用不同以及地域的差異,各道路間的交叉和連接方式各不相同,目前國內外所採用的節點形式有無控制平交節點、全停牌控制平交節點、二路停牌控制平交節點、信號燈控制平交節點、平面環行節點、立體交叉節點以及它們的組合形式,各種節點具有各自的特性,適合於不同的功能需求。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字頻率合成( dds ) 、 cordic演算法。Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit
通常指一種內裝數字分頻網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流,在用數字信號處理的方法將音頻頻譜分割后,便分別將這些信號變換為模擬信號,然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。In a tdma network, multiple users share the common medium ( or channel ) and bandwidth but different intervals of time. in case of the burst mode, the carrier of the modulated signal needs to be synchronized in a very short time. the common approaches such as a costas - loop and so on are no longer suitable any more
在一個時分多址( tdma )通信網路中,多個用戶通過不同的時間段共享一個傳輸線路(或者通道)的帶寬資源,每個用戶只能在分配給自己的時間段內進行通信,這種突發方式信號的解調要求載波恢復要在很短的時間內完成,我們以往在連續信號解調器中採用的costas環等方法很難適應這種要求。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese
本論文的主要研究內容如下: ( 1 )研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理,合理分割銑床控制系統的管理任務,根據任務的要求賦予不同的優先級和調度時間,保證任務的執行效率和實時性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函數,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的硬體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有效管理nc代碼文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議,開發串口通訊網路通信軟體; ( 5 )研究字元的顯示原理和在操作系統中嵌入字庫的方法,在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法,開發中文字庫嵌入軟體,滿足開發操作界面的信息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發實用的三維加工軌跡顯示軟體,便於操作者對零件的加工過程進行監控和診斷。The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed
首先分析了系統的總體結構,提出了一種基於dsps處理板+單片機控制板的信號機實現方案;在此基礎上,重點介紹了處理板模塊化的硬體電路設計,其中考慮了晶元的選型、實現方式的選擇、工作機制、時序匹配等問題;之後,分析了otsu單閾值目標識別和多閾值目標識別的效果,重點選擇後者在硬體電路板內對圖像進行了目標識別的演算法處理,結合背景的剔除、形態學膨脹等幾個減小誤差的措施,對車輛排隊長度進行了較為精確的提取;最後在控制板上完成了干線a - b信號聯動控制和基於can總線的區域聯網控制的通訊方案設計。This paper systematically presents the importance of the research of low - voltage and low - power analogue integrated circuit design, and it introduces the development of current - mode device - current conveyor ( cc ) and synthesizes its applications in the fields of active network and signal process
本文系統地闡述了低電壓、低功耗模擬集成電路設計研究的必要性和重要性;介紹了電流模式器件? ?電流傳送器的發展和當前在國內外的研究狀況,綜述了電流模式器件的優點和它在有源網路和信號處理方面的應用。Comparing the difference in the modes of action between brassinolide and auxin, gibberellin, it has been proposed that the signal transduction pathway of br is different from those of other plant hormones
通過比較油菜素內酯與生長素、赤?素促進生長作用方式的異同,提出油菜素內酯促進生長的信號傳導路徑不同於其它植物激素。The input voltage of the piezoresistive transducer, gain, sampling frequency and negative delay can respectively be graded through programming. the stored system is specially designed to have two modes of trigger ( namely, external trigger through wire breakage and inner trigger through overpressure signal ), reading software and interface circuit that are of
該測試系統可通過編程選擇傳感器供電電壓(兩檔) 、放大倍數(四種) 、采樣頻率(四種) 、負延遲(四種) ;同時具有斷線外觸發和超壓信號內觸發兩種觸發方式;讀數的軟體和介面電路都具有串併兼容特性;系統還具有狀態自檢和定時上電等功能。Vpmn service is a service which allows group users to communicate with each other through abbreviated numbering or dedicated numbering plans over a private network of logic voice circuits, based on the public land mobile network ( plmn ) and the public fixed telephone network ( pstn )
虛擬專用移動網業務(以下簡稱為vpmn )是在公用陸地移動通信網( plmn )和公用固定電話網( pstn )上建立一個邏輯話路專用網,通過縮位撥號、專用編號計劃等方式使企業、集團用戶群內進行相互聯系的網路。In order to reach the requirement of applying for the multi - objective and multi - parameter measuring, we adopt the distributing computer controlling system which the at89c52 single chip was used as core in the system, also the circuit of signal conditioning and data acquisition and processing are all integrated in the system. we use nixie tube to fullfill the displaying function and adopt high - capacity memory to record the data of production process
同時為適應工廠要求對多目標、多參數進行監測的要求,採用了分散式計算機控制系統,該系統以at89c52單片機為核心,內部集成了信號調理、數據採集與處理、顯示等電路並擴展了大容量存儲器以保存最近幾次生產過程的檢測數據,同時還採用了rs485網路總線技術可以方便的將數據傳輸給上位控制中心。This thesis discusses on the post - processing of sonar signal which includes the search and location of the target, the pattern recognition and the neural networks classification, and also carries out a process of the sea test data with the post - process - programs to verify the validity of the pattern recognition with bp neural network, which helps to develop the sonar image processing and the image processing of other fields
本文在完成課題中的顯示控制任務同時,對聲納信號後置處理,包括目標的搜索定位以及模式識別和神經元網路識別等內容,進行了論述,並利用後置圖像處理程序對正樣機海試數據進行處理,驗證了bp神經元網路下模式識別方法在水聲圖像處理方面的有效性,有助於聲納圖像處理以及其他領域圖像處理的發展。The research resuits mainly include : credit capital is not equal with stock capital, low risk capital structure is one strategic choice and competition advantage ; more capital from the core stocanolder and famous investment institution, more easier the company can finance ; relationship lending is one important credit financing means for internet company ; from the point of tfade - off theory, conservative capital structllre is suitable for intcmet company presently ; small proportion is preferable when liability level is readjusted, since it is easier to access the optimal capital structure.
主要內容包括:債權資金與股權資金不對等,不可以完全替代;低風險的融資結構是一種戰略性選擇;核心股東增加投資和廣大具有市場影響力的機構投資者投資網路公司都是傳遞公司價值的信號;關系型貸款是重要的債權融資方式;從權衡的角度看,現階段宜選擇保守型融資結構;調整負債水平宜採取謹慎小幅度的策略,這樣更容易接近最佳融資結構。Inband pulsing single frequency line signaling system for telephone automatic switching network
電話自動交換網帶內單頻脈沖線路信號方式In this paper, we briefly introduced the performance of wave coding and vocoder, emphasizedly studied the principle and performance of variable rate vocoder q4401, including the internal construction and pins, qcelp coder & vocoder, pcm interface, cpu interface initialization process, command format and so on. we also designed a application circuit, with the experiment validated its performance. in this design, the pcm interface chip is tp3057, it was used to finish a / d transform, the compress coding was finished by q4401, the initialization and control were accomplished by 8051 singlechip
重點是研究變速率語音編解碼晶元q4401的工作原理及性能。其中包括q4401的內部結構及管腳、 qcelp編碼方式、 pcm介面、 cpu介面、初始化過程、命令格式等,並在此基礎上,設計一個實際的應用電路,通過實驗,驗證其性能。在設計中用pcm介面晶元tp3057來完成從模擬信號到數字信號的轉換,再由q4401進行壓縮編碼,對q4401的初始化及控制由8051單片機來完成。In this thesis, firstly, we introduce the relative technology of the sip gateway and basic principles of the sip protocol ; secondly we discuss the requirements for setting up the translation gateway between the ip network and pstn network ; afterwards, we designed the whole layered system structure including hardware and software, then implemented them with ood. our experiments showed that the low cost sip / pstn gateway design is feasible
其功能是完成傳統電路交換網路與分組交換網路之間的信令和媒體轉換,從而實現ip網sip電話用戶和pstn電話用戶之間的通信。課題和論文中完成的主要內容有: 1 .研究了pstn的信號原理、交換方式、媒體傳輸方式;研究了軟交換技術的原理和網路結構,分析了sip協議的消息和工作流程。It is important in theory and applications to study the detection and segmentation of object identifying character image in video sequence, which is used in content segmentation of image sequence, high efficient representation, transportation, storage and interactive control, image content searching, recognition and tracking, security barrier of communication network and information etc. in this thesis, is studied the segmentation and recognition of mobile identifying character image in video sequence
序列圖像標識文本的檢測與分割技術的研究具有重要的理論和實際意義。比如,在圖像序列的內容分割、高效表徵方面;圖像信號的高效傳輸、存儲與按內容的互動式控制;特定內容的搜索、識別與跟蹤、以及按信息內容建立對信息和通信網路的安全屏障等。這里著重研究車流視頻圖像標識文本的分割與識別技術。分享友人