line hardware 中文意思是什麼
line hardware
解釋
線路金具-
Technique of transmitting data via power line （ pl ） ， a new technique developed in recent years ， is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage ， disadvantage and the current state of the power line carrier communication 。 the advantage ， method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper ， after introducing the principle of ssc ， design of hardware and software of the system are been discussed 。 this system has been put into use ， the result has proved its high stability and reliability
本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。 -
At the same time, it also illustrates the superiority of this kind of communication by introducing the profibus field bus. take the transformation of focke packaging machine as an example, the main content is as follows : 1st, to analyze the plc control system of s5 series, and determine the concrete functions that the new plc control system hopes to achieve as well as how to achieve the goal through studying the work program of the original one ; 2nd, to demonstrate the advantage of the field bus in the process of digital alternation by introducing the principle agreement of field bus profibus ; 3rd, to achieve each function of the original control system through using siemens ' s plc control system in the design of hardware and step 7 in the software as well as designing and compiling control system of focke packaging machine ; 4th, to use fm455 for controlling temperature not only can meet the system ’ s severe request for temperature and efficiently avoid many demerits of the temperature control instrument but also can bring convenience for operation and maintenance ; 5th, to use the intouch configuration software to compile monitor and control program can accomplish the goal for real - time surveillance and control of the production line, while setting some parameters can provide a powerful alarming function
以改造focke包裝機為例，主要內容如下: 1 、通過熟悉原有控制系統的工作流程，分析了原s5系列可編程邏輯控制器的控制系統，確定新的可編程邏輯控制器控制系統需要實現的具體功能以及其實現方法; 2 、在本系統數據交互中，通過介紹profibus現場總線原理協議，論述了現場總線在工業通訊中的優點; 3 、下位機硬體設計上使用西門子可編程邏輯控制器控制系統，軟體平臺採用西門子step7 ，設計和編制了focke包裝機控制軟體，實現了原有控制系統的各項功能; 4 、本系統對溫度要求嚴格，採用溫控儀表控制溫度不能滿足系統要求，而且溫控儀表操作和維護都不方便，因此採用fm455溫度控制模塊進行溫度控制，滿足了系統對溫度的要求，同時又有效地避免了溫控儀表在操作和維護上的缺陷; 5 、在監控系統上，使用intouch組態軟體設計了系統的監控界面，從而實現了對生產線的實時監控，並且可以通過界面設置系統的一些參數，同時提供了較強大的報警功能。 -
Connection fitting ( hardware ) is mainly applicable for the connection of the conducting wire of aerial electric power line and terminals of lightning conductor, the connection of offline perch jumper wire and the repair of conducting wire
接續金具主要用於架空電力線路的導線及避雷線終端的接續、非直線桿塔跳線的接續及導線補修等。 -
Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits
靜態、動態測試實驗表明：該控制系統，不僅硬體線路大為簡化、體積小、通用性強，能夠很好地實現對原型調速器及原動機自平衡特性的模擬，而且與模擬電路的設計方案相比，整個系統的控制精度、可靠性和穩定性等大幅度提高，具有明顯的優勢。 -
The hardware has two input channels of high - speed analog signal, with the signal amplitude of 0 - 5v, the conversion precision of 12bits, and the maximum sampling rate of 400ksps. this system includes 4 dsps ( adsp 2181 ), which can be arranged as a pipe line processing array. many algorithms can be realized in this system
系統硬體有兩路模擬數據採集通道，模擬信號輸入范圍為0 ? 5v ，轉換精度為12位，最高采樣率400ksps ；系統包含4片dsp （ adsp2181 ）構成的流水線型的處理陣列，可用於實現各種演算法；系統的控制邏輯由fpga完成。 -
Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country
本文介紹了飛機電力線載波數據通信系統的結構，並對低壓電力線的通道特性進行了分析；對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證；設計出基於qpsk的調制解調模塊，並在此基礎上，研製出以dsp和cpld為最小系統的調制解調硬體電路板，開發了調制解調模塊電路板的應用軟體程序。 -
The control system make use of the advantage of c + + which is suitable to visit hardware, and package many control function into dll, so realizes the opening and makes user convenient to control and further development. moreover, the software system provide several drawing mode such as line and circle,
該控制系統利用c + +便於底層訪問控制的優勢，通過動態鏈接庫（ dll ）編寫運動控制函數直接對硬體介面進行訪問，並把系統的各種控制功能通過動態鏈接庫（ dll ）提供給用戶，實現開放化，使用戶方便地實現對系統深層運動控制，進行二次開發及設備改造。 -
The service industries involved : hardware ( electrical drainage, electroprobe and lamp holder ), cables ( power line, shielding wire, terminal wire and acoustics wire ), leather products and clothing, etc
服務行業涉及：五金（電排、電筆、燈座） 、線纜（電源線、屏蔽線、端子線、音響線） 、皮具、服裝等領域。 -
Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。 -
For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved
為使系統具有較高的穩定性，本文第二部分結合該處理器的硬體實現，從傳輸線理論出發，研究了弱電情況下高速電路印刷電路板中的信號完整性問題；從理論上分析了延遲、反射、串擾以及地彈噪聲等信號完整性問題產生的原因；結合實際設計，總結了一般高速、高精度印刷電路板的設計要點和標準設計流程，並在實際系統中獲得了應用，取得了很好的效果。 -
The hardware construction utilizes the industry pc and acts as the corpus, the intelligent sport control card puts in its isa slot and accomplishes data commutation and control through the total line in pc
硬體結構利用工業pc機作為主體，智能運動控制卡插在其isa標準插槽上，通過pc內部總線實現數據的交換和控制。 -
The inversionless bm algorithm in rs decoder is implemented with serial mode, which avoids the inversion computation and only needs 3 finite - field multipliers. thus, the complexity of hardware implementation has been mostly reduced. a 3 - level pipe - line processing architecture is also used in the hardware and the coding circuit in rs coder is optimized by using the characteristics of the finite - field constant multiplier
Rs解碼器的設計採用無逆bm演算法，並利用串列方式來實現，不僅避免了求逆運算，而且只需用3個有限域乘法器就可以實現，大大的降低了硬體實現的復雜度，並且因為在硬體實現上，採用了3級流水線（ pipe - line ）的處理結構。 -
Therefore, it can be named by “ the specific demultiplexer of sdh ”. the design of pos line card was discussed and we also have finished the control logic of the hardware platform of the specific demultiplexer
論文主要討論專用分接器的pos線卡設計和硬體平臺的控制邏輯電路設計與實現。論文首先對基於fpga的10gbps的pos線卡的設計方案進行了研究。 -
The hardware consists of 1, 500 active rfid wheretag transmitters temporarily attached to new vehicles as they roll off the assembly line as part of the wherenet vtms system ; 700 wheretag transmitters that are permanently fixed to trailers belonging to nissan ' s dedicated suppliers or temporarily attached to others as part of the yard management application ; 120 whereport magnetic " exciters " positioned between gates and at key choke points across the complex ; and a local infrastructure of 80 wireless wherelan locating access points, according to wherenet
車輛跟蹤與管理系統包括1500個臨時安裝在流水線新車體上的rfid傳感器； 700個傳感器被永久安裝在尼桑公司供應商的運輸車上或臨時安裝在其他車輛上以便進行車場管理； 120個磁性激發器將安裝在門口和場區重要節點；以及一套80個無線定位接入點的內部系統。 -
Benefit from the rapid growth of domestic power line communications network, we are committing to manufacture, sales and research of cable anchoring and control hardware and systems for opgw and adss optical fiber. in order to satisfy the growing demand from domestic and overseas customers, we succeed in designing patented series products of anchoring system for both optical fiber and communication power line by absorbing international advanced technology and procedure
公司著眼于電力行業的高速發展，長期致力於opgw和adss特種光纜及電力線纜的預絞絲配套安裝金具產品的開發生產和銷售，並結合國內外用戶的實際需求，引進和吸收國內外先進的技術工藝，成功研發出自主知識產權的全系列光纜配套金具和電力線路用螺旋預絞絲導線金具。 -
At last, the parameters, the hardware and the software of the power line modem based on ofdm are described
最後給出了基於ofdm的電力線數據傳輸器的硬體設計、參數及部分軟體設計 -
The traditional fire alarm systems are composed of a controller and detectors, and always transmit signals in the way of wireline transmission. however, the problems of long construction period, high rate of hardware fault and high cost of transmission line puzzle the administrators of fire control. but wireless communication in place of wireline communication can solve these problems effectively
傳統的集散式火災自動報警系統由火災報警控制器及火災探測裝置組成，其信號傳輸方面多採用有線傳輸，但是這種形式下的火災自動報警系統的施工工期長、硬體故障率高、傳輸線成本高等問題常常困擾著消防管理人員，而以無線通信代替有線通信卻能夠很好地解決這些問題。 -
Depended on the groups " powerful stength background, to establish king art " s ceramics high jumping - off point orientaion. the style force which is synchronnous with the international and the advanced production line, which had composed king art " s abundant software and hardware resource, but the refined material selacting and manufacturing process, to make sure of each king art " s ceramics products owning double leading superiorities on quality and style
以集團企業雄厚實力背景為依託，奠定金歐雅陶瓷高起點定位.與世界同步的頂尖生產線與設計力量，構成金歐雅充足的軟硬體資源，而精細化選料與製造過程，確保每一塊金歐雅陶瓷產品，都具備品質與樣式的雙重領先優勢 -
Testing of overhead transmission and distribution line hardware
架空傳輸和配電線硬體試驗 -
Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault
鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗，故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗，模擬的采樣率和硬體基本一致，由於硬體中帶有低通濾波器，故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解，使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息，然後對這一信息再繼續進行小波演算法分析，分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。
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