通信中繼線路 的英文怎麼說

中文拼音 [tōngxìnzhōngjìxiànlù]
通信中繼線路 英文
retransmission link
  • 通 : 通量詞（用於動作）
  • 繼 : Ⅰ動詞（繼續; 接續; 接著） continue; succeed; follow Ⅱ副詞（繼而） then; afterwards
  • 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...
  • 通信 : communication; communicate by letter; correspond
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs

    萬能輸入，可與各類傳感器、變送器配合使用，實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出；通過串列通信口，可在上位計算機中實現全部儀表參數的讀寫；還可為兩線制變送器提供24vdc電源； 4位高亮度led數字顯示；對輸入信號有多段折線修正功能可選；一臺儀表最多可配4個報警繼電器輸出、一路變送（或通信）輸出和一路配電輸出。
  2. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
  3. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  4. Providing an extremely flexible method for establishing communications, the mobile self - organizing network has potential applications in both military and commercial communications. based on the gsm wireless communication system and the ad hoc network, there are two level hierarchies in the mobile self - organizing network : wireless routers and wireless hosts. wireless routers perform the function of constructing routes, forwarding data, and locating mobile hosts

    結合蜂窩式無線移動通信系統和adhoc網路的特點，本文設計了具有兩級網路結構的無線移動自組織網路系統，使用專門的無線設備? ? 「無線路由器」構成具有用戶無線接入、無線組網和路由功能的無線互連網路，為移動用戶提供無線接入、路由和中繼服務。
  5. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。
  6. The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system

    該系統有效地克服了電力線噪聲和阻抗變化等干擾因素，提高了抗干擾能力和通信成功率，同時提出軟體中繼的思想和演算法並加以實現，進一步抑制了線路衰減快的問題，使載波通信的距離增加，滿足了遠程抄表系統的要求。
  7. It developments and follows the advantages of traditional instrument control system and computer central control system and make up for their disadvantages so that it is applied in oil, chemistry, mineral, electricity, silk, food and water est. with its new frame, modern technology, complex information and unique control mode. it has become mainstream in process control system

    它繼承和發展了常規儀表控制系統和計算機集中控制系統的優點，又彌補了它們各自的不足，以嶄新的結構體系、先進的技術面貌、復雜的信息處理功能和獨具風格的控制方式應用於石油、化工、治金、電力、紡織、造紙、食品和水處理等各個工業生產領域，已經逐步成為過程式控制制系統發展的主流，它的優點在於網路結構簡單，且通信電纜少，布線容易，節省材料和費用，減少了維護工作量。
  8. According to the standard of can agreement the message agreement for the system has been designed. whose design thinking and its realizing way of the three kernel parts ( can kard ^ can oriented object and field communicatioan interface moudule ) in the system have been given. it is applied by the oriented subject technigue, and through the analyses of ststic characteristic, and dynamic characteristic of the equipment, the configuration tool category has been gotten to complete the configuration to equipment

    系統通過傳輸介質把監控中心和現場通信介面模塊掛接在can總線上，組成一個控制器局域網路，從而實現對各種在線通信電源設備的分散控制、統一管理；根據can協議的規范設計了系統的通信協議，給出了系統中三大核心部分（ can適配卡、 can中繼器和現場通信介面模塊）的設計思路和實現方式，並給出了相關硬體電路的結構框圖以及軟體設計流程圖；運用面向對象技術，通過對設備的靜態特徵和動態特徵的分析，得到其組態工具- -類，完成對設備的組態。
  9. According to the mil - std - 188 - 220b protocol of american army, data packets can be relayed and forwarded automatically by nodes in network. the network can detect the change of topology in internal system and assure the information to be sent to the destination node in connective network. furthermore, it comprises of the radio data transmitting network for some equipments such as tactical data terminal and computer so on

    本質上，它屬于無中心的自組織分組無線網，按照美軍戰術網際網路「數字消息傳輸設備子系統互操作標準」 （ mil - std - 188 - 220b協議） ，通過節點對數據分組的自動中繼轉發，使網路能夠自動探測到系統內部拓撲結構發生的變化，保證信息能達到網路中所有連通的節點，為戰術數據終端和計算機等設備提供無線數據傳輸網路。
  10. The research on discrete event systems ( des ) is begun in the 1980 ' s. with the rapid development of information techniques, computer science and robotics, lots of manmade systems have appeared in communications, manufacture, traffic and military affairs. the flexible manufacturing system ( fms ), communication network, aerodrome traffic control system and military c3i system are the typical examples of manmade systems

    離散事件系統（ des ）的研究興起在八十年代初期，隨著信息處理技術、計算機科學和機器人技術等的發展完善和廣泛應用，在通信、製造、交通管理、軍事指揮等領域相繼出現了一些反映技術發展方向的人造系統，其典型的例子如柔性生產線或裝配線、大規模計算機和通信網路、空中或機場交通管理系統、軍事指揮中的c ~ 3i系統等。
  11. Wireless mobile ad hoc network is composed of mobile terminal nodes with wireless communication device, and typically characterized by its temporariness, multi - hop and no - center. it has an infrastructureless distributed mufti - hop structure ; all nodes have an equal status and act as two roles - router and node itself

    無線移動adhoc網路是由一組帶有無線通信收發裝置的移動終端節點組成的一個多跳、臨時、無中心網路，網路中各個節點的地位平等，每個節點都具有主機與路由器的雙重功能，形成了一個以中間主機節點為中繼的、多跳的分散式網路結構。
  12. Because of radio wave propagating along the ducts with enhanced fields on the order of the free - space field, the problems of the co - channel interference are more complicate for communication systems with the results of intersystem interference and the formation of other system, and therefore affecting the determination of the coordination distances or the optimization of the distribution and separation of delay, and for surveillance system such as radar system the problems can be radar holes or the extensions of detect range

    對于通信電路，它使系統間的相互干擾問題變得復雜，既可能幹擾其他系統又可能形成另外的系統，從而影響系統的有關參數如中繼電路的最佳組合（分佈、間隔）和協調距離，對于探測系統產生的則是雷達空洞、超視距探測等問題。這些問題對相關無線電系統特別是軍事應用系統可能是致命的，因而以波導傳播為代表的反常傳播特性研究受到極大重視。
  13. With the rapid development of wireless communication technology and computer technology ， people wish to get reliable data communication service any time and any where. traditional network can not supply communication service if the whole network need to move because the network devices are fixed by wires and can not move. so, ad hoc network comes. it can provide mobile data communication service compared with traditional network. ad hoc is a network with plat structure and all the nodes is equal. all the nodes need provide relay. but not all the nodes will provide relay and the performance of plat structure is poor in large scale. so the wireless mobile self - organized network adopts a two - level structure by referencing the cell mobile communication system. wmsn uses wireless routers to construct network. it can provide wireless access, relay services to users

    考慮到不是所有的站點都願意提供中繼服務及平面結構的局限性（在網路規模較大時性能會很差） ，本課題的無線移動自組織網路參考了蜂窩移動通信系統的特點，是一種具有兩級結構的網路。使用專門的無線設備? ? 「無線路由器」構成具有用戶無線接入、無線組網和路由功能的無線互連網路，為移動用戶提供無線接入、路由和中繼服務。 ieee802 . 11b可以提供很高的通信速率，可以提供很好的接入性能，並且支持ieee802 . 11b協議的設備正成普及的態勢，因此成為我們所選擇的鏈路層協議。
  14. The latter primarily improves the transmission distance and reliability by selecting the repeater automatically. the frequency domain auto - adaptatation filter algorithm is deduced and reliabity by selecting the repeater automatically. the frequency domain auto - adaptaion filter algorithm is deduced and a method of frequency domain algorithm to restrain the marrow band interference is given on the foundation of the time domain minimum mean square error auto - adaptation filter. then the meter reading system to can learn the power network structure and automatically create linked path by using neural networks auto - study ability and analyzing the reading data

    後者主要是對中繼節點的自動選擇，以提高信息的傳輸距離與可靠性。針對電力線擴頻通信通道的特點，在時域最小均方誤差自適應濾波演算法的基礎上，推導了頻域自適應濾波演算法，並提出了頻域演算法抑制窄帶干擾的具體方法。運用神經網路的自學習方法，通過對抄讀數據進行分析，使抄表系統感知電網拓撲結構，自動建立中繼路徑。
  15. Qe1 achieve the whole synchronization by software and hardware. during the course of the initialization of the qe1 system, the chip pm4354 can accomplish the task of synchronization of bit, frame and multiframe after the chip initialization by the software. after pm4354 accomplishes the bit synchronization, qel will read the status registers of the pm4354 to get the status of each el circuit and choose recovered clock of the specified the el circuit as the external timing source of the whole htc - 5200an equipment

    Qe1系統在系統初始化時，通過軟體完成對硬體晶元pm4354的初始化工作后，便可利用該晶元完成4路e1的同步（位同步、幀同步和復幀同步） ；在pm4354完成時鐘提取的任務后， qe1通過不斷地訪問pm4354的狀態寄存器，獲得每路e1的狀態信息，在時鐘源的選擇原則下，選擇指定e1線路的恢復時鐘作為整個htc - 5200an節點設備的外部參考時鐘，從而解決了htc 5200an的中繼板卡由e1變為qe時所帶來的網同步時鐘源。
  16. The venue communications area relates to the scoping of roaming communications device requirements for all games users, provision of operational support at the venues for communications through operating venue communications centres ( vccs ), definition of all radio protocols and approval of all call - signs to be used on the olympic radio network, training of all trunked radio users in the use of the radio and required protocols and the development, production and distribution of communications tools such as venue contact lists to the games team

    場館通信工作包括確定奧運會所有用戶的漫遊通信需求范圍，通過場館通信中心（ vcc ）為所有場館提供通信運營支持，定義所有的無線通信協議，批準奧運會無線通信網路中使用的所有呼叫信號，對中繼式無線通信用戶進行無線通信使用和相關協議的培訓，以及製作場館聯絡清單等通信工具並分發給奧運團隊。
  17. In this part, the two anterior chapters mainly discuss the various basic theories used by the designing for the propagation paths of the electric wave. the theories include the computation methods for the fade and the loss of various propagation paths and obstructions, the engineering estimation methods of the flat fading and frequency selected fading, the designing methods of space diversity and frequency diversity, etc. at the same time, the special designing method of the sea - across path is discussed in detail

    本文首先闡述了微波中繼通信工程設計中的相關知識，其中前兩章主要論述了線路設計中所用到的種種理論基礎知識，包括對于各種路徑情況、障礙情況的衰落與損耗的不同計算方法，平衰落與選擇性衰落中斷率的估算方法，天線分集和頻率分集技術的理論知識和設計方法等等。
  18. The master communicates with the relay unit by serial communication interface and the relay unit communicates with module unit by wireless communication network

    上位機和中繼單元之間採用串列口通信，中繼單元和模塊單元之間採用無線網路進行通信。
  19. Information technology. international standardized profile rb. relaying the connection - mode network service. definition of profile rb51. 1111, relaying the connection - mode network service betweeen csma cd lan subnetworks and psdns using virtual calls over a pstn leased line permanent access

    信息技術.國際標準化數據區rb .中繼連接模式網路服務. csma cd局域網子網路和使用在pstn租賃線路永久性通路上進行虛擬呼叫的psdn之間的中繼連接模式網路服務的數據區rb51 . 1111的定義
  20. The principle and control method of the wireless communication network were introduced detailedly. and the communication area was computed too. and then the software system which includes master, relay unit and module unit was designed on the basis of hardware

    以pic16f877a單片機為核心設計了中繼單元和模塊單元控制電路;詳細分析了無線通信模塊的工作原理、控制方式，並計算了無線模塊的通信距離;在硬體的基礎上設計了包括上位機、中繼單元和模塊單元在內的軟體系統。
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