載波通信 的英文怎麼說
中文拼音 [zǎibōtōngxìn]
載波通信
英文
carrier current communication- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 通 : 通量詞(用於動作)
- 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
- 通信 : communication; communicate by letter; correspond
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Self supporting telecommunication aerial cables on overhead power lines above 1 kv vde - specification
電壓大於1kv的電力架空線的載波通信高空電纜vde -規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。Traditional power line carrier communication has some shortcomings on communication quality, which let it does n ' t adapt to the dement of the power developing
電力線載波通信以電力線為載體,與其它通信方式比較有著特殊的優勢。傳統的電力線載波通信在通信質量上的缺陷使其不能適應電力發展對通信的要求。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。Application of power - line loaded wave and amplified frequency communication in the automatic transcribing kilowatt - hour meters system
電力線擴頻載波通信在自動抄表系統中的應用According to the principle of spread spectrum communication, the anti - interference performance of the technology is discussed and the composition of power line spread spectrum communication is described. based on the spread spectrum technique, a method which is low cost, high communications quality and low bit error for power line carrier communication using single - chip software programming is proposed
利用擴頻通信原理,分析擴頻通信的抗干擾特性,在此基礎上,闡述了電力線載波通信系統的基本結構,提出了一種利用軟體編程實現電力線載波擴頻通信的方法。該方法不增加硬體成本,即能達到提高通信質量、降低誤碼率的目的。This thesis presents the studies of the physical layer of power line communications, which is an ofdm - based transmission system. it gives feasible algorithms, and primary implementation of some key modules is discussed as well
本文主要的研究對象使基於ofdm的電力線載波通信傳輸系統的物理層,對電力線載波通道進行了著重的分析,給出響應的估計演算法以及硬體實現模塊。Considering the requirement of communication network, a local area computer communication system of plc based on usb interface was given after analyzing the application model of plc. then after theoretical analysis and digital simulation, the plc modem and the computer interface models were designed. the design of software about the two models was also finished
本文首先介紹了電力線通信技術在國內外的研究概況,分析了電力線載波通道的傳輸特性,討論了適合於電力線通信的擴頻載波通信方式,然後結合通信網路的要求,在分析電力線通信應用模式的基礎上,提出了一種基於usb介面的室內計算機電力線通信方案,進行了理論上的分析和數字模擬,設計了電力線modem模塊和計算機介面模塊,編制了相應的軟體程序,並對軟體進行了測試分析。This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost
文章不僅全面地介紹了電力線載波通訊技術的特點、應用及其發展狀況,還對目前的電力線載波通訊晶元進行了比較;並通過對低壓電網通道特性的分析和研究,抽象出其載波通道模型,在此基礎上,提出了將擴頻調制和通道編碼相結合的傳輸技術用於低壓電力線載波通信,這可以在很大程度上解決電力線的干擾問題,且不必付出高昂的代價。The design of replacing tms320c25 with tms320f
一種電力線載波通信系統的設計與實現Technical code for designing power line carry communication
電力線載波通信設計技術規程Specification for line traps for power line carrier systems
電源線載波通信系統用線路陷波器規范Channel estimation in single - carrier frequency domain equalization system
多載波通信系統中的應用Design reliability for low - voltage power line carrier communication
低壓電力載波通信中的抗干擾設計The application of power line communication technology based on pl3150 pl
一種新型電力線收發器在電力線載波通信中的應用An adaptive impedance matching system model for power line communication system
電力線載波通信中的自適應阻抗匹配系統模型Some viewpoints on the current state and development direction of plc communication
電力線載波通信的現狀及發展方向的幾點看法Application of power line carrier communication to blade coal feeder monitoring system
電力載波通信在葉輪給煤機監控系統中的應用An application of power line carrier communication technology to intelligent building control
電力線載波通信技術在樓宇智能監控中的應用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。分享友人