載波通信系統 的英文怎麼說
中文拼音 [zǎibōtōngxìnxìtǒng]
載波通信系統
英文
carrier communication system- 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)
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 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
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Application study on low - voltage power line carrier wave spread spectrum communication system
低壓電力線載波擴頻通信系統的應用研究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。Application of paired carrier multiple access technique in satellite communications
衛星通信系統成對載波多址技術的應用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。This thesis researched the time synchronization method for 2d - ss system, and deeply discussed the bit error rate ( ber ) performance of multicarrier domain spread spectrum chip - level differential detection ( mc - ss - cldd ) in the presence of multi - user interference
本論文從多載波擴頻通信系統出發,提出了廣義二維擴頻系統的同步演算法,並對多載波頻域擴頻碼片級差分檢測技術在多用戶情況下的系統性能進行了深入的研究。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。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。The design of replacing tms320c25 with tms320f
一種電力線載波通信系統的設計與實現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Standards for protective space between medium and short wave radio emission stations and cablecarrier communication systems
中短波廣播發射臺與電纜載波通信系統的防護間距標準Distribution automation using distribution line carrier systems - part 1 - 2 : general considerations - guide for specification
配電線路載波通信系統用配電自動機械.第1 - 2部分:概論.規范指南Standard for potective specing between medium, short wave broadcast transmitting station and electric cable carrier telecommunucation systems
中短波廣播發射臺與電纜載波通信系統的防護間距標準The author have taken pat in studyng and designing the project of wfplc3510 iniddle - voltage power line carrier commnication system
本文是作者參與開發的wfplc3510中壓配電載波通信系統課題的研究與設計。Distribution automation using distribution line carrier systems - part 1 : general considerations - section 1 : distribution automation system architecture
配電線路載波通信系統用配電自動機械.第1部分:概論.第1節:配電自動化系統結構We firstly introduced the research background and the characteristics of multicarrier wireless communications, and summarized the questions needed to be further researched
論文首先對論文工作的研究背景進行了簡述,介紹了多載波通信系統的特點,總結了需要進一步解決的問題。Distribution automation using distribution line carrier systems - part 1 : general considerations - section 4 : identification of data transmission parameters concerning medium and low - voltage distribution mains
配電線路載波通信系統用配電自動機械.第1部分:概論.第4節:中級和低壓配電干線A lower voltage power line carrier communication system on spread spectrum technology based on this condition is designed, which is composed of a singlechip computer at89c51 and pl2101b. this article described the hardware and software of the system, and the field - test showed the system is feasible
在此基礎上,開發了基於擴頻技術的低壓電力線載波通信系統,系統主要由at89c51和擴頻通信晶元pl2101b組成,完成了該系統的硬體設計、製作,軟體的編程和調試。The creative work to this problem and the work to article are described simply the author introduces the various ways of communication, compares the power line cdrier communication and others, the question of the system ' s designing is put forward, the wfplc35l0 anddle - voltage power line carrier communication system how to work and how to transinit
本文詳細的介紹了wfplc3510中壓配電載波通信系統的結構、 wfplc - m1中壓配電載波數據機的軟、硬體設計、耦合裝置的設計並提出了一種在工程實際中經常遇到的配電線出現斷點情況下,載波信號跨越斷點傳遞的解決方案。Base on the chip - essc16 the hardware and software design of a low - cost, - cost, high - reliability power line carrier communication system are realized in the paper. the system has already applied in liaoning, hebei and shandong etc., the users are satisfactory with its communication reliability and transmission capability
本文最後完成了基於esssc16載波晶元的電力線載波通信系統的物理層設計和軟體設計,該系統具有功能齊全、結構簡單、系統組建靈活的特點,目前已在遼寧、河北、山東等地安裝使用,在通信可靠性、傳輸質量上非常適合我國電力線現狀,用戶反映良好。分享友人