電信與無線 的英文怎麼說
中文拼音 [diànxìnyǔwúxiàn]
電信與無線
英文
telecom & wireless- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 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...
- 電信 : electric(al) communication; telecommunication; telegraphy; traffic; telecom電信電纜 communicati...
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
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Making use of the packet data service and short data service of tetra, the mcs system enables front - line officers to use their portable radios and in - vehicle mobile data terminals mdts to exchange data messages with rcccs
流動電腦信息系統利用地面集群無線電的封包數據服務和簡短數據服務,令前線警務人員可以使用手提無線電通訊機和車上的流動數據終端機與總區指揮及控制中心交換數據信息。So it holds a ideal ability to anti - interference and has 2 scalar level resolution in location and measuring velocity than traditional radio induction technology. and the channel composed of the new radio induction system for communication is different from the parameter - constant channel and the traditional parameter - changing channel, its parameter is decided by the mutual induction between its antenna and induction - cable, by the location of its antenna, by the signal frequency passing through, its parameter has nothing to do with the time parameter. the channel composed of the new radio induction system is a new parameter - changing channel independently of time for communication
而且,由新型無線感應系統組成的通道既不是恆參通道,也不是一般目前所知的變參通道,其通道傳遞函數的幅值只與信號的頻率有關,與系統中天線和感應電纜之間的互感和天線的位置有關,而與時間無關,其通道傳遞函數的相位只與天線的位置有關,而與時間無關,由新型無線感應系統組成的通道是一種不隨時間變化的新型變參通道。One of the most brilliant scientific achievements of the war was the development, exclusively by the osrd, of the proximity fuse.
戰時最為卓越的科研成就之一,是由科學研究與發展局獨家研製的無線電引信。6 type products whether one have whorl, card lock connection device of organization, it apply to post and telecommunications communication equipment, figure buy the line device extensively, the radio instrument waits until joining the coaxial cable of the radio frequency to use in the radio frequency return circuit, and can change each other with the products that iec60169 - 13 stipulate
型產品是一種具有螺紋、卡鎖機構的連接器,它廣泛應用於郵電通信設備、數字配線裝置,無線電儀器等射頻迴路中連接射頻同軸電纜用,並能與iec60169 - 13規定的產品相互換。Compared to the analogy or the base - band sampling solution, this structure not only enhanced the system mobility, the flexibility and stability, but also reduced the cost, moreover it may be a public platform, which realize multi - purpose and multi - service patterns communication signal despread and demodulation, has fully reflected the thought of software radio
與採用模擬或基帶采樣解擴解調方式相比,這種結構既增加了系統的機動性、靈活性和穩定性,同時價格大幅下降,而且可以作為一個公用平臺,實現多功能、多制式通信信號解擴解調,充分反映了軟體無線電的思想。With the development of micro - electronic, sensor technology and communication technology, wsn develops rapidly and has made a great progress recent years. what ’ s more it has been used in some military and civilian applications successfully
隨著微電子技術、傳感器技術及通信技術的發展,無線傳感器網路技術發展迅猛,在軍事與民用方面的一些具體應用取得了成功。The automatic identification of the modulation types has been applied to many fields such as source identification, interference identification, radio interception, - electronic countermeasures, etc. the modulation recognizer based on the decision - theoretic approach and the constellation diagram is proposed and the signal ' s kurtosis is used as the indicator to differentiate the analogue modulation from the digital modulation
通信信號調制類型的自動識別廣泛應用於信號確認、干擾辨識、無線電偵聽、電子對抗和信號監測等領域。本文提出基於決策論與星座圖的綜合調制識別器,使用信號的峰度區分調制類型是模擬調制還是數字調制。The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research
調制類型的自動識別廣泛應用於民用通信與軍用通信,尤其是對于非合作性通信、通信對抗,比如:信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上,借鑒了已有的特徵提取方法,對相關調制類型特徵提取方法進行了優化,使用了一些有效的方法,如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析,本論文選擇了較適合的基於決策理論的識別演算法。Siemic, inc. headquartered in the heart of silicon valley, with superior facilities in us and china, is one of the leading independent testing and certification facilities providing clients with one - stop shop services of regulatory compliance testing and certification accessing global markets
總部位於美國矽谷並獨資擁有訊邁科技(中國)有限公司的(美國)信科檢驗認證集團,由中國,美國,加拿大,歐盟,日本,韓國和新加坡等授權,並與阿根廷,巴西等檢驗和認證機構合作提供全球128個國家和地區的一站式電子電氣,通信產品和無線設備的產品符合性檢驗和認證認可服務。Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix
無線感應通信是基於電磁感應原理,利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式,具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。In both radio and television receivers, once the basic signals have been separated from the carrier wave they are fed to a loudspeaker or a display device ( usually a cathode - ray tube ), where they are converted into sound and visual images, respectively
在無線電和電視兩個接收器中,一旦基本信號與載體電波分離,即被供于擴音器或顯示設備(通常是陰極攝像管) ,在那裡它分別被轉換成聲音和可視圖像。They fulfill communication with the gsm modem, read ring signal, and check on - off hook timely respectively
分別執行與無線通信模塊的通信,讀取來電信號,定時查詢話機的摘掛機狀態功能。Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network
該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后,並設置在布防狀態。一旦有盜賊闖入防範地點,探測器立刻發射無線編碼信號,安裝在距防區150米以內的主機立即發出警笛聲報警,報警時撥打預先設定的聯網中心號碼或報警電話手機號碼,接警電話里回放用戶預錄的報警語音,遠程報警,同時通過網際網路來實時傳遞布防撤防報警等狀態,通過電腦網路來查詢歷史記錄。Magnus sandell et al. ml estimation of timing and frequency offset in multicarrier systems. research report, div. of signal processing, lulea university of technology, sweden
作者簡介:韓重陽( 1981 ? ) ,男,河南駐馬店人,東南大學無線電工程系2005級碩士究生,研究方向為通信與信息系統。Basic standard for the calculation and measurement of electromagnetic field strength and sar related to human exposure from radio base stations and fixed terminal stations for wireless telecommunication systems 110 mhz - 40 ghz
與人體暴露于無線通信系統110 mhz 40 ghz基地電臺和終端電臺相關的電磁場強度及sar的計算和測量基本標準The software adopts three kind of control mode to start up the data acquisition system, it ensures reliability of the acquisition system. the control system communicates with the shipborne support system adopting broadcast when down and timing when up, and requires return for the remote instructions, so it ensures the communications of the five bouys with the control and acoustic emission vessel. this software is based on assemble language of mcs51, it is held in the eprom in mcu
控制和通信軟體採用設定採集時間表、外推採集與啟動採集三種方式控制採集系統,可靠地保證了遠程、無人值守浮標在長時間、連續工作情況下數據採集的很高的可靠性;控制和通信軟體採用下行廣播、上行時分的工作哈爾濱工程大學碩士學位論文方式實現各浮標與船載分系統間的通信,且無線電遙控指令執行反饋,可靠地保證了浮標與船載分系統間的通信。Based on these characteristics we adopted a project which combines the wire and wireless technology when it is in research. the design of image processing card which is used to process the data of monitoring site with the technology of pci bus is completed. the design of the circuit of sending and receiving information which is the analogue measuring date of temperature and humidity of monitoring site with blue - tooth technology and the design of circuit of sending and receiving & processing alarm data which is generated when emergency happens in monitoring site with rf technology are completed
根據家庭安全系統應具備點位布控靈活、明線不宜太多以及架設與拆卸必須方便的要求與特點,本系統在研製時採用了有線與無線技術相結合的解決方案:利用pci總線技術完成了用於監控場所景況數據處理的圖像採集處理板的設計;利用藍牙技術完成了用於監控場所溫度、濕度等模擬量測量的信息發送電路和信息接收處理電路的設計;利用rf技術完成了用於監控場所緊急情況報警的告警發送電路和告警接收處理電路的設計。These projects have ranged from analog rf communications ic design in the field of mobile telephony, mobile handset, cordless and wll solutions, production ready design of measurement instruments and complete design and implementation of a factory monitoring system with remote access
具體涉及移動電話所使用的模擬射頻通信集成電路設計,手機、無繩電話及無線本地環解決方案,可即刻付諸生產的測量儀器設計以方案以及完整的工廠遠程監控系統設計與應用解決方案。Remember that mobile and cordless telephones are not secure forms of communication and that e - mail is comparable to sending a postcard
請緊記行動電話及無線電話並不安全,而電子郵件實際上與明信片並無分別。Four network platforms - qq, qq. com, qq game and paipai. com created and their vast communities respectively formed, we have primarily set up a new business layout and industry model - online society. tencents diversified products satisfy users multi - requirements in their daily life, such as qq. com, qq im and foxmail acquired in early of 2005 for transmitting information and obtaining knowledge ; personalized blog, q - zone together with our bbs, chatting room and group discussion function making group communication and sharing resources more easily ; characterized showing and entertainment being satisfied by qq show, qq pet, qq game and qq music radio tv on live, the special wireless value - added service, color ring and message just for those mobile users ; an c2c website, paipai. com being designed and developed for our tencent s users, now it is already combined with other products seamlessly
在滿足用戶信息傳遞與知識獲取的需求方面,我們有qq . com門戶qq即時通訊工具以及年初收購的foxmail電子郵件滿足用戶群體交流和資源共享的方面,騰訊推出的個人博客qzone將與我們訪問量極大的論壇聊天室qq群相互協同在滿足用戶個性展示和娛樂服務方面,騰訊擁有非常成功的虛擬形象產品qqshow qqpet寵物和qqgame游戲qqmusic radio livetv音樂電臺電視直播產品,另外對手機用戶提供彩鈴彩信等無線增值業務在滿足用戶的交易需求方面,專門為騰訊用戶所設計開發的c2c電子商務平臺拍拍網已經上線,並和整個社區平臺無縫整合。分享友人