短波無線電臺 的英文怎麼說
中文拼音 [duǎnbōwúxiàndiàntái]
短波無線電臺
英文
short wave radio station- 短 : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
- 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...
- 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 : 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...
- 臺 : 臺名詞(指臺州) short for taizhou (in zhejiang province)
- 短波 : [電學] sw (short wave); high frequency wave
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
- 電臺 : 1 (無線電臺) transmitter receiver; transceiver2 (廣播電臺) broadcasting station; radio statio...
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Electromagnetic environment requirements for shortwave radio receiving stations
短波無線電收信臺Thinking on management of ultrashort wave station
關于超短波無線電臺站管理的思考Specification for calculation of protecting distance for ac high voltage overhead power transmission lines to shortwave radio direction finding stations and receiving stations
交流高壓架空送電線對短波無線電測向臺站和收信臺站保護間距的計算規程Specification for calculation of protecting distance for ac highvoltage overhead power transmission lines to shortwave tadio direction finding stations and receiving stations
交流高壓架空送電線對短波無線電測向臺Special function will be implemented by downloading special software into the hardware platform, and the system can be constantly upgraded by continually upgrading the software. the author programs all the software which defines all the functions of if digital receiver taking fm receiving as example, which makes it the if digital unit of ultrashort fm transceiver
通過向這個通用硬體平臺上加載相應的軟體完成特定的通信功能,通過對軟體的升級可以對這個系統不斷升級,作者設計了使這個硬體平臺完成調頻信號數字接收機功能的全部軟體,使這個硬體平臺可以作為軟體無線電超短波調頻電臺的中頻數字化模塊,承擔調頻信號的數字解調。By the means of downloading software into the if digital hardware platform, some satisfying results have gotten and shown in this dissertation with help of circuit board and measuring devices, which fully testifies the feasibility of theory and realization of if digital technology in software radio and the feasibility of this project as if digital unit of ultrashort transceiver
最後,將軟體加載到中頻數字化硬體平臺上,藉助電路板和測量設備,得到了滿意的試驗結果,充分證實了軟體無線電中頻數字化技術的理論和實現的可行性以及本系統作為軟體無線電超短波調頻電臺的中頻數字化模塊的可行性。The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver
海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統,本論文研究目標的技術關鍵在於根據系統要求,指揮船和發射船監控記錄設備通過短波電臺以無線數傳方式,對浮標系統的工作狀態進行指揮和控制,浮標則通過同一短波通道向指揮船上報浮標方位、工作狀態、關鍵數據及非常狀態下的報警信號等。Similarly, radio stations transmit programs to distant countries in short waves which can travel all around the world
同樣,無線電臺用短波把節目傳送到遙遠的地方,到達世界的各個角落。The author ' s main work lies on the implementation of baseband procedure hardware according to the military standard. this paper emphasizes in the estimation of lqa ( link quality analysis ) parameters during ale, and specify synchronization method during ale. finally the paper narrate the design scheme and implementation method of hf radio station
作者的主要研究工作集中在按照軍標的規定實現了ale系統基帶處理部分的硬體設計,本文著重分析了在自動鏈路建立過程中lqa ( linkqualityanalysis )參數的估算問題,並研究了自動鏈路建立時的同步方法,最後闡明短波無線電臺實驗系統設計方案與實現方法。The basic characteristics, framework, principles of dominant parts and application of those are studied and illustrated. at the last chapter, by devising a short - wave radio station aforementioned fundamental theories are put into practice especially digital modulation, demodulation, ddc and dug etc. the implement framework and design method of sdr are discussed by data transmission of voice including dug modulation in transmit module and ddc demodulation in receive module. moreover, satisfied results are obtained by validation on the sb3410 platform in bluewave system
針對論文設計中用到的兩個比較重要的器件hsp50214b下變頻器和hsp50215上變頻器,作了較為深入的研究並給出了詳細的描述,包括基本特徵、框架結構、各主要部分原理及在設計中的應用;在最後一章,通過設計一個短波無線電臺,將前面的基礎理論尤其是數字調制、解調及數字上、下變頻等應用於實踐中,通過實例討論話音數據傳輸的軟體無線電實現結構及設計方法,包括發射模塊中的上變頻調制和接收模塊中下變頻解調等,並在bluewave系統的sb3410平臺上運行驗證,取得了較為滿意的結果。This scheme has been used in the project of “ multi - band, multi - mode digital ultrashort wave radio ” and “ software radio data transmission radio ”
該方案已經應用於某公司的「多頻段、多模式機載數字超短波電臺」和「軟體無線電數傳電臺」的項目中。All these make it possible for software radio ' s realization. according to the concept of software radio, the thesis realized digitalized demodulation by software after the if. based on a uniform hardware platform, diverse arithmetic is used to demodulate lsb, usb, am, cw signal
本文即是依照軟體無線電的思想,對短波接收機中頻以後實現數字化改造,在統一的數字信號處理硬體平臺上,利用通用的dsp器件採用不同的軟體演算法來實現lsb 、 usb 、 am等信號的解調。During the ceremony, mr. c y lam, director of the hong kong observatory, recalled that the gathering of meteorological observational data from the mainland relied upon the reception of short wave radio broadcast by mtc colleagues. the morse code broadcasts were skillfully decoded into textual messages, and which were kept in good conditions
天文臺臺長林超英于會上憶述:從前接收中國內地氣象觀測數據,是依靠氣象電信中心同事細心收聽短波無線電廣播,把資料從摩斯電碼morse code一一編譯成文字報文,並完好的保存下來。Chapter 2 introduces the key technology for all - digital receivers. chapter 3 gives a synchronization scheme for burst mode qpsk based on dpll using a certain preamble first, then a short - wave burst - mode 8psk all - digital blind receiver is proposed., all of the scheme is demonstrated in detail.,
全文結構安排如下:第一章為序論部分,介紹了當前短波通信中的新技術和新體制以及軟體無線電臺的概念、發展趨勢和相關應用;第二章介紹全數字接收機中的關鍵技術。分享友人