radio wave transmission 中文意思是什麼

radio wave transmission 解釋
無線電波傳播
  • radio : n. 1. 無線電訊[電報，電話]；無線電，射電。2. 無線電廣播；無線電（廣播）臺。3. 收音機。vt. ,vi. 用無線電傳送[廣播]；（向…）作無線電廣播[傳送]；用X射線拍照；用鐳醫治。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  1. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上，討論了幾種採用典型調制技術的短波數傳系統（如時頻調制、多進制頻移鍵控慢跳頻、 chess系統）原理、優缺點以及抗衰落和抗符號間干擾的性能；分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術；在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制，給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案，並通過計算機模擬進行了初部驗證。
  2. Definitions of radio frequency transmission lines ; mean characteristic impedance, mean standing wave ratio

    無線電傳輸線路的定義.平均特性阻抗平均駐波比
  3. The thin pulses of radio carrier wave cause currents to flow through the nervous system - the result is a remote transmission ; no wires or contact is needed

    這個細微的脈沖載波導致電流流到神經系統-結果是一個遠程的傳播，無線或聯系是需要的。
  4. 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。
  5. The descendants and the older generation have the similar heredity gene, thus the shen wu dian magnetic wave has similar kind of transmission, being able to induce, just like the radio only can receive the electromagnetic wave that is of the same frequency

    子孫與先輩具有同類型的遺傳基因，其生物電磁波之間具有同位信息，能夠感應，就象收音機只能接收到頻率相同的電磁波一樣。
  6. 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。
  7. To the radio system on the land the frequency of electromagnetic wave is often between 300khz - 3000ghz, so the general model of transmission loss within this wave range are adopted

    由於陸上無線電系統使用的電磁波頻段常在300khz - 3000ghz之間，因此採用了此頻段的通用電磁波傳輸損耗模型。
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