頻譜劃分 的英文怎麼說

中文拼音 [bīnpǔhuàfēn]
頻譜劃分 英文
spectrum division
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 劃 : 劃動詞1 （撥水前進） paddle; row 2 （合算） be to one s profit; pay 3 （用尖銳的東西在別的東西上...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  1. This paper presents the principle and the maximum resolution of the spectral imaging followed by taking a case study as an example to discuss the application of this technique to sedimentary facies classification and the practical significance of it in progradation and retrogradation identification of sedimentary environment

    從理論基礎分析出發，首先介紹了頻譜成像的原理、最大解析度，然後結合國內某油田的實際情況，闡述用頻譜成像技術進行沉積相劃分以及判斷沉積環境水進水退的方法及實際效果。
  2. Compared with the fdd system, td - scdma adopting tdd, has no need of symmetrical frequency bands for uplink and downlink, and enables flexible and convenient planning and use of increasingly scarce spectrum resources

    與fdd系統相比， td - scdma採用時分雙工方式，上下行無需對稱頻段，可以見縫插針，靈活方便地規劃使用日益緊張的頻譜資源。
  3. Spectrum allocation for fm broadcasting

    為調頻廣播劃分頻譜
  4. Smart antenna may reduce coggege of electronic engineering of uestc, the cochannel interferences ( cci ), enhance the user capacity and spectrum efficiency, reduces the transmit power and electromagnetic interferences, enhance the transmit efficiency, dynamically divide cells in third generation cellular

    智能天線技術應用於第三代移動通信系統中具有可以減小因頻率復用造成的共通道干擾（ cci ） 、提高頻譜利用效率及增大系統容量、減小發射功率和空間電磁干擾、增加發射效率、對小區進行動態劃分等優點。
  5. Having referred to a lot of documents, the author analyzed the hfc network ' s frequency spectrum, topology and channel features

    論文作者查閱了大量文獻，分析了hfc網路的頻譜劃分、拓撲結構、通道特點。
  6. Cdma ( code division multiple access ) is a promising technology for future mobile communication system because of its several features with which other multiple access technology can not compare : higher efficiency of frequency allocation, robust anti - multipath effect, macro diversity, mitigating interference, soft capacity, low power, soft handoff, simple frequency design, easy access, and so on

    碼分多址接入（ cdma : codedivisionmultipleaccess ）方式以頻譜利用率高、抗多徑、抗干擾、軟容量、低功率、軟切換、宏分集、頻率規劃簡單、用戶接入方便等其它多址技術不可比擬的優越性被認為是未來移動通信系統的理想接入技術之一。
  7. Cdma ( code division multiple access ) is one of the promising technology for futufe mobile conununication system because of its several featurs with which other multiple access technology can not compare : higher efficiency of frequency allocation, robust ani - multipath effect, macro diversity mitigating intefference, soft capacity low powet, soft handoff simple frequency design, easy access, and so on

    碼分多址接入（ cdma ： codedivisionmultipleaccess ）方式以頻譜利用率高、抗多經、抗干擾、軟容量、低功率、軟切換、宏分集、頻率規劃簡單以及用戶接入方便等其它多址技術不可比擬的優越性被認為是未來移動通信系統的理想接入技術之一。
  8. In order to solve current problems in autofocus field, this dissertation fulfilled some important theoretical studies, such as autofocus theories and methods, focus measures, focus algorithms and focus framing technologies. furthermore, we have designed and construct two autofocus systems based on pc and dsp respectively. funded by the financial aids for cadre college teachers of the education ministry, this dissertation achieved a numbers of outcomes

    本文結合教育部高校骨幹教師計劃「 ccd成像頻譜分析與對焦演算法研究」 ，針對現有對焦方法存在的問題，主要就自動對焦理論與方法、對焦評價函數及演算法、對焦窗口的智能規劃等理論問題進行深入研究，並設計製作了基於計算機和dsp的自動對焦系統樣機。
  9. Frequency plan coordination with mainland authorities would be vital in deciding what frequencies are available and how many digital transmission multiplexes could be deployed during the analogue - digital simulcast period and after the simulcast is switched off

    與中國內地的頻譜規劃協調，在模擬及數碼同步廣播期間以及結束后，決定可使用的頻譜及數碼傳輸頻道方面均十分重要。
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