頻譜射頻頻譜 的英文怎麼說

中文拼音 [bīnpǔshèbīnbīnpǔ]
頻譜射頻頻譜 英文
spectrum
  • 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）...
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  1. All these forms of radiation together make up the electromagnetic spectrum

    所有這些形式的輻射共同組成了電磁頻譜。
  2. Acoustic emission spectrum

    聲發射頻譜
  3. The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db

    通過在裝置上做的兩種陰極的對比實驗，結果顯示:碳纖維陰極的使用，改善了電子束質量，使輻射微波的脈寬增加了30 %以上，輻射主瓣方向上的功率密度提高了3db以上，頻譜分佈較純凈，實現了微波的高效輸出。
  4. The feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article

    摘要分析了光纖傳輸系統的特性，及其對太陽射電頻譜日像儀的影響。
  5. At last, the further designing content and requirement about the transmission system for solar radio heliograph are proposed

    最後，提出構建太陽射電頻譜日像儀光纖傳輸系統需要進一步解決的問題和需深入探討的內容。
  6. The radio spectrum ? the segment of the electromagnetic continuum containing waves in the radio - frequency range ? accommodates countless communications devices today

    無線電頻譜（一個連續的射電頻率范圍區段）容納了今日無數的通訊頻率。
  7. First of all there are the remarkable achievements of a molecular radio spectroscopy in these clouds.

    首先應說到的是分子射電頻譜學研究這些雲所取得的顯著成就。
  8. On the basis of lorenz - mie theory, this paper is devoted to the research on characteristics of intensity and spectrum distributions of each order rainbow for a homogeneous particle, with the usage of geometric optics theory, airy theory and debye theory

    本文基於小粒子散射的lorenz mie理論，結合彩虹的其它理論（幾何光學理論、 airy理論、 debye理論）研究了均勻球、柱粒子各階彩虹強度分佈和頻譜特點。
  9. The event gave us a good opportunity to discuss the processes of magnetic change, energy release and particle acceleration in the corona during the preflare, especially using decimetric and microwave fine structure data. in this thesis, we report the solar type iv bursts and its associated fiber fine structures recorded on 14 july 2000

    中國國家天文臺懷柔觀測站的寬帶頻譜射電望遠鏡，觀測到了來自內日冕區的射電爆發及其精細結構，攜帶著耀斑爆發初期磁場變化、能量釋放的豐富信息，很有必要對其進行深入的理論分析和計算。
  10. For the purpose of determining the fine structures and deleting interferences in solar radio spectra, we introduce a data processing method with the combination of wavelet transform and channel - modification. firstly, the original data were divided by the each mean value at each channel, which can clean a large part of horizontal branch of grid - texture on spectrum. secondly, wavelet transform was applied to the result by the first step

    為此，我們首先引入了「通道歸一化」方法，它可以有效地消除網紋結構中的橫條紋，緊接著，再對第一步處理結果實施小波濾波，結果證明，兩種主要方法的聯合應用能夠有效地去除疊加在太陽射電頻譜圖中的網紋結構和其他噪聲，得到清晰的頻譜圖。
  11. Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic

    其次，建立了一個用來模擬簡單汽輪機軸系（只含有短直葉片）的兩端用滑動軸承支撐的jeffcott轉子模型，並用newmark方法求得了系統的周期響應，根據系統的周期響應、 poincare映射圖、頻譜圖、分岔圖等，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  12. As a result, we can clean grid - texture and delete interferences imposed on spectra, and also enhance the display of spectrum

    文章最後還對小波譜作了一定的探討，並應用到了太陽射電頻譜圖的去噪中。
  13. Electromagnetic compatibility and radio spectrum matters - maritime mobile transmitters and receivers for use in mf and hf bands - part 1 : technical chatacteristics and methods of measurements

    電磁兼容和射頻頻譜管理. mf和hf波段用海上移動發射機和接收機.技術特性和測量方法
  14. Telecommunications - electromagnetic compatibility and radio spectrum matters - electromagnetic compatibility standard for radio equipment and services - part 23 : specific conditions for imt - 2000 cdma direct spread base station radio and ancillary equipment

    電信.電磁兼容性和射頻頻譜管理.無線電設備和業務電磁兼容性標準.第23部分: imt - 2000 cdma直接擴譜基地臺無線電設備和輔助設備的特定條件
  15. Sample error probably caused from data collection circuit of rf virtual frequency spectrum analyzer instrument was emphasized, and some kinds of selectable resolution scheme were presented, then these schemes of advantages and disadvantages were compared and summarized by the way of theory analyse, matlab simulation and practice validate and so on, at last, the optimum scheme of rf virtual frequency analyzer instrument was decided and adopted

    重點對虛擬射頻頻譜分析儀中的數據採集電路可能造成的采樣誤差進行了分析，提出了幾種可供選擇的解決方案，經過理論分析、 matlab模擬和實際驗證等手段，對這幾種方案的優缺點進行了比較和總結，並最終確定了其中最適合虛擬射頻頻譜分析儀的方案。
  16. Ultrasonic backscattering microstructure feature of tissue s scatterer based on chirp - z transform cepstrum

    變換頻譜細化倒譜分析生物軟組織散射微結構特徵
  17. To smooth the transition, the fcc allows broadcasters to deliver both analog and digital signals over the tv spectrum ( channels 2 to 69 )

    為了順利完成轉移，通信委員會允許電視業者在電視頻譜（ 2 ~ 69頻道）中同時發射類比與數位訊號。
  18. Frequency spectrum characteristics of electromagnetic emission of loaded coal

    受載煤體電磁輻射的頻譜特徵
  19. Analysis of improving the quality of frequency spectrum of twt - transmitter

    改善行波管發射機頻譜質量的分析
  20. The method has been used to separate the frequent spectra of incident waves and reflected waves of the composed wave that are simulated by a numerical method. the results shown that the frequent spectra of incident waves and reflected waves being computed are consistent with the target spectrum and the bulk reflection coefficient is too. the frequent spectrum of reflection coefficient is same as the input round the peak frequency

    將此方法用模擬合成波波列的分離計算，結果表明，分離的入、反射波頻譜與輸入的靶譜符合良好，且計算的總體反射系數與輸入的總體反射系數一致，計算得到的反射系數頻率譜在峰頻附近與輸入值符合良好，說明該分析方法是可靠的。
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