頻譜指數 的英文怎麼說

中文拼音 [bīnpǔzhǐshǔ]
頻譜指數 英文
spectrum index
  • 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）...
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. Kochs ek, bischoff p, pichelmeier u. surgical stimulation induce in brain electrical activity during isofluane / nitrous oxide anesthesia j. anesthesiology, 1994, 80 : 1026

    趙暉，岳雲，蔡偉，等.腦電功率譜和雙頻譜指數在判斷麻醉深度上的同期比較j .中華麻醉學雜志， 1997 ， 9 : 545
  2. Double frequency spectrum guar

    腦電雙頻譜指數監護儀
  3. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發，詳細論述了計算機視頻信息電磁泄漏的原理及特點，指出視頻泄漏信息的頻譜是以行頻為周期的譜線；分析了重加濾波器和梳狀濾波器的性能；分析了視頻泄漏信息截獲的條件；推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級；論述了清晰再現對接收機和數據採集卡的技術要求。
  4. Recent talks have included managing the radio spectrum in telecommunications, the use of analytical science in consumer protection, methods for predicting ultraviolet index, and conservation of sea turtles in hong kong

    有關部門最近舉辦了多個講座，主題分別為無線電頻譜及它的管理分析科學如何保障消費者紫外線指數預報香港的海保育工作。
  5. Clinical study on changes of a - line d r arx - index, bispectral index and spectral edge frequency during postoperative emergence from anesthesia

    雙頻譜指數和邊緣頻率聯合用於全麻恢復期的臨床評價
  6. Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit

    通常指一種內裝數字分頻網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流，在用數字信號處理的方法將音頻頻譜分割后，便分別將這些信號變換為模擬信號，然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。
  7. The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given

    首先從降低鄰近碼間干擾原則出發，討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性，重點分析將理想的滾降波形g （ t ）數字化后對頻譜的影響，並且根據系統指標，確定了各項參數，給出了具體的設計舉例和模擬結果。
  8. Through the help of scientific machine detecting, we find out she has the genital weakness in her left kidney meridian system, heart weakness, normal pressure, and liver cirrhosis

    經能量醫學儀器檢測，發現為左腎經絡系統先天不足，心系統偏弱，壓力指數尚可，肝硬化的能量頻譜。
  9. Numerical simulation on the gas - solid multiphase flow in new type pulverized coal impact rich / lean burner is presented in it. under the guidance of the theory of computer aid test ( cat ), the dissertation uses particle - particle random impact model and the fluctuating - spectrum - random - trajectory ( fsrt ) model to simulate the gas phase flow and the particle phase flow based on the lagrange approach, compared with experimental results, and reaches satisfied efforts

    在cat計算機輔助試驗理論的指導下，結合實驗研究，本文採用包括脈動頻譜隨機軌道（ fsrt ）模型、顆粒和顆粒的隨機碰撞模型等先進的氣固多相流模型，在高濃度氣固多相流動數值模擬這一前沿研究方面得到了很有價值的結果。
  10. The frequency analysis results show conclusions as follows : 1. the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction

    當ly12鋁合金細小夾雜物（小於0 . 16mm ）的體積百分數從0 0 . 35時，在35 50mhz的頻帶范圍內，超聲波形的有效譜功率按近似指數曲線快速下降，沿相反方向檢測時其變換趨勢相同。
  11. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例，重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理，由此指出adsl對噪聲信號敏感的根源，在得到問題的根源之後，分析了窗函數和柵欄效應對頻譜的影響，採用fft方法計算adsl線路的噪聲功率譜，為adsl線路測試提供了可靠的理論依據。
  12. Optical amplifiers - part 3 - 2 : test methods for noise figure parameters - electrical spectrum analyser method

    光學放大器.第3 - 2部分:噪音指數參數的試驗方法.電頻譜分析儀法
  13. Optical fibre amplifiers - basic specification - test methods for noise figure parameters - electrical spectrum analyzer method

    光纖放大器.基礎規范.噪音指數參數的試驗方法.電頻譜分析儀法
  14. I use special instrument to test items of modulator ( ( frequency 、 constellation ), all up to the anticipated performance, so the system could be made into asic which could be served to the digital society

    整個設計利用專用測試儀對頻譜、星座圖和其它各項發射指標進行測試，均達到預想效果，所以該fpga系統可以作為進一步進行流片，成為專用晶元，更好的服務于數字社會。
  15. E there is one - to - one map between the mathematical formulation and circuit realization, and that the method is systematic and suited for designing the network function with zeros and high - order filter. at last, the limitation and applied fields of the methods for realizing one - dimension cwt based on state - space log - domain filter are pointed out, it is also proved by the theoretical analysis and calculation results that the methods are suited for synthesizing the wavelet functions with very small scale or the frequence - transloction version of the mother wavelet ( with much translocation in frequence - domain )

    論文還給出了用狀態空間對數域濾波器實現一維連續小波函數的限制條件，並指出了這種實現方法的應用范圍，理論分析與計算結果表明該方法適合用於實現尺度很小的小波函數或由原基小波經頻譜搬移（搬移程度較大）后的小波函數。
  16. Firstly, acoustic waves propagation in id quasi - periodic system is studied by means of the transfer matrix method. the transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are obtained numerically. we explain all these parameters " relations with frequency and the size of system, and compare these p arameters with those o f periodic system. we find that these parameters are fractal in this quasi - period system

    通過轉移矩陣的方法，數值地得到了系統的傳播系數t _ n 、反射系數r _ n ，能流密度j _ n 、能量密度e _ n 、李雅譜諾大指數_ n ，給出了以上各量與系統大小n以及頻率之間的關系，發現這些量存在著與周期系統不同的準周期性質，其能量會出現局域化現象，能流以及能量密度都具有分形結構，給出了相應的理論解釋。
  17. The principles and arithmetic for designing and realizing the virtual digital stored oscilloscope, virtual frequency analyzer and virtual function generator, which are based on labview, are discussed in detail. the performance of the virtual instruments is tested, and the specification is given

    詳細的分析了基於labview的虛擬數字存儲示波器、虛擬頻譜分析儀和虛擬函數發生器的設計和實現的原理及演算法，並且對于各虛擬儀器進行了性能測試，給出了性能指標。
  18. The correlation between broad - band spectral index and peak frequency for xbls and fsrqs

    和平譜射電類星體間峰值頻率與光譜指數的相關性分析
  19. Domestic free - to - air terrestrial broadcasters asia television limited ( atv ) and television broadcasts limited ( tvb ) warned the government against formulating digital terrestrial television ( dtt ) policies without knowledge of what technical standard the mainland would adopt and frequency plan coordination with mainland authorities had not been achieved

    本港兩家免費地面電視臺亞洲電視有限公司及電視廣播有限公司（無電視）向港府提出忠告，指在不清楚中國內地採用哪種技術標準前，以及尚未與內地機關完成頻譜規劃協調情況下，便制定數碼地面電視政策的做法甚不明智。
  20. This thesis studies in adaptive equalization problems, and put the emphases in various adaptive equalizers, channel model, etc. finally, the performance of the presented blind equalizer which are used in digital microwave radio channel are compared and evaluated. the results are of great important in the development of more spectral efficient digital microwave radio - links. the focus is set on low - complexity adaptive equalizers for implementation in digital microwave radio systems

    本文圍繞著自適應均衡技術進行了深入的探討，重點研究了自適應均衡演算法、通道模型等問題，並針對幾種盲均衡演算法應用於數字微波無線通道的均衡性能進行了模擬和比較，其結果對于開發具有更高頻譜利用率的數字微波通信鏈路有著重要的指導意義。
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