振幅譜 的英文怎麼說

中文拼音 [zhènfúpǔ]
振幅譜 英文
amplitude ectrum
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 幅 : Ⅰ名詞1. （布帛、呢絨等的寬度） width of cloth 2. （泛指寬度） width; size 3. （姓氏） a surname Ⅱ量詞（用於布帛、呢絨、圖畫等）
  • 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）...
  1. Formant : it uses the estimation of the overall shape of the spectrum ' s amplitude envelope

    共振峰:使用了對頻譜的振幅包絡線的大體形狀所作的估計。
  2. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線，實驗結果表明，溫度漲落的中性曲線在低格拉斯霍夫grashof數
  3. Used fourier transforming the nuclear logs, its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope

    摘要對核測井曲線進行付氏變換，其縱向解析度可以從分析振幅譜斜率變化中獲得。
  4. Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed. the deformation behavior of stabilized soil on static and dynamic loading were compared. the characteristics of frequency spectrum of composite soils were analyzed in the thesis

    對水泥?水玻璃加固土進行循環荷載下的疲勞試驗研究，分析水泥?水玻璃加固土的疲勞壽命及其影響因素，以及固結土的動模量特徵，並對水泥土在動、靜荷載作用下的變形特徵進行比較，分析對比不同振幅與頻率的動荷載作用下的水泥加固土的應變響應及其頻譜特性。
  5. The tone be decided by voice wave for for wave decision, volume from voice wave for of flapping the decision of a, tone color from voice wave decision, but is from voice wave form

    音調由聲波的頻譜所決定，音量由聲波的振幅所決定，音色由聲波的頻譜所決定，而音品是由聲波的波形所決定。
  6. As an example using sine wave, the effect of vibration amplitude and frequency and time on bit error rate is researched

    以振動譜中典型的正弦諧波為例，推導了振幅、頻率和時間對誤碼率的影響。
  7. Simultatly, based on the vaviaction of seismic signal - noise ratio, the anthor use the funtion singular method in the seismic data procesy and put forward the wavelet amplitude singular exponentid method and the wavelet power spectrum singular exponential for the fractued density detection

    與此同時，將函數奇異性分析的思想引到地震信號處理中來，針對地震信號信噪比的高低，提出小波振幅奇異性指數法和小波功率譜奇異性指數法的裂縫密度檢測方法。
  8. Also, in our software, we have made the practical seismic data processing by the prediction of fractured amizuth and the fractured density, then evaluated the exactitude of the predictions by the evaluation of the assessment parauceter, and at last confirm one optimum detection methods of fractured amizuth, the wavelet difference scale filter method, and two the optimmer fractured density detection method, the wavelet amplititude singular exponential method and the wavelet power spectrum singular exponeatial method

    並用自編軟體，將三種裂縫方位預測和三種裂縫密度預測用於實際地震資料處理，並用評價參數檢驗評估其正確性，最終在現有的方法中確定了最優裂縫方位檢測方法?小波變尺度濾波法和最優裂縫密度檢測法?小波振幅奇異性指數法和小波功率譜奇異性指數法。
  9. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法，得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜，結果表明，地基土在x 、 y 、 z三個方向的響應都是隨時間變化的，並且伴隨有明顯的波動現象產生；對于相同地質條件的不同觀察點，距離荷載作用線越遠的地方振幅越小，即振動具有明顯的衰減性。
  10. The joint analysis of emg spectrum and amplitude, jasa

    頻域及肌電術振幅頻譜聯合分析方法
  11. Abstract : the recent theory and design method of the magnetoelectric induction sensor in bearing field is introduced. the author provides two sensors ' main technical performances and a new measurement method of the bearing and other wide frequency spectrum and low amplitude vibration objects

    文摘:主要介紹了國內外近些年在軸承行業開發的軸承振動測量中應用的磁電感應式傳感器的原理與設計方法，並介紹了二套傳感器的主要技術指標，對軸承及其它寬頻譜低振幅振動量的測試提供了一套新的測試手段。
  12. The quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained, then the elongated charge, and the vertical delay stacked source, and the concentrating energy source, and the detonating seismic hammer, and opposite collision source were developed

    本文基於球腔震源的縱波位移方程、激發子波的振幅及頻率與藥量的關系等理論基礎，總結了縱波質點位移與藥量成正比、振幅譜均方根與空穴半徑的3 2次方成正比的定量關系。
  13. Three derivatives of alkoxy phthalocyanine pb were synthesized as optical limiting materials. the structures of products were characterized by means of ir, hnmr spectra and elementary analysis. and then, the phthalocyanine pb / polymethy methacrylate ( pmma ) were prepared

    合成了三種烷氧基取代的金屬酞菁鉛類光限幅材料，利用元素分析、紅外光譜、核磁共振氫譜等方法，驗證了化合物的分子結構。
  14. In order to research the application of nonlinear optical materials for optical limiting, four derivatives of alkoxy metal phthaloyanines were synthesized. the structures of the products were characterized by means of ir. 1hnmr spectra and elementary analysis

    為探索有機非線性光學材料在光限幅方面的應用，本論文合成了四種烷氧基取代的金屬酞菁化合物，並利用元素分析、紅外光譜、核磁共振氫譜等方法，驗證了化合物的分子結構。
  15. A random signal of known statistical properties of amplitude, distribution, and spectral density

    振幅、分佈及譜密度等的已知統計特性的隨機信號。
  16. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz （ 10 ~ （ 12 ） hz ）時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術，它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源，利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形，通過傅立葉變換得到測量信號振幅和相位的光譜分佈，進而獲得材料在thz波段的復介電常數，即色散及吸收等信息。
  17. The algorithm used in the past was usually based on fourier transform, but there are clearly limitations in the method, because the seismic amplitude spectrum that it evaluated is the function of time windows

    如果所選時窗過短，振幅譜會與變換窗函數褶積，失去頻率的局部化特徵，而且過短的時窗會使子波的旁瓣呈現為單一反射的假像。
  18. Since it is hard to choose time window in practice and analyze the error quantitatively, there are usually deviations in the evaluation of amplitude spectrum

    由於在實際運用中，以傅里葉變換相關的演算法的時窗問題，難以選擇好時窗長度，而且無法定量分析時窗長度產生的偏差，因而會使振幅譜的估算產生偏差。
  19. 2 ) fourier amplitude spectrum analysis : ( 1 ) the fourier amplitude spectra decrease with the increment of depth ; and the components of fourier spectrum become complex in near - surface. ( 2 ) the fourier amplitude decrease faster in shallow soil level, and smaller in deep soil level. ( 3 ) compared with the deepest bedrock fourier spectrum, spectral components of higher than 5 hz decrease with depth decrease

    2 .地震動傅立葉振幅譜沿深度的變化規律（ d隨著深度的增大，傅氏譜振幅逐漸減小;越接近地表傅氏譜的頻譜成份越多，形狀越復雜;傅氏譜振幅值在淺層沿深度的下降梯度較大，在深層下降較小; 「土層/基巖」場地的基巖內_匕下兩測點的地震動頻譜沿深度幾乎不變，傅氏譜十分相似; d基巖以上的土層測點，高於shz的高頻成分減少。
  20. Amplitude spectrum shaping

    振幅譜整形
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