衰減速度 的英文怎麼說

中文拼音 [shuāijiǎnsùdù]
衰減速度 英文
depletion rate
  • 衰 : 衰動詞（衰弱） decline; wane
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

    在苯或乙酸乙酯溶液中其衰減速度隨甲基丙烯酸甲脂濃度呈直線地增大。
  2. The last part of the thsis presents a novel fast response digital variable optical attenuator. this device is driven by two electromagnetic driving units rather not stepper motors. a wide attenuation ( 40db ) was fully digitized and can be set by a certain number of driving pulses

    論文最後針對現有數字可調光衰減器均由步進電機驅動，體積龐大，造價高昂且速度緩慢的缺點，利用微反射單元設計了一種高速數字式可調光衰減器。
  3. ( 4 ) the correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study

    （ 4 ）研究結果顯示，在頻率域內，面波衰減系數分佈與群速度分佈具有一定的相關性。
  4. Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images

    本文引入了物理意義明確的自然權，對基於自然權的加權阻尼最小二乘反演演算法（ wlm ）在速度反演、衰減反演中進行了數值模擬和試驗研究，結果表明wlm均能獲得良好的重建圖像，迭代收斂，抗噪能力強。
  5. Secondly, the effect of thermocline to the intensity decaying rule for monostatic case is analysed

    然後分析了聲速躍變層對海洋混響平均強度衰減的影響。
  6. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。
  7. X4 ? gridding attenuation and 2 ? x2 ? gridding group velocity are calculated respectively, based on the attenuation and velocity, the distribuation of rayleigh wave quality factor qr are yielded finally. ( 3 ) building the s - wave quality factor og3d structure of the continental crust and upper mantle of china area

    為此把中國大陸區域劃分成4 4網格和2 2網格，利用lsqr方法分別進行衰減系數和群速度網格化反演，得到4 4單元格的衰減系數分佈和2 2單元網格的群速度分佈。
  8. It is found that if the cavity dissipation is losses and the reservoir is in vacuum, the quantum nonlocality appears periodically. when the cavity dissipation and the average photon number of the reservoir are taken into account, the initial quantum nonlocality will be lost. the rapidity of the loss of the initial quantum nonlocality depends on the amplitude of the initial field, the average photon number n and the cavity damping constant k

    結果表明，如果腔場無損耗且處于真空庫，則量子態周期性地顯現出一定的非局域性；如果考慮到腔場的損耗和熱庫的平均光子數，那麼，量子態將會喪失它初始的非局域性，初始量子非局域性喪失的速度與初始腔場的幅度、腔的衰減系數以及熱庫的平均光子數有關，場越強、平均光子數和衰減系數越大，量子非局域性喪失得就越快。
  9. Two of the most predominant characteristics of surface wave are dispersion and attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior

    頻敵和衰減是面波傳播中的兩個基本特徵，利用面波頻散和衰減可以有效地研究地球內部速度結構和粘彈性結構。
  10. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小地震的衰減關系后，本文對峰值加速度（水平向與垂向） 、加速度反應譜（阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 ）的衰減特性進行了分析，影響因素主要考慮了震級與距離這兩個方面。
  11. Global exponential stability of hopfield neural networks with time - varying delay and the estimation of decay rate

    神經網路的全局指數穩定性及衰減速度估計
  12. The effect of variation in surge shaft section size upon the reflection of water hammer pressure and the speed of quality fluctuation attenuation

    調壓井斷面尺寸變化對水錘壓力反射及質量波動衰減速度的影響
  13. The calculation shows that the attenuation of hydraulics oscillation relates to power, but other kinetic characteristics don ' t change with work point greatly

    通過計算表明，其水力振蕩衰減速度與出力有關，而系統的其他運動特性隨工況變化較小。
  14. The c. e. in both 2d and 3d problem increase the lifting forces, the c. e. in 3d problem decreases the " drag coefficients, but the c. e. in 2d increases the drag a little

    波動效應也隨著高度的增加而減少，但是和曲壁面效應相比，衰減速度要小得多。波動效應具有減阻作用。
  15. When the energy converters and the thickness of the steel plate are settled, the attenuation speed of the repetitious pulse reflected wave from the underside is only related to the reflectivity of the reinforced concrete interface

    在鋼板厚度和換能器確定的情況下，多次脈沖底面反射波的衰減速度只與鋼-混凝土界面的反射率有關。
  16. For the other hand, la2o3 additives can improve the activation process and discharge capacity obviously for zinc electrode. the appropriate content of la2o3 additives in zinc electrode can increase the electrochemical properties of the zinc electrode. zn / ni battery with the zinc electrode containing calcium additive showed better discharge capacity and charge - discharge cycling life

    以鋅酸鈣為活性物質的鋅電極能得到更高的鋅利用率，且以鋅酸鈣為活性物質的鋅鎳電池的循環壽命明顯優于以氧化鋅為活性物質的鋅鎳電池；兩層隔膜的鋅鎳電池的放電容量高於一層隔膜的鋅鎳電池，容量衰減速度也明顯小於後者。
  17. Proved with the mixing rate using parameters tw and r ^ it showed that large amplitude and high frequency could greatly enhance the mixing rate. but at large st, the rate of attenuation appears to be in periodic fluctuation at the range of low frequency, so there must be some best partnership of amplitude and frequency

    用參數t _ w 、 r _ （ 15 ）表徵的混合效率表明：總的來說大振幅、高頻率有利於混合，但在st較大的低頻率區中衰減速度會有周期波動的特性，存在最佳的頻率振幅配對。
  18. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。
  19. In detail, one - photon detuning for large kerr nonlinearity and photon switching via eit should be far less than the product of the ratio of intensity of the coupling field to the intensity of the signal field, and the detuning or the decay rate of the additional transition

    具體來說，單光子失諧量的取值范圍應遠小於禍合場和信號場的強度比與微擾躍遷的失諧量或者衰減速率之積。
  20. Starting with the research on the characteristics of frequency spectra of the ip field as well as charging - discharging time and based on experiment results, the authors summed up frequency spectra, time spectra and decay rate characteristics of sulfide mineralized bodies ( chalcopyrite ) and graphite - bearing dolomitic marble, and detected new parameters for qualitative evaluation of ip anomalies

    摘要從研究激電場頻譜特徵及充、放電時間特徵出發，根據實驗觀測結果，總結了硫化物礦化體（黃銅礦）及含石墨白雲質大理巖等巖性的頻譜特徵及充放電時間特徵，探索到新的定性評價激電異常源參數頻率譜及時間譜、視衰減速度。
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