波幅比 的英文怎麼說

中文拼音 [bōfúbǐ]
波幅比 英文
wave amplitude ratio
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 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）
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation

    針對目前ep監測中判定脊髓損傷的指標（波幅和潛伏期）存在信息量相對較小、穩定性較差的缺陷，本課題提出利用時頻分析技術對術中脊髓功能監護進行研究，通過短時傅立葉變換和小波變換分析和比較典型信號的時頻分佈，證明時頻特徵參數能更有效的提取信號的變化信息。
  2. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。
  3. 2 while personal consumption generally falls during economic downturns, its fluctuations are smaller than those of real estate, business profits and salary income

    二個人消費雖然一般會在經濟不景時下降，但波幅比樓價企業利潤和薪俸入息都為低。
  4. Pick - up and application of amplitude ratio profile of p wave and ps wave by prestack kirchhoff integral migration

    積分偏移法縱橫波振幅比剖面的提取與應用
  5. The delayed test is carried out in two conditions : with cues of convenient calculation or without cues. the results of two tests have no significantly difference, which indicates the applied defect can be avoided if the training is appropriate. in the present experiment, there is no significant difference between exploration teaching and narration teaching, possibly because students have got used to the n

    腦波幅和潛伏期結果表明，策略訓練前和訓練后兩者腦機制有共同的地方，更有相異之處： （ ）策略訓練后的簡算比訓練前的非簡算耗費更少的腦力，差異顯著，第一次以生理指標證實了策略訓練的效果。
  6. Comprehensive analysis shows that, the primary wave travel - time under the satisfactory first interface and the secondary interface with slot is always longer than that under the first interface with slot, but is shorter than that of the formation wave, while the primary wave amplitude under the secondary interface with slot is smaller than that under the first interface with slot, but is larger than that under fully cementing condition

    分析結果表明，第一界面膠結良好，而第二界面竄槽的初至波到時總是延遲于第一界面竄槽的初至波，但卻比地層波早，其幅度明顯小於第一界面竄槽的初至波，但比全膠結的幅度大。
  7. In fact, the difference is the how to expert the function of money. to get the truth and integrate the different ideas, by studying the statistics from 1953 to 2001, there have a conclusion that the length and the trend of period are similar. during the 48 years, by the standard of 10 %, there are six periods to money supply and economic growth and the periods are correspondence, especially the period of money lag the period of economic growth one year

    為了澄清這方面的問題，本文對1953年至2001年中國貨幣供應波動周期和經濟增長波動周期的周期、波長、波動趨勢和波幅進行了對比研究，發現在整個48年間，按波幅超過10的標準計量，經濟增長和貨幣波動都可分為六個周期，並在周期、波動趨勢和波幅上呈現出一定的對應性，且貨幣波動周期呈現出滯后經濟周期的特性。
  8. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型，通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算，證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較，得出hh極化符合對數正態分佈，而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析，最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。
  9. As a result, the extent to which reserve requirements could effectively act as a liquidity buffer would decline during the period, thus risking additional interest rate volatility, particularly near the end of the period

    因此，儲備比率規定可作流動資金緩沖的效能在儲備維持期內逐漸下降，尤其在接近期末時更會令利率波幅擴大。
  10. The colour coding in the risk return meter is based on a number of factors in relation to their underlying investments including types of asset classes and their respective target weightings, breadth and geographical diversification and historical long - term volatility and capitalisation of the relevant markets

    風險回報指標顏色代號的選定乃基於其投資項目的多項因素，包括旗下資產類別及其相應的目標比重覆蓋范圍及地域分佈有關市場過往的長期波幅和市場價值。
  11. However, comparing to foreign ripe exchange market, china stock market exhibits high - risky features such as abnormal magnitude of trade, high change of stock, high frequency and amplitude of stock price volatility and so on

    然而我國股票市場同國外成熟市場相比，表現出交易異常活躍，換手率很高，價格波動的頻率高、波幅大等特點，體現出新興股票市場的高風險特徵。
  12. Choose the proper sample and compare by two means. first is to compare actual value to the calculated, and second is analysis of the effect on harmonic wave. take fast fourier transform algorithm to the samples fore - and - aft integral, and compare the amplitude and angle

    首先是直接比較實際值與還原值，其次是分析各種演算法對諧波的影響：分別對積分前後的采樣值進行快速傅立葉變換，比較各次諧波幅值和相位的變化。
  13. As the group changed its financial year end from march to december last year, the comparatives which covered the six months ended 30 september 2002 did not reflect the traditional reduction in manufacturing outputs during the chinese new year festival but contained higher sales in the seasonally strong quarter ended september

    由於去年集團將財政年度之年結日由三月改為十二月，故截至二零零二年九月三十日止六個月之比較數據，並未反映農歷新年期間產量下降的傳統周期波幅，但卻包含了九月止季度為銷售旺季的影響。
  14. The current break arithmetic and net arithmetic use fault steady signal as defection gist which is steady and easily identified, and the two arithmetic inherits the excellence of the tradition breadth comparing and phase comparing, which overcomes the effect of the changing of the system parameters which brings the difficult for fault defection

    電流突變量演算法和網路演算法以故障后穩態基波信號作為選線依據，信號穩定，容易識別，並且這兩種演算法吸取了傳統比幅比相演算法的優點，有效的克服了系統參數變化等影響帶來的選線困難。
  15. This paper introduces a method of calibrating and processing angular speed fluctuation in ni sampling system - pxi - 6281, it accomplishes the acquisition of angular speed fluctuation by distortion of signal, analyzing fundamental wave, high order harmonic of angular speed feedback signal and calculating the amplitude ratio of base wave and high order harmonic

    摘要利用ni的pxi - 6281高速數據採集卡來完成角速度波動信號的採集，借鑒信號失真度的概念，分析角速度反饋信號的基波和高次諧波大小，求取高次諧波與基波幅值比，作為角速度波動率。
  16. The greater stability will be achieved through the use of the six - year moving average, which obviously is a lot less volatile than the actual year - to - year fluctuations, six years being the best estimate of the duration of an investment cycle of this type of portfolio

    年移動平均回報率，新安排使投資收入變得較為穩定，是因為平均回報率的波幅顯然會比實際的每年波幅小得多，而
  17. Whenever the price moves by 15 % in either direction from previous day settlement price, trading at or within a price limit of 15 % is allowed for the next 20 minutes

    當價格在任一方向上的波幅同前一天的結售價相比少於15時，則在後面20分鐘內以15的價格限制或在15的價格限制內進行交易。
  18. He bonding quality for wcu and cu ( or crcu ) can be indirectly showed by the reflected wave amplitude of ultrasonic ; 3

    觸頭cuw cu （ crcu ）燒結面燒結狀況可以通過比較界面反射波波幅來反映。
  19. We discuss the effect on the focusing of the probe beams for the five initial parameters : the amplitude of the pump beam, the separation between the pump and the probe beam centers, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the directions of x and y. our numerical results show that, more the amplitude of the pump beam, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the direction of y, more the probe focus ; the separation between the pump and the probe beam centers and the ratio of the initial beam widths at the direction of x have optimum values, respectively

    研究了泵浦光束輸入振幅、泵浦光束-信號光束初始偏移、泵浦光束-信號光束波長比和泵浦光束-信號光束x 、 y方向的初始束寬比五個參量對信號光束聚焦程度的影響。數值模擬結果表明，泵浦光束輸入振幅越大、泵浦光束-信號光束波長比越大、 y方向束寬比越大，信號光束聚焦程度越大；泵浦光束-信號光束初始偏移和x方向初始束寬比都存在一個最佳值，使得光束聚焦達到最佳效果，有趣的是這兩個最佳值的比值基本保持不變約為0 . 4 0 . 6 。
  20. Owing to the use of ac square wave with little amplitude value, the effect of polarization is depressed. the frequency can be adjusted continuously, so. the effect of the double electricity capacitance is depressed too. and the measurement is not affected by the amplitude values of the ac square waves using rule of three in computation, so the precision is promoted

    由於使用交流方波，且幅值很小，將極化效應影響降至最低。又由於頻率連續可調，雙電層電容的容抗可降至最小。在求解過程中，測出交流方波幅值和直流量進行比例運算，消除了交流方波幅值對測量的影響，進一步提高了測量精度。
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