振幅比 的英文怎麼說

中文拼音 [zhènfúbǐ]
振幅比 英文
amplitude ratio-phase difference instrument
  • 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）
  • 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. 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。
  2. We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase

    研究了探測場或驅動場失諧情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律，並與探測場和驅動場都共振時的演化規律進行了比較.我們發現失諧對時間演化規律有顯著的影響;當驅動場或探測場失諧時，原子對探測場和驅動場色散的響應不再為零，雙光子相干不再是純實量;探測場失諧的變化將使粒子布居和驅動場增益（吸收）的時間演化規律明顯改變;隨著失諧的增大，探測場增益（吸收） 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼振子的演化規律;驅動場色散驅動場失諧量的增加而振蕩時間變長，振幅和穩定值變大
  3. The amplitude of the fundamental voltage drops across the filtering inductances ln are negligible as compared to the amplitude of the mains phase voltages, the voltages across cn therefore are assumed to be impressed and equal to the mains phase voltages

    當基本電壓從濾波電感降低到ln時，振幅與主電源相線電壓相比可以忽略不計，因此我們可以認為通過cn處的電壓被輸送並且等於主電源相線電壓。
  4. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。
  5. According to the technical requirements of data relay satellite system, we determine to exploit and analyze the oscillation amplitude comparison mono - pulse mode in a single channel mono - pulse, angular tracking manner in comparisons among several angular tracking modes e. g. cone scanning, step tracking, phase comparison mono - pulse and oscillation amplitude comparison mono - pulse

    根據數據中繼衛星系統技術指標與技術要求，通過比較圓錐掃描、步進跟蹤、相位比較單脈沖與振幅比較單脈沖等跟蹤方式的優、缺點，確定採用振幅比較單脈沖方式中的單通道單脈沖角跟蹤方式，並對此跟蹤方式進行了詳細的研究。
  6. 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
  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. The third chapter of this paper explored the method of acquiring amplitude - ratio, and also the significance of the amplitude and gravity data for the probing of the crust and upper mantle ' s structure is investigated. thus the framework of inversion adopted by this paper is formed

    本文第三章研究了相對振幅比的獲取方法，探討了利用振幅和重力資料模擬來約束地殼速度結構的有效性，從而形成本文層析成像工作的總體結構。
  9. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現： （ 1 ）在考慮doppler展寬的情況下，通過選取合適的實驗室條件（比如合適的原子環境溫度等）可得到合適doppler展寬值，從而使系統獲得最佳增益； （ 2 ）要想實現系統的頻率上轉換，同時又要獲得足夠強的無反轉激光增益，則系統頻率轉換比不能選取的太大； （ 3 ）對于開放系統，比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的： （ 4 ）由於dopp1oy展寬的存在，當探測場與驅動場的傳播方向相反時，增益在探測場失諧的某一段區域產生振蕩，且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。
  10. Considering effect of damping ratio and frequency ratio to vertical amplitude of block foundation under dynamic action, this paper adopts calculating mode of mass - spring - damper and mass - spring to make account and analysis on the assumption of damping ratio and frequency ratio, then provides the range of damping ratio and frequency ratio by using two modes to calculate vertical amplitude of block foundation under dynamic action

    摘要考慮阻尼比和頻比對動力作用下塊體式基礎豎向振幅計算的影響，對質彈阻計算模式和質彈計算模式在設定的阻尼比和頻比下進行計算分析，提出了在採用2種模式動力作用下塊體式基礎豎向振幅計算時的阻尼比和頻比范圍。
  11. The results indicate : the method of recording holograms proposed in this thesis is feasible. the recording and reconstruction can be performed by

    但是，由於再現中成像光波振幅正比于原物光波的振幅的平方，再現像的光強分佈發生一定畸變。
  12. In the same condition, the tests of concrete cube show that the strengths of vibration members are about 20 percent higher than those of normal ones

    混凝土立方體試塊的試驗表明，最大豎向位移振幅在2mm以內，受振構件強度比非振構件強度提高20左右。
  13. The biggest displacement of the instantaneous response is much bigger than that of the static one

    初始靜力荷載效應使瞬時動力響應的振幅比無初始靜力荷載效應的結構的水平和豎向位移振幅小。
  14. Compared with dcsk modulation, the fm - dcsk modulation changed the chaotic signals with random magnitude into the signal with constant magnitude and random frequency, thus the systemic noise performance is achieved

    將振幅隨機變化的混沌信號變為頻率隨機變化而振幅恆定的混沌fm信號，降低了系統的誤比特率。
  15. 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。
  16. In order to reflect the characteristics of amplitude increase and frequency changing of seismic signal, a new automatic recognition method of seismic phase is developed based on the instantaneous amplitude and instantaneous frequency

    摘要為了充分反映地震信號振幅增大和頻率改變的特徵，發展了一種以振幅和瞬時頻率比乘積為特徵參量的震相自動識別方法。
  17. Amplitude to period ratio

    振幅周期比率
  18. The numerical results also show that it is effective to choose appropriate proportion of amplitude for restraini ng the interaction of bright solitons

    數值模擬的結果還表明，選擇合適的振幅比對于抑制亮孤子間的相互作用有較好的效果。
  19. Compared with the lsb algorithm, the robustness of this algorithm is stronger ; compared with the echo hiding algorithm, the detection watermarking of this algorithm is easier, the calculation is simpler ; compared with the time - domain algorithm based on psychoacoustic masking, the calculation complexity is relatively low, the transparency does not rely on experience value, and the embedding amount is larger

    與lsb演算法相比，該演算法具有較強的健壯性;與回聲演算法相比，該演算法檢測水印容易，計算簡單;與基於心理學掩蔽模型時域演算法相比，該演算法計算簡單，透明性不依賴經驗值系數，且嵌入量大。基於振幅比較的數字音頻水印（機密信息）隱藏演算法。
  20. Then the sensitivity of amplitude to fracture of the buried hill ' s surface is further bigger than that to fracture of buried hill ' s internal phase

    表明振幅比頻率更對裂縫敏感。而且振幅對內幕裂縫的敏感性遠大於其對潛山面裂縫的敏感性。
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