振幅曲線 的英文怎麼說

中文拼音 [zhènfúqūxiàn]
振幅曲線 英文
amplitude curve
  • 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）
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user

    傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器，它不僅價格昂貴，體積龐大，而且只能顯示幅頻特性曲線，不能得到相頻特性曲線，更不能列印被測網路的頻響曲線，給使用者帶來諸多不便。
  2. The amplitude of the hyperbola may be comparable with that of the associated reflection, or it may be less.

    雙曲線的振幅可能是和有關的反射相類似的，也可能要小一些。
  3. The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.

    曲線形相位特性減小了波形振幅峰值。
  4. It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak

    結果表明：隨著值的增加，光子統計演化曲線的rabi振蕩的幅度減小，振蕩頻率變快，系統的反聚束效應增強；隨著初始場強（ ? ）的增大，場與原子的相互作用逐漸減弱，而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系數g的增大，光子統計演化曲線的rabi振蕩的幅度減小且振蕩周期縮短，同時，系統的反聚束效應減弱。
  5. 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
  6. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作原理和結構，在此基礎上，建立了標準振動臺的機械和電氣方程，給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線，列出了不同頻段間的轉折頻率。
  7. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    （ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。
  8. 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。
  9. The waves are sinusoidal in nature, and they have an amplitude and a frequency

    聲波實質上是正弦曲線，它有振幅和頻率。
  10. Through calculation of a living example and its result analysis verified that while the vibration amplitude is comparatively small and the sine curve is being adopted, the theoretical contour of cam possesses rather good form closure property and is suitable to be applied for high - speed cam

    通過實例計算和結果分析，表明該凸輪理論廓線採用正弦曲線，在振幅較小時，有較好的形封閉性，適合用於高速凸輪。
  11. The actual wave is formed by wave packets or groups confined between the amplitude curves.

    實際的波就是由限制在振幅曲線中的一些波包或波群組成的。
  12. The main work includes : for the torsional vibrations of a rigid disk on saturated media, first, the dynamic governing equations are solved by the use of hankel transform and the general solutions in the hankel transform fields are formulated. then, considering the mixed boundary - value condition, the dual integral equations of the torsional vibrations of a rigid disk on saturated grounds are obtained, which can be reduced to the fredholm integral equations of the second kind and solved by numerical procedures. consequently, the dynamic compliance coefficient curves and the torsional angle amplitude curves versus the dimensionless frequency are presented and contrasted to that of the elastic one

    在前人研究的基礎上，本文基於陳龍珠等曾提出的一組實用飽和土波動方程，用解析或半解析的方法首次較系統而深入地研究了飽和半空間地基與基礎的扭轉振動問題，主要工作有：對于飽和地基上剛性圓板的扭轉振動，作者首先採用hankel變換求解了動力控制方程，得到了該控制方程在hankel變換域內的通解，然後由混合邊值條件建立了飽和地基上剛性基礎扭轉振動時的對偶積分方程，並將其化為易於數值求解的第二類fredholm積分方程，用數值方法計算了基礎的動柔度和扭轉角幅值與振動頻率的關系曲線，並將其與單相彈性介質情況進行了對比分析。
  13. 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。
  14. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明：在某些頻率范圍內相關水動力系數基本不隨吃水變化，只有超過某一頻率后水動力系數的值才會出現差異；在橫搖方向，水動力系數並沒有隨著吃水的變化發生規則變化，而是出現了波動現象；近船首剖面的水動力系數計算表明，水動力系數的波動非常大，並遠遠偏離了平均位置的水動力系數值，值的變化速率也不盡相同，總的看來，上振幅曲線曲率較大，變化較快，下振幅曲線曲率較小，變化較慢；外飄力和波面運動的速度的平方項有關，導致其振動頻率和相應運動方向的頻率不同；外飄力使升沉向下運動的幅值減小；船速對三個計算量的峰值影響甚微，但對振動頻率有明顯影響；波幅對船舶運動的影響是明顯的，船舶運動的幅值基本上和波幅成線性關系。
  15. This paper begins with the calculation of the stator ' s resonance frequency, deals with the design and manufacture of motor, and puts forward dual nut structure of traveling wave revolving ultrasonic motor, and presents the analysis of the contract between rotor and stator in the manufacturing process, relation between the amplitude of voltage - ceremic chip and drive sources. the conclusion is that amplitude is affected by deviation of resonance frequency

    同時分析了電動機的加工工藝，對超聲波電動機製造過程中功率與接觸角和振幅與驅動電源的關系進行了討論，得到了接觸角與輸出功率的關系曲線，以及超聲波電動機的振幅主要受電壓和激振頻率偏離定子環第2n階諧振頻率的偏離量確定。
  16. The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation

    摘要研究利用形狀記憶合金的超彈性和擠壓油膜阻尼器控制轉子振動，利用形狀記憶合金在超彈性狀態下的應力應變曲線，建立了新的系統振動方程，運用非線性理論和運動穩定性理論研究轉子在形狀記憶合金控制下的振動狀態，討論了系統的穩定性條件，獲得系統發生分岔時系統參數之間的關系；並提出了通過改變參數來提高系統穩定性和抑制振幅的方法，最後通過模擬驗證了改進后的系統振動抑制效果。
  17. The formulas of three kinds of loaded ultrasonic transformers are presented ; then, the graphs of resonance frequency and the amplitude magnification coefficient, following the change of load, are charted by the programs of matlab

    得到了三類常用變幅桿頻率方程和放大系數的表達式；並通過matlab編程，分別繪制了三類變幅桿共振頻率及放大系數隨負載變化的曲線圖。
  18. This paper presents the prestack time migration to curved rays for minor fault blocks, which is of more accurate migration, allowing the travel - time equation to be more close to the real pathway of layered media seismic wave propagation, the focused imaging to be more precise, the migrated results to be of good preserved amplitude processing property and the output trace gathers to be used for the lithologic analysis and inversion study

    採用彎曲射線疊前時間偏移技術使小斷塊準確偏移歸位，其走時方程更接近層狀介質地震波的真實傳播路徑，成像聚焦更精確，且通過特殊振幅處理，其偏移結果有很好的保幅性，輸出的道集可以用於巖性分析和反演研究。
  19. Distance amplitude curve

    距離振幅曲線
  20. < uk > the actual wave is formed by wave packets or groups confined between the amplitude curves. < / uk >

    < uk >實際的波就是由限制在振幅曲線中的一些波包或波群組成的。 < / uk >
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