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幅度     
相关语句
  amplitude
    Amplitude Modulation Effect in Ferromagnetic Resonance
    铁磁共振中的幅度调制效应
短句来源
    OPTIMUM AMPLITUDE DISTRIBUTION OF CIRCULAR ARRAYS
    圆基阵最佳幅度分布
短句来源
    Measurements on the Dependence of Frequency and Spectral Width upon Iodine Pressure, Modulation Amplitude and Output Power of 633nm ~(127)I_2 Stabilized He-He Lasers
    ~(127)I_2稳定的633nm氦氖激光的频率、谱线宽度与碘压、调制幅度和输出功率的关系的测量(英文)
短句来源
    EVOLUTION OF THE OPTICAL PULSE AMPLITUDE INSIDE THE CAVITY OF A MODE-LOCKED SEMICONDUCTOR LASER
    主动锁模半导体激光器腔内光脉冲幅度的变化
短句来源
    Stress Amplitude of the Serrated Flow in Al-Li Single Crystals
    Al-Li单晶体锯齿流变的应力幅度
短句来源
更多       
  extent
    The results show the sinusoid pulse model and the popular model have the same conclusion,and the extent of ultrasound stress pulse depends on the optical and thermal characteristics and thickness of the sample. Also it is much closer to true skew-Gaussian laser pulse,and it shows universality.
    结果表明,正弦脉冲模型与目前所采用的模型具有相同的结论,超声应力脉冲极值的幅度取决于试样的光学、热学特性和厚度,更加接近真实的skew-Gaussian激光脉冲,且更具有普遍性。
短句来源
    The numerical resultsshow that under the resonant conditions which were derived fromthe theoretical TBTB model, Rabi oscillation can still subsist inthe multiband superlattice, and the resonant condition is changedfrom single frequency into a four times Rabi frequency wide, inother words, the orderly Rabi oscillation with some extent of am-plitude can turn up if Wac ? WresanceI < 2WRabi.
    计算的结果发现:在由理想双带模型导出的共振条件下,多带模型中仍然存在Rabi振荡,共振条件被展宽并具有一定的带宽,而非像双带模型中对应单一频率,共振条件被展宽为大约四倍Rabi振荡频率的宽度,即只有外场频率满足|ωac-ωresonance|<2ωRabi时才出现有一定幅度且有规律的Rabi振荡。
短句来源
    With the increase of the initial mean photon number n of the light field the extent of the additional vibrations of entropy increases.
    在非旋波近似下,虚光场效应引起了附加的“熵振荡”,这种附加的“熵振荡”的幅度将随着(?)
短句来源
    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;
    结果表明:随着μ值的增加,光子统计演化曲线的Rabi振荡的幅度减小,振荡频率变快,系统的反聚束效应增强;
短句来源
    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 .
    随着原子间耦合系数g的增大,光子统计演化曲线的Rabi振荡的幅度减小且振荡周期缩短,同时,系统的反聚束效应减弱。
短句来源
更多       
  magnitude
    Relationship of opto-magnetic resonance signal magnitude and rf field amplitude
    光泵磁共振信号幅度与射频场振幅的关系
短句来源
    Calculation shows that the SBS induced surface displacement and velocity can reach the magnitude of 0.1nm and 10m/s respectively when pump intensity is 2.0×10~(15)W/m~2, and the corresponding stress exceeds 10MPa. The calculation results by new type equations agree well with those by traditional methods.
    计算结果表明,当泵浦光光强为2.0×1015W/m2时,SBS可激发厚度为1cm的K9玻璃样品的表面产生出0.1nm量级的位移和10m/s量级的速度,对应的应力幅度达到10MPa量级。
短句来源
    And, it becomes no longer recognizable as a sufficiently high magnitude of noise exists.
    同时,在噪声幅度足够地高的情况下,涡旋变得不再能够被识别出来。
短句来源
    As the magnetic field strength increases, the wave amplitudes of the oscillations also increases and when its magnitude is greater than 60T,some discrepancies appear due to the rescattering effect. It 憇 that the characteristic of the general non linear phenomena.
    当磁场强度增加时,振荡幅度也会增加,当强度大于60T时,由于重散射的作用,就出现了一些新的振荡形式,这也正是非线性现象的特点。
短句来源
    The magnitude and phase of the transmission amplitude through the QD are calculated by Green's function approach.
    计算了电子隧穿量子点几率的传输幅度和相位。
短句来源
更多       
  amplitude to
    In the experimental system APD transferred laser pulse to weak electrical current. After two-level amplification we got a voltage pulse that had a enough amplitude to be applied, the timing point was discriminated by the constant-fraction timing discriminator circuit. Timing circuits transferred the pulse flight time to digital signal accurately.
    实验系统采用APD作为光电传感器,将激光脉冲信号转变为微弱电流脉冲,经过两级放大后,信号变为幅度较大的电压脉冲,经过时点鉴别电路分别确定计时起点和终点后,由计时电路来精确测量两个时间点之间的时间间隔。
短句来源
    The change of signal area was more suitable than the change of signal amplitude to show the deviation of the oscillation frequency of the magntron from the resonance frequency of the cavity.
    用腔体检波器输出信号面积的变化表示磁控管振荡频率对腔体谐振频率的偏离比用输出信号幅度变化来表示更合适.
短句来源
    The change of signal area was more suitable than the change of signal amplitude to show the deviation of the oscillation frequency of the magntron from the resonance frequency of the cavity.
    用腔体检波器输出信号面积的变化表示磁控管振荡频率对腔体谐振频率的偏离比用输出信号幅度变化来表示更合适。
短句来源

 

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      amplitude
    It is well known that amplitude modulation does not affect Fredholmness of Toeplitz operators.
          
    The finite dimension of the global attractors for the systems of the perturbed and unperturbed dissipative Hamiltonian amplitude equations governing modulated wave are investigated.
          
    A new feature extraction method using the amplitude fluctuation property of target HRRP for radar automatic target recognition
          
    Actually, the amplitude fluctuation property of target HRRP also represents some feature information of the target.
          
    Based on the scattering center model, a new feature extraction method using the amplitude fluctuation property of target HRRP is proposed in this paper.
          
    更多          
      extent
    Therefore, it is also important to know to what extent |A(u)| determines the signal.
          
    Here, we show under what conditions and to what extent the canonically associated tight frame inherits decay properties of g.
          
    Discriminant analysis of the molecular properties of 17 nitrogen mustard agents designed in this work determined the extent of dissimilarity among members of this group.
          
    Finally, a flexible optimal tax policy which can be internally adjusted to a certain extent is derived, and it is found that the distribution of factor income plays an important role in designing the optimal tax policy.
          
    The model built in this way describes the stable point scattering mechanisms in a large spatial extent and can be extrapolated to other frequencies in the optical region.
          
    更多          
      magnitude
    It is shown that for certain totally disconnected fractals, function spaces may be characterized by means of the magnitude of the wavelet coefficients of the functions.
          
    There exists a continuous function whose Fourier sum, when taken in decreasing order of magnitude of the coefficients, diverges unboundedly almost everywhere.
          
    The formed intermediate showed a lower thermal transition temperature (Tm) by a magnitude of 10°C in relation to the native DNA.
          
    The order of magnitude for the thermal expansion coefficient, a, calculated by the theoretical model is in good agreement with experimental value.
          
    By comparison, the composite prepared in aqueous solutions shows a skin-core structure and a conductivity of 3 to 4 orders of magnitude lower than that of the former due to the diffusion-controlled process of the pyrrole monomer.
          
    更多          
      amplitude to
    On this basis the integrodifferential equations of the problem are formulated and solved approximately for extended disturbances with a small ratio of the initial amplitude to a characteristic horizontal dimension.
          
    In the case considered, in contrast to the nonlinear oscillations of a free charged drop, the expression for the generator of the nonlinearly oscillating drop shape contains terms proportional to the oscillation amplitude to the power 3/2.
          
    After exposure to heating, fatigue also caused a decrease in the peak ratio with a shift of the mean EMG amplitude to lower values.
          
    A transformation of the scattering amplitude to the function that, in particular, describes the oscillations of a particle removed from the liquid is proposed.
          
    The inclusion of the octupole component reduces the dipole amplitude to 134±111 km s-1 on scale lengths of ~8000 km s-1.
          
    更多          


    The results presented in this paper may be classified into three categories. First, there is derived the characteristics of gain, bandwidth, and figure of merit of a non-degenerative parametric amplifier of both fundamental and sub-harmonic pumping; and the comparison between them is carried out in substantial detail. Second, there is devised an analytical method for determining the harmonic contents of the capacitance of a nonlinear semiconductor diode, which is negatively biased and is under the action of...

    The results presented in this paper may be classified into three categories. First, there is derived the characteristics of gain, bandwidth, and figure of merit of a non-degenerative parametric amplifier of both fundamental and sub-harmonic pumping; and the comparison between them is carried out in substantial detail. Second, there is devised an analytical method for determining the harmonic contents of the capacitance of a nonlinear semiconductor diode, which is negatively biased and is under the action of a strong high frequency pumping voltage. The magnitudes of bias and pumping voltage are thus found quantitatively. Also, the stability requirements for pumping amplitude and pumping frequency are discussed. Third, the noise figure of a parametric amplifier itself and the effective noise figure of the amplifier loaded with a noisy second stage, which may be a frequency converter, are derived. Factors such as diode loss, match, and the bandwidth ratio of the signal to the idler circuit are all considered in the derivations so as to make the results with greater importance for practical applications. Finally, a numerical example is given to show the utility of the results presented in this paper and to illustrate a possible design procedure of a non-degenerative parametric amplifier.

    本文主要结果有三:第一,推导出基波激励和次谐波激励参量放大器的优值、功率增益、和通带等主要特性,并就这些特性对基波激励源的和次谐波激励源的参量放大器进行比较;第二,通过半导体二极管非线性电容的谐波分量的分析,在激励电压、偏压和放大器的特性间得出定量关系,并且对给定放大器特性求出激励源幅度和频率的稳定要求;第三,推导出放大器的有效噪声,并给出最低有效噪声的设计条件。 以上特性的探讨和二极管损耗、信号迴路和镜象迴路通带比、匹配等因子结合在一起进行,使所得结果更具有实际意义。最后举出一数字例子,说明应用本文结果来设计参量放大器的一种可能步骤。

    ~~

    在本文中,我们指出,当超导膜的厚度足够小时,它的临界温度Tc、能隙△以及热力学性质都随着膜的厚度d的改变作周期性的变化,变化的幅度随着d的减少而增加。

    This paper presents the Analysis of parasitic modes produced by various rouud waveguide discontiu ites, especially ellipticity, in the transmissin of H11 waves. The mode conversion includes the coup ling betweeu vertically aud horizentally polarized H11 waves.Various calculation for malars are derived. Two examples with freqneucy of 4200 me and 6425 me are calculated. The theorectical value calculated agee well with experimental results.

    本文分析了圆波导傅输H_(11)波型时,各种波导不连续性所产生的寄生波幅度、包括正交极化H_(11)波的幅度。着重分析了椭圆度问题,得出了相应的公式。以4200mc和6425mc举例计算。其中有些与实验结果符合,有些与国外计算结果相符。

     
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