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harmonic     
相关语句
  谐波
    STIMULATED SCATTERING AND HARMONIC RADIATION OF HOMOGENEOUS AND INHOMOGENEOUS LASER PLASMAS
    均匀与非均匀等离子体中的受激散射与谐波
短句来源
    A Research on Josephson-Effect Harmonic Mixer
    约瑟夫逊效应谐波混频器的研究
短句来源
    Second harmonic wave coherent Raman mixing in LiIO_3 crystal
    LiIO_3晶体内谐波相干喇曼混频
短句来源
    Non-collinear harmonic wave in nonlinear crystal
    非线性晶体中的非共线谐波
短句来源
    HARMONIC EFFECT ON EXAFS AMPLITUDE
    谐波对EXAFS振幅的影响
短句来源
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    B-S WAVE FUNCTION FOR A GENERALIZED FOUR-DIMENSIONAL HARMONIC OSCILLATOR
    广义四维振子位势的B-S波函数
短句来源
    A method of damped harmonic oscillator in quantum laser theory
    量子激光理论的阻尼振子方法
短句来源
    Transformation of Elastic Scattering Angular Distribution from Tabular Data of Two Dimensions into Spherical Harmonic Expansion
    弹性散射角分布二维数表向球展开形式的转换
短句来源
    On the Definition of the Phase Operator of Harmonic Oscillator and Some Related Paradoxes
    振子位相算符的定义与佯谬
短句来源
    A Method of Damped Harmonic Oscillator in Quantum Two—photon Laser Theory
    量子双光子激光理论的阻尼振子方法
短句来源
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  次谐波
    Structure of the second harmonic produced by laser irradiated plane and foil targets
    激光辐照平面靶产生的二次谐波结构
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    Third harmonic of ps laser in a ZnS thin film waveguide
    ZnS光波导中微微秒激光的三次谐波
短句来源
    Second harmonic generation of 2-methy 1-4-nitroaniline by a neodymium:yttrium aluminum garnet laser with a tapered slab-type waveguide
    具有锥瓣形光波导的2-甲基4-硝基苯胺对Nd:YAG激光产生二次谐波
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    The experiment on second harmonic wave in MgO:LiNbO_3
    掺镁LiNbO_3的二次谐波实验
短句来源
    Experimental study on optical second harmonic generation of Langmuir-Blodgett monolayer assembly
    组装L-B膜光学二次谐波的实验研究
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  简谐
    The Harmonic Force under Lorentz Transfoimation and Its Application
    洛仑兹变换下的简谐力及其应用
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    VARIATIONAL PERTURBATION CALCULATION FOR HYDROGEN-LIKE ATOMS IN THE SMALL AND TIME HARMONIC ELECTRIC FIELD Ⅱ:THE EXCITED STATES (21±1)AND (32±2)
    弱时间简谐电场中类氢原子的变分微扰计算Ⅱ:激发态(21±1)和(32±2)
短句来源
    Behavior of a Quantum Harmonic Oscillator with Time-Dependent Mass and Frequency
    质量和频率依赖于时间的量子简谐振子的行为
短句来源
    The Dynamic Light Scattering of Collimated Gaussian Beam under Simple Harmonic Binding by Brownain Particle in Colloid
    胶体中布朗粒子简谐束缚下准直高斯光束的动态光散射
短句来源
    Generalized Coherent States of 2+1 Dimensional Harmonic Non Harmonic Oscillator
    2+1维简谐-非简谐振子的相干态
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  harmonic
Lichtenstein in the caseu =(n, ?) or(n?), we prove that ?(q).ζ1/2 is non zero for all harmonic polynomialsq ∈S() \ {0}.
      
Coordinates on Schubert cells, Kostant's harmonic forms, and the Bruhat Poisson structure onG/B
      
For the flag manifoldX=G/B of a complex semi-simple Lie groupG, we make connections between the Kostant harmonic forms onG/B and the geometry of the Bruhat Poisson structure.
      
We show that on each Schubert cell, the corresponding Kostant harmonic form can be described using only data coming from the Bruhat Poisson structure.
      
We study boundary value problems for the time-harmonic form of the Maxwell equations, as well as for other related systems of equations, on arbitrary Lipschitz domains in the three-dimensional Euclidean space.
      
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It is pointed out that for those nuclei, the last nucleon of which occupies the level of largest Ω in a harmonic oscillator shell, all the calculated magneticmoments, μNil, are much better than the Schmidt value. In the present paper, we have discussed the added correction of magnetic moment due to the existence of a strong spin-orbit coupling in the nuclear average field. It is found that the tendency of correction is co rect and the corrected values of magnetic moment agree well with the experimental...

It is pointed out that for those nuclei, the last nucleon of which occupies the level of largest Ω in a harmonic oscillator shell, all the calculated magneticmoments, μNil, are much better than the Schmidt value. In the present paper, we have discussed the added correction of magnetic moment due to the existence of a strong spin-orbit coupling in the nuclear average field. It is found that the tendency of correction is co rect and the corrected values of magnetic moment agree well with the experimental data. (Table 2, Fig. 1.)

对于这样一类原子核——按照Nilsson能级图,它的最后奇核子处于一谐振子壳层中Q最大的能级上——用Nilsson波函数计算磁矩结果,毫无例外比Sehmidt值好得多,相当接近实验(表1)。我们讨论了由于自治场中存在有一项与速度有关的强自旋轨道耦合对磁矩的改正。计算结果表明,改正后的计算值和实验相当符合。对于大形变核_(11)Na~(23)及Mn~(55)计算结果亦有较好改进。(图1)。

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...

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。

An instrument for measuring the first and second derivatives of l-V characteristics of tunnel diodes and point contact diodes as a function of D.C. bias was designed. The principle of operation is based on the harmonic analysis of the current. The circuit involved is rather simple. As an example for the application of this instrument, plots of first and second derivatives of a tunnel diode and a point contact diode were shown. From the given results, it has been pointed out that tunnel diodes may be used...

An instrument for measuring the first and second derivatives of l-V characteristics of tunnel diodes and point contact diodes as a function of D.C. bias was designed. The principle of operation is based on the harmonic analysis of the current. The circuit involved is rather simple. As an example for the application of this instrument, plots of first and second derivatives of a tunnel diode and a point contact diode were shown. From the given results, it has been pointed out that tunnel diodes may be used in low level detectors.

本文提供测量隧道二极管伏安曲线二次微商与直流偏压关系的谐波分析法。着重讨论测量原理,电路设计和误差对结果的各种影响。同时,指出进行这项工作对隧道二极管应用和它的物理性质研究的意义。文中介绍了典型测量结果。并对隧道二极管作低电平检波器应用的价值作了一些定量的讨论。

 
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