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    LOVE WAVE PHASE VELOCITY MAP IN SOUTHERN GERMANY
    德国南部地区Love波相速度分布
    An algorithm of transient reyleigh wave phase velocity
    瞬态瑞利波相速度算法研究
    SEISMIC TOMOGRAPHY OF YUNNAN REGION USING SHORT-PERIOD SURFACE WAVE PHASE VELOCITY
    云南地区的短周期面波相速度层析成像研究
    In this paper, we derive the Λ-N S wave separation potential from the scattering lengths and effective ranges obtained from the Λ-N single K, η,ωand 2π,πρmeson exchange potential. Based on calculating the S wave phase shift of A-p elastic scattering and the Λ well depth in nuclear matter, the features of the Λ-N S wave separation potential are discussed.
    利用单K、η、ω及2π、πρ介子交换势给出的散射长度和有效力程,我们导出了一种A-N的S波分离势,并通过计算Λ-p弹性散射的S波相移和Λ超子在核物质中的单粒子位阱深度对该分离势的特性进行了讨论。
    The ψ'→J/ψπ+π- decay process provides a new way to extract the ππ S wave phase shifts up to 0.59GeV. In this paper we derive the formulae for extracting the ππ S wave phase shifts from the invariant mass spectrum of nn in the ψ'→J/ψ π+π- decay.
    ψ’→J/ψπ+π-提供了一个抽取低于0.59GeV的ππS波相移的新途径. 基于在树图衰变振幅中忽略D波的近似,给出了从ψ’→J/ψπ+π-的ππ不变质量谱中得到ππS波相移的公式.
    GLOBAL SURFACE WAVE PHASE VELOCITY VARIATIONS AND THEIR TECT0NIC IMPLICATIONS
    全球地震面波相速度变化及其大地构造学意义
    a formula of the free-free absorption cross section of electron both in the spherically symmetric potential field and in the presence of a laser field has been found . Expressed with the partial wave phase shifts, the formula has been written, The computation for e+He+hw shows that this formula is effective and available for the e + A+hw system.
    导出了激光场中电子被中心势场散射的以分波相移表示的自由-自由跃迁吸收截面理论计算公式,以激光场中慢电子被He原子势场散射为例做了计算,说明对于自由-自由吸收截面,该公式的计算是有效的、方便的。
    The article theoretically reveals the interior relations between the spectral amplitude of global surface wave phase velocity and earth structure's differentiability of lateral heterogeneity, analyzes the features of two kinds of different spectral amplitude, and provides some theoretical criteria for choosing suitable parameterization and prior smoothing condition.
    本文从理论上揭示了全球地震面波相速度球谐展开的振幅谱特征与横向非均匀结构微分性质的内在联系,对现今存在的两组不同的高阶振幅谱特征作了进一步的分析,并为选择更为合适的参数化方法或模型光滑度的限制条件提供了某种理论判据。
    The contribution of parameter v S 0 for the P wave phase velocity can be negligible, which is very important for the elastic parameter inversion, velocity inversion, normal moveout correction, dip moveout removal and migration in time domain.
    Thomsen参数vS0 对P波相速度的影响非常小。 研究结果对各向异性介质中的弹性参数反演、速度反演、NMO、DMO及时间域的偏移有着重要意义。
    But the value of Reyleigh wave phase velocity has evident error, the algorithm of transient Reyleigh wave phase velocity is studied in the paper, which is based on the frequency dispersion character of Reyleigh wave under the condition of samdwich medium.
    目前对其计算出的相速度偏差太大,因此本文利用平面瑞利波在层状介质条件下的频散特性,对瞬态瑞利波相速度的算法进行了研究。
    A power factor auto compensation system based on MCU and full wave phase sensitive rectifier amplifier is introduced.
    介绍了一种以单片机和全波相敏整流放大电路组成的功率因数自动补偿器装置。
    It is possible to pick the more accurate arrival time for a weak signal,and to supply simultaneously inverting the lateral inhomogeneity of the surface wave phase velocity with different periods using polarization and dispersion data with fundamental data on the polarization analysis.
    为发展同时利用偏振和频散资料的联合反演不同周期面波相速度的横向不均匀分布这一新的反演方法提供偏振分析的基础数据.
 

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