• 第二部分,本文分析周期模型分解尺度各种不同入库径流序列对模型预测精度影响程度

    Part two: This paper analyzed the degree of predicting precision affected by decomposing scale coefficient of wavelet cycle model and various kinds of reservoir inflow runoff series.

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  • 快速睡眠周期之间我们还有快速眼动睡眠,包括深度睡眠期睡眠。

    In between cycles of REM sleep, we have non-REM sleep, which includes deep or 'slow-wave' sleep.

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  • 人们希望温度时间系列尽可能地长,以便研究各种振荡周期

    The time series of temperature are expected to be the longest possible so as to examine various modes of oscillation periods.

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  • Cheng模型描述了黑洞持续吞食恒星时,等离子体反复周期的被注入银河晕这样的震荡如何形成的。

    Cheng's model describes how, as the black hole continues to devour stars, shockwaves are created as hot plasma is repeatedly and periodically injected into the halo.

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  • 后来安德里亚凡安绰夫(Andreasvon Antropoff)1924年,利诺斯·卡尔·鲍林(Linus C . Pauling)1932年,做出类似预测。预测的依据是:周期表里的化学趋势

    Similar predictions were made later, by Andreas von Antropoff (1924) and by Linus C. Pauling (1932), based on chemical trends in the periodic table.

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  • 最近一个周期中,M82重力增强了M81周围密度脉动,导致M81的旋臂更浓密。

    Last go-round, M82's gravity likely raised density waves rippling around M81, resulting in the richness of M81's spiral arms.

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  • 这种测度方法收益平均消除经济周期底所带来的影响。

    This measure averages earnings over ten years to smooth out the peaks and troughs of the economic cycle.

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  • 共振相互作用低频振荡周期初始扰动振幅很强相关关系

    The low-frequency fluctuation periods and the initial amplitudes have close relationship in the resonance interaction.

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  • 常规横向剪切干涉仪基础上,利用周期假设,基于小变换的方法实现前重构。

    On the assumption of wavefront prolongation, a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.

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  • 傅氏算法基于周期信号推导出来的,当采样信号含有衰减直流分量时将会产生误差

    The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.

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  • 本文就此进行了初步分析认为强震预滑移可能产生这种周期形变,它们大震预报有一定意义。

    In this paper we analyze these data and find that the deformation wave of long period comes from pre-movement before a strong earthquake.

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  • 微分方程分支理论计算机数值模拟方法研究广义CH方程周期

    The periodic wave solutions of the generalized CH equation are investigated by using bifurcation theory of differential equations and numerical simulations.

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  • 考虑海浪建筑物作用时,人们往往强调周期重视不够。

    Under consideration of wave action on the structures, wave height is often recognized as more important than wave period.

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  • 不仅冲击作用情况有关而且通风构筑物形状大小、自周期等因素有关。

    It is a very complicated problem that is not only related to the shock wave interaction, but also to the shape, size and natural frequency of the ventilation structure.

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  • 利用微分方程几何定性理论直接得到该方程存在有限振幅周期孤立解的存在条件

    Conditions for the existence of solutions to periodic and isolated waves of limited amplitude are directly obtained based on qualitative geometric theory for ordinary differential equations.

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  • 第二实例自引力介质非线性渐近周期色散关系

    The second example is the asymptotic periodic solution and the dispersion relation of weakly non-linear waves in a self-gravitating medium.

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  • 研究了这些周期之间相互作用,发现其相互作用是非弹性的。

    The interaction properties of periodic waves are found to be inelastic.

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  • 积分常数零的条件下,证明了该方程存在光滑孤立、不可数无穷光滑周期解、扭结和反扭结解。

    When the integral constant is zero, the existence of smooth solitary wave solutions, uncountably infinite, many smooth periodic wave solutions, and kink and anti-kink wave solutions are proved.

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  • 应用数值模拟方法对水下爆炸产生诸如气泡脉动规律、脉动周期水中冲击压力的变化等特性进行了研究。

    The characteristics of underwater explosions such as pulsation law and pulsation cycle of bubbles, and pressure time histories of shock waves in water were investigated numerically.

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  • 实验处理结果表明方法不仅对微多次有效,而且残余周期鸣震多次达到令人满意的压制效果

    The experiment processing results demonstrate that the method can not only sufficiently attenuate the peg-leg multiples but also eliminate the long-period residual multiples to a satisfactory effect.

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  • 讨论光栅周期、光栅深度入射入射角度等参数对光栅衍射特性影响

    The effects of grating period, the grating depth , and incident angle on the grating diffraction characteristics are investigated.

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  • 本文原有定性分析方法基础上,提出基于径流时间序列周期系数加权求和预测周期成分年径流预测模型

    Based on the primary qualitative method, we propose an annual runoff prediction model using weighted sum of wavelet coefficients of major periods to predict the periodic components.

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  • 给出周期正交条小计算方法这种周期正交样条小方便处理有限区间问题

    In this paper, we present the computational methods of periodic orthogonal spline wavelets, which can be used to process the problems on the finite interval.

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  • 空间位置时间周期函数时,平面误差永远是一偏差项。

    The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.

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  • 通过中的各种轨道获得孤立周期的精确

    By the orbit in the phase portraits, different kinds of solitary wave, kink wave and periodic wave solutions are obtained.

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  • 通过预处理滤除工周期分量消除变换信号峰值处极大值从而避免了故障误判

    As wavelet module maxima occur at peaks of signal, the pretreatment removes power frequency periodic components from electric signal and thus avoids misjudgments of fault.

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  • 最后一个时间周期行进进行平均说明,场平均值可以好的表征双局部行进特性

    The intensity of traveling wave field averaged in a time period demonstrates that the characteristics of doubly localized traveling wave can be well described by the averaged wave field.

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  • 周期风浪成长起点处值基本处于其余几种成长关系中间

    For wave height and wave period, the start point of wind wave growth is lies in the middle of the other growth relations.

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  • 周期风浪成长起点处值基本处于其余几种成长关系中间

    For wave height and wave period, the start point of wind wave growth is lies in the middle of the other growth relations.

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