A random wave-theory analysis method is developed for the random seismic response analysis of layered soil sites under the P-and SV-wave excitations.
提出了P、SV波作用下层状土层地震反应分析的随机波动分析方法。
Then the mutual affection of multi-pneumatic-hammers was studied using the theory of elasticity wave and random modulation.
然后利用弹性波理论和信号随机调制理论，分析了多路随机振动互相作用。
Based on the analytical theory of multiple scattering, the millimeter wave propagation and scattering in discrete random media were investigated by means of the particle-tracking method.
根据多重散射的解析理论，利用粒子跟踪法研究了毫米波在离散随机介质中的传播与散射。
Based on wave radiation transmission theory in random medium and Monte Carlo numerical simulation method, the transmission characteristic of the laser in aerosol in different situations is studied.
本文基于随机介质中波的辐射传输理论，采用蒙特卡罗数值模拟方法，研究了激光在不同情况的大气气溶胶中的传输特性。
In theory, the influence of the exponential DC component on the fundamental wave component with random decay time constant can be completely eliminated with the algorithm.
理论上新算法可以消除任意衰减时间常数的直流分量对所求各次谐波分量的影响。
According to wave motion theory, finite element mesh size satisfying the needs of engineering calculating precision is relevant to the upper limit of frequency range of random (response) problems.
根据波动理论，满足随机响应工程计算精度要求的有限元网格大小与待求高频随机响应问题的频率范围上限有关。
The neural network model of the equivalent complex refractive of random rain media is developed by means of the improved BP algorithm, based on the electromagnetic wave propagation theory.
利用改进的BP算法，结合电波传播理论，建立了随机雨介质的等效复折射指数的神经网络模型。
The results may better reflect the non-stationarity of ground motion in time domain and are closer to reality than those by wave theory and stationary random vibration theory.
由于这种方法能较好地反映地面运动的时域非平稳性，所以得到的计算结果更真实。
The coupled cluster method is improved with the random phase approximation (RPA) to calculate vacuum wave function and vacuum energy of 2 + 1-d SU (2) lattice gauge theory.
采用无规相近似(RPA)耦合集团展开方法，计算出2 + 1维su(2)格点规范场的三到六阶真空波函数和真空能量。
The coupled cluster method is improved with the random phase approximation (RPA) to calculate vacuum wave function and vacuum energy of 2 + 1-d SU (2) lattice gauge theory.
采用无规相近似(RPA)耦合集团展开方法，计算出2 + 1维su(2)格点规范场的三到六阶真空波函数和真空能量。
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