热尘埃等离子体中的非线性尘埃声孤波在高阶横向扰动下是稳定的,且尘埃颗粒的温度、低温离子和高温离子的温度和数密度影响尘埃声波的性质。
The temperature of dust grains, low temperature and high temperature ions and the number densities of the ions influence the property of dust acoustic waves.
多小波可以同时具有对称性、正交性、短支撑性、高阶消失矩等性质,这是传统小波无法比拟的。
Multiwavelet can possess symmetry, orthogonality, short support and high order vanish moments, however traditional wavelet cannot possess all these properties at the same time.
结果表明:交错网格高阶有限差分波场数值模拟具有较高的精度,计算速度快,基本能满足工程上的需要。
The results show that the staggered-grid high-order finite-difference method can satisfy the demands of engineering with high accuracy and rapid computation.
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