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- The ray theory of geometric optics was applied to visually investigate the propagation of quasi stationary waves in time mean basic flow and interpret the zonal nonhomogeneity. 应用几何光学中的射线理论,直观地讨论了准定常波在时间平均基流中的传播,解释了定常波传播的纬向非均匀性。
- quasi stationary wave 准驻波
- Simulation results in Quasi stationary fading MIMO channel show that the scheme is very effective. 在淮静态MIMO衰落信道下仿真结果表明,该方案能显著提高系统性能。
- Van Doorn (1991) explained how quasi stationary distributions for an absorbing birth death process could be determined from the transition rates of the process. 说明在一个有吸收态的生灭过程中;如何用过程的转移概率来确定拟平稳分布.
- The sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数;
- Stationary waves are also produced in vibrating columns of air. 空气柱振动时也能产生驻波。
- quasi stationary electric current 准稳电流
- The sound absorption coefficiet of OSB was tested by the stationary wave method. The results showed that the OSB had good sound absorption property compared with brick and concrete. 采用驻波管法测定定向结构刨花板的吸声系数,分析比较了定向结构刨花板与砖、混凝土吸声性能的差异。结果表明,定向结构刨花板具有良好的吸声性能。
- We prove that the answer of stationary wave under cyclic boundary condition that has double length of the monatomic chain is the same as the answer under reflecting boundary condition. 本文还证明了镜面反射边界条件的解与2 倍原子链长度循环边界条件下的驻波解是等价的,说明采用循环边界条件近似求解有它的合理性;
- The sound absorption coefficient of OSB was tested by the stationary wave method. The results showed that the OSB had good sound obsorption property compared with brick fand concrete. 采用驻波管法测定定向结构刨花板的吸声系数,分析比较了定向结构刨花板与砖、混凝土吸声性能的差异。结果表明,定向结构刨花板具有良好的吸声性能。
- Kennedy, J. F., 1961, Stationary waves and anti-dunes in alluvial channels, Rep. KH-R-2, Keck Lab. Hyd. And Water Resources, Calif. Inst. Tech., p146. 作者简介:梁志勇(1962-),男,山西晋城人,博士,高工,主要从事水力学、河流动力学、泥石流灾害与防治研究。
- Demonstrating stationary wave on circular wire 环状金属线上驻波的演示
- Sedimentation Law under Stationary Wave 泥沙在驻波条件下的沉降规律
- Stationary Wave in a Rectangular Water Trough 矩形水槽中的驻波问题
- stationary wave absorption measurement 驻波吸收量度
- stationary wave absorption meas-urement [电] 驻波吸收量度
- A stationary target is easiest to aim at. 静止的目标是最容易瞄准的。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。