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- stationary wave characteristic 驻波特性
- 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。
- 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。
- In shear wave splitting research using multicomponent VSP data, wave characteristic in surface layer and source behaviour influence greatly the anisotropy interpretation of objective interval. 在利用多分量VSP数据进行横波分裂的研究中,地表层的波的特性和震源的行为严重影响了目标层的各向异性性质的解释。
- 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。
- A embedded module design for time synchronization with IRIG-B code is given on the basis of analyzing wave characteristic of IRIG-B code.This module has high accuracy, reliability and practicability. 该文在介绍了B码码形特点的基础上,提出了一种内嵌式B码对时模块的设计方法,该模块具有较高的可靠性,准确性和实用性。
- Demonstrating stationary wave on circular wire 环状金属线上驻波的演示
- 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。
- 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
- Peristaltic waves characteristic of small bowel obstruction are sometimes visible through the abdominal wall of thin patients with long-standing obstruction. 蠕动波是小肠梗阻的特征性体征,有时可以在长期梗阻的体瘦病人腹壁观察到。
- The relationship between stress and AE rate and wave characteristics of AE in laboratory were analyzed in the paper. 摘要文章对室内声发射事件能率与应力的关系及波形特性进行了分析。
- A microphone is a device for converting acoustic power into electric power that has essentially similar wave characteristics. 麦克风是一种装置,其声功率转换成电力,它基本上类似波的特点。
- electromagnetic wave characteristic 波特性
- The analysis of stationary wave with rotating vector 用旋转矢量分析驻波