Affected by higher Rayleigh wave modes in the surface wave field, the effective phase velocity obtained by spectral analysis of surface waves SASW.
由分层介质表面两不同点响应互谱分析(SASW)得到的有效相速度并不对应于面波基阶模态相速度，它与波场中高阶模态能量分配比例有关。
The results indicate that influenced by higher modes and the source, the effective phase velocity is related to frequency as well as the distance from the source.
结果显示在高模态及振源影响下表面波有效相速度不仅与频率有关，而且与传播距离有关。
The optical-electrical measurement is an effective and feasible way to measure solid particle concentration and velocity in gas-solid two phase flow.
应用光一电检测方法测量气一固两相流中固体微粒浓度、速度，是一种十分有效和可行的方法。
应用推荐