1) High wave velocity ratio
高波速比
2) wave velocity ratio
波速比
1.
Study on the relationship between abnormal charge of wave velocity ratio in Beijing area and medium earthquakes in Capital zone;
北京地区地震波速比异常变化与首都圈中等地震的关系研究
2.
The abnormal change of wave velocity ratio in northwest of Beijing before Zhangbei 6.2 earthquake;
张北62级地震前京西北地区地震波速比的异常变化
3.
By measuring the velocities of the P-wave and S-wave in three orthotropic directions including parallel and vertical directions to the stratum of the rock samples for slate,phyllite,mylonite and metasandstone,and based on the wave velocities of other rocks from the relevant studies,the anisotropic effect of wave velocity ratio of the P-wave and S-wave for most rocks is put forward.
通过对板岩、千枚岩、糜棱岩和变质砂岩等4种各向异性岩石在平行和垂直层理或板理的3个正交方向上进行大量的纵、横波波速试验,并结合对相关文献中已有岩石波速数据的深入分析,提出岩石介质纵、横波波速比的各向异性效应。
3) V_P/V_S ratio
波速比
1.
Characteristics of V_P/V_S ratio in the series of Jiujiang-Ruichang earthquake;
九江—瑞昌地震序列的波速比特征研究
2.
0 occurred in Bohai Sea area (37°─39°10 N, 118°─121°30 E) from January, 1970 to August, 1993 using the V_p/V_s ratio calculation and error formulas in the literature 1 from the references are calculated and T-test for the results is made.
本文应用文献［１］中的波速比计算公式和误差公式，对渤海海域（北纬３７°～３９°１０’，东经１１８°～１２１°３０’）范围内，１９７０年１月～１９９３年８月发生的ＭＬ≥２。
4) velocity ratio
波速比
1.
Starting with the method and theory of multistation velocity ratio calculation,we thoroughly analyzed the differences between velocity ratios calculated by different formulae.
文中从多台计算波速比方法的原理入手,对不同公式计算的波速比差异进行了深入分析,认为在原理一致的条件下,波速比差异主要与拟合过程中自变量的选取及2组数据的相关系数有关。
2.
This paper calculates the velocity ratios of the P-waves and S-waves of earthquakes of MI≥2.
0级地震的P波到时和 S 波到时进行了波速比计算,并对研究区域内 5 次中强地震前波速比变化作了空间演化图。
3.
2-D crustal structure as well as velocity ratio ( v __P/ v __S ) is revealed by processing S-wave data from two wide-angle reflection/refraction profiles in and around Jiashi in the northeastern Pamirs, with the results of P-wave data taken into consideration.
通过对帕米尔东北侧伽师及其周边地区两条深地震测深剖面S波资料的处理计算 ,结合P波研究结果 ,得到了S波二维地壳速度结构和波速比 (vP/vS)分布 。
5) VP/VS ratio
波速比
1.
Then we calculated the VP/VS ratio of the Yunnan area and analyzed its regional distribution characteristics.
5 s的近台),计算出云南地区数字地震波的波速比(VP/VS),并分析了其区域分布特征。
2.
The western section of the profile and Haiyuan region have low S-wave velocities and high vP/vS ratio,while the middle and eastern sections have normal S-wave velocities and vP/vS ratio.
对玛沁—靖边剖面深地震测深S波资料处理解释,获得本区S波二维地壳速度结构和波速比结构。
6) V P/V S
波速比
1.
The authors have found that V P/V S was in a drop-low-occur process in six professional stations before the earthquake.
震后发现 ,青海省 6个专业台站的地震波速比在震前出现了下降 -低值 -发震的过程。
补充资料：波速
波传播的速度。①单色波的波速v与波长λ、波源振动频率f之间的关系为：v=λf。机械波的波速由介质的弹性模量和密度所决定。在室温下，声波在空气中的传播速度约为340米/秒；电磁波在真空中传播的速度等于光速，约为3×108米/秒。②海浪波速(c)的大小取决于波长(λ)或海区水深(h)。当海区水深很大时，波速仅与波长有关，而与水深无关，即为c2=gλ2π；当海区水深很小时，波速仅与水深有关，而与波长无关，即为c2=gh。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条