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- For usual medium, three parameter velocity analysis evaluates both the bin center stack velocity v without dip influence and the apparent interface dips at two perpendicular directions. 对一般介质来说,三参数速度分析就是求取各面元中心点处,消除了倾角影响的叠加速度v和互相垂直的两个方向上的界面视倾角。
- Although the ordinary stack velocity analysis method has already matured,the ordinary NMO equation is based on the supposal that the shot and receiver points are located a same horizontal datum plane. 常规叠加速度分析方法虽然业已成熟,然而常规动校正方程是基于炮、检点处于同一水平基准面的假设,在地表起伏较大的地区,即使采用浮动基准面的方法,其速度分析误差也不容忽视。
- The method of stack velocity analysis based on relief surface presented in the paper uses double-square-root equation to compute the travel time of reflections,which is suitable to use in the area w. 本文提出的基于起伏地表的叠加速度分析方法,应用双平方根方程计算反射波的旅行时间,可适用于地形起伏剧烈地区。
- Stack Velocity Analysis for Phased-Array Ground Penetrating Radar 相控阵探地雷达数据的叠加速度分析
- This paper presented a new approach for stacking velocity analysis, and discussed the principles, procedure, applicability, and applications of suppression of prestack random noises and outlie... 提出了一种新的叠加速度分析方法，并详细描述了基于这种新的叠加速度分析进行叠前随机噪音衰减和野值压制的原理、实现步骤、应用条件以及应用效果。
- Pre-stack Random Noise and Abnormal Velocity Suppression Technologies Based on Stack Velocity Analysis 基于叠加速度分析的叠前随机噪音和野值压制技术
- stack velocity analysis 叠加速度分析
- P-wave velocity analysis in anisotropy medium. 各向异性介质纵波速度分析。
- The quality of velocity analysis directly affects normal moveout correction, and then affects stack imaging and migration. 速度分析的质量直接影响动校正继而影响叠加成像以及偏移归位。
- Velocity analysis is an important step in seismic data processing, which determines the precision of NMO, CDP stack, post-stack migration and time-depth conversion. 速度分析是地震勘探资料处理中的关键环节，它的准确与否对动校正、共深度点叠加、叠后偏移及时深转换等都将产生影响。
- It is shown from actual example that the accuracy of velocity analysis using this method is improved in anisotropic medium, and the stack effect is better. 实例表明，该算法提高了各向异性介质速度分析精度，改善了剖面迭加效果。
- It is shown that in the rnedlum where velocity varies laterally,conventional stack velocity is related to not only velocity and travel time at CMP butalso the second der1vative of velocity in lateral direction. 研究结果表明，在横向变速介质中，常规叠加速度不仅与共中心点处的速度及旅行时有关，而且还与速度沿横向的二阶导数有关。
- The effectiveness of filtering depends on the correctness of stacking velocity. 进行压制时的滤波技术是否有效，关键在于叠加速度是否准确。
- Next, a study of P-wave nonhyperbolic moveout velocity analysis in azimuthally anisotropic media is performed. 在此基础上,针对方位各向异性介质模型开展了纵波非双曲时差速度分析的研究工作。
- The assumption that there is no lateral velocity variation in a stratum is usually made in velocity analysis. 通常进行速度分析时仅设地层没有速度横向变化，但是实际情况并非如此。
- The authors propose a migration velocity analysis method based on a global optimization. 提出用全局最优化偏移速度分析方法求取介电常数分布。
- How much do all these figures stack up to? 这些数字的总和是多少？
- Based on the theory, wave propagates through the tilted strata, the method of 3-D irregular line velocity analysis (on condition that the dip is steep) is put forward. 本文根据波在倾斜地层中的传播理论,提出在大倾角情况下的三维非规则测线速度分析方法。
- In order to in-phase stack of aligned reflection events on CMP gathers, the stack velocities may have some higher or lower anomalies. 若使共中心点道集内的反射同相轴校平后能够同相叠加,叠加速度则会出现一些低或高的异常。
- Because of the ray asymmetry of the downgoing and upgoing waves, the velocity analysis based on the CMP gather cannot be adapted to that of the converted wave (CCP). 转换波上、下行波的不对称性,使得常规基于共中心点(CMP)道集的速度分析不能适用于转换波。
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