The simulation and analysis of wave equation shows that the multiple waves couple with and the effective reflection wave under the condition of shallow water,the multiple waves reflected back from sea surface change the waveform and phase of the effective reflection wave and decrease the frequency of seismic data.
波动方程数值模拟与分析表明,浅海多次波与有效反射波耦合在一起,海平面强反射多次波改变了有效波波形与相位,降低了地震资料频率。
In consideration of the problems of static correction, improvement of signal-noise ratio and suppression of multiple waves, effective processing schemes are presented.
针对处理中存在的静校正、提高信噪比和多次波压制等3个关键问题,提出了有效的处理方案。
Io consieeration of the characters of multiple waves in Kongquehe area.
针对孔雀河多次波的特点,应用稀疏PRT压制多次波方法,利用多次反射波的特征及其与一次反射波的差异,加强对数据的抛物线分离,更精确、更有效地实现了多次波的分离与压制,达到压制孔雀河地震资料目的层强多次波干扰,恢复弱有效反射的目的。
A method to delete multiple reflections with high fidelity and its application in offshore seismic data processing;
高保真多次波剔除法及其在海上地震资料处理中的应用
There are several factors that affect seismic data quality in the past years, such as multiple reflections, shielding of the .
影响潮汕坳陷历年所采集的地震资料品质的主要因素有多次波、海底地形和礁体屏蔽、火成岩体干扰、不合理的采集参数以及不完善的资料处理手段等。
In contrast,methods used to depress regular interference,especially multiple reflection and surface wave are few.
但在压制多次波干扰和面波干扰方面,目前有效的方法并不多。
Study on Fe(Ⅲ)-SCN~-System and Determination of Trace Iron by Primary-Secondary Wavelength Computation Spectrophotometry;
Fe(Ⅲ)-SCN-体系及主次波长计算光度法测定痕量铁的研究
Active Control of High Order Modes in Ducts;
管道中高次波的有源控制
Recently, the method of inverse scattering series has already been used to remove free surface multiples and to attenuate internal multiples, which is significant to seismic data processing.
运用逆散射序列方法能去除自由表面和内部多次波 。
The paper introduces the basic concept of beamforming method in multiples and internal multiples attenuation.
介绍了聚束滤波方法消除地震资料中的多次波及层间多次波的基本原理。
In seismic data processing,free surface multiples attenuation is important in multiples attenuation.
在地震资料处理中,多次波压制的重点是自由表面多次波。