贡献给物探工作者，难得的fortran三维射线追踪源代码！-Contribution to the geophysical workers fortran unique three-dimensional ray tracing the source code!

地震波动方程 射线追踪 波前追踪 附有文档 复杂介质常梯度射线追踪方法-Seismic wave equation wave-front tracking ray tracing of complex media files with regular gradient ray-tracing method

地震偏移成像程序，主要用于石油行业的地震资料数字处理，包括克希霍夫偏移和频率波数域偏移-Procedue for seismic data Migration image. mostly used for seismic data processing, include Kirchhoff time migration and FK time migration