地震射线是指处处垂直于波前面(在各向同性介质中)的线，射线路径由它在表面的方向表征，常常表示为时差。
地震射线通过两点的最快的路径，通常根据费马原理确定。
The fastest route that a seismic ray can travel between two points, generally dictated by Fermat's principle.
综述了用网络最短路径算法求解地震射线追踪问题的原理、方法技术以及存在问题和改进措施。
The principle and method of seismic raytracing with shortest path algorithm in networks are discussed, the relevant drawbacks in which and improved measures are also analyzed.
射线追踪的速度和精度直接影响地震资料的静校正和偏移成像的质量。
The speed and precision of ray tracing affect the quality of statics and migration for seismic data.
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