在勘探地震学中，同一入射点处入射角θ的正弦值与速度值之比为一常数，这个常数就成为射线参数。这条射线就对应一个射线参数。
本文提出的“射线参数法”，可由多道地震记录谱直接估算层速度或层速度线性梯度值。
A new method, the ray parameter method, is presented in this paper to derive velocity - or its linear gradient-depth information, directly from multi-channel seismic data.
本文讨论了射线追踪加速技术，复射线参数的选取，并分析了复射线计算中产生误差的主要原因。
Ray tracing accelerate technique, the parameters of complex ray has been discussed in this article, and some empirical formulas for choosing the complex ray parameters have been given out.
不同角度入射的平面波对最终成像结果的贡献是不同的，据此可以有针对性地选择射线参数进行平面波成像。
The plane wave with different incident angles has different contribution to the final imaging result, and based on it, the ray parameters can be correctly selected for plane wave imaging.
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