地震勘探中频谱分析程序。注意：1）掌握数据输入、输出基本语句；2）掌握数据补零的编程要求；3）掌握实信号频谱对称性原理。 -Spectrum analysis of seismic exploration program. Note: 1) master data input, output of basic statements 2) master data zeros programming requirements 3) grasp the real signal spectrum

Titest and orthotest are programs for calculating how close to transversely isotropic or orthorhombic a set of 21 elastic constants are. General anisotropy requires 21 velocity parameters to describe. Orthorhombic media have 3 perpendicular pla