The data acquisition system (ob-servation system, ground seismic source and borehole seismic detector) and processing methods (ray tracing proc-essing and tomography imaging) are discussed.

• 数据采集从震源和检波器两个方面优化，选用激发能量强、频率高、成本低、效率高的震源，以及灵敏度高、抗噪能力好的检波器；