In addition, the paper deals with the instrumental working principle for carrying out this acquisition method and some technological problems which are likely to occur in the process of measurement.

• 该方式的主要特点在于一次测量操作可同时获取极化二次场随时间衰减和随深度变化的信息，同时还讨论实现该采集方式的仪器工作原理和信号测量过程中的一些技术问题。