伪随机序列在激电发送机中的应用

电法勘探是地球物理勘探中的重要方法之一，电法发送机是电法勘探的重要设备。在电法勘探中，电法发送机的发送方法及其效率对电法勘探效果影响较大。本文将伪随机的思想特性运用于电法发送机的制作中，其发送装置由FPGA（可编程逻辑器件）模块和信号控制模块IPM（智能功率模块）组成，其中FPGA模块将用于伪随机信号的产生，产生的信号用于控制IPM模块工作。

IP pseudo-random sequence in the application of electric emitter

Electrical prospecting is one of the most important ways of geophysical exploration, electrical transmitters are important equipments of electrical prospecting as well. In electrical prospecting, electrical method of emitter to send method and its efficiency greatly influenced the electric prospecting effect. In this article we apply the idea of pseudo-random to the electrical transmitters. The transmitter is made of a FPGA （programmable logic device） module and a IPM （intelligent power module） module. The FPGA is used to produce a pseudo-random signal, which is to control the IPM.