THE DEVELOPMENT OF THE SQ SERIES DUAL-FREQUENCY IP INSTRUMENT

According to the theory of dualfrequency IP method and the technical requirements for the dualfrequency IP instrument, the authors have analyzed the principle of the SQ series dualfrequency IP instrument designed and made by ourselves, and described the hardware, software and specification of this IP instrument. Its field application shows its high reliability and quality, as evidenced by the satisfactory geological effects achieved.