Papers by Keyword: Induced Polarization (IP)

Abstract: Induced polarization method is one of common methods for electrical prospecting of geophysical. The paper is to analyses and research application of embedded technology for induced polarization instrument and design multifunctional transceiver instrument. The paper is to realize hardware part of induced polarization instrument by regarding ARM processor as hardware core by combination of current intelligent power module (IPM), induced polarization analog signal processing and 24-digit △-∑ high-precision A/D conversion chip (CS5532), etc. It can transplant embedded operation system (uClinux) on embedded ARM processor and formulate drive program which matches hardware circuit and application program to fulfils various functions including data acquisition, data processing & display, data storage & transmission required by induced polarization instrument under uClinux system management.

Abstract: A new medium-power frequency domain IP transmitter is developed in this paper, which uses the IP rectangle drive signal with high precision and good stability produced by CPLD and GPS punctual module, and adopts the four bridge legs of the new IPM to compose full bridge inverter switch. Experimental results show that this transmitter has many advantages, such as high precision frequency, high transmitting power, extremely good stability, portable and very good application effects.