The Data Acquisition and Analysis System of The EAST Device Electric Field

According to the EAST (Experimental Advanced Superconducting Tokamak) experiment needs,in order to fully monitoring the changes of the electric field around the EAST device during plasma discharge,a multichannel data acquisition system of electric field around the EAST device was designed with LabVIEW software development platform.It uses the FlexRIO Series Data acquisition board for high-speed data acquisition,and the disk arrays for data storage.It has the ability of the 16 analog channel synchronous data acquisition,storage and display combined with the virtual instrument technology and high-speed data streaming technology.The system sampling precision is 14 bits,this sampling rate is up to 25 MHz,data streaming rates can be 800M/s.By testing,the system is stable,strong anti-interference,and can fully meet the needs of data acquisition of the electric field around the EAST device.