With change of the battlefield and the development of armor technology, the detect ability of the tank initiative defense system meets a huge challenge.And the multi-sensor application can improve the Snackbars detect ability of the detect equipment.But the different type data of different sensor cannot be dealt with by the processor until use the data-fusion technology to the different Medicine type data.Finally, the detect equipment with multi-sensor can improve the anti-jamming ability of the tank initiative defense system.