Application And Research Of Double Laser Beam Communication In The Simulation Of Nearby Bullet In Actual Soldier Combat

The traditional laser simulation countermeasure system uses a single-beam laser to simulate shooting,and can only distinguish between hit and non-hit states,while the passing nearby-bullet cannot be simulated.This article focuses on the problem of nearby-bullet identification in the actual combat system,and proposes a plan to apply the dual-beam laser communication technology to the actual combat simulation system.Study the relevant basic theories in the laser transmission process,and take the95-type automatic rifle as an example,design the laser transmitter and receiver installed on the barrel and helmet in the simulation of individual combat.The laser emission device realizes the emission control of the dual-beam laser through the laser modulation method,the drive circuit,and the design of the laser beam focusing and collimation.The receiving device uses silicon photocells to design the photoelectric conversion circuit,and designs the amplifying circuit and the shaping and widening circuit to ensure that the regular laser coding signal is sent to the single-chip microcomputer for processing.For the communication method between the helmet and the laser transmitter,the improvement measures combined with infrared sending and Zigbee uploading are proposed.At the same time,an anti low frequency interference MCU decoding scheme is proposed according to the characteristics of cyclic non-repetitive codes.The UCOSII operating system is transplanted on the receiving board to improve decoding efficiency and system operation real-time.Finally,an experiment was carried out to realize the communication between the launching board and the receiving board,laser transmission and reception of the dual-beam,and the function of distinguishing the nearby-bullet and the hit by decoding,and the feasibility of the solution applying the dual-beam laser emission and reception to the nearby-bullet problem is verified.