| A laser shoot target multi-channel data-acquisition processing system of this paper is a multi-channel serial communication system which independently designed and realized based on the RS-485serial communication theory and the army actual group-training demands. The system is divided into two parts: Laser shooting target system and Multi-channel data-acquisition processing database system. It consists of computer and microcontroller. The second part is the point in this paper.This paper expound the fact of RS-485 bus multi-channel data-acquisition system's design and the correlation problems, especially the software and hardware realization of microcontroller's interface, the computer's interface, and the design of multi-channel data-acquisition database. It also gives out the conclusion of the research and the system's development finally.The main characteristics of the system are:(1) Computer can control the operation of Microcontroller, which can select the time of data-acquisition diseretionarily.(2) Microcontroller system can work without computer and carry on the simple processing.(3) It is not only fit for data-acquisition of close quarters, but also fit for data-acquisition of telecommunication.(4) The time diseretionarily to save the data into the Delphi database can be selected.(5) It can show diagram of curves of data-acquisition dynamically, that is a powerful tool for people to analyze the trainer.(6) It is also well transplanted.
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