| Today,the complexity of application system is becoming more and more along with the rapid development of the computer-application technology. Accordingly,developing quality software more difficult.In between the nice idea or requirements and a working software product,there is more than programming.The Multi-channel Digital Synchronized Log (MDSL) is a hi-tech product developed by Institute of Image & Graphics, Sichuan University, which is used mainly for recording synchronously the radar data and the dialogue between pilots and the control tower for airdrome and airline companies. The voice and radar data in MDSL is an important testimony in the analysis of aero accident.MDSL system is very hugeness,it has much codes,and it must adapt different requirement of each airdrome.even the same airdrome,the requirement of our clients will change continually too.So,the cost of maintenance is very expensive.It is urgent to make a new integrated modeling for MDSL and re-construct it properly.Firstly,this paper discussed the whole framework and the application field of ADSL.And debate the basic theoretics of UML based on Object-Oriented. Whereafter,this paper made a modeling for MDSL using UML,and laid out some UML diagrams of MDSL, drawed the outline of MDSL. |
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