Range Remote Evaluation System Of Military Training

The Distant Test, which is an important part of the Distant Education, now becomes a focal application of the Internet technology, and gradually becomes a effective means of the military training and testing in the lunch site. With the development of science and technology in the lunch site, the Distant Education is playing a more and more important role. It is sure that Distant Test will have a bright prospect in the future. In this paper, The Distant Test System is analyzed and studied in detail.Firstly, the network programming technology based on C/S(Client/Server) and B/S(Browser/Server) architecture is studied, the system design is proposed, which obeys the software engineering standard, and so it is practical, scientific, and feasible.Secondly, all the nine subsystems, including the information distributing service, the question database management, the test paper management, the affairs management of examination, the examination management, the examination paper management, the data transmission, and the invigilating management, are discussed, their flow charts and modules are designed concretely. By studying all the up to date database technology and the characteristics of this system, the design of the core data structure and the key table structure is achieved. In order to guarantee the security and the reliability, the technologies of identification and validating, access control, auditing, data encryption, data backup online and so on, are adopted. Furthermore, we design a special module to load the existing questions to the questions database.Finally, the actual technologies of the computer's automatic making up examination paper, the data compress, the client database and the irreversibility of the examinee's answer are studied, which are key problems of The Distant Test System. Especially, the computer's automatic making up examination paper is the most difficult point in the design of the Question Base Management System, is solved by establishing the question selecting model, which is based on The Least Square algorithm. This model also simplifies the programming and ensures the consistency and adaptability of the question selecting under the same choosing request. Furthermore, this paper improves LZW algorithm, and so increases the network delivery efficiency, enlarges the system's applying scope.hi brief, this paper offers an integrated scientific networking test project under the lunch site's complex network environment, and solves several key problems in actual implementing. Now, great benefit has been achieved after The Distant Test System's test run.