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Synchronization is an important problem in the design and development of the software, which has been resolved in the object-oriented programming (OOP). However, the implementation of OOP is easy to leads to code-tangling and code-scattering between functional properties and crosscutting properties. Aspect-oriented programming (AOP) can solve the problem of code-tangling and code-scattering, and provide...
Software reuse technology can improve the efficiency of program development greatly. A reusable Apla-Java component has been developed in the research of PAR (Partition and Recur) method and their tools. We have made the most of reuse-driven software theory and the partial implementation theory for reference which ensure the accuracy of the components effectively. Apla-Java component is an important...
Distributed test framework can not only ensure that the quality of software testing but also can improve the automated test efficiency, and so on. The key technologies of the distributed test framework are studies in this paper. First, the main idea of the distributed test framework and its overall structure are given combined with the actual project needs; based on it, the key technologies involved...
As the core link of off-line reverse analysis, data collecting can be regarded as decryption of encrypted synchronous sequential machine, the key part of which is driving itself from decrypted state to encrypted state by building state transition diagram and using corresponding search strategy. Based on diffusion mechanism, weighted state transition diagram is built, on which single-branch search...
Object-oriented framework is increasingly recognized as an efficient reuse mechanism in software development, but for its intrinsic abstract and complex, it is still difficult to develop for framework designer and instantiate for framework user, this is partly due to the lack of formal framework modeling language guiding the framework developer, user and tool builder. We propose a formal way to model...
Time synchronization is very important for a Time Division Multiple Access (TDMA) Ad Hoc Network. In this paper, we proposed Slot Time Synchronization protocol to synchronize all the nodes in a TDMA network. We compute the receive time from Absolute Slot Number (ASN) and use linear regression to eliminate the clock drift. We have carried out our method in real ad hoc networks and achieved the tolerable...
In SC-FDE (single carrier with frequency domain equalization) systems, the factor which affects the performance of systems seriously is synchronization. Based on the studying of the algorithm of T.Schmidl & D.Cox and H.Minn, a novel timing synchronization method is proposed towards the SC-FDE systems in this paper. The method takes advantage of the correlation of the training symbol what can efficiently...
Government information resource catalog and interchange is becoming a very important domain in IT construction these years. Chinese government has put great attention to this area. This paper outlines specific features and issues of China??s government information resource catalog and exchange. A government information resource and service registry model is presented accordingly, and considerations...
This paper presents the design and implementation of a power system sensor network (PSSN) for wide-area measurement. With the powerful data processing capability of sensor network, it is possible to build a real-time data network, that is more pervasive, more robust, more flexible, and more powerful in data processing, to overcome the shortcomings of current WAMS (wide-area measurement system). The...
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