The Research Of Technique Of Chaotic Synchronization And Chaotic Modulation

Chaos has been one of the objects studied in modern scientific research since 1970's. The research on chaos as well as chaotic communication and secret communication is significant and its application will be promising in the coming future. Some theory obtained by people will be related with some fundamental laws in modern science and logic system. Theory about chaos may change the way how we think about things while corresponding technology will change our life in the future. Theory about chaos has effected a change in every aspect of natural science and social science. Chaotic communication and secret communication was born because chaos has found its way in communication. Compared with conventional secret communication system, the security performance of chaotic secret communication system is better and it is more difficult to decode a signal coded with chaotic signal.With the knowledge about corresponding theory and technology organized by pioneers of this field and with the demand of people about the security of communication, this paper has done some primary research on chaotic communition and secret communication.Theory about chaos is the base of chaotic communication and secret communition. Firstly some important concept as well as method in analysis and research was introduced in this paper. Chaotic signal generator is one chaotic system which is the first part of chaotic communication and secret communication system. When we study a chaotic system, we always study its pattern of tract especially all kinds of its chaotic attractors. A multiple supper chaotic attactor has been studied and simulated with Matlab in this paper.The key element of technology in chaotic communication and secret communication is chaotic synchronization and chaotic modulation. Some common scheme about chaotic synchronization and chaotic modulation has been studied in this paper, and the performance of these system has been discussed too. With thedevelopment in technology of digtal circuit and computer, digtal chaotic synchronization and digtal chaotic modulation will be more and more important. Digtal chaotic synchronization and digtal chaotic modulation as well as the discrete chaotic system which digtal chaotic technology relys on was introduced and studied primarily in this paper. At the end of this paper, chaotic coding with discrete chaotic system has been studied.