Study On Pulse Characteristic Analysis And Separation Technology Of Radar

During the first world war,scientists of all countries invented the remote detecting aircraft instrumentation in order to resist the foreign enemies,which were the original radar prototype we found. With the development of the radar function in modern warfare, the interference and anti interference of radar has been constantly developed and competed,and it played a role of Hawkeye that one can imagine the importance. With the development of the study of radar,the electronic jamming technology got more attentions. The electronic intelligence reconnaissance system and electronic support system has become the two important functions of separated and recognized the radar signal. The current research trends of radar anti-jamming technology are mainly focused on the electronic anti interference technology and radar pulse characteristics, which is played a very important role in the Modern Warfare technology. Therefore,the analysis on characteristics of radar pulse and separation technology research is very meaningful.Times goes by, modern electronic of anti-jamming technology have been increasingly developed in the last 10 years.This paper is combined with our practical work,Through the constantly researched and mastered of the civil aviation radar working mechanism,made it become more complex and diverse This paper emphasized how to separate the information of the radar emitter and get the accurate parameters.Due to the environment of fierce confrontation in the modern electronic, with the increasingly progress of the electronic technology makes a dense,complex and changing signal, which bring out millions of pulses per second in signal intensity reaches. Meanwhile,the new radar system is joining the civil aviation communication system.It require us to strengthen and improve the ability of radar anti-jamming technology and then we have the opportunity to survive in the Modern Warfare. Certainly in this circumstances made a higher challenge for the requirement of the radar signal sorting technology. So in terms of civil aviation communication system currently,one of the extremely important technology for us is higher precision technology of radar pulse characteristics analysis and sorting of technical analysis that we need to focused and studied.The following sections is the main contents of this paper includes :1.Described the important role of radar pulse signal sorting in an electronic environment and the current situation of radar signal sorting at domestic and overseas,and simply introduce the radar signal characteristic parameters.2.Described and studied several methods to analyzed the main pulse radar signals within veins fine features.3. Researched several algorithms based on major PRI PRF radar signal sorting.They include PRI transform method, the benchmark. algorithms, dynamic correlation method, histogram algorithm(SDIF and CDIF), sequence retrieval and sorting methods based on internal characteristics of pulse radar signals. By analyzing the advantages and disadvantages of these types of algorithms to obtain a better algorithm.4. The specific identification method is mainly through radiation pulse signals and discuss the type of several radar pulse features and compared its feature. Compare through the time domain analysis of instantaneous autocorrelation method and modulation domain zero crossing detection,then give a parallel processing scheme.The research shows that the parallel processing scheme can improve the accuracy of signal analysis within a certain scope.5. Demonstrate a comprehensive method of radar signal sorting and combine with our system to mainly focus an discuss the generation of radar signal pulse flow separation receiving algorithm.The following is about two separation methods,one is aimed at radar signal pulse flow.Another is for its algorithm.The simulation results shows that based on sequence difference histogram method modified PRI transform method combining comprehensive sorting method in pulse missing or in the case of pulse jitter,both has the good separation effects.