The Research Of Radar Seeker Method Anti-jamming

As the electromagnetic environment of the modern war has become more and more complex,the operational capability of radars in the complex electromagnetic environment has become thekey indexes to weigh the performance of radars. Moreover, to meet the need of modern war, theanti-jamming capability of radar seeker should be improved immediately. In addition, thetraditional anti－jamming technology can be only used in the conventional electromagneticenvironment because the anti-jamming ability is too narrow to cope with the jamming that haspertinence and clear target. With the development of jamming technology, the anti-jammingmethods have been forced to improve; furthermore, since the Second World War, the advancedtheories of all the fields have been widely used in the anti-jamming technology. The research targetof this paper is active-passive multimode radar seeker. Moreover, The paper discusses how to resistthe main type of jamming pattern that active-passive multimode radar seeker facing, and prove thevalidity of the key anti-jamming measures of the proposed scheme that discussed in the paperthrough simulation skills.This paper designed and implemented a program to cope with the active and passive jamming,and it combines the channel circuit design, the signal-to noise gain design, test method, algorithmdesign and data processing skills; at the same time, in order to prove the validity of the algorithm, agreat deal of experimental data is used for the relative analysis. Especially aimed at theanti-jamming measure to resist the noise jamming and the chaff jamming that are used most widely,system gradually resistance and local signal characteristics identification method of resistance areoffered as solutions. Finally, this paper describes the two problems that will meet in thedevelopment of this system, and proposes the effective measures to solve these problems. With thisset of measures, radar seekers can obviously improve the anti-jamming ability to achieve theexpected effect in the real work.This paper introduces the practical significance of this research and the implementationframework of the proposed system; furthermore, this paper sets out the methods to resist the activeand passive jamming, and the expected effects of these anti-jamming measures in the followingchapters separately. Finally, the possible problems that may encounter are discussed at the end ofthis paper.