| In the face of the deteriorating electromagnetic environment, the concept of Multiple-input multiple-output(MIMO) radar came into being. MIMO radar is multiple-input multiple-output radar, because of anti-intercept ability, flexible layout,anti-interference ability and many other advantages, MIMO radar has received more attention. Due to the many advantages of MIMO radar,which may lead to the mainstream of future warfare, many countries have begun to research on jamming of new system radar. At first, according to the structural characteristics of MIMO system radar, the susceptible weaknesses of MIMO radar are studied. And then, according to weaknesses of MIMO radar, adopting accordant method to jamming MIMO radar with non-complete signal set.The main work of this dissertation is to realize the jamming of MIMO radar with non-complete signal set. At first, the structural characteristics of the new system radar is introduced, and then according to signal processing process of the MIMO radar, the characteristics of weaknesses and non-complete information of distributed MIMO radar are analyzed. According of the structural characteristics of the MIMO radar, the jamming method for non-complete information of distributed MIMO radar is studied,the feasibility of each jamming method is proved by theoretical derivation and simulation results. The main contents of this dissertation are as follows:1. Systemized the structural characteristics and signal processing of distributed MIMO radar, comparison of differences between distributed MIMO radar and co-located MIMO radar, lay a theoretical foundation for the analysis of the weakness of distributed MIMO radar.2. Analysis of the weakness of distributed MIMO radar. For example, long non-coherent accumulation, radar transmit signal power is low, target resolution depends on the orthogonality of transmitting waveform, the receiver needs to integrate data and so on. This part lays the foundation of further study on jamming of MIMO radar.3. Analysis of distributed MIMO radar in the signal modulation type information is not complete case, how to develop effective jamming strategies and the implementation of suitable jamming methods. Studied the jamming method of multi-signal jamming and suppressive jamming, and simulate the jamming effect.4. Analysis of distributed MIMO radar in the signal number information is not complete case, how to develop effective jamming strategies and the implementation of suitable jamming methods. Studied the effects of suppression jamming and deception jamming of partial signal on distributed MIMO radar, proposed a combination of jamming and distance deception jamming and to simulate it.5. Analysis of distributed MIMO radar in the signal frequency, bandwidth and other parameters are not complete case, how to develop effective jamming strategies and the implementation of suitable jamming methods. Studied the phased combined jamming and simulates it. |
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