| With the development of electrical countermeasure, supressing various jammings becomes an important research direction. Especially in DSSS communication system, how to conter jamming with energy out of threshold becomes a challenging problem. A thorough study of anti-jamming technology based on transformation domain signal analysis has been made in this thesis. A novel anti-jamming method based on STFT is given. Countermeasure methods based on signal estimation are used to suppress single frequency jamming. Method of suppressing LFM jamming is discussed. These methods suppress the jamming effectively and improve the performance of the communication systems. |
PDF Full Text Request