An Anti-jam Adaptive Algorithm for GPS

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Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Topic: Mobility
Format: PDF
Traditional Space-Time Adaptive Processing (STAP) algorithm not only have a big computation, but also cannot suppress the multiple narrowband jammer and the narrowband jammer which come from the same direction with the useful signal. Focus on these problems, an improved GPS anti-jam MultiStage Nested Wiener Filter (MSNWF) method which combines with multistage IIR lattice notch filter was proposed. The narrow-band jammer can be forecast and suppressed by using IIR lattice notch filter. The amount of computation can be reduced by using the improved MSNWF.
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