Polynomial Rotation-Polynomial Fourier Transform of Ultrafast Maneuvering Targets Detection

摘要

For coherent integration detection of ultrafast maneuvering targets with modern radar, a novel long-time coherentintegration algorithm, Polynomial Rotation-Polynomial Fourier Transform (PRPFT), is proposed to compensate acrossrange unit range walk (RW) and Doppler frequency migration (DFM) simultaneously caused by super-high speed andstrong maneuvering. First, RW can be corrected by the polynomial rotation transform (PRT) via rotating the coordinatelocations of echo data. Then, the polynomial Fourier transform (PFT) can realize the compensation of DFM and coherentintegration. To reduce the computational complexity, one decision method is proposed to search the multidimensionalparameter space. Finally, numerical experiments are provided to validate the effectiveness of the proposed method.