No abstract

One of the most common methods to achieve high-range resolution radar is based on the stepped-frequency waveform. In the stepped-frequency radar, if high-range resolution profile (HRRP) is created by means of the inverse discrete Fourier transform, some distortions can be created that result in reducing the detectability of moving targets. A new inverse second-order polynomial time-frequency transform-based algorithm is proposed to compose HRRP. It is shown that this algorithm efficiently compensates the undesirable effects created by the movements of targets in HRRP and improves the detection probability.