Non-uniform PRI pulse-Doppler radar

Nonuniform pulse repetition interval (PRI) pulse-Doppler waveforms are processed by replacing the fast Fourier transform algorithm in standard pulse-Doppler processors with a more general discrete Fourier transform. Clutter rejection is a problem because the well-understood techniques of amplitude windowing are not available. However, processing weights with controllable properties can be synthesized by other means. Several applications most amenable to the strengths and limitations of nonuniform PRI waveforms are described.