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Simultaneous Unambiguous Range and Doppler Through Non-Uniform Sampling

Range and Doppler ambiguities cause a variety of problems in radar systems, to the point of causing blind zones that can prevent target detection in some circumstances. Avoiding ambiguities in radar systems is thus desirable, but current approaches to achieving this goal have limitations. An approach to simultaneously achieving unambiguous range and Doppler based on non-uniform bursts is presented. Measurements using a sonar in air in the audio frequency range confirm the potential of this approach to eliminate ambiguities.