WAVEFORM MANAGEMENT PROCESS WITH DOPPLER ILLUSTRATION BY STATISTICAL SEGMENTATION

摘要

The invention concerns the field of electromagnetic detection of targets or objects, and in particular radar detection. The inventive method provides a solution to the problem posed by the variation of the clutter Doppler spectrum present in the space covered by the detection system, said clutter Doppler spectrum which may in certain cases mask the Doppler spectrum of a detected and tracked mobile target. Therefor, the inventive method comprises at least the following steps: a step (32, 33, 34) which consists in processing the signal enabling targets of interest to be detected and tracked; a step (35) which consists in a Doppler mapping of the clutter zones present in the space covered by the detection system; a step (36) of adaptive management of the waveforms. The step of determining a Doppler mapping of the clutter zones is performed by implementing an iterative SEM-type statistical segmentation algorithm applied to the I and Q components of the received signal. The data derived from the processing and tracking steps and those derived from the Doppler mapping are combined to perform the adaptive management of the waveforms to be emitted.