5. Conclusion

This article deals with signal processing processes applied to the detection of low-altitude targets in the clutter, their principles, the resulting reception techniques and their performance criteria.

It describes the phenomena involved, quantifies them on the basis of theoretical analysis, and presents the reception procedures for each case.

Since it doesn't refer to any particular technology, its results can be considered long-lasting.

However, it is thanks to the evolution of technology that these signal reception processes have been able to move beyond the theoretical stage and lead to concrete realizations:

• The implementation of digital signal processing with VCM and pulse doppler filters has made current operational applications possible;

• ...