METHOD FOR PARAMETRIC RECEPTION OF WAVES OF DIFFERENT PHYSICAL NATURE IN MARINE ENVIRONMENT Russian patent published in 2012 - IPC G10K11/00 G01S15/02 

FIELD: physics.

SUBSTANCE: disclosed is a method for parametric reception of waves of different physical nature in a marine environment, involving generation of elastic pumping waves with measured information signals the medium of the operating zone of nonlinear interaction and parametric transformation. A parametric antenna which scans in the horizontal plane is formed in the coverage area of a receiving antenna. Pumping waves which have interacted with the measured information fields are received in continuous mode, amplified in a parametric transformation frequency band, their time scale is transferred into a high-frequency domain and narrow-band spectra are measured. Parametric components of the lower sideband are selected and recorded, from which, based on parametric and frequency-time conversion of the pumping waves as well as the location of the parametric antenna, characteristics of the measured information fields are restored and measured.

EFFECT: wider probing spatial geometry by facilitating long and super long-distance reception of signals.

3 cl, 3 dwg