METHOD OF PROCESSING INFORMATION IN HYDROACOUSTIC ANTENNA Russian patent published in 2013 - IPC G01S15/00 

FIELD: physics.

SUBSTANCE: disclosed is a method of reducing the structural component of interference in the signal of a hydroacoustic receiver, rigidly mounted on an antenna chassis, having a three-component accelerometer rigidly mounted on the chassis. Receiver and accelerometer signals undergo Fourier transformation. Further, at each i-th step, a spectrum of the output signal of the hydroacoustic antenna is formed with a compensated vibration component using the formula: ξ_i=y_i-k,z_i, where ξ_i is the i-th spectral reading of the compensated spectrum of the operating frequency range of the hydroacoustic sensor, and y_i is the spectral reading of the spectrum of the output signal of the hydroacoustic receiver. Compensation is performed according to two schemes: based on the signal from one accelerometer output, characterised by the highest signal power, and based on signals from all accelerometer outputs.

EFFECT: reduced effect of vibrations of the chassis of the carrier on output signals of hydroacoustic receivers and fewer requirements for vibration insulation.

3 cl, 2 dwg