BOTTOM CABLE ANTENNA FOR MONITORING OFFSHORE SEISMOACOUSTIC EMISSION Russian patent published in 2015 - IPC G01S7/52 G01V1/38 

FIELD: radio engineering, communication.

SUBSTANCE: bottom cable antenna for monitoring offshore seismoacoustic emission, comprising an underwater cable, hydrophone modules connected by the underwater cable through defined distances between each other, surface collection and conversion equipment connected to one end of the underwater cable, is provided with an anchor which is tied to the opposite end of the underwater cable, additional loads tied to the underwater cable between corresponding hydrophone modules and floating suspensions tied to the underwater cable to corresponding hydrophone modules, wherein the hydrophone modules are in the form of pressure inlets. Use of pressure inlets instead of two hydroacoustic antennae significantly reduces the cost of the bottom antenna and simultaneously solves problems associated with the quality of contact between the sensor and the ground by eliminating noise which accompanies said contact. Use of a large number of said sensors solves the problem of picking up waves of different polarisation based on kinematic characteristics thereof.

EFFECT: high noise-immunity by preventing dragging of the antenna on the ground.

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