DEVICE FOR DETERMINATION OF SEA PLANE HEADING ON SEA SURFACE Russian patent published in 1995 - IPC

FIELD: aeronautical engineering. SUBSTANCE: provision is made for third hydroacoustic radiating beacon 3 and auxiliary angle determination unit 8; eight outputs of relative bearing and basic parameter computer 7 are connected with respective inputs of unit 8; ninth output of unit 7 is connected with first inputs of subtraction unit 32, tenth input is connected with first input of comparison unit 33; eleventh input is connected with second inputs of comparison unit 33, twelfth input is connected with third input of comparison unit 33 whose fourth input is connected to output of subtraction unit 32. Second input of subtraction unit 32 is connected to output of unit 8; first input of adder 34 is connected with first input of comparison unit 33, second input is connected with second output of comparison unit 33 and third input is connected with output of subtraction unit 32. EFFECT: enhanced accuracy of determination of sea plane heading. 3 cl, 3 dwg