DEVICE FOR DETERMINING PELENG AND DISTANCE TO SOURCE OF SIGNALS Russian patent published in 2017 - IPC G01S3/782 G01S3/802 G01S5/22 G01V11/00 

FIELD: measuring equipment.

SUBSTANCE: device for determining the bearing and range to the signal source, comprising a first antenna, a first and a second microbarometer, and five analog-to-digital converters (ADCs) connected to a personal computer (PC), further comprising a unit of a single time system and a unit communication with subscribers connected to a PC, a first amplifier, a first filter, a second amplifier, a first threshold block and an OR circuit, a series-connected second antenna, a third amplifier, a fourth filter, a fourth amplifier and a second threshold block, a third antenna connected in series, a fifth amplifier, a third filter, a sixth amplifier and a third threshold block, a series-connected seventh amplifier, a fourth filter, an eighth amplifier, a fifth filter, a fourth threshold block and a first AND circuit, a first digital-to-analog converter (DAC) and a first calibrator connected in series, a second DAC and a second calibrator connected in series, a third DAC and a third calibrator connected in series, followed by a fourth DAC and a fourth calibrator, fifth DAC and first amplifier, sixth DAC and first amplifier, respectively, a first and second circuitry connected in series, serially connected seventh and fifth DACs calibrator series connected eighth DAC and the third generator connected in series a second timer, a fourth AND gate and a second counter, and also the first clock generator connected to the second inputs of the second and fourth AND circuits, the third and fourth timers, the first analogue first quadrator, the adder, the first divider, the sixth threshold block and the fifth AND circuit, connected in series with the eighth DAC and the third driver, the second timer, the fourth AND circuit and the second counter connected in series, as well as the first clock connected to the second inputs of the second and fourth AND circuits, the third and fourth timers connected in series with the first quad, divider, sixth threshold block and fifth AND circuit, the fifth timer connected in series, the sixth AND circuit and the third counter, and the sixth ADC, the second clock generator connected to the second input of the pole the circuit AND, and the analogue second and third quadrants connected to the inputs respectively to the second and third filters, and the outputs connected respectively to the second input of the adder and to the second input of the first divider, the second divider connected in series, the nonlinearity corrector, the first calculation unit module, subtraction unit, second module calculation unit, seventh threshold block and inverse input of the seventh AND circuit, sequentially connected key, a memory and a third module calculating unit connected to the second input of the subtracting unit, a serially connected eighth AND circuit in series, and a monostable connected to the control input of the key, as well as a seventh ADC and a character comparison unit connected by inputs to the nonlinearity corrector and to the storage device, and the output connected to the second input of the seventh circuit AND. And the first, second and third antennas are made of magnetic and placed mutually perpendicular to each other, the first, second the first, second, third, fourth, fifth, sixth and seventh threshold blocks are made with a threshold control, the first, second, third and third thresholds are made in the form of a smoothing link with a power amplifier, the nonlinearity corrector is designed as an amplifier with automatic gain control, the fourth, fifth, sixth and seventh filters are configured with bandwidth control, the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth and tenth amplifiers are phase-controlled and responsive, the first, second, third, fourth and fifth timers are configured to control the duration of the output signal, the first, second and third units of the module calculation are in the form of inverse amplifiers with diodes to convert signals of any polarity to signals of positive polarity, the first AND circuit is connected to the second input. The first timer, the third input is connected to the third timer, And the output is connected to the input of the stop of the first counter, the third circuit AND is connected by the second input to the second timer, the third input is connected to the fourth timer, and the output is connected to the stop input of the second counter, the fifth circuit AND is connected by the second input to the fifth timer, and the output is connected to the input stopping of the third counter, the sixth ADC is connected to the output of the first divider, and the output is connected to the PC, the seventh ADC is connected to the output of the nonlinearity corrector, and the output is connected to the PC, the OR circuit is connected to the second and third respectively, to the second and third threshold blocks, and the output is connected to the PC and to the first, second and fifth timers, the first quadrate is connected to the output of the first filter, the first antenna is connected to the first amplifier, the first microbarometer is connected to the output of the seventh amplifier, and the input is acoustically connected to the fourth calibrator, the second microbarometer is connected to the ninth amplifier, and the input is acoustically connected to the fifth calibrator, the first shaper is connected to the control inputs of the first, second and third on the filters, the second shaper is connected to the control inputs of the fourth and fifth filters, the third driver is connected to the control inputs of the sixth and seventh filters, the inputs of the first, second, third, fourth and fifth ADCs are connected respectively to the first, second, third, fourth and sixth filters, the outputs of the first, second and third calibrators are connected, respectively, first, second and third antennas, the eighth AND circuit is connected by the first input to the OR circuit, and the inverse input is connected to the fifth timer, the second divider is connected to the first and second filters by the inputs, the key input is connected to the Neli corrector. The output of the seventh AND circuit is connected to the third input of the fifth AND circuit, and the inputs of all DACs, the control inputs of all amplifiers, the control inputs of all threshold blocks, the outputs of the first, second and third counters, the outputs and control inputs of the first, second and fifth timers, and also the start inputs and control inputs of the third and fourth timers are connected to the PC.

EFFECT: reducing inaccuracies when used at a single-point surveillance station or on a vehicle and increase the noise immunity of the device in the presence of interfering signals coming from other azimuths.

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