DEVICE FOR DETERMINING DIRECTION TO SIGNAL SOURCE Russian patent published in 2013 - IPC G01S5/04 G01V1/16 

FIELD: measurement equipment.

SUBSTANCE: device for determining direction to a signal source includes the first band-rejection filter and low-pass filter, the second band-rejection filter and low-pass filter, the third band-rejection filter and low-pass filter, the first, the second and the third amplifiers, the first, the second and the third analogue-to-digital converters (ADC), the first, the second and the third signal receivers, a personal electronic calculating machine (PECM or a microprocessor), the first and the second calibrators; it also includes a clock generator, a delay line, an adder, a frequency synthesiser, the first AND circuit, the first register, the second AND circuit, the second register, the first mixer, the first narrow-band filter, the second mixer, the second narrow-band filter, the third mixer, the third narrow-band filter, an antenna unit of the common timing system, a synchroniser, a unit for communication to subscribers, the third calibrator, the third AND circuit, the first synchronous detector, the second synchronous detector, a limiter, a phase shifter, a detector, the first controlled filter, the second controlled filter, the fourth amplifier, the fourth ADC, the third controlled filter, the fourth controlled filter, the fifth amplifier, the fifth ADC, the fifth controlled filter, the sixth controlled filter, the sixth amplifier, the sixth ADC, the first, the second, the third, the fourth, the fifth and the sixth switches, as well as a counter, which are connected to each other in a certain way.

EFFECT: reduction of interference at recording of useful short-time signals by means of preliminary search and rejection of frequencies of interference sources.

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