DEVICE FOR MEASURING PARAMETERS OF ANTENNA PATTERN OF ANTENNAE Russian patent published in 2020 - IPC G01R29/10 

FIELD: antenna equipment.

SUBSTANCE: invention relates to antenna engineering for measurement of parameters of antenna patterns (AP) of ground location. In AP parameters measuring device, comprising series-connected analyzed antenna, phase shifter, wave tee, measuring receiver, digitizing unit and processing and control device, 4th, 5th and 6th inputs of which are respectively connected to three outputs of the interfacing unit, which input is the guidance and tracking device output, series-connected first shaft-code sensor, 1st servo drive and rotating table of azimuth rotation of analyzed antenna, mechanically connected to horizontal axis of rotation of analyzed antenna and 1st sensor shaft-code, series-connected second shaft code sensor, 2nd servo drive and rotary table of elevation inclination of analyzed antenna, mechanically connected with elevation axis of rotation of analyzed antenna and 2nd sensor shaft-code, synchronizer, 4th output connected to input of transmitting device, which output is input of analyzed antenna, connected via radio channel with auxiliary antenna, and 1st, 2nd and 3rd outputs - with 2nd inputs of measuring receiver, digitizing unit and processing and control device, respectively, 1st output of which is connected to 2nd input of phase shifter, 2nd output is connected to 2nd input of 1st servo drive, 3rd output - to 2nd input of 2nd servo drive, and 3rd and 7th inputs, respectively, to 2nd outputs of 1st and 2nd servo drives, as well as comprising synchronization signal transmission device, connected via radio channel with synchronization signal receiving device in series connected to gates shaper, 1st output of which is connected to 1st input of electronic switch, 2nd output is connected to 1st input of meter, and 3rd output is with signal generator input, and electronic switch 1st output is connected to 2nd input of the meter, and the second output is connected to the input of the auxiliary antenna, the output of which is its 3rd input, additionally connected in series connected trigger, first input of which is connected to synchronizer 4th output, and 2nd input - with 2nd output of digitization circuit, pulse shaper and "OR" circuit, which 2nd input is connected to synchronizer 4th output, and output to synchronization signal transmission device, as well as series-connected clock pulse generator, key, to the second input of which is connected 4th gate of the measurement gate generator, counter, to the second input of which is connected the third output of the gates shaper, and a power amplifier, the second input of which is connected to the output of the signal generator, and the output is connected to the second input of the electronic switch.

EFFECT: high accuracy of measuring AP parameters owing to synchronization of operation of measuring devices and devices of measurement signal sources in time domain and minimization of spatial mismatch of main lobes of AP of auxiliary antenna and analyzed antenna in considered time cycle of measurement.

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