Авіаційна протирадіолокаційна ракетна система "Гюрза"

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AIRBORNE ANTI-RADAR MISSILE SYSTEM
ANTI-RADAR MISSILE SYSTEM (ARMS) is designed to perform the fire damage of air defense system radar station without aircraft entry into the engagement zone of ground-based and sea-based surface-to-air missile system (SAMS) and antiaircraft artillery system (AA system):

•S-125 (S-125 Neva, S-125М Neva-M, S-125М1 Neva-М1, S-125-2М Pechora-2М);

•S-200 (S-200 Angara, S-200V Vega, S-200М Vega-M, S-200D Dubna);

•S-300 (S-300PТ, S-300PS, S-300V, S-300PMU, S-300PТ-1, S-300PТ-1А);

•2К12Е Kvadrat, 2К12М Kub-М, 2К12М1 Cub-М1, 2К12М3 Kub-М3,

2К12М3S Kub-М3S, 2К12М3А Kub-М3А, 2К12М4 Cub-М4, 9К37М1 Buk-М1,

9К37М1-2 Buk-М1-2, 9К317 Buk-М2, 9К317М Buk-М3, 9К33М2 Osa-АК,

9К33М3 Osa-АКМ, 9К33-1Т Osa-1Т;

•Krug (2К11А Krug-А, 2К11М Krug-М, 2К11М1 Krug-М1);

•Tor (9К331 Tor-М1, Tor-М1-ТА, Тоr-М1-B, Тоr-М1-ТS, Тоr-М1-2U, 9К332 Тоr-М2);

•MIM-14 Nike Hercules;

•MIM-23 Hawk (MIM-23A..M);

•MIM-104 Patriot (MIM-104A, MIM-104B (PAC-1); MIM-104C (PAC-2); MIM-104D (PAC-2/GEM); MIM-104F (PAC-3)).

ARMS PROVIDES:

•electronic intelligence in the operating bandwidth along the flight route;

•selected radar target (RT) direction finding;

•RT slant range calculation;

•passive radar homing head (PRHH) target designation;

•PRHH target selection by carrier frequency and recurrence interval in a spatial gate as well as selected RT auto-tracking;

•PRHH control signals generation to missile control system before RT engagement.


ARMS operation description

The Gurza anti-radar missile system consists of radio electronic and aircraft systems designed for search and of received information, current radar situation is displayed to the crew and automatic direction finder control commands for direcdestruction of hostile SAMS and AA systems.

“Osina” electronic intelligence system performs active search of hostile radio electronic equipment (REE) and frequency band continuous analysis, in a wide angle sector around the aircraft. In case of detecting hostile REE, radio signals parameters are analyzed, direction of REE is determined, classification and priority selection are effected with data report displayed in the cockpit.

Electronic intelligence system includes: instantaneous frequency finding receiver and super heterodyne receiver (located in a multichannel digital receiver unit), signal processor, signal identification processor, antennae. First channel provides operation in front hemisphere and the second – in rear hemisphere.

By applying multi channel digital receiver, frequency band continuous scanning with 1 GHz frequency bandwidth instantaneous analysis is carried out. At the phase of analysis, the instantaneous frequency bandwidth goes through multichannel analog-to-digital conversion as well as spectral analysis for REE threat and type definition. On the basis tion finding and RT range calculation are generated.

After target selection, data is transmitted to “Olkha” radar direction finder. “Olkha” consists of the phase direction finder based on the wide frequency band antennae system, which provides required accuracy for RT bearing. Aircraft maneuvering provides accurate range measurements and direction finding, anti-radar missile launch zone definition and target designation transmission to missile PRHH.

Pilot performs missile launching after entry into launch zone. RT engagement is confirmed by termination of REE emission registration by “Osina” electronic intelligence system.

ARMS PROVIDES:

1. Kh-58UM anti-radar missile equipped with improved PRGS-58R passive radar homing head or new concept PRHH;

2. AKU-58-1aircraft missile launcher;

3. Missile control unit;

4. “Osina” electronic intelligence system:

•receiving antenna-feeder device – 4 pcs. (provides emission receiving from external radio-electronic equipment with subsequent rough bearing measurement to radar source in front and rear hemispheres o aircraft);

•multichannel digital receiver – 2 pcs. (designed for wide range receiving of external radio-electronic equipment UHF signals);

•signal and identification processor – 1 pc. (designed for definition of amplitude-frequency characteristics, electronic environment survey, incoming data conversion and filtering);

•memory device – 1 pc. (performs recording and registration of alterations in electronic environment around an aircraft);

•power supply unit – 1 pc.

5. “Olkha” radar direction finder with PRHH target designation equipment:

•direction finding antennae (right and left) - 2 pcs. (provides emission receiving from external radio-electronic equipment with subsequent accurate bearing measurement to radar source in front hemisphere of an aircraft);

•phase direction finder unit – 1 pc. (designed for accurate bearing measurement to hostile radar applying interferometer antenna system of direction finder antenna unit);

•target designation unit – 2 pcs. (designed for targeting data generation for Kh-58UM missile);

6. Control panel with multifunctional display (designed for systems control);

* It is also possible to connect the ASP-BTs-8 digital computer to ARMS, if the ASP-BTs-8 is included into on-board equipment.

ARMS open architecture modular structure provides an opportunity to increase capabilities of the complex depending on aircraft type and customer requirements.

“OSINA” electronic intelligence system basic specifications


“OLKHA” automatic direction finder basic specifications


The PRGS-58R main performance characteristic