Английская Википедия:AN/SPS-49

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Шаблон:Short description Шаблон:Infobox radar The AN/SPS-49 is a United States Navy two-dimensional, long range air search radar built by Raytheon that can provide contact bearing and range. It is a primary air-search radar for numerous ships in the U.S. fleet and in Spain, Poland, Taiwan aboard Шаблон:Sclasss, Canada on its Шаблон:Sclass (prior to FELEX mid-life upgrade) and New Zealand on its Шаблон:Sclasss. It formerly served in a complementary role aboard Aegis cruisers with the AN/SPY-1 but the systems are currently being removed during routine upgrade with no replacement.

Operation

First tested in 1965 aboard Шаблон:USS and introduced in 1975, the AN/SPS-49 operates in the 851–942 MHz, or L-, band and has a range of Шаблон:Convert. The orange-peel parabolic shape of the antenna creates a narrow 3.3°-beam to reduce the probability of detection or jamming. It can rotate at 6 rpm in long range mode or 12 rpm in short-range mode.[1] Default is at 12 rpm for the AN/SPS-49A(V)1, to provide more frequent scans against incoming missiles. The SPS-49A(V)1 can detect out to its full range at either 6 or 12 rpm. The antenna is stabilised to compensate for ships pitch and roll, to a maximum of +/-15° for both pitch and roll in 12 rpm mode, and +/-23.5° for both pitch and roll in 6 rpm mode. The output stage of the transmitter in all variants uses a two-cavity klystron amplifier.

Файл:Combat systems of the FFG-7 class.png
The AN/SPS-49 is part of the combat systems of the Oliver Hazard Perry-class frigate.

In 1998, the Inspector General of the Department of Defense reported that SPS-40 and SPS-49 radars in Bahrain were "unusable because the equipment operates on a frequency that interferes with the Bahrain telecommunications services".[2]

On board ships

Шаблон:Flagicon United States

Шаблон:Flagicon Italy

Шаблон:Flagicon Australia

Шаблон:Flagicon Canada

Шаблон:Flagicon New Zealand

Файл:SPS-49(V)8 ANZ.jpg
Antenna of an AN/SPS-49(V)8 ANZ radar system on a Royal Australian Navy ANZAC class frigate. The AS-177B/UPX antenna fitted to the rear of the reflector functions as a back-fill radiator for the AS-4328/U IFF interrogator antenna.

Шаблон:Flagicon South Korea

Variants

As of 2014, there are eleven configurations of the AN/SPS-49(V).

  • AN/SPS-49(V)1: Baseline radar (Various CVN, LHA, LSD and other ships)
  • AN/SPS-49(V)2: (V)1 radar without the coherent side lobe cancellation feature (Шаблон:Sclasss)
  • AN/SPS-49(V)3: (V)1 radar with the radar video processor (RVP) interface (FC-1) (Шаблон:USS)
  • AN/SPS-49(V)4: (V)2 with the RVP interface (Шаблон:Sclasss)
  • AN/SPS-49(V)5: (V)1 with automatic target detection (ATD) (New Threat Upgrade (NTU) ships)
  • AN/SPS-49(V)6: (V)3 system with double shielded cables and a modified cooling system (Шаблон:USS)
  • AN/SPS-49(V)7: (V)5 system with a (V)6 cooling system (Aegis combat system)
  • AN/SPS-49(V)8: (V)5 system enhanced to include the AEGIS Tracker modification kit (Aegis combat system)
  • AN/SPS-49(V)8 ANZ: (V)8 system modified to interface with the CelsiusTech 9LV-453 combat system (Шаблон:Sclasss)
  • AN/SPS-49(V)9: (V)5 with medium PRF upgrade (MPU)
  • AN/SPS-49A(V)1: Developed in the mid-1990s. Added radial speed determination on each target, each scan. Improved clutter rejection

See also

References

Шаблон:Reflist

External links

Шаблон:Raytheon

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  1. ↑ Шаблон:Cite web
  2. ↑ Шаблон:Cite news
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