Type 381 Radar

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Type 381
Type 381 1.jpg
Type 381 radar deployed on Luhai-class DDG.
Photo taken at IMDEX 2003.
Country of originPeople's Republic of China
Introducedunknown
No. builtunknown
Type3D Air Search
FrequencyC band
Range100 kilometres (62 mi)
Altitude8000 m
Diameterunknown
Azimuthunknown
Elevationunknown
Precisionunknown
Power150 kW
Other NamesSea Eagle, RICE SHIELD, RICE SCREEN

The Type 381 was one of the first Chinese naval 3D search radar employing FRESCAN (Frequency Scanning) technique. Initial versions were deployed on Jiangdong class FFG and Luda command variant class to provide long range surface search. It bears resemblance to the Russian radar Fregat.


Specifications[edit]

  • Beam: 2.7° × 1.4°
  • Peak power: 150 kW
  • Pulse width: (original, 40), (Type A, 20), compressed to 1 microsecond
  • PRF: (original, 370), (Type A, 730) average power of 2.2 kW
  • Scan rate: 5 rpm
  • Other features:
    • Claimed able to track 10 targets simultaneously.
    • Uses TWT+CFA coherent chain transmitter
    • Reception is coherent with MTI improvement factor of 30 dBm
    • Uses serpentine/waveguide

See also[edit]

External references[edit]

References[edit]