Type 381 Radar

Type 381
Type 381 radar deployed on Luhai-class DDG.
Photo taken at IMDEX 2003.
Country of origin People's Republic of China
Introduced unknown
No. built unknown
Type 3D Air Search
Frequency C band
Range 100 kilometres (62 mi)
Altitude 8000 m
Diameter unknown
Azimuth unknown
Elevation unknown
Precision unknown
Power 150 kW
Other Names Sea 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

  • 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

External references

References

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