ANV-353

Doppler Velocity Sensor

The ANV-353 is a fully digital DVS that provides a continuous and accurate three axes velocity measurement for both fixed- and rotary-wing aircraft applications.

It is a single-unit, low power sensor, specifically designed for integrated systems. The applications of DVS ANV-353 are the following:

  • Source of velocity vector data for Doppler/Heading Navigation
  • Source of velocity vector for approach down to hover and hover for Autopilot
  • Source of velocity vector for ASW sonobuoy control
  • Source of velocity vector data for weapons aiming during NOE attack for anti-tank helicopter
  • Source of velocity vector data for INS/Doppler hybrid navigation
  • Source of velocity vector data for INS in-flight alignment using Doppler

The Doppler Velocity Sensor ANV-353 generates, radiates, and detects microwave energy directed to and backscattered from the surface of the earth providing a self-contained velocity measuring capability using Digital Signal Processing (DSP) algorithms.
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ANV353_LQ_mm08391_
  • Technical Specifications
  • Dimensions: (L x W x H) 365 mm x 437 mm x 60 mm
  • Weight (max): 5.5 kg
  • Velocity range:
    • Vx: -25 m/sec to +125 m/sec
    • Vy: -50 m/sec to +50 m/sec
    • Vz: -25 m/sec to +25 m/sec
  • Linear acceleration:
    • x: ±1 g
    • y: ±1 g
    • z: -1 g to + 3.5 g
  • Altitude range: 0.6 to 7000 m above sea level
  • Accuracy (2 SIGMA):
    • Vx <0.25% Vt+0.1 m/sec
    • Vy <0.25% Vt+0.1 m/sec
    • Vz <0.25% Vt+0.1 m/sec where Vt2 =Vx2 +Vy2 +Vz2
  • Acquisition/tracking:
    • Fully automatic within 2 seconds, no
      warm up required
    • 3 beam tracking capability, continuous validity/reasonableness checking
  • Beam geometry: 4 beams Janus configuration time shared
  • RF power: 50 mW radiated at 13.325 GHz (typical)
  • Modulation: FM/CW optimized for flight envelope
  • Power: 28 VDC, 35 W max
  • Environment: MIL-HDBK-5400, Class 1A, MIL-STD 810E
  • Cooling: Convection, heat sink dissipation

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