Antennas for the Navigation Systems

SNC300A-DGI Optical Fiber Integrated Navigation System

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Description
Product overview
SNC300A-DGI is based on cost-effective closed-loop fiber optic gyroscope, accelerometer and high-end GNSS receiving board. It is realized through multi-sensor fusion and navigation solution algorithm to meet the requirements for accurate measurement of attitude, heading and position in application fields such as medium and high-precision mobile measurement system and large UAV.

1. Product features
It has the function of shaking base / moving base alignment
GNSS / odometer / DVL and other multi information fusion integrated navigation
High reliability, suitable for strong vibration and large impact environment
Support users to customize on demand

2. Main application fields
Inertial navigation system of large UAV
Marine compass
underwater vehicle 
High precision mobile measurement
Intelligent mining machinery
High precision stable leveling

3. system performance
 
Parameter Technical index
Positional accuracy Single-point(RMS) 1.2m
  RTK(RMS) 2cm+1ppm
  Post-processing
(RMS)
1cm+1ppm
  Loss of lock precision (CEP) 3nm(30min)
10nm(1h)
1.5nm(30min)
5nm(1h)②
Course(RMS) Single antenna 0.05°③
    0.03°(Post-processing)
  Double antenna 0.1°(Base line≥2m)
  Lockout maintains accuracy 0.25°(losing lock 30min)
0.5°(losing lock 1h)
0.1°(losing lock 30min)
0.2°(losing lock 1h)④
  Self north finding accuracy 1°SecL,Alignment15min 0.5°SecL, Alignment15min
Posture(RMS) Single antenna 0.02°
  Double antenna 0.02°
  Post-processing 0.01°
  Lockout maintains accuracy 0.25°(losing lock 30min)
0.5°(losing lock 1h)
0.1°(losing lock 30min)
0.2°(losing lock 1h)②
Horizontal velocity accuracy(RMS) 0.05m/s
Timing accuracy 20ns
Select Data Output Frequency 200Hz
Gyroscope Range 400°/s
  zero-bias stability 0.3°/h⑤; 0.05°/h⑤
  Scale factor
degree of nonlinearity
100ppm
  Angle Random Walk 0.05°/√hr
Accelerometer Range 16g
  Zero-bias stability 50ug⑤
  Scale factor
Degree of nonlinearity
100ppm
  Velocity random walk 0.01m/s/√hr
Physical dimensions and
electrical characteristics
Boundary dimension 139 mm×136.5 mm×101mm
  Weight <2.7kg(Does not contain cable)
  Input voltage 12~36VDC
  Power dissipation <24W(steady state)
  Storage Reserved
Environmental index Working Temperature -40℃~+60℃
  Storage Temperature -45℃~+70℃
  Random Vibration 6.06g,20Hz~2000Hz
  MTBF 30000h
Characteristics of interfaces PPS、EVENT、RS232、RS422、CAN(选配)
  Antenna Interface
  Wheel speed sensor interface
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