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Acoustic Surveillance Unit (ASU)
Download ASU Fact Sheet
 |
Features:
- Integrated acoustic sending and signal processing
- Custom Application Specific Integrated Circuits (ASIC) for passive acoustic vehicle direction and localization
- Wake-up sub-system for ultra low-power consumption
- Contact reports or analog outputs available
- Acoustic Horn design maximizes aperture and reduces wind noise
- waterproof sensor capabilities
|
| This versatile and affordable
design of SSC's compact acoustic sensor may be adapted to meet multiple
customer specifications, including FPGA and DSP implementations. |
Benefits:
- Covert, long endurance UGS with no moving parts for increased reliability
- Ready for vehicle-mounted or ground application
- Affordable
- Bearing accuracy capability to within 5 degrees at frequencies above 100 Hz
- Rugged for vehicle and/or ground applications
- Compact size (11 cm diameter)
- Low Wind Noise
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|
Power Budget |
 |
|
Function |
Component |
|
Wake-Up
Subsystem |
Microphone and
Amplifier
Wake-Up Chip
Clock/
Microcontroller |
|
Total Wake-Up
Power |
0.35 mW |
|
|
|
|
Bearing
Estimator Subsystem |
Microphone and
Amplifier
Microcontroller
Bearing
Estimator Chip |
|
Total Bearing
Estimation Power |
3.24 mW |
|
|
|
|
Power Source |
4 AA Batteries |
|
Life @10% Duty
Cycle |
1.9 years |
|
Life @1%Duty
Cycle |
3.2 years |
Download ASU Fact
Sheet
|