Dynamic VEGA

DSIT's SONAR Equipment have established world-class reputations, Based on its advanced development capabilities in both software and hardware, DSIT offers a full set of sonar and acoustic solutions.

Hull Mounted Sonar

Aqua shield

Point shield

Hull Mounted Sonar catalogue >

Active Operation
Parameter	Performance
Sonar Type	911	567
Transmission modes	ODT (Omni Directional Transmit)
	SDT (Directional Transmission, single beam)
	RDT (Rotational Directional Transmission)
	BRDT (Bi-Rotational Directional Transmission)
	MCC - Maintain Close Contact (wide vertical beam width) )
Frequency	9, 10, 11 KHz (user selectable)	5, 6, 7 KHz (user selectable)
Pulse types	CW, LFM , SFM, HFM, Combined CW/LFM
PRI	1. Slave to Range Scale
	2. Slave to Cursor
	3. Variable
Transmit/Receive beam stabilization against Roll & Pitch	Yes
Transmit/Receive beam vertical tilt	Yes, ±10°
Range Scale	1-32 Kyard	1-96 Kyard
No. of automatic trackers	999
Active Audio Frequency	Heterodyned to 1 KHz
Active Audio Modes	Omni, Slave to Tracker, Slave to Cursor
Array Size	65 cm (diameter) / 60 cm (height)	95 cm (diameter) / 100 cm (height)

PASSIVE OPERATION
Parameter	Performance
Sonar type	(Both Sonar Types)
Bandwidth	2000 – 10,000 Hz
Passive Search Detectors	Broadband Energy Detector(BBED)
Passive Search Detectors	Broadband Split Beam Correlator (BBSBC)
Receive beam stabilization against Roll & Pitch	Yes
Receive beam vertical tilt	Yes, ±10°
No. of automatic trackers	999
Audio modes	Omni, slave to cursor, slave to tracker
DEMON frequency band	75, 150, 300 Hz

aqua shield catalogue >

Display Formats
Sonar Data
Tactical Picture on:
>> Aerial photo
>> Satellite Image
>> Nautical Chart
Overlay of Sonar Data on any type of Tactical Picture
Recording & Playback
Several modes of data recording
Playback enable debriefing of special events

Detection Ranges
Diver with open circuit breathing apparatus	1,000m
Diver with closed circuit breathing apparatus	700m
Transmit / Receive Parameters
Source Level (Max)	220 dB re 1μPa @ 1 meter
Center Frequency	60KHz, 80KHz
Transmission Modes	CW and LFM
Pulse Width	1- 40 ms
Range Accuracy	better than 0.5 meter
Bearing Accuracy	0.1°
Transmit Array	40 cm
Receive Array X 3	125 cm

Built In Test (BIT)
Constant monitoring of all modules
Automatic alert in case of failure

pointshield catalogue >

The Underwater Unit
Weight and dimension of Underwater unit:
Diameter	450mm
Height	710mm
Weight in air	<45Kg

Display Formamts
Sonar Data
Tactical Pictures on aerial photo, satellite image or nauticla chart
Overlay of sonar data on an type of tactical picture
Special Processing Algorithms
Performance Optimization
Bearing Interpolation
Adaptive TVG
Two Dimensional Normalization
Adaptive Threshold
Automatic Detection
Automatic Tracking
Automatic Classification
False Alarm reduction
Automatic Alert
Automatic Elimination of Wakes
Static Target Suppression
Recording & Playback
Several modes of data recording and playback enable debriefing of special events
Built In Test (BIT)
Constant monitoring of all modules
Automatic alert in case of failure

Nominal Detection Ranges
Diver with closed circuit breathing apparatus	500m
Diver with open circuit breathing apparatus	700m
Transmit / Receive Parameters
Source Level	210 dB re 1μPa @ 1meter
Frequency	70KHz
Bandwidth	20KHz
Sector coverage	360°
Range Accuracy	0.3m
Bearing Accuracy	0.4°
Range scale	Operator selectable