Multibeam Echosounders

3DSS-iDX

Integrated Shallow Water Mapping/Imaging System

The 3DSS-iDX utilizes state-of-the-art acoustic transducer array technologies, SoftSonar(TM) electronics, and advanced signal processing techniques to produce superior swath bathymetry and 3D side-scan imagery in a compact survey package. The 3DSS-iDX is a complete hydrographic/3D imaging sonar and INS for portable, turnkey, survey applications.

Ping DSP

North Saanich, CA

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Description

3DSS-iDX incorporates a patented signal processing methodology that extends the single angle-of-arrival principle used in interferometric systems to accommodate multiple simultaneous backscatter arrivals (e.g. the seabed, sea surface, water-column, and multipath). The result is superior wide swath bathymetry and true 3D sidescan imaging and from a compact, easy-to-use sonar.

The iDX-450 integrates SVT and MRU sensors into the sonar head and a dual receiver GNSS into the advanced Sonar Interface Unit (SIU) to form a turnkey Sonar/INS system for high accuracy shallow water surveying. The 3DSS-iDX sonar can be used standalone or together with an external MRU, GNSS or INS sensor on a fully equipped survey launch or USV / ASV.

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Specifications

Physical properties of transducer head: Length [m]

0.57

Width [m]

0.099

Height [m]

0.099

Min. external power [V]

12

Max. external power [V]

28

Max. power consumption [W]

25

Weight in Air

8.5 kg

Weight in Water

5 kg

Speed of sound: Real-time correction of refraction at transducer head

Y

Real-time integration of SV-profile

Y

Explanation of SV-profile application process

AML MicroX at sonar head for real-time collection. Data accommodated in post processing.

Interfaces: Compatible software

Ping DSP Inc Sidescan3D(TM) Real-time display software. Hypack, Caris HIPS/SIPS, SonarWiz, QINSy, PDS2000. 3rd party software integration continuously expanding.

Compatible hardware

Internal SBG Ellipse2-E. Optional GPS interface and compatible with most GPS and DGPS instruments (with or without PPS time synchronization). Optional MRU interface and compatible with most MRU and IMU instruments.

Real-time access procedure

Ethernet TCP supporting multiple clients.

Motion compensation: Motion sensors compatible to the system

Internal SBG Ellipse2-E. Optional external MRU interface.

Required pitch uncertainty [deg]

0.05

Required roll uncertainty [deg]

0.02

Required heave uncertainty [m]

0.02

Motion stabilized

Y

Mounting and deployment: Mounting

Portable

Retractable

N

Used Sonar Methods: Type of system

CAATI 3D Sidescan (Not interferometric)

Bottom Detection Method

Computed Angle-of-Arrival Transient Imaging

Sonar type

Interferometric

System Parameters: Min. frequency [kHz]

450

Max. frequency [kHz]

450

Min. depth [m]

1

Max. depth [m]

75

Depth resolution [mm]

13

Max. Slant Range [m]

150

Max. swath as a function of depth

16

Max. pings / second

50

Ping frequency [Hz]

50

Min. beam width across track [deg]

0.25

Min. beam width along track [deg]

0.4

Number of selectable frequencies

1

Available frequenties

450 kHz

Simultaneous multiple frequencies

No

High resolution mode

Yes

Number of beams

1024

Pulse length

22 microseconds

Bottom Coverage: Max. swath width [m]

200

Equal footprint spacing

Y

Max. number of points per ping for side scan operation

15000

Equi-angular/equi-distant mode

Equi-angular, Equi-distant

Backscatter

Y

Water column

Y