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Sonar technologies
Industrial Research is working with industry partners to develop novel, high-performance sonar systems for recreational and commercial marine application.
Our expertise is the development of sonar systems including novel multi-element transducers and multi-channel signal processing to facilitate 2D and 3D beamforming systems.
Our research focus is the development of technologies that enable sonar systems positioned for notably different cost-performance characteristics to those previously manufactured in New Zealand, promoting high-value products.
A theme of the team's approach is the co-design of novel materials, transducers, electronics, signals and signal processing for particular target operating scenarios. A combination of capability in these areas provides accurate two- and three-dimensional sounding from cost-effective systems. Algorithm development applies acoustic and signal processing theory to allow sounding in difficult environments such as reverberant shallow water.
A strong theme of the research work is the adaptation of system architectures and signal processing algorithms primarily developed in communication fields.
Our research areas include:
Sonar transducer technology
Transducer research includes the capability to innovate in single frequency, dual frequency and wide-band use as well as traditional and sparse array design. Read more >>
Sonar signal processing
Signal processing research includes 1D and 2D beamforming, using traditional Fourier and super-resolution techniques along with more novel sounding approaches. Read more >>
Sonar system electronic architectures
Sonar electronics architecture research and development focus on multi-channel transmitters and receivers including cost effective architectures for transmitters and has produced bandpass-sampling, direct conversion, zero-if, multiplexed (reduced hardware) receivers showing superior performance at reduced cost. Read more >>