Effective data collection aperture in long-wavelength imaging systems

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Effective data collection aperture in long-wavelength imaging systems

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© The Institution of Electrical Engineers
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A new configuration for the acquisition of data in long-wavelength imaging systems is described and is shown to optimise the data collection capabilities of the aperture used. The feasibility of the approach has been demonstrated at a free-space ultrasonic frequency of 40 kHz and typical imagery is presented.

Inspec keywords: data acquisition; computer graphics; acoustic imaging; ultrasonic applications

Other keywords: acoustic imaging; ultrasonic applications; acquisition of data; 40 kHz; ultrasonic frequency; long wavelength imaging system

Subjects: Terminals and graphic displays; Data acquisition systems; Data acquisition equipment and techniques; Acoustic holography; Sonic and ultrasonic applications; Acoustical measurements and instrumentation

References

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      • R.D. Orme , A.P. Anderson . High resolution microwave holographic technique: application to imaging of object obscured by dielectric media. Proc. IEE , 401 - 406
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      • J.C. Bennett , S.N.M. Al-Adhami , A.P. Anderson . A novel radar array and its imaging properties. IEEE Trans. , 567 - 570
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      • W.H. Wells , A.F. Metherell , L. Larmore . (1970) Acoustical imaging with linear transducer arrays, Acoustical holography.
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