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Multiple-input-multiple-output (MIMO) radar is an emerging technology that has significant potential for advancing the state-of-the-art of modern radar. When orthogonal waveforms are transmitted, with M+N (N transmit and M receive) antennas, an MN-element filled virtual array can be obtained. To successfully utilize such an array for high-resolution MIMO radar imaging, constant-modulus transmit signal...
In this paper, the problem of target classification from multiple high range resolution (HRR) radars data is studied. The use of multi-sensor angle-diverse data aims at shortening of the required time before a decision is made, as compared to using single-sensor data. In order to avoid the high-dimensional HRR profile databases, involved in the classic automatic target recognition (ATR) approaches,...
We have developed a synthetic aperture radar (SAR) imaging system using an ultra-short pulse for the nondestructive evaluation of reinforced concrete structures. A Vivaldi tapered slot antenna is designed to have the 10-dB bandwidth from 3.2 to 11.3 GHz. In the system, a monocycle pulse wave with the duration shorter than 200 ps is propagated in free space. Two-dimensional imaging in a reinforced...
The Millimetre Wave and High-Field ESR Group at St Andrews has recently been developing a range of mm-wave radar technologies that have yielded the successful development of various advanced prototype systems exhibiting state-of-the-art performance, which are reviewed here. These include a long-range, high resolution FMCW imaging radar for volcano mapping, and a nanosecond pulsed, coherent, radar-like...
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