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Coherent-on-Receive X-band marine radar system was developed with the aim to map the nearshore surface current that responsible for sediment transportation in the coastal zone. In order to evaluate the performance of this land-based remote sensing system and to validate the data, in-situ measurement of the surface velocities over the domain that covers from the surf-zone to the inner-shelf are required...
In present study, a X-band marine radar was installed at the northwestern coast of Taiwan. The IF signal from the super-heterodyne receiver of the marine radar was retrieved, amplified, band-pass filtered and digitized to be the raw dataset, from which the phase of transmitted and echo radar EM wave could be determined. Based on Doppler theory, the time rate change of the phases between succeeding...
A conventional nautical radar, operating at grazing incidence and horizontal polarization in transmit and receive, is used as a ocean surface wave sensor. Radar-image sequences, with their high spatial resolution and large coverage, offer an opportunity to derive and study individual waves and wave fields in space and time. However, rainfall effect cannot be avoided in traditional X-band wave monitoring...
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