Abstract:Some factors lead to spurious signals in the multi-beam sounding process, including complex changes of the sea, the vessel motion attitede, the unreasonable setting of equipment parameters and so on. Although these factors were filtered strictly and the system errors were compensated in the post processing, residual errors still exist in multi-beam swath joins. Such errors produce uplift and abnormal phenomena in the measured terrain between swaths. Therefore, a new method of terrain spectrum analysis was esta… Show more
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