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Study on the Effect of the Multibeam Echo Sounder Error Sources on Measurement Point Position Reduction
Author(s): 
Pages: 74-78
Year: Issue:  1
Journal: Ocean Technology

Keyword:  multibeam echosounder systemposition reductionprecision estimationimproved modelerror curve;
Abstract: To resolve the problem of the insufficient precision estimation model for multibeam measurement point position reduction presented by Rob Hare, an improved model is built considering the correlation among corrections. On the basis of the new model, this paper analyzes the influence of various error sources on measurement point, and deduces the influence quantity of error sources on the reduction precision estimation of measurement point position. Combined with calculating examples, the error curve of each error source as well as the total position error curve are derived by using two kinds of models to calculate the influence level of error sources on measurement point position reduction. Through analysis and comparison of calculated results, the differences of the two models are obtained when assessing the reduction precision of multibeam measurement point position. In the light of the correlation among corrections, the improved model is regarded more scientific and reasonable.
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