NDLI: IOA-1 Acoustic Correlation Current Profiler (ACCP)

Content Provider	IEEE Xplore Digital Library
Author	Weiqing Zhu Changhong Wang Ping He Feng Pan Yong Huang Min Zhu
Copyright Year	2000
Description	Author affiliation: Inst. of Acoust., Acad. Sinica, Beijing, China (Weiqing Zhu)
Abstract	IOA-1, a prototype acoustic correlation current profiler (ACCP), which operates at 75 kHz, has recently been built and tested. IOA-1 has 2 kinds of transducer geometry, one is named non-uniform array, and the other is named uniform array. IOA-1 was tested in East China Sea in July 1999. The sea trial data of IOA-1 were processed with the maximum likelihood estimate and nonlinear least squares estimate separately. The results of the authors' theoretical predictions and sea trial show that IOA-1 achieved its optimum performance when the maximum likelihood estimate and the non-uniform array were adopted jointly. Sea trial data of IOA-01 were also compared to velocity profiles and bottom track velocities obtained simultaneously during the sea trial from an acoustic Doppler current profiler (ADP) and DGPS respectively. The comparison shows that IOA-1 obtained similar results with those from ADP and DGPS.
Starting Page	777
Ending Page	779
File Size	322919
Page Count	3
File Format	PDF
ISBN	0780365518
DOI	10.1109/OCEANS.2000.881352
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Maximum likelihood estimation Global Positioning System Underwater acoustics Prototypes Acoustic testing Acoustic transducers Least squares approximation Frequency Analysis of variance Numerical simulation
Content Type	Text
Resource Type	Article

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