Off-grid Model Can Synthesize Pattern More Accurately and Efficiently
A novel off-grid synthesis method is proposed by researchers from the Key Laboratory of Information Technology for Autonomous Underwater Vehicles of the Chinese Academy of Sciences. This method can estimate the sparse array element positions ...
Read More >>Fast High-accuracy Algorithm of Direction of Arrival Estimation Applies to Both Single and Multiple Snapshots
A high-efficiency iterative algorithm is recently developed by researchers from the Institute of Acoustics of the Chinese Academy of Sciences, based on the fast relevance vector machine (FastRVM) and the off-grid model. This new approach appl...
Read More >>In the Deep-water Area of the South China Sea, the Geoacoustic Inversion Method Is Used for Bottom Parameters
Geoacoustic inversion is an important issue in underwater acoustics. With the development of underwater acoustics from shallow to deep water, geoacoustic inversion needs be researched into more depth in deep water. Recently, in the deep-water...
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The First Effective Automatic Identification Algorithm of Yangtze Finless Porpoise
Researchers from the Institute of Acoustics of the Chinese Academy of Sciences and Tongling River Dolphin National Natural Reserve work together to have proposed an effective automatic identification algorithm of finless porpoise signal for t...
Read More >>Robust Localization of Single Sound Source, Based on Phase Difference Regression
Recently, researchers from the Key Laboratory of Speech Acoustics and Content Understanding of the Chinese Academy of Sciences propose a regression-based method for a planar array, where the cost function is taken as the weighted square error...
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