Compressed sensing with nonconvex sparse regularization and convex analysis for duct mode detection
Mechanical Systems and Signal Processing(2020)
摘要
•A new compressed sensing method for acoustic mode detection for aero engines is proposed.•The proposed method performs effectively with a small number of sensors.•The proposed method can enhance the mode detection accuracy compared with the conventional methods.•The cost function is convex, and the global optimum solution can be guaranteed.•Both simulations and experiments validate the effectiveness and application potential.
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关键词
Duct acoustic,Mode detection,Compressed sensing,Nonconvex sparse regularization,Convex optimization,Sensor array
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