Figure 2. (Top left) Operating principle of the interference-based metamaterial structure; (Bottom left) Predicted and experimental results of directional response changes by frequency; (Right) Prototype sensor implementing the hardware acoustic filter (IMAGE)

Seoul National University College of Engineering

Figure 2. (Top left) Operating principle of the interference-based metamaterial structure; (Bottom left) Predicted and experimental results of directional response changes by frequency; (Right) Prototype sensor implementing the hardware acoustic filter

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Figure 2. (Top left) Operating principle of the interference-based metamaterial structure; (Bottom left) Predicted and experimental results of directional response changes by frequency; (Right) Prototype sensor implementing the hardware acoustic filter

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© Mechanical Systems and Signal Processing, originally published in Mechanical Systems and Signal Processing

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