Optimisation of the spatial configuration of microphones for robust virtual sensing in a diffuse sound field

Topical Issue - Modern approaches to Active Control of Sound and Vibration

Open Access

Figure 7.

The (a) spatial distribution of the estimation error and (b) the corresponding microphone configurations that minimise the error, condition, and the TOPSIS optimal setup calculated with the J₂ fitness function over the frequencies of 250 Hz, 500 Hz, and 1 kHz. The grey squares mark the permissible region for monitoring microphone placement.

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