| CPC G01D 11/30 (2013.01) [G01D 11/245 (2013.01); G01P 15/14 (2013.01)] | 20 Claims |

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1. A sensor cluster comprising:
a first plurality of side surfaces of a first N-hedron structure;
a second plurality of side surfaces of a second N-hedron structure;
a first plurality of a first type of sensor mounted on the first plurality of side surfaces; and
a second plurality of a second type of sensor mounted on the second plurality of side surfaces;
wherein N is greater than three and the first plurality of side surfaces are interleaved with the second plurality of side surfaces.
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