Admixture sensing method for gimbaled scanners

A system, comprising:

• a rotating structure configured to rotate about an inner axis according to a first rotation and rotate about an outer axis according to a second rotation;
• an inner frame mechanically coupled to the rotating structure by a first support structure and a second support structure, wherein the first support structure and the second support structure extend between the inner frame and the rotating structure along the inner axis, and wherein the first support structure is arranged opposite to the second support structure relative to the rotating structure;
• an outer frame mechanically coupled to the inner frame by a third support structure and a fourth support structure, wherein the third support structure and the fourth support structure extend between the inner frame and the outer frame along the outer axis, and wherein the third support structure is arranged opposite to the fourth support structure relative to the rotating structure;
• and
• an inner axis sensor positioned between the inner frame and the outer frame, wherein the inner axis sensor is configured to sense a first relative movement of the inner frame relative to the outer frame and generate a first sensor signal corresponding to the first relative movement,
• wherein the first sensor signal is representative of a rotational position of the rotating structure about the inner axis.

A method, comprising:

• driving an oscillator structure about an inner axis according to a first oscillation;
• driving the oscillator structure about an outer axis according to a second oscillation;
• and
• sensing a first relative movement of an inner frame relative to an outer frame to generate a first sensor signal corresponding to the first relative movement, wherein the first sensor signal is representative of a first angular position of the oscillator structure about the inner axis,
• wherein the inner frame is mechanically coupled to the oscillator structure by first support structures that extend along the inner axis, and
• wherein the outer frame is mechanically coupled to the inner frame by second support structures that extend along the outer axis.