In other embodiments, weighting of the output signals is obtained by using different surface areas for {TAIL ~ the sensors} or by appropriately positioning two shear mode sensors in relation to the region of influence of {HEAD ~ the actuator} 
In other embodiments , weighting of the output signals is obtained by using different surface areas for { TAIL ~ the sensors } or by appropriately positioning two shear mode sensors in relation to the region of influence of { HEAD ~ the actuator }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD