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