An array of accelerometers fixed with {HEAD ~ respect} to {TAIL ~ one} another may detect acceleration in sufficient orthogonal directions to accurately describe the movements of the array when the accelerations are doubly integrated 
to
An array of accelerometers fixed with { HEAD ~ respect } to { TAIL ~ one } another may detect acceleration in sufficient orthogonal directions to accurately describe the movements of the array when the accelerations are doubly integrated
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH