Open AccessAcoustically-observable properties of adult gait
Author(s) -
Marshall Bradley,
James M. Sabatier
Publication year - 2012
Publication title -
the journal of the acoustical society of america/the journal of the acoustical society of america
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.619
H-Index - 187
eISSN - 1520-8524
pISSN - 0001-4966
DOI - 10.1121/1.3678666
Subject(s) - torso , gait , sonar , radar , doppler effect , acoustics , observable , computer science , gait cycle , data set , artificial intelligence , physics , physical medicine and rehabilitation , biology , telecommunications , medicine , anatomy , kinematics , quantum mechanics , astronomy , classical mechanics
An approach has been developed for extracting human gait parameters from micro Doppler sonar grams. Key parameters include average speed of walking, torso velocity, walk cycle time, and peak leg velocity. The approach is a modification of a technique previously used in radar data analysis. It has been adapted because of differences between sonar and radar micro Doppler grams. The approach has been applied to an acoustic data set of 16 female and 60 male walkers. Statistics have been tabulated that illustrate the similarities and dissimilarities between female and male gait. Males tend to walk with larger walk cycle times and peak leg velocities than females.