The Resource Time-frequency analysis of a moving human Doppler signature, by Traian Dogaru, Calvin Le, and Getachew Kirose, (electronic resource)

Time-frequency analysis of a moving human Doppler signature, by Traian Dogaru, Calvin Le, and Getachew Kirose, (electronic resource)

Label
Time-frequency analysis of a moving human Doppler signature
Title
Time-frequency analysis of a moving human Doppler signature
Statement of responsibility
by Traian Dogaru, Calvin Le, and Getachew Kirose
Creator
Contributor
Subject
Language
eng
Summary
In this report we analyze the Doppler signature of a moving human with the purpose of finding temporal change patterns that would allow detection and classification of movers. The analysis is based on computer models that simulate the operation of a pulse-Doppler radar. We start with an animated human mesh in walking motion and compute the frame-by-frame radar return using electromagnetic solvers such as the Finite Difference Time Domain (FDTD). The results are processed in the time-frequency domain via Short-Time Fourier Transforms (STFT) and displayed as spectrograms. In the end, we try to distinguish patterns in these spectrograms that are characteristic to a certain human motion type. The analysis emphasizes the phenomenological aspects of the Doppler signature, by looking at the relative contribution of various body parts and the effect of frequency, aspect angle, polarization and other radar parameters
Member of
Cataloging source
DTICE
http://library.link/vocab/creatorName
Dogaru, Traian
Government publication
federal national government publication
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
http://library.link/vocab/relatedWorkOrContributorName
  • Le, Calvin
  • Kirose, Getachew
  • U.S. Army Research Laboratory
Series statement
ARL-TR-4728
http://library.link/vocab/subjectName
  • Doppler effect
  • Human mechanics
  • Active and passive radar detection & equipment
  • Doppler radar
  • Pattern recognition
  • Humans
  • Walking
  • Finite difference time domain
  • Motion
  • Signatures
  • Aspect angle
  • Fourier transformation
  • Computerized simulation
Target audience
adult
Label
Time-frequency analysis of a moving human Doppler signature, by Traian Dogaru, Calvin Le, and Getachew Kirose, (electronic resource)
Link
http://purl.access.gpo.gov/GPO/LPS114007
Instantiates
Publication
Note
  • Final rept. 2007-2008
  • Title from PDF title screen (viewed June 23, 2009)
  • "February 2009."
Bibliography note
Includes bibliographical references (p. 24)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
mixed
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
unknown
Extent
vi, 26 p.
Form of item
electronic
Governing access note
APPROVED FOR PUBLIC RELEASE
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
digital, PDF file.
Specific material designation
remote
System details
Mode of access: Internet from the ARL web site. Address as of 6/23/09: http://www.arl.army.mil/arlreports/2009/ARL-TR-4728.pdf ; current access available via PURL
Label
Time-frequency analysis of a moving human Doppler signature, by Traian Dogaru, Calvin Le, and Getachew Kirose, (electronic resource)
Link
http://purl.access.gpo.gov/GPO/LPS114007
Publication
Note
  • Final rept. 2007-2008
  • Title from PDF title screen (viewed June 23, 2009)
  • "February 2009."
Bibliography note
Includes bibliographical references (p. 24)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
mixed
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
unknown
Extent
vi, 26 p.
Form of item
electronic
Governing access note
APPROVED FOR PUBLIC RELEASE
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
digital, PDF file.
Specific material designation
remote
System details
Mode of access: Internet from the ARL web site. Address as of 6/23/09: http://www.arl.army.mil/arlreports/2009/ARL-TR-4728.pdf ; current access available via PURL

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