MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.

In this paper we consider the exploitation of spatial timefrequency distribution (STFD) in multiple-input multipleoutput (MIMO) radar systems. STFD has been found useful in solving various array processing problems, such as direction finding and blind separation, where nonstationary signals are invo...

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Main Authors: Zhang, Yimin D., Amin, Moeness G.
Format: Villanova Faculty Authorship
Language:English
Published: 2011
Online Access:http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:173429
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spelling MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
Zhang, Yimin D.
Amin, Moeness G.
In this paper we consider the exploitation of spatial timefrequency distribution (STFD) in multiple-input multipleoutput (MIMO) radar systems. STFD has been found useful in solving various array processing problems, such as direction finding and blind separation, where nonstationary signals are involved. Such treatment has been primarily limited to traditional array processing whereas its use in MIMO radar scenario has received less attention. The emphasis of this paper lies in the reexamination of the STFD framework in an MIMO radar platform for the processing of maneuvering targets with nonstationary signatures. Within this framework, we consider the use of joint transmit and receive apertures for the enhancement and improved estimation of time-frequency signature and the application of STFD in joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimations. As a result, it becomes clear that STFD is effective in MIMO radar processing when the targets are of signatures that are highly localized in the time-frequency domain.
2011
Villanova Faculty Authorship
vudl:173429
Proceedings of the IEEE I International Conference on Acoustics, Speech, and Signal Processing, Prague, Czech Republic, May 2011.
en
dc.title_txt_mv MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
dc.creator_txt_mv Zhang, Yimin D.
Amin, Moeness G.
dc.description_txt_mv In this paper we consider the exploitation of spatial timefrequency distribution (STFD) in multiple-input multipleoutput (MIMO) radar systems. STFD has been found useful in solving various array processing problems, such as direction finding and blind separation, where nonstationary signals are involved. Such treatment has been primarily limited to traditional array processing whereas its use in MIMO radar scenario has received less attention. The emphasis of this paper lies in the reexamination of the STFD framework in an MIMO radar platform for the processing of maneuvering targets with nonstationary signatures. Within this framework, we consider the use of joint transmit and receive apertures for the enhancement and improved estimation of time-frequency signature and the application of STFD in joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimations. As a result, it becomes clear that STFD is effective in MIMO radar processing when the targets are of signatures that are highly localized in the time-frequency domain.
dc.date_txt_mv 2011
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dc.source_txt_mv Proceedings of the IEEE I International Conference on Acoustics, Speech, and Signal Processing, Prague, Czech Republic, May 2011.
dc.language_txt_mv en
author Zhang, Yimin D.
Amin, Moeness G.
spellingShingle Zhang, Yimin D.
Amin, Moeness G.
MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
author_facet Zhang, Yimin D.
Amin, Moeness G.
dc_source_str_mv Proceedings of the IEEE I International Conference on Acoustics, Speech, and Signal Processing, Prague, Czech Republic, May 2011.
format Villanova Faculty Authorship
author_sort Zhang, Yimin D.
dc_date_str 2011
dc_title_str MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
description In this paper we consider the exploitation of spatial timefrequency distribution (STFD) in multiple-input multipleoutput (MIMO) radar systems. STFD has been found useful in solving various array processing problems, such as direction finding and blind separation, where nonstationary signals are involved. Such treatment has been primarily limited to traditional array processing whereas its use in MIMO radar scenario has received less attention. The emphasis of this paper lies in the reexamination of the STFD framework in an MIMO radar platform for the processing of maneuvering targets with nonstationary signatures. Within this framework, we consider the use of joint transmit and receive apertures for the enhancement and improved estimation of time-frequency signature and the application of STFD in joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimations. As a result, it becomes clear that STFD is effective in MIMO radar processing when the targets are of signatures that are highly localized in the time-frequency domain.
title MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
title_full MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
title_fullStr MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
title_full_unstemmed MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
title_short MIMO Radar for Direction Finding with Exploitation of Time-Frequency Representations.
title_sort mimo radar for direction finding with exploitation of time-frequency representations.
publishDate 2011
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