SAR processing with stepped chirps and phased array antennas.

Doerry, Armin Walter

doi:10.2172/893561

Title: SAR processing with stepped chirps and phased array antennas.

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Abstract

Wideband radar signals are problematic for phased array antennas. Wideband radar signals can be generated from series or groups of narrow-band signals centered at different frequencies. An equivalent wideband LFM chirp can be assembled from lesser-bandwidth chirp segments in the data processing. The chirp segments can be transmitted as separate narrow-band pulses, each with their own steering phase operation. This overcomes the problematic dilemma of steering wideband chirps with phase shifters alone, that is, without true time-delay elements.

Authors:: Doerry, Armin Walter

Publication Date:: Fri Sep 01 00:00:00 EDT 2006

Research Org.:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 893561

Report Number(s):: SAND2006-5855
TRN: US200625%%345

DOE Contract Number:: AC04-94AL85000

Resource Type:: Technical Report

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION; ANTENNAS; DATA PROCESSING; OPTICAL RADAR; TIME DELAY; Phased array antennas.; Signals and signaling.; Synthetic Aperture Radar.

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                    Doerry, Armin Walter. SAR processing with stepped chirps and phased array antennas..  United States: N. p., 2006. 
        Web.  doi:10.2172/893561.

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                    Doerry, Armin Walter. SAR processing with stepped chirps and phased array antennas..  United States.  https://doi.org/10.2172/893561

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                    Doerry, Armin Walter. 2006.  
        "SAR processing with stepped chirps and phased array antennas.".  United States.  https://doi.org/10.2172/893561.  https://www.osti.gov/servlets/purl/893561.

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@article{osti_893561,

  title        = {SAR processing with stepped chirps and phased array antennas.},

  author       = {Doerry, Armin Walter},

  abstractNote = {Wideband radar signals are problematic for phased array antennas. Wideband radar signals can be generated from series or groups of narrow-band signals centered at different frequencies. An equivalent wideband LFM chirp can be assembled from lesser-bandwidth chirp segments in the data processing. The chirp segments can be transmitted as separate narrow-band pulses, each with their own steering phase operation. This overcomes the problematic dilemma of steering wideband chirps with phase shifters alone, that is, without true time-delay elements.},

  doi          = {10.2172/893561},

  url          = {https://www.osti.gov/biblio/893561},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri Sep 01 00:00:00 EDT 2006},

  month        = {Fri Sep 01 00:00:00 EDT 2006}

}

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