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Apparatus and methods for synthetic aperture radar with digital beamforming
PA Fox - US Patent 10,871,561, 2020 - Google Patents
(57) ABSTRACT A digital beamforming synthetic aperture radar (SAR) mixes a first analog
signal to generate a frequency-shifted first signal having a first spectral band, mixes a …
signal to generate a frequency-shifted first signal having a first spectral band, mixes a …
Synthetic aperture radar imaging apparatus and methods
PA Fox - US Patent 10,955,546, 2021 - Google Patents
A synthetic aperture radar (SAR) is operable in an interro gation mode and in a self-imaging
mode, the self-imaging mode entered in response to determining a response to interrogation …
mode, the self-imaging mode entered in response to determining a response to interrogation …
Dual-polarized fractal antenna feed architecture employing orthogonal parallel-plate modes
W Milroy, W Henderson, J Sor - US Patent 10,468,780, 2019 - Google Patents
A multi-polarized continuous transverse stub (CTS) antenna includes a first feed network
operative to at least one of receive or transmit a signal having a first polarization, and a …
operative to at least one of receive or transmit a signal having a first polarization, and a …
Synthetic aperture radar imaging apparatus and methods
PA Fox - US Patent 11,506,778, 2022 - Google Patents
(57) ABSTRACT A synthetic aperture radar (SAR) is operable in an interro gation mode and
in an imaging mode, the imaging mode entered in response to determining a response to …
in an imaging mode, the imaging mode entered in response to determining a response to …
Synthetic aperture radar apparatus and methods
PA Fox, TT Chisholm, J Nutini, JM De Vos - US Patent 11,525,910, 2022 - Google Patents
(57) ABSTRACT A synthetic aperture radar (SAR) system generates an image of a first
swath. The SAR includes at least one SAR antenna, at least one SAR processor and at least …
swath. The SAR includes at least one SAR antenna, at least one SAR processor and at least …
Synthetic aperture radar imaging apparatus and methods
PA Fox - US Patent 11,754,703, 2023 - Google Patents
A synthetic aperture radar (SAR) is operable in an interrogation mode and in a self-imaging
mode, the self-imaging mode entered in response to determining a response to interrogation …
mode, the self-imaging mode entered in response to determining a response to interrogation …
Modular and stackable antenna array
CH McCordic, JR Ellsworth, DJ Moriondo… - US Patent …, 2022 - Google Patents
A modular phased array antenna that includes a plurality of modular antenna array blocks
assembled together as a single antenna array and an array face having an array plate and a …
assembled together as a single antenna array and an array face having an array plate and a …
Synthetic aperture radar imaging apparatus and methods for moving targets
PA Fox, KDR Beckett - US Patent 11,378,682, 2022 - Google Patents
A synthetic aperture radar (SAR) system may employ SAR imaging to advantageously
estimate or monitor a transit characteristic (eg, velocity, acceleration) of a vehicle, for …
estimate or monitor a transit characteristic (eg, velocity, acceleration) of a vehicle, for …