Apparatus and method for compressive sensing radar imaging
First Claim
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1. A radar transceiver comprising:
- a received signal processor that utilizes knowledge of an outgoing wave sequence in combination with a compressible or sparse representation of a radar scene to recover a radar reflectivity profile by sampling a random filtered received signal to obtain samples containing sufficient information to reconstruct a sparse representation of said radar reflectivity profile.
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Abstract
Method and apparatus for developing radar scene and target profiles based on Compressive Sensing concept. An outgoing radar waveform is transmitted in the direction of a radar target and the radar reflectivity profile is recovered from the received radar wave sequence using a compressible or sparse representation of the radar reflectivity profile in combination with knowledge of the outgoing wave form. In an exemplary embodiment the outgoing waveform is a pseudo noise sequence or a linear FM waveform.
35 Citations
18 Claims
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1. A radar transceiver comprising:
a received signal processor that utilizes knowledge of an outgoing wave sequence in combination with a compressible or sparse representation of a radar scene to recover a radar reflectivity profile by sampling a random filtered received signal to obtain samples containing sufficient information to reconstruct a sparse representation of said radar reflectivity profile. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for recovering a radar reflectivity profile comprising the steps of:
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generating an outgoing wave sequence; and recovering a radar reflectivity profile utilizing knowledge of said outgoing wave sequence in combination with a compressible representation of the reflectivity profile by sampling a random filtered received signal to obtain samples containing sufficient information to reconstruct a sparse representation of said radar reflectivity profile. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification