SAR Image Complex Pixel Representations | Zendy

Armin Doerry | Zendy

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SAR Image Complex Pixel Representations

Author(s) -

Armin Doerry

Publication year - 2015

Language(s) - English

Resource type - Reports

DOI - 10.2172/1177594

Subject(s) - clutter , pixel , synthetic aperture radar , magnitude (astronomy) , companding , algorithm , computer science , quantization (signal processing) , artificial intelligence , mathematics , radar , physics , telecommunications , channel (broadcasting) , astronomy , orthogonal frequency division multiplexing

Complex pixel values for Synthetic Aperture Radar (SAR) images of uniform distributed clutter can be represented as either real/imaginary (also known as I/Q) values, or as Magnitude/Phase values. Generally, these component values are integers with limited number of bits. For clutter energy well below full-scale, Magnitude/Phase offers lower quantization noise than I/Q representation. Further improvement can be had with companding of the Magnitude value.

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