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In this contribution, a real-time imaging system alongside its processing chain for millimeter wave (mmWave) synthetic aperture radar (SAR) sensors operating at 240 GHz is presented. In addition to real-time capability, the SAR imaging system is manually moved on a linear track without precise stepper motors. Instead, the current position is obtained by a second radar measurement at a far lower frequency...
Microwave imaging of weak scattering objects within a strong multi-path environment is a challenging task. Differential imaging is used when the wanted targets are subjected to induced or inherent changes while the surrounding keeps stable. The paper illustrates the approach of differential imaging, discusses the performance limitations by random signal perturbations, and shows some examples from...
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