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A compact modular 24 GHz imaging radar sensor for digital beamforming is presented. Besides digital beamforming on receive, the advantage of multiple switched transmitters is used for increasing the angular resolution, which requires less hardware effort. The presented FMCW radar sensor provides up to eight switchable transmitters and eight receiver channels for parallel receiving, allowing digital...
In the frequency modulated continuous wave radar systems, when the transmitter uses periodic linear symmetric triangular wave modulation, the received signal after processed by the mixer will have many harmonics. In the single target detection, this effect can be ignored. However, in the multi-target detection, targets with different ranges and velocities lead to overlapping of the harmonics. Using...
In this paper the design of sparse antenna arrays and signal processing algorithms for non-parametric high resolution range and angle estimation algorithms for FMCW radar sensor arrays are presented. Since the performance of such systems strongly depends both on the antenna placement as well as the adequate algorithms, the close relation between antenna hardware and signal processing is exploited...
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