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The time domain radiation properties of UWB antennas are analyzed, especially the angular dependent impulse distortion, with respect to the signal transmitted in the main beam direction, is investigated. The correlation properties of the radiated pulses are determined by the so called fidelity F. The fidelity F is together with the peak pulse amplitude P a powerful tool for the characterization of...
An ultra wideband PN-radar for medical imaging applications is proposed. To detect water accumulation inside of the human body, e.g. the bladder, the radar signal undergoes multi-reflections and strong attenuation in human tissues. To fulfil the required high system dynamic range due to the signal attenuation in human tissues, a PN signal with order of 14 is used for the investigation. A demonstrator...
In this paper the time domain responses of UWB radar signals from scattering targets are analyzed. In particular, the aim of this paper is to investigate the pulse distortion of UWB radar signals by a scattering object, i.e. how does the scattered signal vary with respect to the radar signal incident on the object itself. The investigation is performed analyzing the polarimetric responses of different...
In this paper a novel approach for the calculation of the radar range profile in OFDM radar systems is presented. The proposed algorithm operates directly on the modulation symbols and overcomes the typical drawbacks of correlation based baseband signal processing. An example system configuration as well as simulation results from a dedicated MatLab model will be presented and discussed.
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