Abstract
In this letter, a radar target simulator (RTS) for the generation of targets for frequency modulated continuous wave (FMCW) chirp sequence radar in the close range of a vehicles surroundings is presented. Key interest is the reproduction of micro-Doppler signatures of vulnerable road users, for example, pedestrians or cyclists. The received $E$ -band radar signal is first converted from the RF band to an IF band, in which the target is manipulated by modulating a range and velocity profile with an IQ modulator. To generate arbitrary signals forms, a PC controlled digital to analog converter (DAC) is used. The RTS has no delay lines to simulate the range, instead it is modulated directly. This allows the distance to be set individually for a large number of targets. In this contribution, the system itself and the underlying concept for the range generation are presented. Finally, measurements of generated static targets and micro-Doppler-signatures are shown.
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