Stochastic Transfer Function Approach for Modeling Wideband Radar Signals with High-Fidelity Motion Effects

In this paper, we present a time-frequency sub-banding method to represent wideband radar signals with high-fidelity motion effects using stochastic transfer functions for each sub-band. This approach can be used to represent effects such as waveform dilation using a bank of impulse responses since a single impulse response cannot capture this effect. Similarly, effects such as intrapulse Doppler phase progression are captured by this approach. The impulse responses for all the sub-bands are computed separately and appropriately combined to provide the desired effect on the waveforms. Realistic simulations are used to demonstrate these results.