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Where To Find This Example

AWR Version 13

Select Help > Open Examples... from the menus and type either the example name listed above or one of the keywords below.

Or in Version 13 or higher you can open the project directly from this page using this button.

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AWR Version 12


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Design Notes

Pulse-Doppler Radar System


Chirp signal level is set to 0 dBm, PRF = 2 kHz and DUTY = 25%. The Doppler frequency offset, target distance and angles of arrival (THETA/PHI) are defined in a data file and vary over time. These parameters are used to define the target model. The clutter magnitude distribution is set to Rayleigh and the clutter power spectrum is formed as Weibull. In the receiver, the MTD FFT size is set to 64.


Simulation Results

Under these settings, the simulation results are displayed below.The radar signal waveform is measured in time domain at the receiver input. The target return signal is often blocked by clutter, jamming and noise. Therefore, detection in the time domain is not possible and an MTD is used to perform the Doppler and range detection in the frequency domain. In the MTD model, the data are grouped for corresponding target range and Doppler frequency. Afterwards, a CFAR processor is used to set the decision threshold based on the required probabilities of detection and false alarm.

Results of the simulation are shown in the graph System Metrics.

System Diagram - Radar System


Graph - Chirp Waveforms


Graph - Antenna Pattern


Graph - System Metrics