- Microwave and Millimeter-wave Radar Remote Sensing: Phenomenology and applications.
- Wave propagation through foliage and its impact on obscured target detection and wireless communications.
- Phenomenology of bistatic scattering from terrain.
- Design, construction, and calibration of coherent, polarimetric, instrumentation radars for outdoor experimentation
- High resolution, SAR imaging of complex target scenes,
- Advanced radar system concepts, such as MIMO radars and Chaotic radars.