Polarimetric Millimeter-Wave Radar for Cloud Physics Research

In this proposal, Quadrant Engineering seeks SBIR funds to develop a ground-based polarimetric millimeter-wave radar for studying the distribution, dynamics and microphysics of nonprecipitating clouds. The proposed radar will utilize a high duty-cycle kylston amplifier, low-noise amplifiers and a 2 m diameter antenna to achieve greater sensitivity than any existing millimeter-wave cloud radar. Pulse-to pulse polarization switching will allow measurement of all important polarimetric quantities and will permit unambiguous measurement of velocity under high wind conditions using a dual-polarization pulse pair algorithm. The radar system will also include a state-of-the-art data acquisition system implemented using commercially available VXI-based components. In order to meet the Air Force's operational and scientific needs, Quadrant Engineering will consult with AF meteorologists and engineering staff to optimize system requirements. These consultation will be carried out early in Phase I to pin down specifications for the radar, data system and mechanical layout.