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Antenna Control Unit for Radar Systems
The ARC-ACU is fully configurable and is designed to interface with new and existing radar systems. The ACU allows for individual surveillance, PPI and RHI sector scans, as well as sequences of these scans, to be produced, edited and executed locally or remotely.
Remote monitoring of the radar antenna via Ethernet web cam can be directly accessed from the antenna control software main screen. Solar based angle position calibration and solar gain measurements are an integral part of the software for antenna gain calculations.
Years of experience in weather research have gone into the design to ensure that the ARC ACU is highly interactive and configurable for any weather radar application. ARC provides the NCAR-developed TITAN/CIDD radar product generation and display software, which has been refined through decades of research and operational use around the planet, for both standard and polarimetric radar products for operation with the ARC ACU.
HiQ is the product of decades of research experience and field deployments at the National Center for Atmospheric Research (NCAR). It is a low-cost IF digitizer and down conversion card that lives on the PCI parallel bus. It provides a stage of analog down-conversion and bandwidth filtering so the receiver can be made to track a slowly varying IF frequency. Automatic Frequency Control (AFC) code in the ARC receiver control program can either adjust the local oscillator on the HiQ or it can adjust the frequency of the main system stable local oscillator (STALO) to track the frequency drift found in magnetrons.
The HiQ digital receiver was designed to be a stand-alone, cost-effective Doppler receiver upgrade for any commercial radar system. It performs the signal processing tasks necessary to generate a high quality data stream for computing radar products. The ARC HiQ provides a radar calibration software suitable for operational uses and research applications requiring accurate, quantitative radar measurements.