Signal Processing System for the CASA Integrated Project I Radars

Author:

Bharadwaj Nitin1,Chandrasekar V.2,Junyent Francesc2

Affiliation:

1. Pacific Northwest National Laboratory, Richland, Washington

2. Colorado State University, Fort Collins, Colorado

Abstract

Abstract This paper describes the waveform design space and signal processing system for dual-polarization Doppler weather radar operating at X band. The performance of the waveforms is presented with ground clutter suppression capability and mitigation of range–velocity ambiguity. The operational waveform is designed based on operational requirements and system/hardware requirements. A dual–Pulse Repetition Frequency (PRF) waveform was developed and implemented for the first generation X-band radars deployed by the Center for Collaborative Adaptive Sensing of the Atmosphere (CASA). This paper presents an evaluation of the performance of the waveforms based on simulations and data collected by the first-generation CASA radars during operations.

Publisher

American Meteorological Society

Subject

Atmospheric Science,Ocean Engineering

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