METHODS AND APPARATUS FOR 3D RADAR DATA FROM 2D PRIMARY SURVEILLANCE RADAR AND PASSIVE ADJUNCT RADAR

摘要

Methods and apparatus for combining radar signals of a two-dimensional primary radar covering a surveillance area and a passive adjunct radar to provide three-dimensional data for targets and weather. In exemplary embodiments, high beam and low beam data from the primary radar and elevation data from the adjunct radar can be used to mitigate interference from clutter, such as wind farms.

主权项

1. A method, comprising:
transmitting radar signals using a two-dimensional primary radar to cover a surveillance area; receiving return from the transmitted radar signals at the primary radar; performing high beam and low beam pulse compression on the received return to provide high beam data and low beam data; receiving return from the transmitted radar signal at a passive adjunct radar comprising elevation beam data; synchronizing the primary radar and the adjunct radar; combining range and azimuth data from the primary radar with elevation data from the adjunct radar to provide three-dimensional data for targets and weather; and integrating data from the primary radar with data from adjunct radar to improve coverage of the radar.