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Low-cost, high-performance radar networks

  • US 7,940,206 B2
  • Filed: 04/20/2005
  • Issued: 05/10/2011
  • Est. Priority Date: 04/20/2005
  • Status: Active Grant
First Claim
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1. A real-time radar surveillance system comprising at least one land-based radar sensor apparatus adapted for detecting maneuvering targets and targets of small or low radar cross-section, said radar sensor apparatus including:

  • a microwave radar device for substantially continuously monitoring a surveillance region for the presence of said targets by transmitting a radar signal and receiving radar echo signals from said targets when present and from surrounding sources of clutter;

    a digitizer connected to said microwave radar device for receiving therefrom samples of said radar echo signals;

    a computer programmed to implement a software-configurable radar processor generating low-bandwidth target data from said radar echo signals, said target data being taken from the group consisting of detection data and track data generated by said processor, said computer being connectable via a computer network to a radar data server including a database structured to organize and store said target data so that said target data is available for both immediate access as real-time target data and subsequent access as historical target-data,said processor being configured to send at least a portion of said target data over said network to said radar data server for insertion into and storage in said database, said database accumulating said target data over time resulting in a build-up and long-term storage of historical target data in said database contemporaneous with insertions of real-time target data, said database being accessible via said computer network or another network by at least one user application that receives, from said radar data server, data selectable by said user application from real-time target data and historical target data, said selectable real-time target data delivered to said user application immediately following and in sequence with insertions of said target data into said database enabling said user application to keep up in real-time, said user application providing a user interface for at least one user of the system.

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