Notes from "Vanished" websites.


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                               CEC Operations
     _________________________________________________________________
                                      
   CEC brings revolutionary new capability to air defense, not by adding
   new radars or weapon systems, but by distributing sensor and weapons
   data from existing systems in a new and significantly different
   manner. This new capability brings significant benefits in all air
   defense areas, including quantum improvements in track accuracy,
   continuity, and ID consistency; provision of an identical picture to
   all CEC units; and increased battle space, reduced reaction time, and
   extended engagement ranges through cooperative engagements.
   
                             Sensor Cooperation
     _________________________________________________________________
                                      
   Without CEC, the Battle Group ships detect the target at different
   times due to horizon limitations, multipath, and jamming. Their tracks
   consequently start and stop at different times and have different
   track numbers.
   _________________________________________________________________
   
   With CEC, data from each unit is distributed to all other units,
   filtered, and combined using identical algorithms into a single common
   air picture. [INLINE]
   [INLINE]
     _________________________________________________________________
   
   Each CU combines ownship radar measurement data with that from all the
   other CEC Units using the same CEC algorithms. The result is an air
   picture based on all the data available (thus superior to that of any
   single sensor), providing the same tracks with the same track numbers
   throughout the net.
   
                             Data Distribution
     _________________________________________________________________
                                      
   CEC distributes radar measurement data (not tracks) from each CU to
   all other CUs. Units communicate in pairs during short
   transmit/receive periods through a narrow directional signal. Data is
   thus sent across the net in near real time and communication is
   virtually jam-proof. [INLINE]
     _________________________________________________________________
   
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                              Engage On Remote
     _________________________________________________________________
                                      
   CEC units are able to engage on the basis of CEC composite tracks,
   even when the firing unit does not hold the track, because CEC
   provides precision gridlock and fire control quality tracks. The CEC
   picture below shows USS Cape St. George conducting a remote engagement
   using CEC data from USS Anzio during DT-IIA testing in mid-1994. The
   solid line connects the target to the firing ship; the dotted line
   connects the target with the ship providing the remote data. The fine
   lines connecting the CUs show CEC net connectivity.
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           Next page [LINK] Return to CEC Table of Contents page
   ______________________________________________________________________
   
   Updated: 10 Oct 1996
   Webmaster


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