Abstract: In Lunar-Earth telemetry, tracking, and command (TT&C) scenarios characterized with high dynamics and extremely low carrier-to-noise ratios (CNR), direct sequence spread spectrum (DSSS) ...
NORAD (North American Aerospace Defense Command) had the first ever Santa tracker in 1955. While it used to be just a boring animation of Santa’s sleigh and reindeer flying across a map, NORAD has ...
Abstract: In underwater multi-sensor systems for bearing-only tracking, propagation delays cause uncertainty in the state transition intervals. These intervals vary even for the same target observed ...
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