LOST - A Computer System to Determine Where Line-of-Sight to a Projectile's Trajectory Exists.

摘要

This laboratory is developing the Artillery Projectile Impact Locator System (APIL) which determines a projectile's trajectory and impact point. This will allow artillery units to adjust fire accurately without a forward observer. During at least some portion of the trajectory, APIL requires that line-of-sight exists between the projectile (which contains a beacon that emits electronic pulses) and receivers located on the ground. The accuracy of calculating the impact point depends on what part of the trajectory is visible to the receivers. The LOST system,described in this report,is a tool to analyze how terrain interacts with the line-of-sight requirement of the APIL system. Basic inputs are digitized terrain, a trajectory,and gun and receiver locations. LOST determines what part of the trajectory is visible to the receivers. The final output is a printed graphic display showing where visibility exists for a trajectory fired at all azimuths from a fixed gun location.