Regularities in the Formation of the Visibility Zone by Active-Pulse Vision Systems on Inclined Lines of Sight with Diffuse Reflection

It is established numerically that an area of small delay distances limited by the value L del-gr , where the spatialenergy profile of the recorded signal has the shape of a convex asymmetric curve with a maximum shifted toward the beginning of the visibility zone, can be selected when an active-pulse vision system registers signals from a diffusely reflecting underlying surface along inclined lines of sight. The value of L del-gr depends on the duration of the illumination and strobe pulses. The value of L del-gr for a cooperative object (equipped with retroreflectors) coincides with the value previously set for horizontal observation lines. The widths of the visibility zones for cooperative and diffuse objects increase with an increase in the delay distance, tending toward a certain limiting value depending on the duration of the illumination and strobe pulses. The visibility angle in the vertical plane is determined by the duration of the illumination and strobe pulses and the delay distance and height of the vision system installation when observing on inclined lines of sight.