Fig. 9: Theoretical analysis of the expected backscatter for a bistatic system.
From: Space debris and satellite laser ranging combined using a megahertz system
a Field of view intersection height h0 of transmit and receive system (separated by the distance d0) in dependence of the elevation ϵ. The telescopes point into the direction connecting both systems (azimuth ϕ = 0° or phi = 180°) which is the scenario with largest backscatter. The dashed blue line corresponds to the effective atmospheric backscatter height he, marking the estimate observation threshold. b, c Field of view intersection h0 in dependence of the azimuth ϕ and elevation ϵ for d0 = 4 m and d0 = 10 m. If at a given elevation h0 is lower than he, backscatter from the laser can enter the receiving system. The dashed blue line marks this threshold.
