... a ‘Deep Space mode’ (X- and Ka- bands), or a ‘Near-Earth mode’ (X- and K- bands). ESA’s deep space antennas have a beam waveguide structure. For the upgrade the mirrors M1 to M4 will not be modified. M5 will have the capability to rotate...
... contributor on the optical design and the control system for the Kansas City team in NASA’s Power Beaming challenge. He is a founding member and director of ISEC, an organization furthering space elevator related research, including the recent...
... the satellite cross- link option increases access time, one ends up with several technical challenges such as beam handover, Doppler shift, need for directional antennas, increased free-space loss and reduced data rate...
...-mirror anastigmat telescope (TMA). It is an on-axis TMA reflexive system. An additional plane mirror redirects the beam to accommodate the mechanical envelope constraints. The result is a high-throughput telescope, chromatic free aberration system...
.... Beyond space resource acquisition there is, of course, the possibility of space processing and manufacturing, and new systems to beam clean energy to Earth and create new cost-efficient launch systems such as mass driver launch systems...
...-like expansion on orbit. For example, large communication antennas could provide higher throughput, more precise beam steering, and other advantages to communications satellites. These could be robotically assembled in a tile-like fashion. Even...