Distortions of rectangular pulse with linear frequency modulation during trans-ionospheric sounding of the Martian surface
Distortions of rectangular pulse with linear frequency modulation during trans-ionospheric sounding of the Martian surface
- New search for: Strelkov, G. M.
- New search for: Gashevskaya, O. S.
- New search for: Derkach, O. G.
- New search for: Strelkov, G. M.
- New search for: Gashevskaya, O. S.
- New search for: Derkach, O. G.
Abstract Specific features of propagation of a wideband rectangular pulse along the route spacecraft-Martian surface-spacecraft caused by the influence of the planetary ionosphere are considered as applied to the problem of radio pulse sounding of the subsurface Martian soil from the Mars-Express satellite. The night Martian ionosphere considerably reduces the energy of the pulse, but does not lead to degradation of its envelope or uncertainty function. When sounding a two-layer surface, the influence of the ionosphere is also manifested in limitation from below of the thickness of the upper layer accessible for measurement, which is more essential than when sounding with the use of a wideband Gaussian pulse. It is demonstrated that the surface sounding is possible through the dayside planet ionosphere at the parameters of operating pulse of the MARSIS radar.
Document information
Distortions of rectangular pulse with linear frequency modulation during trans-ionospheric sounding of the Martian surface
Cosmic Research ; 44 , 3 ; 209-219
2006-05-01
11 pages
Article (Journal)
Electronic Resource
English
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