Encyclopedia of the Solar System 2nd ed

740 Encyclopedia of the Solar System FIGURE 2 The Arecibo telescope in Puerto Rico. The triangular platform suspended above the ...

Planetary Radar 741 FIGURE 4 Block diagram of a planetary radar system. RF LO and IF LO denote radio frequency and intermediate ...

742 Encyclopedia of the Solar System pulse would be dispersed in time delay, and the total extent τTARGETof the distributionσ(τ ...

Planetary Radar 743 replica ofσ(τ) yields the power spectrum for echo from a different delay resolution cell, and in this manner ...

744 Encyclopedia of the Solar System completely and simultaneously in delay and Doppler with- out aliasing, at least with the wa ...

Planetary Radar 745 shift in the received echo isVLOS/(λ/2), so a 1-Hz Doppler shift corresponds to a velocity of half a wavelen ...

746 Encyclopedia of the Solar System FIGURE 6 Geometric relations between an irregular, nonconvex rotating asteroid and its echo ...

FIGURE 7 Constraints on the shape of near-Earth asteroid 1620 Geographos from Goldstone 3.5-cm radar echoes. (a) Spectra obtaine ...

748 Encyclopedia of the Solar System FIGURE 8 Measurements of echo bandwidth (i.e., the dispersion of echo power in Doppler freq ...

Planetary Radar 749 FIGURE 9 Topographic contours for the southern flank (large rectangle) of the Martian shield volcano Arsia M ...

750 Encyclopedia of the Solar System FIGURE 10 Typical 13-cm echo spectra for the terrestrial planets are compared to echo spect ...

Planetary Radar 751 FIGURE 12 This lava flow near Sunset Crater in Arizona is an example of an extremely rough surface at decime ...

752 Encyclopedia of the Solar System directions interfere constructively. The vector-wave theory of coherent backscatter account ...

Planetary Radar 753 FIGURE 14 Radar backscatter and digital elevation models of regions on the Moon from Goldstone 3.5-cm, OC, t ...

754 Encyclopedia of the Solar System FIGURE 16 Arecibo 13-cm, SC radar image of the north polar region of Mercury. The resolutio ...

Planetary Radar 755 A B FIGURE 17 Magellan 13-cm, SL radar maps of Venus: (a) Northern-hemisphere projection of mosaics. The Nor ...

756 Encyclopedia of the Solar System C D E FIGURE 17 (Continued) XP14, indicate extreme near-surface structural complexity, but ...

Planetary Radar 757 FIGURE 18 Mars Landersites and estimates of 3.5-cm rms slope and circular polarization ratio. The width acro ...

758 Encyclopedia of the Solar System FIGURE 19 High-resolution Goldstone 3.5-cm, OC, delay–Doppler images from each of three obs ...

Planetary Radar 759 FIGURE 20 Radar-derived shapes of (from top to bottom) main-belt asteroid 216 Kleopatra (maximum model dimen ...