Cassini Radio Detection and Ranging (RADAR): Earth and Venus observations

Cassini Radio Detection and Ranging (RADAR): Earth and Venus observations

The Cassini Radio Detection and Ranging (RADAR) was operated in scatterometric and radiometric modes during the Venus 1 and Earth swingbys to verify its functionality. At Venus, only the thermal emission from the thick absorbing atmosphere was detected. At Earth both the radar echo and the microwave emission from the surface were detected and reveal ocean surface disturbances, the rough, high, ...

Earth-Based Radar Observations of Venus PDS Archive Description

Radar Observations of Near-earth

Much useful information about physical and dynamical properties can be obtained from radar observations of near-Earth asteroids (NEAs) that come within reach of 1 Resolution of echoes in Doppler frequency and/or time groundbased radar telescopes . delay can be used to synthesize 1-D or 2-D images that show a target’s size, shape and rotation. Disc-integrated measurements also have value, becaus...

Fluvial channels on Titan: Initial Cassini RADAR observations

Cassini radar images show a variety of fluvial channels on Titan’s surface, often several hundreds of kilometers in length. Some (predominantly at lowand mid-latitude) are radar-bright and braided, resembling desert washes where fines have been removed by energetic surface liquid flow, presumably from methane rainstorms. Others (predominantly at high latitudes) are radar-dark and meandering and...

Target Detection and Ranging through Lossy Media using Chaotic Radar

A chaotic radar system has been developed for through-wall detection and ranging of targets. The chaotic signal generated by an improved Colpitts oscillator is designed as a probe signal. Ranging to target is achieved by the cross-correlation between the time-delayed reflected return signal and the replica of the transmitted chaotic signal. In this paper, we explore the performance of the chaot...