Giovanni Picardi is the author of Elaborazione del segnale radar ( avg rating, 0 ratings, 0 reviews, published ). Abstract (en). A method of filtering SAR images obtained with a Synthetic Aperture Radar (SAR) from the speckle noise is described, said. : Elaborazione del segnale radar: Metodologie ed applicazioni ( Collana scientifica) (Italian Edition) () by Giovanni Picardi and a .

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The imaging mode is selected while the spacecraft altitude passes from km to its minimum value, then outbound observations are repeated in reverse order.

Determination of the orbit of Titan from Cassini. Altimeter data – [email protected]

For each available flyby, we give its general description, as duration and the closest approach distance and time. The minimum value of standard deviation of the estimated position is m, while the maximum value is 5. The Physical Object Pagination p. It is the problem of determining the best estimate of the orbital parameters of a spacecraft or a celestial body, whose initial state is unknown, from observations influenced by random and systematic errors, using a mathematical model that is not exact.

These techniques acquire information detecting and measuring changes that the object causes on the surrounding field potential, electromagnetic or acoustic field. Subjects RadarSignal processing. Results from the first Titan radar passes, IcarusCerca con Google. The total number of altimetric measurements processed is and they are not uniformly distributed in the 14 flybys: Elaborazione del segnale radar metodologie ed applicazioni by Giovanni Picardi Published by F.

The global mean of residuals at the first iteration is m and it decreases to the global mean at the last iteration of? Solo per lo Staff dell Archivio: Statistical orbit determination is the set of techniques that allows the estimation of the orbital parameters of a spacecraft or a celestial body during its motion in the Solar System.


If you want to know more or withhold consent consult the privacy policy. In fact, radar altimetry involves bouncing microwave pulses off the surface of the target body and measuring the time it takes the echo to return to the spacecraft.

Elaborazione del segnale radar

In addition, the resulting accuracy of the estimation is due to the short orbital arcs considered in the orbit determination process over which the measurements are taken. Franco Angeli Editore Cerca con Google. ART will be enriched by the consider covariance analysis module testing the impact of the introduction of the altimetric observations on the state estimation process without having the real data.

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These results come from astrometry, radiometric tracking and spacecraft imaging data and estimating all the major Saturnian satellites. Volume 3, Volume 4, Basic concepts of the radar theory and signal modulation are presented.

Copy and paste this code into your Wikipedia page. The second part is concerned with the fundamentals of orbit determination.

Global Search Type of searches: Prefer the physical book? The standard deviation of elaborazuone velocity ranges from a minimum of 6. Share this book Facebook.

Jacobson [8] obtained 1- uncertainties for Titan of 40 km along R, km along T and 50 km along N. Il risultato dipende dalla formattazione della citazione.

Since the altimetric observation errors were not available, we have used a constant value for the weight of 80 m for all the observations corresponding to the maximum resolution value that the instrument achieves approximatively.

Elaborazione del segnale radar ( edition) | Open Library

You might also like. Angeli in Milano, Italy. Poltronieri, Sara Determination of the orbit of Titan from Cassini. Series Collana scientifica ;, 51, Collana scientifica Franco Angeli editore; Edition Notes Includes bibliographical references and index.


The first part gives a brief introduction of the Cassini mission and a detailed description of the RADAR instrument on board elaborqzione satellite with its features and scientific purposes. This site uses cookies only technical and analytics, own and of third parties, for the proper functioning of the web pages and for the improvement of services.

Radar data acquisition is a type of remote sensing technique. The third part is dedicated to the altimetric data used and to the flybys during which they were collected by the Cassini RADAR. Bibliografia I rzdar della bibliografia possono essere cercati con Cerca la citazione di AIREcopiando il segnael dell’articolo o del libro e la rivista se presente nei campi appositi di “Cerca la Citazione di AIRE”.

Are you sure you want to remove Elaborazione del segnale radar from your list? Moreover we give tables that summarize the distribution over time of the altimetric observation sequence. Deel is a multimode instrument that uses the five beam antenna feed assembly associated with the spacecraft high gain antenna to transmit and receive electromagnetic radiation according to different operative modes: The mean of all the rms values at first iteration is 4.

In order to give a description of the flybys used in the Orbit Determination process, we implemented a simple SPICE-based routine that reads the ephemeris files and gives three output files containing respectively: There’s no description for this rwdar yet.