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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Subjects RadarSignal processing. If you want to know more or withhold consent consult the privacy policy. Elaborazione del segnale radar Close. The altimetric data have been received from CO. The global elaboraxione of residuals at the first iteration is m and it decreases to the global mean at the last iteration of?

Go to the content. Franco Angeli Editore Cerca con Google. The total number of altimetric measurements processed is and they are not uniformly distributed in the 14 flybys: Il risultato dipende dalla formattazione della citazione. For each available flyby, we give its general description, as duration and the closest approach distance and time.

The standard deviation of the velocity ranges from a minimum of 6. The accuracy of our solution is limited by the altimetric measurement errors and by the a priori covariance matrix sengale applied radra the initial conditions of the natural bodies integrated.

Elaborazione del segnale radar ( edition) | Open Library

The second part is concerned with the fundamentals of orbit determination. In fact we proved that the standard deviation errors effectively decrease by the use of different a priori variance matrices. Le url contenute in alcuni riferimenti sono raggiungibili cliccando sul link alla fine della citazione Vai! Although our estimation has been made only for Titan and yields particular and local solutions, the results are fully satisfying.


Elaborazione del segnale radar

The minimum value of standard deviation of the estimated position is m, while the maximum value is 5. Check nearby libraries with: Results from the first Titan radar passes, IcarusCerca con Google.

Rarar Collana scientifica ;, 51, Collana scientifica Franco Angeli editore; Can you add one?

Meetingabstract P11D 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. T13 and T25 have the lowest numbers of observations so they are precessed but not included in results discussion.

Our research can be further extended to other mission scenarios in order to reach a better accuracy in the orbit determination of natural satellites by the means of altimetric data collected on board spacecrafts by radar or laser instruments. Number of pages You can now embed Open Library books on your website! Basic concepts of the radar theory and signal modulation are presented. 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: The third part is dedicated to the altimetric data used and to elborazione flybys during which they were collected by the Cassini RADAR.

It is the problem of determining the best de of the orbital parameters of a spacecraft or a celestial body, whose initial state is unknown, from observations influenced elaboarzione random and systematic errors, using a mathematical model that is not exact. These results come from astrometry, radiometric tracking and spacecraft imaging data and estimating all the major Saturnian satellites. RADAR 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: 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.


Last edited by IdentifierBot. Angeli in Milano, Italy.

Elaborazione del segnale radar Giovanni Picardi. Solo per lo Staff dell Archivio: Moreover we give tables that summarize the distribution over time of the altimetric observation sequence.

Classifications Dewey Decimal Class ART will be enriched by the consider covariance analysis module testing the impact of the introduction of the altimetric observations on the state estimation elaborazzione without having the real data.

Statistical orbit determination is the elabodazione of techniques that allows the estimation of the orbital parameters of a spacecraft or a celestial body during its motion in the Solar System. Poltronieri, Sara Determination of the orbit of Titan from Cassini. Edition Notes Includes bibliographical references and index. Share this book Facebook. Since the altimetric observation errors were not available, we have used a constant value for the weight of 80 m for elabborazione the observations corresponding to the maximum resolution value that the instrument achieves approximatively.

Astronautic and Satellite Science. More information and software credits.

Giovanni Picardi (Author of Elaborazione del segnale radar)

History Created April 1, 4 revisions Download catalog record: These techniques acquire information detecting and measuring changes that the object causes on the surrounding field potential, electromagnetic or acoustic field.

Buy this book Amazon. There’s no description for this book yet. The Physical Object Pagination p. Edit Last edited by IdentifierBot July 31, History 1 edition of Elaborazione del segnale radar found in the catalog.