ELABORAZIONE DEL SEGNALE RADAR PICARDI PDF

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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Results from the first Titan radar passes, IcarusCerca con Google.

Moreover, the Measurements Simulation part of SOSYA has been enriched the introduction of the module that creates synthetic altimetric measurements at given observation times set. The global mean of residuals at the first iteration is m and it decreases to the global mean at the last iteration of? Check nearby libraries with:.

Edit Last edited by IdentifierBot July 31, History 1 edition of Elaborazione del segnale radar found in the catalog. The third part is dedicated to the altimetric data used and to the flybys during which they were collected by the Cassini RADAR.

Giovanni Picardi (Author of Elaborazione del segnale radar)

Astronautic and Satellite Science. In ppicardi we proved that the standard deviation errors effectively decrease by the use of different a priori variance matrices. 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. Are you sure you want to remove Elaborazione del segnale radar from your list? Basic concepts of the radar theory and signal modulation are presented.

The altimetric data have been received from CO. More information and software credits. Volume 3, Volume 4, 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.

For each available flyby, we give its general description, as duration and the closest approach distance and time. 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.

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Elaborazione del segnale radar

There’s no description for this book yet. 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.

The standard deviation of the velocity ranges from a minimum of 6. By clicking on “Ok” you consent to the use of cookies. The mean of elaborazionr the rms values at first iteration is 4.

Elaborazione del segnale radar ( edition) | Open Library

Then by the use of Matlab, the states have been plotted in order to visualize the entire encounters in two different ways: Can you add one? July 31, History. The imaging mode is selected while the spacecraft altitude passes from km to its minimum value, then outbound observations are repeated in reverse order. This research can be divided in four parts.

Although our estimation has been made only for Titan and yields particular and local solutions, the results are fully satisfying. Solo per lo Staff dell Archivio: Last edited by IdentifierBot. The altimetric measurements simulation module will be improved by the introduction of the possibility of adding noise to the signal.

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Elaborazione del segnale radar Close. The second part is concerned with the fundamentals of orbit determination. Radar data acquisition is a type of remote sensing technique. Series Collana scientifica ;, 51, Collana scientifica Franco Angeli editore; Go to the content.

Move to the navigation Go to the site search Go to the menu Contacts Accessibility. 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.

These results come from astrometry, radiometric tracking and spacecraft imaging data and estimating all the major Saturnian satellites. 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. Bibliografia I riferimenti della bibliografia possono essere cercati con Cerca la citazione di AIREcopiando il titolo dell’articolo o del libro e la rivista se presente nei campi appositi di “Cerca la Citazione di AIRE”.

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The first part gives a brief introduction of the Cassini mission and a detailed description of the RADAR instrument on board the satellite with its features and scientific purposes. Check nearby libraries with: The accuracy of our solution is limited by the altimetric measurement errors and by the a priori covariance matrix values applied to the initial conditions of the natural bodies integrated.

Subjects RadarSignal processing. These techniques acquire information detecting and measuring changes that the object causes on the surrounding field potential, electromagnetic or acoustic field. The Physical Object Pagination p.

Then we give the detailed development of the geometrical observation model used to determine the altimetric measurement for the residuals computation at each observation time.

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. History Created April 1, 4 revisions Download catalog record: 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.

Angeli in Milano, Italy. Share this book Facebook. Number of pages Meetingabstract P11D Elaborazione del segnale radar metodologie ed applicazioni by Giovanni Picardi Published by F.