System and method for synthetic aperture radar mapping a...

G - Physics – 01 – S

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

G01S 13/90 (2006.01)

Patent

CA 2453963

A system and method for mapping a ground strip having an extended range swath includes a synthetic aperture radar (SAR) mounted on a moving platform. The ground strip is divided into columns they extend from the near-range edge of the ground strip. Each column contains two or more portions and has an azimuthal length equal to the radar's near-range beamwidth, W. Each column is sequentially illuminated while the platform moves through a distance, L illum, (equal to the near range beamwidth). During column illumination, portions within the column are sequentially mapped by altering the depression angle, .phi., of the radar beam. Each portion is SAR mapped using a respective SAR apertur a length with the sum of aperture lengths for the column being less than or equal to the distance the platform moves during illumination. The resultant maps are mosaicked together to produce one contiguous SAR map of the ground strip.

Un système et une méthode permettant de cartographier une bande de terrain à largeur de fauchée étendue comprennent un radar à synthèse d'ouverture (SAR) monté sur une plate-forme mobile. La bande de terrain est divisée en colonnes, chacune s'étendant depuis le bord rapproché (portée proximale) de la bande de terrain. Chaque colonne se compose de deux portions ou plus et a une longueur azimutale égale à la largeur de bande du radar à la portée proximale (W). Chaque colonne est éclairée consécutivement alors que la plate-forme se déplace sur une distance (L illum), qui est égale à la largeur de bande à la portée proximale. Pendant l'éclairage de la colonne, des portions de la colonne sont cartographiées consécutivement par modification de l'angle de dépression (.phi.) du faisceau radar. Chaque portion est cartographiée à l'aide du SAR selon sa propre longueur d'ouverture du SAR. La somme des longueurs d'ouverture pour la colonne est inférieure ou égale à la distance de déplacement de la plate-forme pendant l'éclairage. Les cartes qui en résultent forment ensemble une mosaïque qui permet de produire, par chevauchement, une carte SAR de la bande de terrain.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

System and method for synthetic aperture radar mapping a... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method for synthetic aperture radar mapping a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for synthetic aperture radar mapping a... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1458802

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.