| 54 |
Titel |
TI |
[DE] VERFAHREN ZUR VERARBEITUNG VON TOPS (TERRAIN OBSERVATION BY PROGRESSIVE SCAN) -SAR (SYNTHETIC APERTURE RADAR) -ROHDATEN
[EN] METHOD FOR PROCESSING TOPS (TERRAIN OBSERVATION BY PROGRESSIVE SCAN) - SAR (SYNTHETIC APERTURE RADAR) - RAW DATA
[FR] PROCÉDÉ DE TRAITEMENT DE DONNÉES BRUTES D'UN SAR (SYNTHETIC APERTURE RADAR - RADAR À OUVERTURE SYNTHÉTIQUE) DE TOPS (TERRAIN OBSERVATION BY PROGRESSIVE SCAN - OBSERVATION DU TERRAIN PAR BALAYAGE PROGRESSIF) |
| 71/73 |
Anmelder/Inhaber |
PA |
DEUTSCH ZENTR LUFT & RAUMFAHRT, DE
|
| 72 |
Erfinder |
IN |
MITTERMAYER JOSEF, DE
;
MOREIRA ALBERTO, DE
;
PRATS PAU, DE
;
SCHEIBER ROLF, DE
|
| 22/96 |
Anmeldedatum |
AD |
26.06.2008 |
| 21 |
Anmeldenummer |
AN |
08784550 |
|
Anmeldeland |
AC |
EP |
|
Veröffentlichungsdatum |
PUB |
20.10.2010 |
33
31
32 |
Priorität |
PRC
PRN
PRD |
DE
102007031020
04.07.2007
|
33
31
32 |
PRC
PRN
PRD |
EP
2008005180
26.06.2008
|
| 51 |
IPC-Hauptklasse |
ICM |
G01S 13/90
(2006.01)
|
| 51 |
IPC-Nebenklasse |
ICS |
|
|
IPC-Zusatzklasse |
ICA |
|
|
IPC-Indexklasse |
ICI |
|
|
Gemeinsame Patentklassifikation |
CPC |
G01S 13/904
G01S 13/9056
G01S 13/9094
|
|
MCD-Hauptklasse |
MCM |
G01S 13/90
(2006.01)
|
|
MCD-Nebenklasse |
MCS |
|
|
MCD-Zusatzklasse |
MCA |
|
| 57 |
Zusammenfassung |
AB |
[EN] Sub-aperture processing is carried out. Within each sub-aperture, range compression and a correction for the target range variation are carried out. Baseband azimuth scaling is used for processing the azimuth signal, wherein a long azimuth reference function and thus a wide azimuth dimension are prevented. The scaling range is not constant and depends on the range, which is not equal to the original range vector. It is calculated such that, in combination with a subsequent derotation step, constant azimuth scanning is achieved for all ranges. The selected derotation function, which is applied in the azimuth time domain, makes it possible for all the targets to be in base band, in this way varying the effective chirp rate. Since the phase is purely quadratic because of the azimuth scaling step, it is thus possible to use an optimal filter which takes account of the effective chirp rate. IFFT results in a focused image, and a final phase function in the time domain allows phase maintenance. Application for SAR, SONAR and seismic raw data processing in the TOPS mode, as well as other modes which make use of the antenna polar diagram being scanned in the azimuth and/or elevation direction. |
| 56 |
Entgegengehaltene Patentdokumente/Zitate,
in Recherche ermittelt |
CT |
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| 56 |
Entgegengehaltene Patentdokumente/Zitate,
vom Anmelder genannt |
CT |
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| 56 |
Entgegengehaltene Nichtpatentliteratur/Zitate,
in Recherche ermittelt |
CTNP |
|
| 56 |
Entgegengehaltene Nichtpatentliteratur/Zitate,
vom Anmelder genannt |
CTNP |
|
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