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1. 发明公开

EP4451011A1 WILDFIRE MONITORING METHODS AND SYSTEM 审中-实审
公开(公告)号：EP4451011A1
公开(公告)日：2024-10-23
申请号：EP23386029.5
申请日：2023-04-20
申请人： Iceye Oy
发明人： JOHNSY, Angel , KOURKOULI, Penelope , LAM, Duhane , WOLLERSHEIM, Michael
IPC分类号： G01S13/90 , G08B17/00
CPC分类号： G01S13/9023 , G01S13/9027 , G08B17/005
摘要： A method for monitoring wildfire progression is provided, comprising the steps: identifying an area (200) on the surface of Earth where a wildfire has started; instructing to acquire a first interferometric Synthetic Aperture Radar 'SAR' image pair of the area over a first observation period, wherein the wildfire remains active during the first observation period; receiving the first interferometric SAR image pair and creating an initial coherence map (600) based on the difference in phase of the first interferometric SAR image pair; determining, based on the initial coherence map (600), one or more areas of low coherence (601) indicative of a transition from a forested into a burnt area; instructing to acquire a second interferometric SAR image pair of the area over a second observation period, wherein the second observation period is subsequent the first observation period; receiving the second interferometric SAR image pair and creating a subsequent coherence map (610, 620, 630) based on the difference in phase of the second interferometric SAR image pair; and monitoring a change of the one or more areas of low coherence (601) based on the subsequent coherence map (610, 620, 630) indicative of a progression of the wildfire. Further, a ground station system for monitoring wildfire progression is provided.

2. 发明授权

EP4020013B1 REMOTE SENSING SYSTEM BASED ON SATELLITE FORMATION, AND CONSTELLATION SYSTEM 有权
公开(公告)号：EP4020013B1
公开(公告)日：2024-08-14
申请号：EP19943104.0
申请日：2019-11-29
IPC分类号： G01S13/90 , G01S13/88 , G01S19/29 , B64G1/10
CPC分类号： G01S13/87 , G01S13/9023 , G01S7/288 , G01S13/9058 , G01S13/9029 , B64G1/1021 , B64G1/1035

3. 发明授权

EP2404345B1 APPARATUS AND METHOD FOR MEASURING SPATIAL MOVEMENTS OF PLANT STRUCTURES 有权
公开(公告)号：EP2404345B1
公开(公告)日：2018-08-15
申请号：EP10705310.0
申请日：2010-02-18
申请人： ENI S.p.A.
发明人： DE LORENZO, Gianpietro , GIUNTA, Giuseppe
IPC分类号： H01Q1/18 , G01M5/00 , H01Q1/12 , G01S19/14 , G01S19/43 , G01S13/76 , G01S13/90
CPC分类号： G01M5/0058 , G01S13/767 , G01S13/9023 , G01S19/14 , G01S19/43 , H01Q1/125 , H01Q1/18
摘要： An apparatus and method for measuring spatial movements of plant structures, such as pipes, due for example to movement of the ground in presence of landslide phenomena, subsidence, collapse, or differential settling. The measuring apparatus includes at least one ground station that communicates with at least one corresponding signal-sending satellite station, the ground station being connected in a movable manner to a support constrainable in a fixed manner to the plant structure, the ground structure having an initial azimuthal orientation and an initial azimuthal height. The ground station is moved with respect to the support via a mechanism for adjusting the orientation and height of the same to compensate for an instantaneous orientation and height that are different from the initial orientation and height.

4. 发明公开

EP3229038A1 WAVELET DOMAIN INSAR INTERFEROMETRIC PHASE FILTERING METHOD IN COMBINATION WITH LOCAL FREQUENCY ESTIMATION 有权
标题翻译：结合局部频率估计的小波域干涉干涉相位滤波法
公开(公告)号：EP3229038A1
公开(公告)日：2017-10-11
申请号：EP15865192.7
申请日：2015-09-08
申请人： Institute of Electronics, Chinese Academy of Sciences
发明人： DING, Chibiao , LI, Fangfang , LEI, Bin , LIN, Xue , HU, Donghui , QIU, Xiaolan
IPC分类号： G01S7/02
CPC分类号： G01S13/9023
摘要： The present disclosure provides a method for InSAR interferometric phase filtering in a wavelet domain in conjunction with local frequency estimation. The method for InSAR interferometric phase filtering in a wavelet domain enables distinction of the useful information sub-bands from the noise sub-bands in the wavelet coefficients of the complex interferometric phase by using the local frequency estimation. With characteristics of the good noise removal performance for the general threshold shrinkage method and the strong detail maintenance capability for the neighborhood threshold shrinkage method, respectively, the neighborhood threshold shrinkage is performed on the wavelet coefficients of the sub-bands in which the useful information is located, while the general threshold shrinkage is performed on the wavelet coefficients of other sub-bands. In this way, the noise may be removed as much as possible, while the detail information of the interferometric fringes may be kept from being destroyed, thereby achieving a highly accurate interferometric phase filtering and providing foundations for the highly accurate interferometric measurement.
摘要翻译：本公开提供了一种用于结合本地频率估计的小波域中的InSAR干涉相位滤波的方法。用于小波域中的InSAR干涉相位滤波的方法使得能够通过使用本地频率估计来区分来自复合干涉相位的小波系数中的噪声子带的有用信息子带。针对一般阈值收缩方法具有良好的噪声去除性能和邻域阈值收缩方法具有较强的细节维护能力的特点，对有用信息为子带的小波系数进行邻域阈值收缩定位，而对其他子带的小波系数执行一般阈值缩小。以这种方式，尽可能多地去除噪声，同时可以防止干涉条纹的细节信息被破坏，由此实现高度精确的干涉相位滤波并且为高精度干涉测量提供基础。

5. 发明授权

EP2330435B1 Method to generate airport obstruction charts based on a data fusion between interferometric data using synthetic aperture radars positioned on spaceborne platforms and other types of data acquired by remote sensors 有权转让
标题翻译：一种用于生产基于数据的融合机场障碍物卡（AOC）的过程的基于卫星的干涉SAR和从远程传感器的其它数据
公开(公告)号：EP2330435B1
公开(公告)日：2015-09-16
申请号：EP10398007.4
申请日：2010-10-19
申请人： Ana-Aeroportos de Portugal, S.A.
发明人： Fernandes Rodrigues, Marco Alexandre , Monteiro Oliveira, Henrique José
IPC分类号： G01S13/90 , G01C15/00
CPC分类号： G01S13/9023

6. 发明公开

EP2784537A1 Inversion method and apparatus based on polarimetric interferometric synthetic aperture radar 有权
标题翻译：根据一个极化干涉合成孔径雷达反转处理和设备
公开(公告)号：EP2784537A1
公开(公告)日：2014-10-01
申请号：EP14162311.6
申请日：2014-03-28
申请人： Institute of Electronics, Chinese Academy of Sciences
发明人： Deng, Yunkai , Xu, Liying , Wang, Yu , Wang, Chuncle , Yu, Weidong , Zhang, Zhimin , Zhao, Fengjun , Ni, Jiang
IPC分类号： G01S13/90
CPC分类号： G01S13/9023 , G01S13/9035 , G01S2013/9076
摘要： An inversion method based on Polarimetric Interferometric Synthetic Aperture Radar (PoLInSAR) is provided, which includes: acquiring a set of PoLInSAR image data of an object to be measured, and performing line fitting on a correlation coefficient estimation value acquired from the PoLInSAR image data by using total least squares to determine a ground surface phase estimation value of the object to be measured; acquiring a volume scattering decorrelation coefficient through a correlation regional boundary acquired from the PoLInSAR image data and a fitted line; performing inversion on the object to be measured by establishing a lookup table to acquire an inversion parameter of the object to be measured as a parameter estimation value of the object to be measured. An inversion apparatus based on Polarimetric Interferometric Synthetic Aperture Radar (PoLInSAR) is provided accordingly. By adopting technical solutions of the disclosure, inversion precision can be improved, and the technical solutions of the disclosure are particularly applicable to the inversion of a forest parameter.
摘要翻译：提供了一种基于极化干涉合成孔径雷达（极化干涉SAR）的反转方法，该方法包括：获取一组对象的极化干涉SAR图像数据的要被测量，并通过由PoLInSAR的imageData中获取的相关系数估计值进行直线拟合利用整体最小二乘确定性矿对象的地表相位估计值被测量; 获取体积通过由PoLInSAR图像数据和拟合线获取的相关区域边界散射去相关系数; 在对象上执行反通过建立的查找表以获取在所述物体的反转参数被测定作为对象的参数估计值进行测量来测量。相应地提供了一种基于极化干涉合成孔径雷达（极化干涉SAR）的反转装置。通过采用本发明的技术方案，反演精度可以得到改善，并且本公开的技术方案是特别适用于森林参数的反转。

7. 发明公开

EP2585850A1 APPARATUS FOR MEASURING THE EARTH SURFACE MOVEMENT BY MEANS OF SAR IMAGES WITH AT LEAST ONE ELECTROMAGNETIC WAVE REFLECTOR 失效转让
标题翻译：用于测量SAR图像ERDOBERFLÄCHENBEWEGUNG基础上与至少一个电磁反射体
公开(公告)号：EP2585850A1
公开(公告)日：2013-05-01
申请号：EP11725104.1
申请日：2011-06-16
申请人： Tele-Rilevamento Europa - T.R.E. Srl
发明人： TAMBURINI, Andrea , BIANCHI, Marco
IPC分类号： G01S13/90
CPC分类号： G01S13/90 , G01S13/9023 , H01Q15/18
摘要： An apparatus is described for measuring the earth surface movement by means of SAR images; the apparatus comprises at least one SAR radar (10) placed on a satellite or on an aeroplane and at least one electromagnetic wave reflector (1) placed on an earth surface portion to be measured. The at least one SAR radar comprises means (11) for transmitting an electro-magnetic signal (60) onto said reflector and means (12) for acquiring the electromagnetic signal (61) reflected from the reflector; said SAR radar is adapted to acquire reflected signals along ascendant (50) and descendant (51) orbits. The reflector comprises, in a single piece, a first trihedron (2) configured for reflecting the signal transmitted by the SAR radar along ascendant orbits (50) and a second trihedron (3) configured for reflecting the signal transmitted by the SAR radar along descendant orbits (51).

8. 发明公开

EP2359159A1 SAR RADAR SYSTEM 有权
标题翻译： SAR雷达系统
公开(公告)号：EP2359159A1
公开(公告)日：2011-08-24
申请号：EP08878158.8
申请日：2008-11-11
申请人： Saab AB
发明人： HELLSTEN, Hans
IPC分类号： G01S13/90
CPC分类号： G01S13/9029 , G01S13/72 , G01S13/9017 , G01S13/9023
摘要： The invention provides a method for detecting targets comprising moving and stationary targets with a radar system equipped with Synthetic Aperture Radar, SAR, on board a SAR platform, comprising navigation equipment for accurate determination of the position of the SAR platform. The SAR platform is transversing a stationary ground region and targets in the said ground region, in which the SAR platform obtains radar data by means of at least one antenna. The radar system further comprises a SAR processor recording the radar data and the position of the antenna or antennas for each transmitted radar pulse. Wherein radar data within synthetic sub-apertures, are : successively merged in Niteration steps into SAR images of increasing resolution of the surveyed region and where each iteration step consists of forming a new SAR image at a new iteration level by a linear combination of neighbouring SAR images in the previous iteration step. The invention also provides a corresponding radar system and a SAR processor is further used for calculating the detection and positioning of targets comprising moving and stationary targets.

9. 发明授权

EP1746437B1 Synthetik-Apertur-Radar(SAR)-System 有权
标题翻译：合成孔径雷达（SAR）系统
公开(公告)号：EP1746437B1
公开(公告)日：2008-09-03
申请号：EP06015227.9
申请日：2006-07-21
申请人： Deutsches Zentrum für Luft- und Raumfahrt e.V.
发明人： Runge, Hartmut, Dipl.-Ing. , Eineder, Michael, Dr.
IPC分类号： G01S13/90
CPC分类号： G01S13/9023

10. 发明授权

EP1522871B1 Radar à formation de voies d'écartométrie synthétiques 失效
标题翻译：雷达与合成Peilkanälen
公开(公告)号：EP1522871B1
公开(公告)日：2007-02-21
申请号：EP04104886.9
申请日：2004-10-05
申请人： Thales
发明人： CORNIC, Pascal , ARTIS, Jean-Paul , LE BIHAN, Patrick , KEMKEMIAN, Stéphane
IPC分类号： G01S13/00
CPC分类号： G01S13/449 , G01S13/5242 , G01S13/9023 , G01S13/9029

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