AT527372A3 - Method for determining the relative vertical deformation of an object to be examined - Google Patents
Method for determining the relative vertical deformation of an object to be examined Download PDFInfo
- Publication number
- AT527372A3 AT527372A3 ATA50625/2023A AT506252023A AT527372A3 AT 527372 A3 AT527372 A3 AT 527372A3 AT 506252023 A AT506252023 A AT 506252023A AT 527372 A3 AT527372 A3 AT 527372A3
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- examined
- los
- determining
- change
- recording times
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
- G01S13/9021—SAR image post-processing techniques
- G01S13/9023—SAR image post-processing techniques combined with interferometric techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
- G01S13/9021—SAR image post-processing techniques
- G01S13/9027—Pattern recognition for feature extraction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
- G01S13/9021—SAR image post-processing techniques
- G01S13/9029—SAR image post-processing techniques specially adapted for moving target detection within a single SAR image or within multiple SAR images taken at the same time
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Radar Systems Or Details Thereof (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Verfahren zur Ermittlung der relativen Vertikalverformung ∆dup eines zu untersuchenden Objekts (Ob), insbesondere eines Bauwerks, vorzugweise einer Brücke, innerhalb einer Zeitspanne zwischen zeitlich aufeinanderfolgenden Aufnahmezeitpunkten (t1, t2) basierend auf von zumindest einem Flugobjekt gemessenen Interferometric Synthetic Aperture Radar (InSAR-)Daten, -wobei sich das zumindest eine Flugobjekt auf einer Flugbahn in einer Flugrichtung wiederholt in zeitlichem Abstand über das zu untersuchende Objekt (Ob) bewegt und währenddessen entlang einer Blickrichtung (LOS) InSAR-Daten aufnimmt, -wobei basierend auf den aufgenommenen InSAR-Daten Interferogramme erstellt werden, und -wobei zumindest zwei Persistent Scatterer (PS-)Punkte (P1, P2) auf dem zu untersuchenden Objekt (Ob) als Pixel ermittelt werden, die über eine Folge von Interferogrammen kohärent bleiben, umfassend die folgenden Schritte: -Ermitteln der Veränderung der Phase in Blickrichtung (LOS) mit dem zugehörigen Einfallswinkel θi zwischen der Blickrichtung (LOS) und der Nadirrichtung (Nad) und dem zugehörigen Winkel αALD zwischen der auf eine horizontale Fläche projizierten Blickrichtung (LOS) und der geographischen Nordrichtung (N) für die zumindest zwei PS-Punkte auf dem zu untersuchenden Objekt (Ob) basierend auf zu zumindest zwei Aufnahmezeitpunkten (t1, t2) erstellten Interferogrammen, -Ableiten der differenziellen Verformungsänderung ∆dLOS des zu untersuchenden Objekts (Ob) in der Blickrichtung (LOS) des Flugobjekts zwischen den Aufnahmezeitpunkten (t1, t2) basierend auf der ermittelten Veränderung der Phase, insbesondere nach Korrektur von Fehlern bedingt durch Phasensprünge, -Durchführen einer Koordinatentransformation der differenziellen Verformungsänderung ∆dLOS in die Richtung des zu untersuchenden Objekts (Ob), wobei die horizontalen Bewegungskomponenten (∆dE, ∆dN) der differenziellen Verformungsänderung ∆dLOS auf die Längs- und die Querrichtung des zu untersuchenden Objekts (Ob) projiziert werden, insbesondere unter Heranziehung des Winkel αOb zwischen der auf eine horizontale Fläche projizierten Längsachse des Objekts und der geographischen Nordrichtung, -Ermittlung der Temperatur, insbesondere der Temperatur des zu untersuchenden Objekts (Ob), insbesondere als Schätzwert und/oder durch Messung, -Ermittlung der zwischen den Aufnahmezeitpunkten (t1, t2) aufgetretenen relativen Differenzverformung ∆dLong in Längsrichtung des zu untersuchenden Objekts (Ob) zwischen den, den PS-Punkten entsprechenden, Betrachtungspunkten (P1, P2) auf dem zu untersuchenden Objekt (Ob) unter Berücksichtigung der ermittelten Temperatur, und -Berechnung der relativen Vertikalverformung ∆dup des zu untersuchenden Objekts (Ob) zwischen den Aufnahmezeitpunkten (t1, t2) unter Heranziehung der zuvor ermittelten relativen Differenzverformung ∆dLong in Längsrichtung und der differenziellen Verformungsänderung ∆dLOS.Method for determining the relative vertical deformation ∆dup of an object (Ob) to be examined, in particular a structure, preferably a bridge, within a time period between temporally successive recording times (t1, t2) based on interferometric synthetic aperture radar (InSAR) data measured by at least one flying object, -wherein the at least one flying object moves on a flight path in a flight direction repeatedly at a time interval over the object (Ob) to be examined and during this time records InSAR data along a viewing direction (LOS), -wherein interferograms are created based on the recorded InSAR data, and -wherein at least two persistent scatterer (PS) points (P1, P2) on the object (Ob) to be examined are determined as pixels that remain coherent over a sequence of interferograms, comprising the following steps: -determining the change in the phase in the viewing direction (LOS) with the associated angle of incidence θi between the viewing direction (LOS) and the nadir direction (Nad) and the associated angle αALD between the viewing direction (LOS) projected onto a horizontal surface and the geographic north direction (N) for the at least two PS points on the object to be examined (Ob) based on interferograms created at at least two recording times (t1, t2), -deriving the differential deformation change ∆dLOS of the object to be examined (Ob) in the viewing direction (LOS) of the flying object between the recording times (t1, t2) based on the determined change in phase, in particular after correcting errors caused by phase jumps, -carrying out a coordinate transformation of the differential deformation change ∆dLOS in the direction of the object to be examined (Ob), wherein the horizontal movement components (∆dE, ∆dN) of the differential deformation change ∆dLOS are applied to the longitudinal and transverse directions of the object to be examined. object to be examined (Ob), in particular using the angle αOb between the longitudinal axis of the object projected onto a horizontal surface and the geographic north direction, -determining the temperature, in particular the temperature of the object to be examined (Ob), in particular as an estimated value and/or by measurement, -determining the relative differential deformation ∆dLong in the longitudinal direction of the object to be examined (Ob) that occurred between the recording times (t1, t2) between the viewing points (P1, P2) corresponding to the PS points on the object to be examined (Ob), taking into account the determined temperature, and -calculating the relative vertical deformation ∆dup of the object to be examined (Ob) between the recording times (t1, t2) using the previously determined relative differential deformation ∆dLong in the longitudinal direction and the differential deformation change ∆dLOS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24175895.2A EP4465090A1 (en) | 2023-05-16 | 2024-05-15 | Method for determining the relative vertical deformation of an object to be examined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT503822023 | 2023-05-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| AT527372A3 true AT527372A3 (en) | 2024-12-15 |
| AT527372A2 AT527372A2 (en) | 2024-12-15 |
| AT527372B1 AT527372B1 (en) | 2025-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ATA50625/2023A AT527372B1 (en) | 2023-05-16 | 2023-08-03 | Method for determining the relative vertical deformation of an object to be examined |
Country Status (1)
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| AT (1) | AT527372B1 (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150323666A1 (en) * | 2014-05-09 | 2015-11-12 | Nec Corporation | Change detection device, change detection method and recording medium |
| CN106772377A (en) * | 2017-01-18 | 2017-05-31 | 深圳市路桥建设集团有限公司 | A kind of building deformation monitoring method based on InSAR |
| CN106940443A (en) * | 2017-01-16 | 2017-07-11 | 洪都天顺（深圳）科技有限公司 | Complicated city infrastructure PSInSAR deformation methods of estimation under the conditions of cloud-prone and raining |
| CN107329140A (en) * | 2017-07-28 | 2017-11-07 | 安徽威德萨科技有限公司 | A kind of road and bridge holistic health monitoring method |
| DE102016208508A1 (en) * | 2016-05-18 | 2017-11-23 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Angle reflector device with adjustable height ambiguity for SAR applications |
| CN107621636A (en) * | 2017-11-13 | 2018-01-23 | 河海大学 | A method for health monitoring of large railway bridges based on PSI |
| CN109991601A (en) * | 2018-11-29 | 2019-07-09 | 北京东方至远科技股份有限公司 | A kind of house methods of risk assessment based on PS-InSAR technology |
| CN110174044A (en) * | 2019-04-16 | 2019-08-27 | 中国矿业大学 | A method of the bridge length travel deformation monitoring based on PSI technology |
| CN110456345A (en) * | 2019-06-28 | 2019-11-15 | 深圳市水务规划设计院股份有限公司 | A kind of building inclination monitoring method based on InSAR technology |
| CN112284332A (en) * | 2020-08-31 | 2021-01-29 | 北京四象爱数科技有限公司 | High-rise building settlement monitoring result three-dimensional positioning method based on high-resolution INSAR |
| CN113093184A (en) * | 2021-03-31 | 2021-07-09 | 电子科技大学 | Interferometric measurement method based on video synthetic aperture radar |
| CN113933832A (en) * | 2021-10-15 | 2022-01-14 | 云南电网有限责任公司输电分公司 | A method for monitoring the tilt of transmission towers based on spaceborne synthetic aperture radar interferometry |
| CN114706074A (en) * | 2022-01-06 | 2022-07-05 | 姚鑫 | A 3D surface deformation InSAR measurement method based on 2D observation 2T3D-InSAR |
| WO2022214114A2 (en) * | 2021-08-10 | 2022-10-13 | 中咨数据有限公司 | Bridge deformation monitoring method fusing gnss data and insar technology |
| CN115494501A (en) * | 2022-09-29 | 2022-12-20 | 南宁市勘测设计院集团有限公司 | Urban infrastructure deformation monitoring method based on high-resolution PS-InSAR |
| CN113238228B (en) * | 2021-05-10 | 2023-03-10 | 首都师范大学 | Method, system and device for acquiring 3D surface deformation based on horizontal constraints |
-
2023
- 2023-08-03 AT ATA50625/2023A patent/AT527372B1/en active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150323666A1 (en) * | 2014-05-09 | 2015-11-12 | Nec Corporation | Change detection device, change detection method and recording medium |
| DE102016208508A1 (en) * | 2016-05-18 | 2017-11-23 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Angle reflector device with adjustable height ambiguity for SAR applications |
| CN106940443A (en) * | 2017-01-16 | 2017-07-11 | 洪都天顺（深圳）科技有限公司 | Complicated city infrastructure PSInSAR deformation methods of estimation under the conditions of cloud-prone and raining |
| CN106772377A (en) * | 2017-01-18 | 2017-05-31 | 深圳市路桥建设集团有限公司 | A kind of building deformation monitoring method based on InSAR |
| CN107329140A (en) * | 2017-07-28 | 2017-11-07 | 安徽威德萨科技有限公司 | A kind of road and bridge holistic health monitoring method |
| CN107621636A (en) * | 2017-11-13 | 2018-01-23 | 河海大学 | A method for health monitoring of large railway bridges based on PSI |
| CN109991601A (en) * | 2018-11-29 | 2019-07-09 | 北京东方至远科技股份有限公司 | A kind of house methods of risk assessment based on PS-InSAR technology |
| CN110174044A (en) * | 2019-04-16 | 2019-08-27 | 中国矿业大学 | A method of the bridge length travel deformation monitoring based on PSI technology |
| CN110456345A (en) * | 2019-06-28 | 2019-11-15 | 深圳市水务规划设计院股份有限公司 | A kind of building inclination monitoring method based on InSAR technology |
| CN112284332A (en) * | 2020-08-31 | 2021-01-29 | 北京四象爱数科技有限公司 | High-rise building settlement monitoring result three-dimensional positioning method based on high-resolution INSAR |
| CN113093184A (en) * | 2021-03-31 | 2021-07-09 | 电子科技大学 | Interferometric measurement method based on video synthetic aperture radar |
| CN113238228B (en) * | 2021-05-10 | 2023-03-10 | 首都师范大学 | Method, system and device for acquiring 3D surface deformation based on horizontal constraints |
| WO2022214114A2 (en) * | 2021-08-10 | 2022-10-13 | 中咨数据有限公司 | Bridge deformation monitoring method fusing gnss data and insar technology |
| CN113933832A (en) * | 2021-10-15 | 2022-01-14 | 云南电网有限责任公司输电分公司 | A method for monitoring the tilt of transmission towers based on spaceborne synthetic aperture radar interferometry |
| CN114706074A (en) * | 2022-01-06 | 2022-07-05 | 姚鑫 | A 3D surface deformation InSAR measurement method based on 2D observation 2T3D-InSAR |
| CN115494501A (en) * | 2022-09-29 | 2022-12-20 | 南宁市勘测设计院集团有限公司 | Urban infrastructure deformation monitoring method based on high-resolution PS-InSAR |
Also Published As
| Publication number | Publication date |
|---|---|
| AT527372B1 (en) | 2025-03-15 |
| AT527372A2 (en) | 2024-12-15 |
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| Date | Code | Title | Description |
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| HA | Change or addition of new inventor |
Inventor name: PHILIP LEOPOLD, AT Effective date: 20250331 Inventor name: ALOIS VORWAGNER, AT Effective date: 20250331 Inventor name: MACIEJ KWAPISZ, AT Effective date: 20250331 |