Patents by Inventor Gerhard Hamberger
Gerhard Hamberger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11933912Abstract: A test system for testing a radar sensor comprising a test chamber for encompassing a radar sensor to be tested. A test location is provided within the test chamber on which the radar sensor to be tested is placed for testing. Further, the test system comprises at least one antenna unit and at least one first radar target simulator connected to the antenna unit. The test system also comprises at least one antenna array different to the antenna unit and at least one second radar target simulator connected to the antenna array.Type: GrantFiled: April 29, 2020Date of Patent: March 19, 2024Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard Hamberger, Matthias Beer, Benoit Derat
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Patent number: 11936108Abstract: An RCS reduction surface for reducing a radar cross section of an object is described. The RCS reduction surface comprises at least one absorber portion, wherein the absorber portion is configured to absorb radar waves. The RCS reduction surface further comprises at least one reflecting portion, wherein the reflecting portion is configured to reflect radar waves. A first plane being associated with a top surface of the absorber portion and a second plane being associated with a top surface of the reflecting portion are spaced from each other by a predefined distance. The predefined distance is configured such that radar waves with a predefined wavelength range that are reflected at the absorber portion and at the surface of the reflecting portion interfere destructively with each other. Further, an RCS reduction member and a radar test system are described.Type: GrantFiled: June 23, 2021Date of Patent: March 19, 2024Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard Hamberger, Steffen Neidhardt, Frank Gumbmann, Maximilian Bogner, Benedikt Simper, Matthias Beer
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Publication number: 20240080430Abstract: The invention relates to a system (10) for imaging a body (11) of a person. The system (1) comprises a sensor unit (12) configured to capture first imaging data of the body, wherein the sensor unit (12) comprises an optical camera and/or an infrared camera and/or an acoustic imaging sensor; an electromagnetic, EM, wave scanner (14) configured to capture second imaging data of the body, wherein the EM wave scanner comprises a plurality of antennas (15) which are configured to transmit EM radiation in a mm and/or cm range towards the body (11), and to receive a reflection of said EM radiation from the body (11); and a processing unit (16) which is configured to process the first imaging data and the second imaging data and to generate a three-dimensional image (33) of the body (11) based on said processing.Type: ApplicationFiled: June 29, 2023Publication date: March 7, 2024Inventors: Christian EVERS, Frank GUMBMANN, Marius BRINKMANN, Gerhard HAMBERGER
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Patent number: 11914070Abstract: A radar target simulator front end, configured to simulate at least one radar target for testing a radar device under test is provided. The radar target simulator front end comprises at least two antenna units, arranged along a first angle under investigation. The at least two antenna units are configured to be selectively activated and deactivated. Whereby each antenna unit of the at least two antenna units generates a simulated radar target along the first angle under investigation, when activated.Type: GrantFiled: May 29, 2020Date of Patent: February 27, 2024Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard Hamberger, Matthias Beer, Steffen Neidhardt, Maximilian Bogner, Benedikt Simper
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Publication number: 20230341533Abstract: A LiDAR test system for testing a LiDAR device under test is described. The LiDAR test system includes an optical module and a target simulator. The LiDAR device under test has a predetermined field of view. The optical module is configured to redirect a LiDAR signal emitted by the LiDAR device under test from a predetermined portion of the field of view to the target simulator, wherein the predetermined portion is adaptable. The target simulator includes a receiver configured to receive the LiDAR signal redirected by the optical module. The target simulator includes a manipulation unit configured to manipulate the received LiDAR signal, thereby generating a manipulated LiDAR signal. The target simulator further includes an emitter configured to emit the manipulated LiDAR signal.Type: ApplicationFiled: February 24, 2023Publication date: October 26, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Marius Brinkmann, Benedikt Simper, Gerhard Hamberger, Gerald Zahlheimer
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Publication number: 20230305107Abstract: The invention relates to a radar test system (10) for testing a device-under-test, DUT (11), comprising an antenna array (13), wherein the antenna array (13) comprises: at least two RX antennas (RX1-4) having a different antenna polarization and at least one TX antenna (TX1-4), or at least two TX antennas (TX1-4) having a different antenna polarization and at least one RX antenna (RX1-4). The radar test system (10) further comprises a selection module (15) configured to select one RX antenna and one TX antenna of the antenna array (13) and to connect the selected RX antenna with the selected TX antenna, wherein the selected RX antenna is configured to receive a radar signal from the DUT (11), and wherein the selected TX antenna is configured to transmit a response signal to the DUT (11).Type: ApplicationFiled: December 28, 2022Publication date: September 28, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard HAMBERGER, Matthias BEER, Steffen NEIDHARDT, Maximilian BOGNER, Benedikt SIMPER, Marius BRINKMANN
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Publication number: 20230128858Abstract: The present disclosure generally relates to a multistatic radar system and a method for a spatially resolved detection of an object under test. The multistatic radar system includes an at least two-dimensional multistatic array of antenna elements having an at least partially shared coverage area. At least one data processing circuit is coupled to the array. Analog and/or digital beamforming is performed thereby obtaining at least one image of the object under test at least partially being located within the shared coverage area. Processing the image obtained is used to resolve at least one scattering center of the object under test. A spatially resolved scattering center distribution is determined based on the image obtained.Type: ApplicationFiled: October 21, 2021Publication date: April 27, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Matthias Beer, Marius Brinkmann, Gerhard Hamberger
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Publication number: 20230038708Abstract: An absorber device for absorbing signals is described. The absorber device has a housing with inner sides having an absorbing material. The housing is adaptable with regard to its geometry. The absorber device is portable. Moreover, a test system for testing radio frequency characteristics of a device under test is described.Type: ApplicationFiled: August 5, 2021Publication date: February 9, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Steffen Neidhardt, Gerhard Hamberger, Michael Freissl, Maximilian Bogner, Matthias Beer
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Publication number: 20220107389Abstract: A radar target simulator with no lower target distance limitation and continuous distance emulation is provided. Said radar target simulator comprises a receiving unit configured to receive a radar signal from a radar under test and to provide a corresponding receive signal, and a ramp slope estimating unit. In this context, the ramp slope estimating unit is configured to track the ramp slope of the radar under test on the basis of the receive signal.Type: ApplicationFiled: October 26, 2020Publication date: April 7, 2022Inventors: Christoph BIRKENHAUER, Gerhard HAMBERGER, Matthias BEER, Maximilian BOGNER, Steffen NEIDHARDT, Benedikt SIMPER, Marius BRINKMANN, Christian CARLOWITZ, Patrick STIEF, Georg Körner
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Publication number: 20220099824Abstract: A radar target simulation system for simulating at least one radar target is disclosed. The radar target simulation system includes a processing circuit and an antenna array that is connected with the processing circuit. The antenna array is configured to receive a radar signal from a device under test, thereby generating an input signal. The processing circuit is configured to receive the input signal generated by the antenna array. The processing circuit is configured to simulate the at least one radar target based on the input signal. The processing circuit further is configured to simulate at least one additional event, wherein the at least one additional event is associated with at least one of the at least one radar target and an environment of the at least one radar target. The processing circuit is configured to generate an output signal for the antenna array based on the simulation of the at least one radar target and based on the simulation of the at least one additional event.Type: ApplicationFiled: September 25, 2020Publication date: March 31, 2022Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Matthias Beer, Steffen Neidhardt, Maximilian Bogner, Benedikt Simper, Gerhard Hamberger
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Publication number: 20220082695Abstract: An imaging system for material characterization of a sample is provided. Said imaging system comprises at least two imaging arrays configured to form at least one imaging array pair. In this context, the imaging system is configured to perform at least one reflection measurement with the aid of at least one imaging array. Furthermore, the imaging system is configured to perform at least one transmission measurement with the aid of the at least one imaging array pair. In addition to this, the imaging system is configured to determine material characteristics of the sample on the basis of the at least one reflection measurement and/or the at least one transmission measurement.Type: ApplicationFiled: October 8, 2020Publication date: March 17, 2022Inventors: Frank GUMBMANN, Benedikt SIMPER, Gerhard HAMBERGER, Andreas VON LOESECKE, Matthias BEER
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Publication number: 20220037797Abstract: An RCS reduction surface for reducing a radar cross section of an object is described. The RCS reduction surface comprises at least one absorber portion, wherein the absorber portion is configured to absorb radar waves. The RCS reduction surface further comprises at least one reflecting portion, wherein the reflecting portion is configured to reflect radar waves. A first plane being associated with a top surface of the absorber portion and a second plane being associated with a top surface of the reflecting portion are spaced from each other by a predefined distance. The predefined distance is configured such that radar waves with a predefined wavelength range that are reflected at the absorber portion and at the surface of the reflecting portion interfere destructively with each other.Type: ApplicationFiled: June 23, 2021Publication date: February 3, 2022Inventors: Gerhard Hamberger, Steffen Neidhardt, Frank Gumbmann, Maximilian BOGNER, Benedikt Simper, Matthias Beer
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Publication number: 20220003852Abstract: A LIDAR target simulator for testing a LIDAR device is described. The LIDAR target simulator includes a screen, a light impinging determination module, a control and/or analysis circuit and a response generation module. The light impinging determination module is configured to determine the location of impinging light on the screen and to forward information concerning the location determined to the control and/or analysis circuit. The control and/or analysis circuit is configured to process the information concerning the location determined by the light impinging determination module and to determine a response based on a target scenario applied. The control and/or analysis circuit is further configured to control the response generation module in accordance with the response determined. The response generation module is configured to generate a diffuse response signal to be received by the LIDAR device. Further, a LIDAR testing system and a method of testing a LIDAR device are described.Type: ApplicationFiled: July 2, 2021Publication date: January 6, 2022Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Steffen Neidhardt, Matthias Beer, Maximilian Bogner, Benedikt Simper, Gerhard Hamberger
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Publication number: 20210373122Abstract: A radar target simulator front end, configured to simulate at least one radar target for testing a radar device under test is provided. The radar target simulator front end comprises at least two antenna units, arranged along a first angle under investigation. The at least two antenna units are configured to be selectively activated and deactivated. Whereby each antenna unit of the at least two antenna units generates a simulated radar target along the first angle under investigation, when activated.Type: ApplicationFiled: May 29, 2020Publication date: December 2, 2021Inventors: Gerhard HAMBERGER, Matthias BEER, Steffen NEIDHARDT, Maximilian BOGNER, Benedikt SIMPER
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Publication number: 20210341572Abstract: A test system for testing a radar sensor comprising a test chamber for encompassing a radar sensor to be tested. A test location is provided within the test chamber on which the radar sensor to be tested is placed for testing. Further, the test system comprises at least one antenna unit and at least one first radar target simulator connected to the antenna unit. The test system also comprises at least one antenna array different to the antenna unit and at least one second radar target simulator connected to the antenna array.Type: ApplicationFiled: April 29, 2020Publication date: November 4, 2021Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard Hamberger, Matthias Beer, Benoit Derat
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Patent number: 11002778Abstract: A computer-implemented method for determining the phase center of an antenna under test comprises the following steps: acquiring a transmitted near-field or far-field signal of the antenna under test, by rotational movement of a measuring antenna relative to the antenna under test, the rotation covering at least the angle between the z axis and the x axis of the antenna, the rotational movement covering a spherical measurement region, the acquisition being performed at different angles phi to the z axis and while rotating, relative to the measuring antenna, the antenna under test around its z axis, obtaining far-field phase data by applying a field transformation on the near-filed or far-filed signal obtained, determining the main beam peak location within the measurement region, and transforming the coordinate center of the far-field data based on the main beam peak location in order to determine the phase center.Type: GrantFiled: September 20, 2019Date of Patent: May 11, 2021Assignee: ROHDE & SCHWARZ GMBH & CO. KGInventors: Gerhard Hamberger, Hendrik Bartko, Mert Celik
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Publication number: 20210088570Abstract: A computer-implemented method for determining the phase center of an antenna under test comprises the following steps: acquiring a transmitted near-field or far-field signal of the antenna under test, by rotational movement of a measuring antenna relative to the antenna under test, the rotation covering at least the angle between the z axis and the x axis of the antenna, the rotational movement covering a spherical measurement region, the acquisition being performed at different angles phi to the z axis and while rotating, relative to the measuring antenna, the antenna under test around its z axis, obtaining far-field phase data by applying a field transformation on the near-filed or far-filed signal obtained, determining the main beam peak location within the measurement region, and transforming the coordinate center of the far-field data based on the main beam peak location in order to determine the phase center.Type: ApplicationFiled: September 20, 2019Publication date: March 25, 2021Inventors: Gerhard HAMBERGER, Hendrik BARTKO, Mert CELIK
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Patent number: 10903916Abstract: A measurement system for investigating the receive behavior of a device under test is provided. The measurement system comprises a test antenna, a test equipment connected to the test antenna, and a test position with respect to the device under test. In this context, the test equipment is configured to derive from geometrical information and radiation pattern data of the test antenna position based signal properties for transmitting via the test antenna.Type: GrantFiled: July 1, 2019Date of Patent: January 26, 2021Assignee: ROHDE & SCHWARZ GMBH & CO. KGInventors: Benoit Derat, Gerhard Hamberger
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Publication number: 20210006340Abstract: A measurement system for investigating the receive behavior of a device under test is provided. The measurement system comprises a test antenna, a test equipment connected to the test antenna, and a test position with respect to the device under test. In this context, the test equipment is configured to derive from geometrical information and radiation pattern data of the test antenna position based signal properties for transmitting via the test antenna.Type: ApplicationFiled: July 1, 2019Publication date: January 7, 2021Inventors: Benoit DERAT, Gerhard HAMBERGER
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Patent number: 10830805Abstract: A method for correcting a radiation pattern is described by using a system having a device under test with at least one antenna and a measurement antenna. The device under test is located in a placement zone. A radiation pattern of the device under test is measured. A corrected measurement antenna pattern is determined to compensate for an offset of the at least one antenna of the device under test with respect to a coordinate center of the placement zone towards which the measurement antenna is orientated. The corrected measurement antenna pattern is applied on the measured radiation pattern of the device under test to obtain a corrected radiation pattern of the device under test. Furthermore, a system and a computer program for correcting a radiation pattern are described.Type: GrantFiled: November 19, 2018Date of Patent: November 10, 2020Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Benoit Derat, Gerhard Hamberger