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公开(公告)号：US20230341533A1
公开(公告)日：2023-10-26
申请号：US18174324
申请日：2023-02-24
IPC分类号： G01S7/497 , G01S7/4863 , G01S7/481
CPC分类号： G01S7/497 , G01S7/4863 , G01S7/4817 , G01S7/4816 , G02B26/105
摘要： 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.
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公开(公告)号：US11002778B2
公开(公告)日：2021-05-11
申请号：US16577739
申请日：2019-09-20
发明人： Gerhard Hamberger , Hendrik Bartko , Mert Celik
IPC分类号： G01R29/10
摘要： 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.
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公开(公告)号：US10903916B1
公开(公告)日：2021-01-26
申请号：US16458813
申请日：2019-07-01
发明人： Benoit Derat , Gerhard Hamberger
摘要： 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.
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公开(公告)号：US20220099824A1
公开(公告)日：2022-03-31
申请号：US17033049
申请日：2020-09-25
IPC分类号： G01S13/931 , G01S13/58 , G01S7/40 , B60W60/00
摘要： 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. Moreover, a radar target simulation method is described.
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公开(公告)号：US20220003852A1
公开(公告)日：2022-01-06
申请号：US17366756
申请日：2021-07-02
IPC分类号： G01S7/497
摘要： 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.
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公开(公告)号：US20210341572A1
公开(公告)日：2021-11-04
申请号：US16862310
申请日：2020-04-29
发明人： Gerhard Hamberger , Matthias Beer , Benoit Derat
IPC分类号： G01S7/40
摘要： 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.
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公开(公告)号：US12078727B2
公开(公告)日：2024-09-03
申请号：US17066185
申请日：2020-10-08
IPC分类号： G01S17/89 , G01S7/4863 , G01S17/00 , H01Q1/42
CPC分类号： G01S17/89 , G01S7/4863 , G01S17/003 , H01Q1/42
摘要： 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.
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8.发明申请公开(公告)号：US20230128858A1
公开(公告)日：2023-04-27
申请号：US17507336
申请日：2021-10-21
摘要： 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.
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公开(公告)号：US10830805B2
公开(公告)日：2020-11-10
申请号：US16195576
申请日：2018-11-19
发明人： Benoit Derat , Gerhard Hamberger
IPC分类号： G01R29/10
摘要： 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.
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公开(公告)号：US11936108B2
公开(公告)日：2024-03-19
申请号：US17355598
申请日：2021-06-23
发明人： Gerhard Hamberger , Steffen Neidhardt , Frank Gumbmann , Maximilian Bogner , Benedikt Simper , Matthias Beer
CPC分类号： H01Q17/007 , G01S7/4004 , H01Q15/14
摘要： 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.
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