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1. 发明申请

US20210405183A1 METHOD AND APPARATUS FOR CAPTURING THE SURROUNDINGS 有权
公开(公告)号：US20210405183A1
公开(公告)日：2021-12-30
申请号：US16490476
申请日：2018-02-28
申请人： Symeo GmbH , Friedrich-Alexander-Universität Erlangen-Nürnberg
发明人： Martin VOSSIEK , Michael GOTTINGER , Peter GULDEN , Mark CHRISTMANN , Christoph MAMMITZSCH
IPC分类号： G01S13/90 , G01S7/02 , G01S7/40 , G01S13/00
摘要： The invention relates to a radar system for capturing surroundings of a moving object, in particular a vehicle and/or a transportation apparatus, such as a crane, in particular, wherein the system is mounted or mountable on the moving object, wherein the radar system comprises at least two non-coherent radar modules (RM 1, RM 2, . . . RM N) having at least one transmitter antenna and at least one receiver antenna, wherein the radar modules (RM 1, RM 2, . . . RM N) are arranged or arrangeable in distributed fashion on the moving object, wherein provision is made of at least one evaluation device which is configured to process transmitted and received signals of the radar modules to form modified measurement signals in such a way that the modified measurement signals are coherent in relation to one another.

2. 发明申请

US20220350011A1 RADAR SYSTEM AND PROCEDURES FOR OPERATING A RADAR SYSTEM 有权
公开(公告)号：US20220350011A1
公开(公告)日：2022-11-03
申请号：US17764898
申请日：2020-08-11
申请人： SYMEO GMBH
发明人： Martin VOSSIEK , Andreas HOFMANN , Peter GULDEN , Mike KEAVENEY
IPC分类号： G01S13/58 , G01S7/35
摘要： The invention relates to a radar system, particularly a primary radar system, comprising at least one signal generating device (SGEN), which is configured to generate and to emit a transmit signal sequence, at least one signal detection device, which is configured to receive and to detect a receive signal sequence reflected on an object structure, at least one mixer (MIX) for mixing the receive signal sequence with the transmit signal sequence and for forming N baseband signals sb(n, t), where n=1 . . . N, and at least one scanning device (ADC), which is configured to scan the N baseband signals at scanning frequencies fs(n), wherein at least two, preferably at least three, further preferably all of the N scanning frequencies fs(n) differ from each other.

3. 发明申请

US20220334217A1 RADAR METHOD AND RADAR SYSTEM 有权
公开(公告)号：US20220334217A1
公开(公告)日：2022-10-20
申请号：US17641729
申请日：2020-08-11
申请人： SYMEO GMBH
发明人： Peter GULDEN , Martin VOSSIEK , Michael GOTTINGER
IPC分类号： G01S7/35
摘要： A radar method, in particular a primary radar method, in which at least one first and at least one second transceiver unit (S1, S2), which are in particular spatially separated from one another, and transmit and receive signals simultaneously or overlapping in time, wherein a respective comparison signal, in particular mixed signals s1k,mix(t) or s2k,mix(t) are formed from a signal transmitted and received by the respective transceiver unit, wherein a phase correction is formed for each of a plurality of sample values, preferably a phase correction value for each of a plurality of sample values from the comparison signals s1k,mix(t) or s2k,mix(t), in particular in such a way that, preferably by a mathematical operation, a measure is formed of a phase difference per sample value between the at least two signals s1k,mix(t) or s2k,mix(t).

4. 发明申请

US20220404456A1 METHOD FOR REDUCING INTERFERENCE EFFECTS IN A RADAR SYSTEM 有权
公开(公告)号：US20220404456A1
公开(公告)日：2022-12-22
申请号：US17765392
申请日：2020-09-24
申请人： SYMEO GMBH
发明人： Michael GOTTINGER , Peter GULDEN , Martin VOSSIEK
IPC分类号： G01S7/02 , G01S13/90 , G01S13/58
摘要： The invention describes a method for reducing interference effects in a radar system, which has at least two transceiver units (S1, S2), which are in particular spatially separated from one another, wherein the method comprises the following steps: —a transmission step (VS1), in which a first transmission signal (sigTX1) of the first transceiver unit (S1) is sent and received to and by a second transceiver unit (S2) and a second transmission signal (sigTX2) of the second transceiver unit (S2) is sent and received to and by the first transceiver unit (S1) via a radio channel (T), wherein the transmission signals (sigTX1, sigTX2) are modulated according to an orthogonal frequency multiplex method; and—a pre-correction step (VS2), in which correction values (γ1, γn, γ2) are determined from the received transmission signals (sigTX1, sigTX2) and in particular are exchanged between the transceiver stations (S1, S2), wherein the received transmission signals (sigRX1, sigRX2) are postprocessed on the basis of the correction values (γ1, γn, γ2), so that influences of interference variables, in particular of phase noise and/or a time offset and/or unknown initial phase positions, are reduced.

5. 发明申请

US20200309889A1 SYSTEM AND METHOD WITH STATIONS RECEIVING AT LEAST THREE SIGNALS 审中-公开
公开(公告)号：US20200309889A1
公开(公告)日：2020-10-01
申请号：US15779768
申请日：2016-10-27
申请人： SYMEO GmbH
发明人： Martin VOSSIEK , Peter GULDEN , Fabian KIRSCH
IPC分类号： G01S1/02 , G01S1/20 , G01S5/10 , G01S5/14 , G01S5/02
摘要： A wave-based method has at least two reference stations (1, 2) transmit signals (s1, s2; s3, s4). The signals are transmitted almost at the same time (S1, S2), are transmitted in the same frequency range, and are separable using a multiplexing method. At least one of the sending reference stations (1, 2), besides transmitting its own signal (s1, s2), also receives at least one signal (s2, s1) sent by another reference station (2, 1) at the same time and determines a time stagger (τ1) and/or a phase angle between its own transmission and the reception with high precision. At least one receiving station (7) which at least receives the signals (s1, s2) receives the signals (s3, s4) from at least two of the reference stations (1, 2). A system and stations perform the wave-based method.

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