Method in a radar system, radar system, and/or device of a radar system
A radar system and receiving unit technology, which is applied in the field of radar systems to achieve the effect of small data volume and reduced storage requirements
Inactive Publication Date: 2017-02-22
SYMEO
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Both methods are therefore not suitable for correlation distance measurements and as the basis for the SAR method
Method used
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[0078] figure 1 The structure of two non-associated transmitting and receiving units NKSE1, NKSE2 and their preferred interaction and signal processing are shown schematically as components of a distributed radar system in order to show an exemplary preferred basic structure. The following transmitting and receiving units NKSE1 and NKSE2 are always understood as unrelated transmitting and receiving units NKSE1 and NKSE2.
[0079] The two transmitting and receiving units NKSE1, NKSE2 are arranged in particular spatially separated. The transmitting and receiving units NKSE1 and NKSE2 exchange signals with each other, said signals also including signals with information or data contained therein about the path SP, the path being in particular formed as an air interface. In one of the transmitting and receiving units NKSE1, NKSE2, in addition to the signals transmitted on the direct path by the other transmitting and receiving units NKSE2, NKSE1, indirectly transmitted signals are al...
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The invention relates to a method in a radar system, wherein: in a first non-coherent transmitting-receiving unit (NKSE1), a first signal (sigTX1) is generated and is transmitted, in particular emitted, via a path (SP); in a further, in particular second non-coherent transmitting-receiving unit (NKSE2), a first signal (sigTX2) is generated and is sent, in particular emitted, via the path (SP); in the first transmitting-receiving unit (NKSE1), a comparison signal (sigC12) is formed from the first signal (sigTX1) of the first transmitting-receiving unit and from such a first signal (sigTX2) received from the further transmitting-receiving unit (NKSE2) via the path (SP); and in the further transmitting-receiving unit (NKSE2), a further comparison signal (sigC21) is formed from the first signal (sigTX2) of the further transmitting-receiving unit and from such a first signal (sigTX1) received from the first transmitting-receiving unit (NKSE1) via the path (SP), wherein the further comparison signal (sigC21) is transmitted, in particular communicated, to the first transmitting-receiving unit (NKSE1) by the further transmitting-receiving unit (NKSE2). The invention further relates to a radar system and to a device of a radar system that perform such a method.
Description
Technical field [0001] The invention relates to a method in a radar system, a radar system or a device of a radar system. In particular, this applies to radar installations with distributed transmitting and receiving units. Background technique [0002] A distinction is made between primary radar and secondary radar in radar technology. The primary radar means a radar device that analyzes the signal echo of the passive reflection of the previously transmitted high-frequency signal. In the secondary radar, the high frequency signal previously emitted by the first radar unit is received in the second radar unit. The second radar unit then actively sends a response signal back to the first radar unit. The secondary radar is sometimes called the transceiver system, where the low radar is often called the base station, and the second radar unit is called the transceiver. The primary radar receives and processes its own signals, while the secondary radar receives and processes exte...
Claims
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IPC IPC(8): G01S13/00G01S13/34G01S13/87
CPCG01S13/003G01S13/34G01S13/878G01S13/74G01S13/90G01S13/9092G01S13/10G01S13/32G01S13/50G01S13/9029G01S2013/0245G01S2013/468
Inventor P·古尔登M·福西克
Owner SYMEO