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公开(公告)号：US20220214460A1
公开(公告)日：2022-07-07
申请号：US17606513
申请日：2020-04-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Hu , Meiwen Yang , Jianqiang Wang , Lidan Li
Abstract: A preprocessing system includes a first port, where one end of the first port is coupled to a first switch, and the other end of the first port is suspended, where the first switch has a connecting end configured to couple to a first interface and is configured to connect a filter and the first interface, a second port configured to receive a first signal or a second signal, where the filter is configured to filter the first signal to obtain a first positioning signal and a second positioning signal, provide the first positioning signal for the first switch, and provide the second positioning signal for a second interface of a global navigation satellite system (GNSS) chip to adapt to a plurality of antenna configuration types and to achieve universality.
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公开(公告)号：US11953606B2
公开(公告)日：2024-04-09
申请号：US17606513
申请日：2020-04-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Hu , Meiwen Yang , Jianqiang Wang , Lidan Li
CPC classification number: G01S19/31 , G01S19/115 , G01S19/28
Abstract: A preprocessing system includes a first port, where one end of the first port is coupled to a first switch, and the other end of the first port is suspended, where the first switch has a connecting end configured to couple to a first interface and is configured to connect a filter and the first interface, a second port configured to receive a first signal or a second signal, where the filter is configured to filter the first signal to obtain a first positioning signal and a second positioning signal, provide the first positioning signal for the first switch, and provide the second positioning signal for a second interface of a global navigation satellite system (GNSS) chip to adapt to a plurality of antenna configuration types and to achieve universality.
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