CN113170200A - 滤波方法和装置 - Google Patents

滤波方法和装置 Download PDF

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Publication number
CN113170200A
CN113170200A CN201880099940.7A CN201880099940A CN113170200A CN 113170200 A CN113170200 A CN 113170200A CN 201880099940 A CN201880099940 A CN 201880099940A CN 113170200 A CN113170200 A CN 113170200A
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China
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signal
frequency
point
band
boundary point
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CN201880099940.7A
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李海波
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN113170200A publication Critical patent/CN113170200A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)

Abstract

一种滤波方法和装置，其中，该方法包括：对第一信号进行频谱搬移，得到第二信号，所述第一信号包括第一有效信号带和第一待抑制信号带，所述第一有效信号带与所述第一待抑制信号带在所述第一信号中的分界点为第一界点，所述第一界点在所述第二信号中对应第二界点，所述第二界点的频率等于滤波器的第一边频点的频率，所述第一有效信号带在所述第二信号中对应的频率范围在所述滤波器的通带对应的频率范围内(S301)；通过所述滤波器对所述第二信号进行滤波，得到所述第一有效信号带(S302)。上述方法和装置使滤波器具备通用性，无需设计并开发与要滤得的有效信号带相对应的滤波器即可滤得需要滤得的有效信号带。

Description

PCT国内申请，说明书已公开。

Claims (32)

  1. PCT国内申请，权利要求书已公开。
CN201880099940.7A 2018-12-13 2018-12-13 滤波方法和装置 Pending CN113170200A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/120983 WO2020118642A1 (zh) 2018-12-13 2018-12-13 滤波方法和装置

Publications (1)

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CN113170200A true CN113170200A (zh) 2021-07-23

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CN201880099940.7A Pending CN113170200A (zh) 2018-12-13 2018-12-13 滤波方法和装置

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US (1) US11489550B2 (zh)
EP (1) EP3883247A4 (zh)
CN (1) CN113170200A (zh)
WO (1) WO2020118642A1 (zh)

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* Cited by examiner, † Cited by third party
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CN114268781A (zh) * 2021-12-23 2022-04-01 南京木马牛智能科技有限公司 一种基于vr反馈的传感器信号处理方法

Citations (8)

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EP0844735A2 (en) * 1991-07-11 1998-05-27 United Parcel Service Of America, Inc. System and method for digital filtering
US20050273482A1 (en) * 2004-06-04 2005-12-08 Moore George S Digital filter and method thereof using frequency translations
CN101098396A (zh) * 2006-06-29 2008-01-02 上海高清数字科技产业有限公司 用于消除信号中干扰的方法和设备
CN101841644A (zh) * 2010-04-14 2010-09-22 华亚微电子（上海）有限公司 邻道干扰消除装置和邻道干扰消除方法
CN102308483A (zh) * 2009-02-04 2012-01-04 高通股份有限公司 响应于频谱信息的可调整的接收滤波器
CN103475384A (zh) * 2013-09-22 2013-12-25 东莞宇龙通信科技有限公司 一种抑制互扰的多模终端及可变滤波装置
US20140105203A1 (en) * 2012-10-11 2014-04-17 Telefonaktiebolaget L M Ericsson (Publ) Filter Apparatus, Multiplex Device and Associated Method
CN105634539A (zh) * 2015-12-31 2016-06-01 华为技术有限公司 一种干扰消除方法及装置

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US6738604B2 (en) * 2001-07-31 2004-05-18 Qualcomm, Inc. Programmable IF bandwidth using fixed bandwidth filters
US6718166B2 (en) * 2002-05-17 2004-04-06 Illinois Superconductor Corporation, Inc. Multiple carrier adaptive notch filter
EP2294816B1 (en) * 2008-06-03 2017-02-22 Thomson Licensing Method and apparatus for determining channels in a signal
CN102148790B (zh) * 2010-02-05 2013-08-28 大唐移动通信设备有限公司 一种多载波级联滤波器的设计方法及设计装置
EP3079200B1 (en) * 2013-12-30 2019-04-24 Huawei Technologies Co., Ltd. Resonator, filter, duplexer, multiplexer and communication device
CN105591656B (zh) * 2015-12-24 2018-04-03 三维通信股份有限公司 一种收发信机的增益平坦度补偿方法
US10454724B2 (en) * 2017-02-23 2019-10-22 Skyworks Solutions, Inc. Multipath filters
CN110383700A (zh) * 2017-03-10 2019-10-25 英特尔Ip公司 杂散降低电路和装置、无线电收发器、移动终端、用于杂散降低的方法和计算机程序
CN108183879B (zh) * 2017-12-27 2020-09-15 北京理工大学 一种用于太赫兹通信的伪码辅助载波同步实现方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844735A2 (en) * 1991-07-11 1998-05-27 United Parcel Service Of America, Inc. System and method for digital filtering
US20050273482A1 (en) * 2004-06-04 2005-12-08 Moore George S Digital filter and method thereof using frequency translations
CN101098396A (zh) * 2006-06-29 2008-01-02 上海高清数字科技产业有限公司 用于消除信号中干扰的方法和设备
CN102308483A (zh) * 2009-02-04 2012-01-04 高通股份有限公司 响应于频谱信息的可调整的接收滤波器
CN101841644A (zh) * 2010-04-14 2010-09-22 华亚微电子（上海）有限公司 邻道干扰消除装置和邻道干扰消除方法
US20140105203A1 (en) * 2012-10-11 2014-04-17 Telefonaktiebolaget L M Ericsson (Publ) Filter Apparatus, Multiplex Device and Associated Method
CN103475384A (zh) * 2013-09-22 2013-12-25 东莞宇龙通信科技有限公司 一种抑制互扰的多模终端及可变滤波装置
CN105634539A (zh) * 2015-12-31 2016-06-01 华为技术有限公司 一种干扰消除方法及装置

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Publication number Publication date
US20210297099A1 (en) 2021-09-23
EP3883247A4 (en) 2021-12-01
WO2020118642A1 (zh) 2020-06-18
US11489550B2 (en) 2022-11-01
EP3883247A1 (en) 2021-09-22

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Application publication date: 20210723