CN109716664A - 梳状滤波噪声消除方法、装置及频域自适应均衡装置 - Google Patents

梳状滤波噪声消除方法、装置及频域自适应均衡装置 Download PDF

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Publication number
CN109716664A
CN109716664A CN201680089366.8A CN201680089366A CN109716664A CN 109716664 A CN109716664 A CN 109716664A CN 201680089366 A CN201680089366 A CN 201680089366A CN 109716664 A CN109716664 A CN 109716664A
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data
unit
time domain
frequency domain
comb filtering
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CN109716664B (zh
Inventor
马文凯
迈克尔.查如冰
魏帅
赵曼
陈俊
李良川
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04B15/00—Suppression or limitation of noise or interference

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

本发明实施例提供一种梳状滤波噪声消除方法、装置及频域自适应均衡装置，其中，梳状滤波噪声消除方法包括：获取第一频域数据，第一频域数据的频点数为N，将第一频域数据通过N点IFFT转换为第一时域数据，根据第一时域数据与预设参考数据之间的数据位置对应关系，确定第一时域数据中产生混叠噪声的数据位置，并在数据位置处将数据置零获取第二时域数据，对第二时域数据进行梳状滤波，获得消除混叠噪声后的第二频域数据，第二频域数据的频点数为M。本发明实施例提供的梳状滤波噪声消除方法，可以在实现梳状滤波的基础上消除混叠噪声，提升了频域梳状滤波的性能。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201680089366.8A 2016-10-10 2016-10-10 梳状滤波噪声消除方法、装置及频域自适应均衡装置 Active CN109716664B (zh)

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PCT/CN2016/101651 WO2018068177A1 (zh) 2016-10-10 2016-10-10 梳状滤波噪声消除方法、装置及频域自适应均衡装置

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CN109716664A true CN109716664A (zh) 2019-05-03
CN109716664B CN109716664B (zh) 2020-06-16

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CN104599676A (zh) * 2014-10-08 2015-05-06 中国船舶重工集团公司第七〇五研究所 消除梳状谱噪声对振动能级影响的方法
CN105812060A (zh) * 2014-12-30 2016-07-27 深圳市中兴微电子技术有限公司 一种光纤通信中自适应均衡滤波装置和方法

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US5258838A (en) * 1990-10-19 1993-11-02 Zenith Electronics Corporation HDTV transmission system with reduced NTSC co-channel interference
KR100219636B1 (ko) * 1997-03-25 1999-09-01 윤종용 레벨 변화를 일으키지 않는 ntsc 제거필터의 설계방법과 이를 채용한 수신기
CA2247555C (en) * 1997-09-19 2001-12-11 Samsung Electronics Co., Ltd. Ntsc interference detectors using comb filters that suppress dtv pilot carrier to extract ntsc artifacts
CN1110945C (zh) * 1998-07-18 2003-06-04 三星电子株式会社 检测同频道干扰n制信号伴随数字电视信号的方法及装置
CN101390255A (zh) * 2002-09-30 2009-03-18 美商智慧财产权授权股份有限公司 无线局域网方向性天线物理层操控
CN101662576B (zh) * 2008-08-27 2011-07-20 扬智科技股份有限公司 适用于消除同频道干扰的信号处理电路与方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1567807A (zh) * 2003-07-08 2005-01-19 华为技术有限公司 一种频域滤波器及实现频域滤波的方法
CN101478510A (zh) * 2009-02-17 2009-07-08 上海高清数字科技产业有限公司 一种自适应均衡器及使用该均衡器的接收机系统
CN103763228A (zh) * 2014-01-07 2014-04-30 南京信息工程大学 组合优化自适应频域盲均衡方法及系统
CN104599676A (zh) * 2014-10-08 2015-05-06 中国船舶重工集团公司第七〇五研究所 消除梳状谱噪声对振动能级影响的方法
CN105812060A (zh) * 2014-12-30 2016-07-27 深圳市中兴微电子技术有限公司 一种光纤通信中自适应均衡滤波装置和方法

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WO2018068177A1 (zh) 2018-04-19

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