CN107223345B - 用于波束成形滤波器的fir滤波器系数计算 - Google Patents

用于波束成形滤波器的fir滤波器系数计算 Download PDF

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Publication number
CN107223345B
CN107223345B CN201580045260.3A CN201580045260A CN107223345B CN 107223345 B CN107223345 B CN 107223345B CN 201580045260 A CN201580045260 A CN 201580045260A CN 107223345 B CN107223345 B CN 107223345B
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filter
beamforming
frequency response
frequency
target frequency
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Chinese (zh)
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CN107223345A (zh
Inventor
安德里亚斯·弗兰克
克里斯托夫·斯莱德茨康
艾伯特·藏克哈尔
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers

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  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CN201580045260.3A 2014-08-22 2015-08-21 用于波束成形滤波器的fir滤波器系数计算 Active CN107223345B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14182043.1 2014-08-22
EP14182043 2014-08-22
DE102015203600.6A DE102015203600B4 (de) 2014-08-22 2015-02-27 FIR-Filterkoeffizientenberechnung für Beamforming-Filter
DE102015203600.6 2015-02-27
PCT/EP2015/069291 WO2016026970A1 (de) 2014-08-22 2015-08-21 Fir-filterkoeffizientenberechnung für beamforming-filter

Publications (2)

Publication Number Publication Date
CN107223345A CN107223345A (zh) 2017-09-29
CN107223345B true CN107223345B (zh) 2020-04-07

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CN201580045260.3A Active CN107223345B (zh) 2014-08-22 2015-08-21 用于波束成形滤波器的fir滤波器系数计算

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Country Link
US (1) US10419849B2 (https=)
EP (1) EP3183891B1 (https=)
JP (1) JP6427672B2 (https=)
KR (1) KR102009274B1 (https=)
CN (1) CN107223345B (https=)
DE (1) DE102015203600B4 (https=)
WO (1) WO2016026970A1 (https=)

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CN108631753B (zh) * 2018-05-15 2021-11-16 西安空间无线电技术研究所 一种一体化补偿数字滤波器设计方法
CN110786022A (zh) * 2018-11-14 2020-02-11 深圳市大疆创新科技有限公司 基于多麦克风的风噪处理方法、装置、系统及存储介质
CN111261178B (zh) * 2018-11-30 2024-09-20 北京京东尚科信息技术有限公司 波束形成方法和装置
WO2020124589A1 (en) * 2018-12-21 2020-06-25 Qualcomm Incorporated Beam-strength related type-ii channel state information coefficient feedback
CN110149104B (zh) * 2019-04-23 2023-08-04 埃夫特智能装备股份有限公司 一种机器人零相移实时滤波方法
US11337002B2 (en) * 2019-09-03 2022-05-17 Harman International Industries, Incorporated Loudspeaker system with active directivity control
KR102134028B1 (ko) * 2019-09-23 2020-07-14 한화시스템 주식회사 완전 디지털 능동 배열 레이다의 빔 설계 방법
CN110728970B (zh) * 2019-09-29 2022-02-25 东莞市中光通信科技有限公司 一种数字辅助隔音处理的方法及装置
CN111181982B (zh) * 2019-12-31 2022-03-25 奇安信科技集团股份有限公司 异常数据的识别方法、装置、计算设备以及介质
US11978966B2 (en) * 2020-01-14 2024-05-07 Src, Inc. Method for beamforming
DE102021207302A1 (de) 2021-07-09 2023-01-12 Holoplot Gmbh Verfahren und Vorrichtung zur Beschallung mindestens eines Publikumsbereiches
EP4138412B1 (en) * 2021-08-16 2025-05-14 Harman Becker Automotive Systems GmbH A method for designing a line array loudspeaker arrangement
CN113868993B (zh) * 2021-09-27 2023-06-30 上海圳呈微电子技术有限公司 全频域滤波器系数的获取方法
CN115407896B (zh) * 2022-08-19 2025-09-30 北京集创北方科技股份有限公司 滤波方法及装置、显示设备、电子设备及存储介质
WO2024128519A1 (ko) * 2022-12-13 2024-06-20 엘지전자 주식회사 무선 미디어 장치 및 이를 구비하는 영상표시장치
CN116318051B (zh) * 2023-03-16 2024-02-27 湖南迈克森伟电子科技有限公司 数字成形滤波方法、装置、数字成形滤波器及电子设备
CN117895988B (zh) * 2024-03-15 2024-05-31 长光卫星技术股份有限公司 基于最小二乘法的阵列天线多波束赋形方法、设备及介质

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US6594367B1 (en) * 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
EP1919251A1 (en) * 2006-10-30 2008-05-07 Mitel Networks Corporation Beamforming weights conditioning for efficient implementations of broadband beamformers
CN102440002A (zh) * 2009-04-09 2012-05-02 挪威科技大学技术转让公司 用于传感器阵列的优化模态波束成型器
CN103098132A (zh) * 2010-08-25 2013-05-08 旭化成株式会社 声源分离装置、声源分离方法、以及程序

Also Published As

Publication number Publication date
DE102015203600A1 (de) 2016-02-25
EP3183891B1 (de) 2018-10-31
KR102009274B1 (ko) 2019-08-09
KR20170044180A (ko) 2017-04-24
JP2017531971A (ja) 2017-10-26
JP6427672B2 (ja) 2018-11-21
DE102015203600B4 (de) 2021-10-21
WO2016026970A1 (de) 2016-02-25
US20170164100A1 (en) 2017-06-08
CN107223345A (zh) 2017-09-29
US10419849B2 (en) 2019-09-17
EP3183891A1 (de) 2017-06-28

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