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  • 穴井 謙 ID: 9000025016309

    Articles in CiNii:1

    • Flow resistivity and sound absorption characteristics of polyester nonwovens and its recycled ones (2009)
  • 穴井 謙 ID: 9000241616094

    Articles in CiNii:1

    • Application of Active Noise Control Technique to Ventilation Openings in Residence : Effectual Control Position for Road Traffic Noise (2013)
  • 穴井 謙 ID: 9000241756710

    Articles in CiNii:1

    • Application of Active Noise Control Technique to Ventilation Openings in Residence : Discrimination of the Sound Arrival Direction with Cross-Correlation of Sound Pressure Waveforms (2013)
  • 穴井 謙 ID: 9000242259054

    Articles in CiNii:1

    • Applying the active noise control technology to ventilation openings in residences (2013)
  • 穴井 謙 ID: 9000260212982

    Articles in CiNii:1

    • Sound Absorption Characteristics of Helmholtz Resonator Composed of Porous Materials (2011)
  • 穴井 謙 ID: 9000264865248

    Articles in CiNii:1

    • Application of Active Noise Control Technique to Ventilation Openings in Residence : Evaluation of ANC Effectiveness as Rating of Sound Insulation and Suitable Control Position for Slit Openings (2014)
  • 穴井 謙 ID: 9000307247344

    Articles in CiNii:1

    • Application of Active Noise Control Technique to Ventilation Openings in Residence : Efficiency of Directional Reference Microphones using Beam Forming Technique (2015)
  • 穴井 謙 ID: 9000307247363

    Articles in CiNii:1

    • Application of Micro Perforated Panels for improving the sound environment in incubators : Winder bandwidth of sound absorption efficiency by the combination of two kinds of Micro Perforated Panels (2015)
  • 穴井 謙 ID: 9000337090018

    Articles in CiNii:1

    • Optimal placement design of various panels in the noise barrier with genetic algorism (2016)
  • 穴井 謙 ID: 9000337090192

    Articles in CiNii:1

    • Application of Micro Perforated Panels for improving the sound environment in incubators : Experimental examination of alterations of sound absorption efficiency with the shape of the Micro Perforated Panels (2016)
  • 穴井 謙 ID: 9000337090229

    Articles in CiNii:1

    • Application of Micro Perforated Panels for Improving the Sound Environment in Incubators : Investigation of Babies Cries Characteristics in incubators and Wider Bandwidth of Sound Absorption Efficiency with Four Kinds of Micro Perforated Panels (2016)
  • 穴井 謙 ID: 9000376546059

    Articles in CiNii:1

    • Application of Micro Perforated Panels for Improving the Sound Environment in Incubators : Investigation of Sound Absorption Efficiency of Two-layered MPPs with the Finite-difference Time-domain Method (2017)
  • 穴井 謙 ID: 9000376546101

    Articles in CiNii:1

    • Application of Active Noise Control Technique for reducing low frequency noise from Heat Pump Unit : Comparison of control effect by the number of secondary sound sources to simulated sound source (2017)
  • 穴井 謙 ID: 9000382654436

    Articles in CiNii:1

    • An Application of IoT to Sound Level Meter and Multipoint Synchronous Measurement (2018)
  • 穴井 謙 ID: 9000400205733

    Articles in CiNii:1

    • 微細穿孔板を適用した住宅地向け防音壁の検討 傾斜背後壁による吸音特性の広帯域化 (2018)
  • 穴井 謙 ID: 9000401120942

    Articles in CiNii:1

    • 411 九州大学新キャンパスの音環境計画の提案 (2001)
  • 穴井 謙 ID: 9000401120981

    Articles in CiNii:1

    • 419 後期音の方向分布に関するホール実測(その1) (2001)
  • 穴井 謙 ID: 9000401120986

    Articles in CiNii:1

    • 420 後期音の方向分布に関するホール実測(その2) (2001)
  • 穴井 謙 ID: 9000401120990

    Articles in CiNii:1

    • 421 音源の指向性を考慮した室内音場の評価 : 無指向性音源と指向性音源による室内音響特性の比較(2) (2001)
  • 穴井 謙 ID: 9000401120999

    Articles in CiNii:1

    • 424 福岡市の沿道騒音の調査 (2001)
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