CN108051072B - 一种计算变电站主噪声设备隔声罩插入损失的方法及系统 - Google Patents
一种计算变电站主噪声设备隔声罩插入损失的方法及系统 Download PDFInfo
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- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
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CN104564671A (zh) * | 2014-10-30 | 2015-04-29 | 沈阳化工大学 | 一种螺杆压缩机的噪声控制方法 |
CN106854855A (zh) * | 2015-12-08 | 2017-06-16 | 北京知易普道技术有限责任公司 | 一种吸声体及使用该吸声体的声屏障 |
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TW201425884A (zh) * | 2012-12-21 | 2014-07-01 | Hon Hai Prec Ind Co Ltd | 發聲裝置聲波大小的檢測裝置 |
CN104792877B (zh) * | 2015-04-03 | 2017-05-17 | 浙江大学 | 水下去耦抑振材料去耦性能测量方法 |
CN205940754U (zh) * | 2016-07-27 | 2017-02-08 | 贵州电网有限责任公司电力科学研究院 | 一种变压器及变电站的噪声测量装置 |
CN106679797B (zh) * | 2016-11-16 | 2021-04-23 | 中国电力科学研究院 | 并联电抗器隔声罩隔声量测试方法及装置 |
CN106855540B (zh) * | 2016-11-17 | 2020-10-20 | 中国电力科学研究院 | 一种变电站主噪声设备隔声罩隔声量测试方法及系统 |
CN106599394B (zh) * | 2016-11-25 | 2020-02-18 | 国网上海市电力公司 | 一种变电站的噪声声场建模计算方法 |
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CN104564671A (zh) * | 2014-10-30 | 2015-04-29 | 沈阳化工大学 | 一种螺杆压缩机的噪声控制方法 |
CN106854855A (zh) * | 2015-12-08 | 2017-06-16 | 北京知易普道技术有限责任公司 | 一种吸声体及使用该吸声体的声屏障 |
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