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缩尺模型试验中早期侧向反射声测量方法研究 被引量:9

The measuring method of lateral energy fraction in the scale model experiments
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摘要 文章利用半波长干涉的简单原理制作成高频∞字形指向性传声器 ,同时应用信号处理技术 ,形成简易的早期侧向反射声测试系统 ,在缩尺模型试验中实现早期侧向反射声系数的测量 。 This paper introduces a measuring method of lateral energy fraction in the scale model experiments.According to the interference principle of half wave length making the high frequency figure 8 directional microphone,which,together with the signal processing technique,form a receiving and analysing system,and then the measurements of lateral energy fraction in the scale model are realized.
出处 《声学技术》 CSCD 2001年第3期103-106,共4页 Technical Acoustics
关键词 缩尺模型试验 早期侧向反射声 测量方法 半波长干涉 信号处理 音质 室内声学 room acoustics scale model experiments early lateral reflective sound
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