acoustic tube 中文意思是什麼
acoustic tube
解釋
傳話管-
Finite element calculation and analysis of acoustic attenuation performance of perforated tube silencers
穿孔管消聲器消聲性能的有限元計算及分析 -
Computation results provide optimized dimensions of regenerator for different pressure ratios at a fixed acoustic power input, which could be a preliminary guide in designing a regenerator for pulse tube refrigerators
計算了給定輸入聲功率、不同輸入壓比條件下回熱器的優化尺寸,可為脈管製冷機回熱器的優化設計提供參考。 -
In the measurement of small sample in an acoustic cylindrical tube, measurement data with rigid backing should be taken as the standard of the performance of an anechoic coating
在實驗室小樣品聲管測試中,以較厚的鋼柱作為背襯的測試數據來衡量吸聲覆蓋層性能更為合適,且易於實現。
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