矩形孔徑 的英文怎麼說
中文拼音 [jǔxíngkǒngjìng]
矩形孔徑
英文
rectangular aperture-
To provide a method that can be used to predict single or multi - layered microperforated panel ( mpp ) performance precisely, especially when the mpp has holes of different diameter and irregular shape
摘要提出用實驗測得含不同孔徑孔的微孔板聲阻抗率來預測由其形成的單層或多層微孔板的吸聲特性,並用傳遞矩陣法來預測該微孔板的各種組合結構的整體吸聲性能。The fresnel and franhufer diffraction patterns, of regular shapes screen such as slits, rectangular apertures, circle apertures, discs, triangle apertures, ronchi gratings, and some irregular shapes screen, are observed in the different propagation distance. this clearly gives the relation and difference of the two diffraction patterns
具體分析了規則形狀如單縫、矩孔、圓孔、圓盤、三角孔、黑白光柵及一些不規則形狀等孔徑的菲涅耳衍射和夫瑯禾費衍射圖樣強度分佈,為深入理解菲涅耳衍射和夫瑯禾費衍射及其內在聯系與區別提供了理論依據。
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