The characteristics of the diffraction efficiency, compression, cross modulation, and intermodulation intensities are analysed theoretically.

分析了多维声光衍射的衍射效率、压缩、交叉调制和互调制强度等特性。

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The paper describes the mechanism of origination of cross-modulation interference in CATV and a method for fixing it. The formulae on mathematics of cross-modulation interference are derived.

从数学角度出发，推导出了CATV系统交调干扰电平的数学表达式，并阐述了CATV系统交调干扰的产生机理以及排除方法．。

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The paper describes the mechanism of origination of cross-modulation interference in CATV and a method for fixing it. The formulae on mathematics of cross-modulation interference are derived.

从数学角度出发，推导出了CATV系统交调干扰电平的数学表达式，并阐述了CATV系统交调干扰的产生机理以及排除方法．。

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