The coupled wave equation of multi dimensional Acousto electro optic(AEO)effect is derived according to the opinion of parameter interaction.
按照参量互作用的观点推出多维声电光效应的耦合波方程，并给出多维声电光效应衍射效率计算公式。
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In addition, a kind of new method is to use hang hanger to hang TV or sound equipment in sky, acousto-optic the effect is not decreased, however a lot of many spaces can be offered use.