Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle.
声频定向扬声器是利用参量阵原理，产生高指向性声频信号的新一代扬声器。
The method for theoretical calculation of parametric transient signal array, in which the nonlinear absorption of primary wave has been taking into consideration, is presented.
提出考虑到非线性吸收时计算暂态信号参量阵的计算方法。
The sound fields of the parametric line array can be analysed by it. Firstly, the point-source function is expanded into an operator on a plane wave function.
首先将点源函数展开为一个算符对平面波函数的运算，经过计算证明，如果将这个算符对参量阵远场解进行运算，得到的结果即为线源参量阵辐射场的解。
The sound fields of the parametric line array can be analysed by it. Firstly, the point-source function is expanded into an operator on a plane wave function.
首先将点源函数展开为一个算符对平面波函数的运算，经过计算证明，如果将这个算符对参量阵远场解进行运算，得到的结果即为线源参量阵辐射场的解。
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