为了获得室内环境声效的模型，假定该模型为线性并采用相关分析法辨识室内的脉冲响应。
In order to get the model of environmental acoustic effect in a room, assuming the model is linear and recognizing the impulse response of the model using correlation analysis method.
独特的双消声器，消声效果好，减少了环境污染。
The unique dual-muffler can do effective muffler to reduce the environmental pollution.
独特的双消声器，消声效果好，减少了环境污染。
The unique dual-muffler can do effective muffler to reduce the environmental pollution.
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