介绍了采用伪随机信号相关辨识法获得空间声场脉冲响应的实验方法，并用多种实验对该方法作了验证．还将此方法应用于空间有源噪声控制，取得了满意的结果． The experimental method for obtaining the impulse response of a spatial sound field by using the pseudo-random signal correlation identification method is introduced. The method is verified by various experiments. This method is also applied to space active noise control, and satisfactory results have been obtained.