stationary noise短语¹⁴⁴⁹⁷²⁺² 基本例句 平稳噪声 This method more effectively suppresses spatial nonstationary and stationary noise than the adaptive null- forming beamformer method by using a rotatable main lobe in the2-D plane. 该方法克服了自适应零限波束形成只能抑制空间相干噪声的缺点，并得到可在二维平面上旋转的波束主瓣。 cnki