The technique of active attenuationofnoise is very effective for controlling the low frequency noise in ducts.
有源消声技术对于管道中低频噪声的控制非常有效。
2
To counter the characteristic of suppress jamming and center of mass jamming, this paper establishes the models ofnoise jamming, signal power attenuation and center of mass jamming.
针对压制干扰和质心干扰的特点,分别建立了噪声干扰模型、信号功率衰减模型和质心干扰模型。
3
Noiseattenuationof seismic data processing is one of the key questions that can not be ignored.