Our design USES an adaptivedigitalfilter with IMC arrangement to optimally cancel unwanted acoustic noise in the headset.
采用IMC控制器结构，设计自适应数字滤波器消除耳罩内的噪声。
2
A digital tracking filter method is put forward, its approach realizing adaptive tracking ability is simple and easy, and good effect of noise cancellation can be obtained.
提出了数字跟踪窄带滤波方法，实现的自适应跟踪方法简便，消噪效果良好。
3
As a kind of new optimized algorithm, neural network can substitute for landscape orientation filter in adaptive equalization, and it has been widely used in digital communication system.