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。
Our design USES an adaptive digital filter with IMC arrangement to optimally cancel unwanted acoustic noise in the headset.
变步长自适应数字滤波器的权值随信号和噪声的变化自动调整时可能出现不稳定。
Adaptive digital filters with variable step-size may become unstable when their weights are automatically adjusted with input signal and noise.
误差图像进行分形矢量量化编码时，使用设计的自适应二维维纳数字滤波器，对收缩的均值图像进行滤波后，可构造好的码书。
When coding the erroneous image by fractal vector quantization, a self-adaptive 2-d wiener digital filter to filtrate the contracted mean value image, which can result into a good quality codebook.
根据基因编码区的周期性质，设计了具有窄带选通特性的FIR数字滤波器和自适应滤波器。
According to the periodicity of the coding regions, the FIR filter and the adaptive filters with narrow pass-band are developed.
根据基因编码区的周期性质，设计了具有窄带选通特性的FIR数字滤波器和自适应滤波器。
According to the periodicity of the coding regions, the FIR filter and the adaptive filters with narrow pass-band are developed.
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