滤波器是这样一种双端口网络，它在某一规定的频率范围内，对信号的衰耗很小或为零，使信号容易通过，这个频率范围为滤波器的通带。
... 滤波器衰减率 rate of attenuation of filter 滤波器通带 filter pass band 滤波器阻抗补偿器 filter impedance compensator ...
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尤其是本文把正则阶作为约束条件之一，从而保证了滤波器通带的平坦性和阻带的快速衰减，并且在阻带滤波器的频谱值非常接近于零。
Especially, regularity as one of the constraints assure the flatness in passband and the high attenuation in stopband, even the value of stopband response is very close to zero.
提出了一种通带截止频率连续可调的低通滤波器的新的设计方法。
In this paper, a novel design method of a passband edge frequency continuous adjustable FIR filter is presented.
该文提出一种混合采用微带阶梯阻抗谐振器和缺陷阶梯阻抗谐振器的新型双通带滤波器设计方法。
This paper presents a novel synthesis method of dual-band bandpass filter composed of both defected stepped impedance resonator DSER.
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