The filter selectivity and stopband attenuation can be easily specified or controlled.
所设计滤波器的选择性和阻带衰减可预先给定并易于控制。
A relation between average alias attenuation and filter order and sampling rate is derived from calculation.
通过计算导出了平均假频衰减与滤波器阶次及采样率的关系式。
Some papers indicate that using high attenuation rate neutral filter can expand the measuring range of CCD.
多篇文献提出在CCD前加高衰减率的中性滤光片来扩大测温范围。
A new approach named swell noise attenuation, which is based on spatial median filter arithmetic, can be adopted to suppress such a noise with some limitations.
基于空间中值滤波算法的巨浪噪声衰减技术对于此类噪声的衰减效果良好，但其应用存在一些限制条件。
Filter is a useful signal can pass while the frequency of the unwanted signal suppression (or attenuation) of the electronic devices.
引言滤波器是一种能使有用信号顺利通过而同时对无用频率信号进行抑制(或衰减)的电子装置。
Reliable estimates of the anelastic attenuation factor, Q, are desirable for improvement of resolution through inverse Q filter and to facilitate amplitude analysis.
黏弹性衰减因子Q的可靠估计可通过Q反褶积来提高地震资料的分辨率并有助于振幅分析。
Fixing the spectrum width of the weather echo signals, we change theirs mean Doppler frequency and filter them using regression filter. After filtering, we analyze the attenuation of them.
在天气回波信号谱宽固定的情况下，通过改变天气回波信号的平均多普勒频率，分析了回归滤波器对它的衰减情况。
The bandpass filter that has spurious suppression characteristics can solve this problem and it has excellent bandpass symmetry and stopband attenuation characteristics at high frequency.
具有杂波抑制特性的带通滤波器不仅可以实现这个功能，同时由于抑制了杂波还可以提高带通滤波器的通带对称性以及高端阻带的衰减特性。
The experimental(results) show that the EMI level of the integrated motor system has an obvious attenuation after adding snubber and filter.
实验结果证明，增加缓冲电路和滤波器后，一体化电机系统的传导干扰强度明显减弱。
Band stop filter made with this structure has narrow gap and steep attenuation.
利用该结构制作的带阻滤波器，阻带窄、衰减陡峭。
The power line channel noise is simulated by MATLAB and the attenuation is simulated through the channel transmission module of FIR filter.
利用MATLAB及用fir滤波器做信道的传输函数模型对信道噪声和复衰减特性分别进行了建模。
A kind of inverse sampling filter is designed in order to compensate this attenuation and some methods is proposed to save the design resource.
文中设计了补偿此衰减的数字滤波器，并提出一种节省资源的高效实现方法。
The transmission zeros(TZ) of Quasi-elliptic function filter could be placed in any position, so the attenuation out of band is controllable, then a high selection performance could get.
准椭圆函数滤波器的传输零点，可以位于阻带内的任意位置处，这能更加灵活地对滤波器的带外抑制度进行调节，其矩形系数可以做得很高。
The filter (300) has an anode side (302) and a cathode side (304), wherein the cathode side (304) has a higher attenuation coefficient than the anode side (302).
该过滤器（300）具有阳极侧（302）和阴极侧（304），其中，所述阴极侧（304）具有比所述阳极侧（302）更 高的衰减系数。
An approximation method is presented for a new type of general parameter filter whose attenuation response in the passband is maximally flat.
本文提出一种新类型(通带衰减为最大平坦型)的通用参数滤波器的逼近方法。
This paper presents a new adaptive multilevel median filter based on direction information measure to solve the contradiction between noise attenuation and image details-preserving (edge-preserving).
针对图像滤噪中滤除噪声和保护细节(边缘)的矛盾，本文提出一种新的基于方向信息测度的自适应多级中值滤波器。
The high-order multi-band-pass FIR filter designed with this algorithm is featured by big attenuation in stop-band and small ripple in pass-bands.
用该算法设计的高阶多通带滤波器，其幅频响应的阻带衰减很大，而通带波动很小。
The high-order multi-band-pass FIR filter designed with this algorithm is featured by big attenuation in stop-band and small ripple in pass-bands.
用该算法设计的高阶多通带滤波器，其幅频响应的阻带衰减很大，而通带波动很小。
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