A novel holographic transmission bandpass filter(HTBF) is proposed in this paper.
提出一种新型透射式全息带通滤光器 ( HTBF) ,具有纳米级的窄带滤光特性。
Study on ultra-narrow band pass filter used for lightning detection;
闪电探测用超窄带通滤光片的研制
All-fiber acousto-optical tunable band pass filter with sandwich fiber structure;
三段式带通型可调谐全光纤声光滤波器
The paper depicts a sampling process based on band pass sampling theorem and using band pass signal under disturbances from a direct current.
本文基于直流干扰下的带通信号 ,运用带通采样定理进行采样 ,以低于两倍带通信号最高频率进行采样检测 ,使带通信号有效频段内不出现直流干扰 ,避免了混叠 。
Another Approach for Sampling of Compound Bandpass Signal;
另一种复合带通信号的采样方法
A novel bandpass filter based on SIW and defected ground structure;
一种基于SIW和缺陷地面结构的新型带通滤波器
Two-path Bandpass ∑△ Modulator Design;
双通道带通∑△模数调制器设计方法
One of the applications is to digitize the signal at intermediate frequency in a super-heterodyne receiver with a band-pass Sigma-Delta modulator.
25MHz,中心频率为20MHz的带通Sigma Delta调制器,提出了一种新的结构及其系数的计算方法,该结构的性能受系数变化的影响较小,其谐振器的输出摆幅也较小,因而降低了对运算放大器的设计要求。
By improving the conventional filter anticipated aberrance design method, a new design method of band-pass filter is proposed, which can solve the problems between the narrow band and linear phase in adapting the direct coupling capacitance or inductance.
通过对传统滤波器预畸设计法进行改进,得到一种新型的带通滤波器设计公式,它克服了在采用电容耦合或电感耦合带宽过窄及线性相位的问题。