Band-stop filter was used in preprocessing circuit for multi-element IR missile seeker in order to restrain heavy cloud clutter background. 多元红外导引头为了对抗云团等大背景干扰,在预处理电路中加入了陷波器。
Band-stop Filter Based on Spiral Coplanar Waveguide Defected Ground Structure 表面等离子激元光波导与滤波器设计基于螺旋型共面波导DGS的带阻滤波器
Preparation of 10 MHz Band-stop Crystal Filter Modeling of power transformer in wide frequency range and analysis of the impedance characteristic 10MHz带阻型压电石英晶体滤波器研制电力变压器的宽频带建模及阻抗分析
Design and fabrication of all the band-stop crystal filter in all pass network 全通型带阻晶体滤波器的设计和制造
Meanwhile, this method can be extended to the design of band-stop filter. 同时,该方法可以推广至带阻滤波器的设计。
But the traditional band-stop filter is difficult to achieve very narrow stop-band, because the traditional structure of band-stop filter is hard to achieve very small coupling. 但是传统的带阻滤波器实现非常窄的阻带是非常困难的,因为传统的结构实现很微小的耦合量非常困难。
A frequency selective surface ( FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter. 频率选择表面(FSS)是具有选择频率功能的一块金属周期结构,它可以被设计成低通、高通、带通、带阻滤波器。
The results strongly show that this technique of structure and parameter hybrid optimization based on genetic programming can synthesize analogue band-stop filter, which is well demonstrated the feasibility and validity, and has good performance. 实验结果表明,基于遗传编程的结构与参数混合优化的方法,可以设计出功能达到既定目标的模拟带阻滤波器,这进一步证明了该方法的可行性与有效性。
When we have to suppress the interference signal which has a very narrow bandwidth in some communication systems, a band-stop filter with a very narrow stop-band will be useful to solve the problem. 有的通信系统中需要对一些具有很窄带宽的干扰信号进行抑制,这就需要一种阻带很窄的带阻滤波器。
Based on the traditional stripline band-stop filter, with the use of the capacitive coupling stub harmonic structure and spiral resonator structure used to replace the coaxial, the size of the filter can be effectively reduced. 3. 论文以传统的带状线带阻滤波器作为着手点,采用电容耦合短截线谐振结构,将同轴线谐振器变换成螺旋线结构,有效地缩小了滤波器的体积。
On the basis of researching and analyzing several latest miniaturized band-stop filters, a new type band-stop filter which use the SIR technology and the capacitive loaded transmission line is designed. 本文在对几种最新小型化带阻滤波器进行了研究分析的基础上,采用电容加载传输线技术和强加载SIR技术相结合的办法,设计出了一种新型的SIR带阻滤波器。
The technique MTD, as a band-pass filter, is based on MTI that is a band-stop filter. MTI为带阻滤波,MTD是在MTI的基础上发展而来的,为带通滤波。
Furthermore, it is widely applied in most communication systems for spatial band-stop filter. 同时,它还被广泛的运用在通信系统中如空间带阻滤波器。