1.
Study on Photosensitive Erbium Doped Optical Fibers and Bragg Grating-Assisted Coupler for Add/Drop Filters
光敏掺铒光纤和光纤布拉格光栅辅助耦合器型上下话路滤波器的研制
2.
Application of Adaptive Filter and DSP Technology in Telephone Circuit
自适应滤波器与DSP技术在电话电路上的应用
3.
group carrier supply narrow-band filter
群路载供给窄带滤波器
4.
receiving branch band-pass filter
接收支路带通滤波器
5.
low-pass filters in controlloops
控制回路中低通滤波器
6.
active filter hybrid
有源滤波器混合微电路
7.
line separating filter
线路频带分隔滤波器
8.
tunable optical branching filter
可调式光分路滤波器
9.
Under special conditions a BPF may also be used as an LPF or as an HPF.
在特殊条件下，带通滤波器也可以用作低通滤波器或高通滤波器。
10.
filter ,carrier-current, for line telegraphic or telephonic systems
载波滤波器,有线电报或电话系统用
11.
Relation between short-circuit-ratio and single-tuned filter performance
单调谐滤波器的滤波特性与短路比的关系
12.
Optimization of Low-pass Filter's Parameters in Harmonics Detection Circuit of Active Power Filter
谐波检测电路低通滤波器参数的优化
13.
The Design of Loopfilter Applied in AVS Decoder;
应用于AVS解码器的环路滤波器设计
14.
ceramic filter IF amplifier circuit
陶瓷滤波器中频放大电路
15.
multi-section filter IF amplifier circuit
多节滤波器中频放大电路
16.
ACC1- ACC2 adjust the filter pass band width.
ACC2调整过滤器通路波段的贷款。
17.
Power circuit design of series active power filters
串联型有源电力滤波器功率电路设计
18.
Simulation design of terminal open-circuit type interdigital band-pass filter
终端开路式交指带通滤波器仿真设计