1.
third-octave filter set
1/3倍频程滤波器组
2.
third octave filter
1/3倍频程滤波器
3.
Octave-band and fractional-octave-band filters
GB/T3241-1998倍频程和分数倍频程滤波器
4.
A 3.35-15G Load Capacitance 4.5 Octave High-pass Waveguide Filter
3.35-15G电容加载4.5倍频程高通波导滤波器
5.
In the stopband of an LPF with a6 dB/ octave slope, for example, every time the frequency doubles, the amount of attenuation increases by6 dB.
例如，在低通滤波器的抑止频带，八度音程（分贝）率表示频率每翻一倍，衰减量就降6分贝。
6.
THE APPLICATION OF FREQUENCY MULTIPLICATION MODULATION IN DETECTING CURRENT FOR ACTIVE POWER FILTERS
倍频调制在电力有源滤波器电流检测中的应用
7.
31 Bit Low Frequency SAW Programmable Matched Filter
31位低频声表面波可程序匹配滤波器
8.
mixer-filter frequency synthesizer
混频滤波式频率合成器
9.
line separating filter
线路频带分隔滤波器
10.
Joint filter spectrum sensing algorithm using filter banks
滤波器组的多滤波器联合能量频谱感知算法
11.
Single Frequency Estimator Based on Prefilter
基于前置滤波器的单频信号测频方法
12.
Dual Wavelength and Dual Pulse Q-switched Frequency Doubling of Tunable Cr:LiSAF Laser
双波长双巨脉冲调Q倍频Cr:LiSAF激光器
13.
Design of Millimeter Planar Super Broadband Doublers
一种毫米波超宽带平面倍频器的设计
14.
crystal filter heterodyne analyzer
装有晶体滤波器的差频分析器
15.
Researches on the High Orders Harmonics and Their Filters in UHVDC Transmission Systems
特高压直流输电高频谐波及高频滤波器的研究
16.
All-solid CW Intra-cavity Frequency-Doubled and Frequency-Stabilized Nd: YVO_4/LBO Red Laser;
连续波Nd：YVO_4/LBO稳频倍频红光全固态激光器
17.
ceramic filter IF amplifier circuit
陶瓷滤波器中频放大电路
18.
multi-section filter IF amplifier circuit
多节滤波器中频放大电路