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.
octave and third octave spectrogram
倍频程及1/3倍频程频谱图
9.
one-tenth decade
１／１０的十倍频程
10.
mixer-filter frequency synthesizer
混频滤波式频率合成器
11.
line separating filter
线路频带分隔滤波器
12.
A wave whose frequency is a whole-number multiple of that of another.
调波一种频率是另一种波频率整数倍的谐波
13.
It covers about an octave.
它大约占一个倍频程。
14.
Moire fringe multiplication of superimposed gratings in coherent filtering system
迭合栅云纹在相干滤波系统中的倍增
15.
Single Frequency Estimator Based on Prefilter
基于前置滤波器的单频信号测频方法
16.
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
17.
Fabrication of PPLN Waveguide Second Harmonic Generation Quasi-phase Matched;
准相位匹配PPLN倍频波导的制备
18.
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