1.
octave and third octave spectrogram
倍频程及1/3倍频程频谱图
2.
one-tenth decade
１／１０的十倍频程
3.
Octave-band and fractional-octave-band filters
GB/T3241-1998倍频程和分数倍频程滤波器
4.
third-octave filter set
1/3倍频程滤波器组
5.
third octave filter
1/3倍频程滤波器
6.
It covers about an octave.
它大约占一个倍频程。
7.
The interval between any two frequencies having a ratio of2 to1.
倍频程频率比率为2比1的两个频率的间隔
8.
Research on the Real-Time Octave Analysis System Based on μC/OS-Ⅱ;
基于μC/OS-Ⅱ的倍频程分析系统的研究
9.
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
10.
Induced Diffraction and Dispersion in Phase Mismatched Second Harmonic Generation;
光学倍频过程中感应衍射及色散的研究
11.
New Method for Phase Velocity Compensation of Frequency-doubling of Femtosecond Laser Pulses
飞秒脉冲倍频过程中的相速度补偿新方法
12.
Investigation on the Thermal Effect in BBO Crystal by Low-power Pumped Frequency Doubling
低功率抽运下BBO晶体倍频过程中热效应的研究
13.
A frequency multiplier which multiplies the frequency of an input signal by two.
使输入信号的频率加倍的一种倍频器。
14.
A PLL Frequency Synthesizer with High Multiple-Frequency
一种多倍频选择的高倍频锁相环频率合成器
15.
Investigation of Quantum Properties of Output Fields from External Cavity SHG;
外腔谐振倍频过程输出光场非经典特性的实验研究
16.
A Radio Frequency Multiplier for the Rubidium Vapor Cell Frequency Standard
一种铷原子频标射频倍频单元的实现
17.
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。
18.
The key point of structure design and accuracy analysis in precision mount which is needed in the procession to obtain second and third harmonics generation is introduced.
介绍了实现倍频和混频过程所需的精密调整架的结构设计要点及其精度分析。