在激光倍频时这种波得到增强，并随倍频的位相失配角变化。
In SHG of 1064nm laser radiation, the stress wave are enhanced and vary with the variation of phase mismatching angle.
位于T形接合部上的L形带阻滤波器亦用来抑制第一谐振频率的倍频的谐振。
An L-shaped band elimination filter on the T-shaped joint part is also used for restricting the resonance of the frequency multiplication of the first resonance frequency.
增量式磁旋转编码器作为转角位置传感器，可以用四倍频的方法提高其测量精度。
The incremental magnetic rotary encoder, as a corner position sensor, can be improved its measure accuracy by the way of quadruplicated frequency circuit.
第四章论述了准相位匹配切伦科夫倍频的优化，理论分析和模拟了准相位匹配切伦科夫型参量放大。
In chapter four, the optimization of quasi-phase matched CSHG is demonstrated. Parametric amplification in the Cerenkov-idler configuration is modeled and analyzed theoretically.
本文报告了用光学方法研究高增益、低阈值的新型自激活自倍频的四硼酸铝钇钕(NYAB)晶体的缺陷。
In this paper the defects in a new type of high-gain, low-threshold, self-active, self-frequency-doubling NYAB crystal are investigated by optical methods.
在干涉型光纤传感器的实用化设计过程中，相位随机漂移补偿及强信号下出现的倍频的消除是关键问题之一。
During the design of a practical interferometric fiber-optic sensor, one of the key problems is to compensate phase random shifting and eliminate frequency doubling caused by strong signal.
介绍了利用DSP和MAX115构成的系统对光栅传感器的两路输出信号进行高速同步采集，以及对光栅信号实现200倍频的软件细分方法。
Measure of simultaneous-sampling two channel signals sent from grating sensor, and soft-subdividing of moiré fringes in 200 based on simple system composed of DSP and MAX115 were introduced.
但是人的听觉范围大约是10个倍频程，因此人们希望任何合理的合成器V CO其操作范围至少应有5个倍频程，以达到音乐方面的有效性。
However, the range of human hearing is about 10 octaves, and any reasonable synth VCO is expected to operate over a range of at least five octaves to be musically useful.
本文中将倍频晶体分割成无数多个小倍频单元，并导出每个倍频单元中的谐波功率与倍频效率。
In this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.
给出理论和实验结果，证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。
The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octave frequency band of the polarizer.
选择合适的基质，可产生自倍频可见激光。
计算并分析了离散角对有效二阶非线性系数和倍频效率的影响。
The influences of walk-off Angle on effective second-order nonlinear coefficient and SHG efficiency were also analyzed.
对宽带倍频光的光束匀滑及聚焦特性的研究，可为实现靶面均匀辐照提供参考。
The study on the beam smoothing and the focusing properties of the broadband harmonic field can provide valuable reference to the experiment.
其中重点论述了有源倍频器的工作原理、设计方法以及详细的设计过程。
The principles, design method and process of PHEMT frequency doubler are presented particularly.
但是，与快速傅立叶变换相比，倍频旋转变换理论所需要的计算时间很长，这在一定程度上影响了它的广泛应用。
But compare with FFT, the calculation time needed by the multiple frequency rotate transform is very long, which has influenced its wide application to a certain extent.
每次循环跌代叠加另一个两倍频率的倍频。
Each iteration of the loop adds another octave of twice the frequency.
对影响倍频光转换效率的因素进行了讨论。
The factors which have an effect on conversion efficiency were discussed.
通过模拟还发现，对要求的频段，通过加入电子收集极的方法，可以有效地提高功率和压制倍频现象的发生。
Simulation results show that the output power of microwave is enhanced and the phenomenon of multiple frequencies is also suppressed by adding an electron collector.
本文研究了V波段四倍频器的设计和研制方法。
This thesis presents the design and manufacture of a V-band frequency quadrupler.
定量分析了数字式锁相倍频器输出信号的相位抖动。
The phase jitter of output signal of the PLL( phase locked loop) frequency doubler is analyzed.
本文首次对我国生长的铌酸钾晶体的光学倍频特性进行了系统的理论计算和实验研究。
This paper presents systematic theoretical calculations and the experimental investigations of the doubling frequency character of the crystal KN grown in China.
提出了一种基于倍频电路的直线伺服电机与PLC接口转换电路。
A converting circuit was proposed based on frequency-multiplier circuit for linear servo motor and PLC interface.
利用这一方法，可以以软件方式完成噪声倍频程分析的数字计权处理，并且能够实现系统误差修正。
Using this technique, digital weight and digital system error modification for noise octave analyzer can be realized by software.
谐波测量方法是谐波测量的核心环节，本文对基于倍频旋转变换理论的谐波测量方法进行了研究分析。
Harmonic measure method is the key of the measurement. In this paper, the harmonic measure method which based on the multiple frequency rotate transform theory is researched and analyzed.
本论文的任务是设计并实现基于FPGA及数字倍频技术的集成保护中数据同步采集系统。
The thesis presents the design and realization of a data synchronous acquisition system in integrated protection based on FPGA and digital frequency multiplying technique.
提出了一种电力有源滤波器补偿参考电流的倍频调制检测新方法。
A new method of detecting compensating reference current for active power filters by frequency multiplication modulation (FMM) is presented in this paper.
本文论述了ADC倍频电路的工作原理，介绍了框图和各电路的功能。
This paper offers the theory of the ADC doubling circuit and introduces the blocks and the function of each circuit.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
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