Double frequency, double amplitude.
双频率、双振幅。
Double frequency wave distortion has been found in the experiment.
实验上观察到了倍频失真。
This double frequency distortion can be used to double frequency of incident signal.
这种倍频失真可用于对入射信号进行倍频。
Objective: To observe the effect of double frequency YAG laser in treating pterygium.
目的：观察倍频y AG激光治疗早期翼状胬肉的临床效果。
It can explain the double frequency chatter and the change of superior frequency in chattering process.
该规律能全面描述机床双频颤振现象和颤振过程主频带移动的原因。
This research will play instructive effect at improvement of crystal double frequency conversion efficiency.
所做的研究对提高晶体的倍频效率具有指导意义。
The range of double frequency is from 1 to 999. The double frequency number is selected directly by software.
该倍频器的倍频范围为1～999，倍频值可直接由软件选择；
So a method of 3d measurement technology based on virtual grating of double frequency was present in the paper.
为解决该问题提出了利用双频虚拟光栅投影的三维测量方法。
This paper presents a double frequency automated grid method, which applies more nodes in the stress concentration field.
本文提出了双频自动网格法，在应变集中区域增加节点。
The fraction frequency and double frequency scattering peaks exhibit similar scattering behaviour as the resonance scattering.
分频散射和倍频散射峰与共振散射峰具有相似的散射行为。
It reveals the probability and conditions of extra-low frequency oscillation and double frequency oscillation in power systems.
该分析揭示了电力系统产生超低频振荡和倍频振荡的可能性和条件。
Vedio process module mainly accomplishes vedio decoding, AD conversion, interlace to progressive conversion, double frequency, etc.
视频信号处理模块主要完成视频解码、模数转化、隔行转逐行、倍频等功能。
The OH - transmissive spectra, photo damage resistance, photo conductivities and the double frequency properties have been measured.
测试了晶体的红外透射光谱、抗光损伤能力、光电导和倍频性能。
Gear system besides Double frequency converter controller, making machine simpler operation and more stable when high-speed working.
整机为双变频控制的基础上添加了齿轮传动系统，使整机操作简单、高速运行更加稳定。
Meanwhile, this technology cooperating double frequency chain can also generate wide band and ultra-wide band radar pulse compression signals.
同时，利用中频数字直接产生技术辅以倍频链还可实现宽带、超宽带雷达脉冲压缩信号的产生。
Computer memory play, and set various broadcast modes such as time play, double frequency scanning, low speed, stop motion, paragraphs repeat, etc.
电脑记忆播放，设置时间播放，倍速扫描、慢速、逐格、段落重复等多种播放方式。
The node is used as sampling flag and the beat-wave fringe fraction is measured with double frequency interferometer combined by optical components.
该装置以拍波合成的场强信号的节点为对准标志，以光路组合形成的双频激光干涉仪测量尾数部分。
This paper deals with the natural convection temperature field of unlimited heated Plate with schlieren shearing interferometry of double frequency gratings.
用双频光栅纹影剪切干涉法对无限热平板的自然对流温度场进行诊断。
This article shows how to choose the double frequency crystal in the properties of basic wave beam provided and how to choose the suitable ways of phase match.
本文提供在已知基波光束性能的情况下、如何选择合适的倍频晶体，以及相应的相位匹配方式。
On constant frequency ratio, loading ratio has an importance influence on the initiation and propagation of fatigue crack under double frequency complex loading.
在频率比确定的条件下，载荷比是影响双频疲劳裂纹萌生及扩展的一个重要因素。
Objective to evaluate the treatment effect of using the double frequency Laser 532 to treat the pathological changes of retina due to diabetes before proliferation.
目的评价倍频532半导体激光器治疗增殖前期糖尿病视网膜病变的疗效。
In the light of the performance features of KNUDSEN 320M detector, this paper analyzes on the application of double frequency detector in the water-depth measurement.
针对KNUDSEN 320M型测深仪的性能特点，介绍了双频测深仪在水深测量中的应用。
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.
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。
The experimental results indicate that the signal intensity is not strong enough when using quadruple frequency laser probe. Therefore, we choose double frequency laser as the probe.
实验发现采用设计的四倍频激光探针时，探针信号强度不够，因此改用二倍频激光探针。
The edge transition of pulses from incremental encoder can be detected with double frequency to improve measurement precision, and to avoid measurement errors and accumulative errors.
汉字和图形相结合。对增量编码器的脉冲信号沿变化进行倍频检测，提高分辨精度，避免计数误差和累积误差。
Adopting mutually orthogonal magnetic fields, the power tuning curve is utilized for stabilizing optical frequency, the frequency difference drift of double frequency is lower greatly.
采用正交磁场由功率调谐曲线实现稳频，可使双频频差的漂移量大大降低。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
The Angle spectrum analysis of self-image of double frequency grating is given. The grating duplication and the measurement of lens focus are obtained by Tablot effect of holographic phase grating.
本文给出了双频光栅自成象的角谱分析，并利用位相型的全息双频光栅的太保效应来进行复制光栅和测定透镜焦距等。
Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.
另一项实验表明，体育运动——尤其是剧烈的运动——可以使呼吸频率增加一倍，但这对打哈欠的频率没有影响。
It is a self frequency double laser in some hosts.
选择合适的基质，可产生自倍频可见激光。
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