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.
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。
By means of mathematical calculation and numerical simulation, the chirp evolutions are plotted using MATLAB. hence the phenomenon of self-frequency shift can be studied.
运用数学求解及数值模拟方法，通过MATLAB编程画出了啁啾演变图，据此来研究自频移现象。
Nicole Ellison of Michigan State University found that the frequency of networking site use correlates with greater self-esteem.
密歇根州立大学的尼科尔·埃里森发现，社交网站的使用频率与自尊心的强弱有正相关。
We have already mentioned the problems associated with insuring high frequency, low severity events and they certainly fall into the self-retention category.
我们已经提到过一些跟高频率低幅度的事件有关的风险，它们肯定归入自我保留一类。
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。
Fluid density is measured by self push resonant principle and frequency tracking method.
流体密度的检测是采用自激振荡原理和频率跟踪法得到的。
Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.
在变切削参数的加工工况下，通过对振动信号的采集和频域处理，发现采用单一的自功率谱方法难以有效检测出刀片破损。
A self - organized fuzzy control system used for a dual wavelength frequency stabilized CO2 laser with high precision is presented.
报道了一种用于高精度双波长稳频CO2激光的自组织模糊控制系统。
Effects of low frequency field on mechanical properties of injected specimens were explored by self made low frequency vibration injection molding(VIM)device.
利用自行研制的振动注射成型装置进行注射样条实验，研究低频振动场对注射样条制件的物理力学性能的影响。
Furtheremore, the analysis indicates that the Doppler frequency shift cannot be Used to explain the wavelength self-scanning initially towards the longer wavelength.
进一步的分析显示，多普勒频移不能解释朝长波方向扫描的波长自扫描现象。
To reduce EMI, a frequency synchronization pin allows multiple ICs from the family to self-synchronize or to synchronize to an external clock.
为了减少EMI，一个频率同步的引脚允许此系列的多重IC实现自同步或与外部时钟同步。
Each filter has flexible adjustability of its time window and frequency bandwidth. Therefore, high mode resolution and short observation time window can be self-adaptively achieved.
每个滤波单元时频域带宽柔性可调，能根据测量要求自适应取得较高的模式分辨率和较短的观测时窗长度。
The light self weight, large flexibility, small damp and low natural vibration frequency make it very sensitive to wind load.
大跨空间结构自重轻、柔性大、阻尼小、自振频率低，对风荷载比较敏感，风荷载已经成为大跨空间结构设计的重要荷载。
It is found that the main effect of self steepening is the reduction of the growth rate and the frequency range over which the gain occurs.
发现自变陡效应使增益谱的谱宽变窄、振幅的增长速度减慢，而且其影响程度与色散缓变参量有关。
The frequency of the self-mixing interference signal is acquired by time-frequency analysis, and this frequency is equal to the Doppler shift, so the velocity of external object is gained easily.
该方法通过时频分析获得自混合信号频率随时间的变化，利用激光与外部物体相互作用后的多普勒频移与信号频率相等的关系，非常方便的获得了外部运动物体的速度历史信息。
Then a classified frequency sensitive self-organizing feature map(CFSSOM) was proposed for the codebook training.
并对SOM算法进行了改进，提出了一种分类频率敏感自组织特征映射（CFSSOM）算法。
It is pointed out that the self-induction coefficient is relative to the current frequency in the actual conductor circuit, even if there is not any magnetic medium.
指出在无磁介质存在的条件下，实际导体回路的自感系数也与电流频率有关。
The most effective strategies rely on strict self-discipline that lowers the size and frequency of trade execution, keeping cash levels high until the return of favorable conditions.
最有效的策略依赖于严格自律，降低交易的规模和频率、保持资金水平直到有利的市场条件回归。
This paper discusses the necessity of setting up the high frequency electrical knife safety system and its functions of the output frequency control, the time control and the self-test.
本文介绍建立高频电刀安全保障系统的必要性，以及该系统应具有的输出频率检测，时间检测和自检等功能。
The influence on measurement frequency of self-integration resistor was explored in theory.
理论上探讨了自积分电阻对测量频率的影响。
Compared with other frequency measurements, the method based on the ASIC makes use of simple periphery circuit around MPU and can self-adapts the variation of input signal frequency.
基于ASIC的方法与其他频率测量方法相比，MPU外围电路简单，能自适应输入信号频率的变化。
Multiple regression analysis showed that the score of SDS was correlated with the self-efficacy, help seeking, self-accusation, economic status and frequency of seizure.
多元逐步回归分析显示，对癫痫患者SDS分值影响最大的是自我效能感、求助、自责、经济情况、发作频率。
This paper presents a self-adaptive vowel-frame detection algorithm based on energy distribution analysis in frequency domain.
本文提出了一种基于频域能量分布分析的自适应元音帧提取算法。
In wideband auto-correlation receiver, signal after self-mixing is sine signal. A synthetic algorithm is proposed for sine signal frequency estimation.
在宽带自相关接收机中，自混频后的信号为正弦信号，本文提出了一种综合算法估计正弦信号的频率。
A simple approach based on an analysis of the location of second-order parasitic poles is used to suppress the self-sustained high frequency oscillations usually found in these circuits.
通过系统分析二阶寄生极点，提出了解决这类电路高频自激的方法。
Under the values of given self-excited capacitors, rotor speeds and loads, the external characteristics are obtained by calculating the magnetizing reactance and frequency.
在给定自激电容、转速和负载的情况下，通过计算激磁电抗与输出频率，进而得到外特性。
The paper introduced design of a data collection system of simulation training for using self-rescuer based on radio frequency technology and introduced design of its software and hardware in details.
文章介绍了一种基于无线射频技术的自救器使用模拟培训数据采集系统的设计，详细介绍了该系统的软、硬件设计。
Self-excitation of induction motors caused by output LC filters of variable voltage variable frequency(VVVF) power supplies is harmful both to the motor and the power supply.
变频器LC滤波器中电容器与异步电机之间自激引起的过电压会对逆变器和电机本身产生危害。
The effective inductor, Q-factor and the self-resonant frequency are extracted from S-parameters.
从得到的散射参数中提取出有效电感、Q值和自谐振频率。
This paper is an analysis of self-stabilization frequency principle of the single frequency He-Ne laser.
本文首次对这种激光器的自稳频原理进行了分析。
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