数值模拟显示,利用色散缓变光纤中的调制不稳定性可以产生高重复率的基本孤子脉冲串。
The numerical simulation also shows that fundamental soliton pulses with high repetition rate can be generated in this kind of fiber by modulation instability.
调试结果表明,采用进给单元模糊控制和脉冲电源模糊控制相结合的方法,大大提高了系统的稳定性及加工效率。
Elementary experimental results show that the control system adopts the fuzzy control of the feed parts and the pulse power generator, and increase the system stability and machining efficiency.
数据处理中,采用了去极值平均滤波的数字滤波方法,有效地抑制了随机干扰及脉冲干扰,增加了系统的稳定性,提高了测量精度。
To restrain random interference and pulse interference and improve measurement accuracy and stability, the digital filtering method which average the data crossing the extremum out is adopt.
对具有密度依赖生育脉冲的模型,运用频闪映射,结合分支理论和数值分析,得到了正平衡态的存在性、稳定性;
For the model with time-dependent birth pulses, using the stroboscopic map, the theory on bifurcation and numerical analysis, the existence and stability of the positive equilibrium are obtained.
装置具有长期和短期的稳定性及脉冲的再现性。
The apparatus is characterized by excellent long and short term stability and pulse reproducibility.
研究了具有线性脉冲作用的常微分系统平衡态的稳定性问题。
The stability of equilibria of ordinary differential systems with linear impulse is discussed.
研究表明,有机相连续时,与其它结构参数的喷嘴板相比,标准喷嘴板脉冲萃取柱具有操作通量大和稳定性好的优点。
The results indicate that the pulsed extraction column provides high operating capacity and stability using a standard nozzle plate rather than other cartridge geometry nozzle plates.
在恶劣电磁环境下,对现场可编程逻辑阵列(FPGA)工作稳定性影响较大的是外界杂波脉冲和毛刺信号。
This paper introduces that some measures of restraining pulse jamming and enhancing the stability of FPGA chips in bad electromagnetic circumstance.
本文讨论了一类脉冲神经网络的周期解的指数稳定性。
This paper discusses the exponential stability of periodic solution for impulsive neural networks.
运用李雅普·诺夫直接方法研究了脉冲微分系统及其摄动系统关于两个测度的实际稳定性。
The practical stability in terms of two measures of impulsive differential systems and its perturbed systems is developed by Lyapunov direct method.
改性后超稳Y型分子筛的晶体结构热稳定性增加,脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
概叙了混合脉冲系统稳定性的近几年的一些主要成果,并着重介绍了研究混合脉冲系统稳定性的一个统一方法。
The authors reviewed briefly the major researches in the hybrid impulsive systems in recent years. Attention is focused on the unified approach for stability analysis of hybrid impulsive systems.
本文研究马尔可夫调制的随机泛函微分系统和脉冲泛函微分系统的稳定性。
In this dissertation we consider the stability of stochastic functional differential systems with Markovian switching and functional differential systems with impulses, respectively.
运用比较原理和导数不连续的李雅普诺夫函数,结合分解集结等方法,研究具有滞后的测度型线性时变脉冲扰动大系统的全局指数稳定性。
The stability of time-delay and time-varying large scale systems with impulsive effect is investigated by means of the comparison principle and vector Lyapunov function with discontinuous derivative.
同时利用CMOS多谐振荡电路产生窄脉冲电流序列对前面处理过的非晶带进行激励,制作成灵敏度高、稳定性好、功耗低的弱磁场传感器。
A sensitive, stable and low power consumption magnetic sensor is constructed using a CMOS multivibrator circuit, in which a sharp pulse train current is applied to the treated amorphous ribbon.
研究了非线性脉冲微分方程零解的最终稳定性。
This paper investigated the eventual stability of the zero solution of nonlinear impulsive differential systems.
遗传载体—团簇的稳定性在于反复冷热激励与电脉冲孕育两因素的竞争。
The stability of genetic carrier (cluster) is dependent on the competition between repetitious cooling and heating impulse as well as effects of electric pulse modification.
运用脉冲响应函数等实证分析方法,检验汇率、股票指数变动对上海银行间同业拆放利率稳定性的影响。
Test the stability of exchange rate, stock indices to Shibor by the use of impulse response function methods and other empirical analysis.
使用了FPGA进行触发脉冲信号的调制,提高直流调速系统的性能及稳定性。
FPGA is used to modulate spring pulse signal so as to improve the capability and stability of the DC timing system.
这种脉冲电镀工艺适用于以上三种材料,稳定性好,得到的镀层外表美观,性能优异。
This pulse process parameters is the same with these three materials hereinbefore with good stability, and beautiful appearance, excellent properties for use.
本文主要讨论了两类动态系统—脉冲系统和脉冲切换系统的稳定性。
This paper especially discusses the stability of two types of dynamic systems which are impulse system and impulsive switched system.
人们不仅关注传统意义上的供电可靠性、稳定性以及各种参量偏离标称值问题,而且也对诸如振荡和脉冲之类的动态扰动现象开始重视起来。
Not only the deviation of voltage and frequency from the rating value or other traditionally focused problems, but also the dynamic disturbance phenomena including oscillation and pulse are concerned.
借助于向量李雅谱诺夫函数,通过建立一个新的比较结果,研究了具有固定时刻脉冲的控制系统的实际稳定性。
Utilizing piecewise continuous vector Lyapunov function, the practical stabilization of control systems with fixed moments of impulse effects by establishing a new comparison result is considered.
用连续波和调制脉冲波两种方法研究了由慢电子漂移引起的增长离子声波不稳定性。
The growing ion acoustic wave instability caused by the slow electron drift is studied by both CW and pulse modulated wave methods.
文中介绍了一种评定脉冲中子源产额稳定性的新方法。
A new method of evaluating yield stability for pulse neutron source was introduced in this paper.
本文最后部分对输出光脉冲的模式稳定性也做了研究,研究和分析了能够实现单模输出的典型复合腔结构及具体的选模方法。
The final part of the paper we analyzed the stability of the mode of the output optical pulse, as well as the mode's selection the design of complex cavity for realizing single mode.
另外,输出脉冲波形和波形的稳定性通常也依赖于开关器件的性能。
In addition, the output pulse shape and the pulse-to-pulse stability usually depend on the performance of the switching units.
研究了自变陡效应对色散缓变光纤中光脉冲的调制不稳定性的影响。
The effect of self steepening on the modulation instability of optical pulses in decreasing dispersion fibers is investigated.
分析研究了空间光孤子脉冲化后在反常群速色散的克尔非线性平面光波导中的传输特性和稳定性。
Evolution of pulses obtained by modulating spatial optical solitons in a Kerr nonlinearity planar waveguide with anomalous dispersion is investigated.
第五章,在讨论了上述稳定性的基础之上,把上述方法应用到脉冲控制微分系统上。
In the final chapter, some approaches mentioned above are also utilized to deal with impulsive control differential systems.
应用推荐