由于长周期光栅在较高次包层模谐振时的特殊性，在光栅制作的过程中会出现与其它包层模谐振不同的特性。
Since the characteristics of higher order cladding mode resonances are specific in LPG, it will exhibit different phenomena during the process of grating manufacturing.
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
这种较高次包层模谐振将导致极宽带的长周期光栅，论文中还预计了这种长周期光栅未来的应用。
Such higher order cladding mode resonances will result in ultra-broadband LPG. The possible application of such an LPG is predicted.
根据模平方运算自身的特点，选用了多项式基进行运算，使模平方运算在一个时钟周期完成，比直接调用模乘运算提高一半以上的速度。
Using multinomial radix, the modular square will be finished in one period of the clock, which is faster than using the point multiplication directly.
通过预处理滤除工频周期分量，消除了小波变换在信号峰值处的模极大值，从而避免了对故障的误判。
As wavelet module maxima occur at peaks of signal, the pretreatment removes power frequency periodic components from electric signal and thus avoids misjudgments of fault.
为减少修边模的开发周期和成本，提出一种基于板料网格变形的修边线确定方法。
To reduce the cost and lead time of developing a trimming die, a method to obtain the trimming line in flange process is proposed on the basis of blank grid deformation.
利用耦合模理论分析了在双锥光纤耦合区中声光的相互作用，讨论了在不同耦合区半径下扰动周期与声波频率的关系。
The acoustooptic interaction in biconical optical fiber was analyzed based on coupled mode theory, and the relationship between perturbation period and flexural wave frequency was discussed.
本文应用耦合模理论分析了长周期光栅的光谱特性。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
塑料异型材挤出模是塑料异型材生产的关键技术设备之一，直接决定着型材制品的质量和生产周期。
The extrusion die for plastic profile is the key equipment of its production, and has a great effect on the quality and the production circle.
为了能够快速响应多变的市场需求，在模具设计与制造过程中运用虚拟原型技术可以有效地降低模具制造和试模的成本，缩短制造周期。
To answer the requirement of changeable market during mould design making process the virtual prototyping technology can be cut down the cost of mould making test mould and shorten making period.
本文提出以钢锭模一个使用周期的温度场和应力场的数值模拟结果为依据优化设计钢锭模的方法。
In this paper, the optimum designing method for dimension of ingot mould based on numerical simulation of temperature and thermal stress field in a cycle of use is proposed.
对一般群分次环建立了弱分次周期根的概念，证明它是一个分次特殊根，给出了它的分次模刻划，讨论了它与自反周期根的关系。
The weakly graded periodic radical concept for general group graded rings is established, the fact that it is a graded special radical is proved and its graded module characterization is presented.
由此产生的近终型制模技术，可以极大的缩短制模周期、降低生产成本。
Rapid near net shape casting technology can reduce the period of making model and the cost.
覆盖件拉延模设计制造周期的长短和质量对新车型的开发周期、汽车产品的质量和竞争力有着直接影响。
The design and manufacturing time and quality of panel dies have direct effect on the development period, quality and competitive capability of new car.
它通过常见的谐振波长与周期的关系曲线，不用解耦合模方程就可以直接分析LPFG的振波长的漂移和调谐特性。
Through the curve of resonant wavelength versus period, we present a new method to analyze the shift of resonant wavelength of LPFG during UV laser writing without solving the coupled-mode equations.
从麦克斯韦方程出发详细推导了周期性介质波导的耦合模方程。
Detailed coupled-mode equations of periodic dielectric waveguides are deduced from Maxwell equations.
语言模因在模仿、复制和传播的过程中具有模仿的选择性、复制的周期性和传播的变异性特点。
During the process of imitation, copy and spreading, linguistic memes embody the following characteristics: the selectivity of imitation, the periodicity of copy and the variability of spreading.
应用喷涂成形技术制造模具是一种周期短、成本低的制模方法。
Producing tooling by spraying-forming technology is a method of rapid tooling with reduced the cost and time.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究，推导出谐振波长应变灵敏度的解析表达式。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
用严格模匹配与多模网络理论相结合的方法，对几种周期介质结构的传输特性进行了深入的分析。
The transmission characteristics for different kind of periodic guiding structures were analyzed with a method of rigorous mode matching method combining with multimode network theory.
CAE平台作为一个一体化的环境，能支持FACTS装置控制器设计的整个生命周期，即理论设计、数字仿真、在线调试、动模实验和实时运行。
CAE platform can support the whole cycle of the design of FACTS equipment, including theoretical design, digital simulation, regulation on line, physical experiment, and real time operation.
多工位级进模精度要求高，结构复杂，传统的串行开发存在着制造难度大、生产周期长的缺点。
Because of the high precession and complicated construction requirements, the multi-stationed progressive die is hard to process with the traditional serial development besides a long production term.
随着场模结构参量的增大，熵压缩的演化周期缩短，压缩时间延长；
The influences of the atomic motion and the field mode structure on the atomic entropy squeezing are discussed.
将修正的矢量等效折射率模型和耦合模理论相结合，系统地研究了光子晶体光纤长周期光栅(PCFLPG)的特性。
The properties of long period gratings in photonic crystal fibers (PCFLPG) are systematically analyzed by the improved full-vector effective index model and the coupled mode theory.
实验研究了该型长周期光纤光栅的压力和温度特性；结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
其次从耦合模理论出发，建立了长周期光纤光栅的数学模型。
From coupled mode theory, the mathematical model of LPG was established.
在翻制模具模块时，采用数控加工的泡沫模样代替传统的木模，大大缩短了模具的设计与制造周期，同时提高了模具的精确度，降低了成本。
Nc machining foam pattern has been used to replace wooden pattern with shorter periodicity of mold design and manufacture, increased precision and reduced cost.
语言模因具有模仿的选择性、复制的周期性以及传播的变异性等特点。
Linguistic meme has the characteristics of the selectivity of imitation, the periodicity of copy and the variability of spreading.
最后，对共模噪声周期能量的误差进行简单分析。
Finally, I analyse simply the error of the common-mode noise.
多工位级进模的特点是生产效率高，生产周期短，占用的操作人员少，非常适合大批量生产。
Multi-position into the mold is characteristic of high production efficiency, production cycle is short, the more few operators, very suitable for mass production.
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