实验结果表明,该方法对特定的光纤传导系统的光谱非线性衰减有较好的校正效果。
It is proved that the method is fit for adjusting some optical fiber spectrum attenuation.
研究平面电磁波在等离子体中的非线性吸收衰减。
Nonlinear absorption and attenuation of electromagnetic plane wave in plasma are investigated.
本文通过在波浪水池中进行不规则波的船模横摇衰减试验,研究了波浪对非线性横摇阻尼的影响。
In this paper, the effect of waves on nonlinear rolling damping is researched experimentally through attenuation test of a model ship rolling in irregular waves in a wave tank.
针对带有不确定性和外界扰动的非线性系统,讨论了鲁棒自适应干扰衰减控制器的设计方法。
A design method of the robust adaptive disturbance attenuation controller for nonlinear systems with uncertainty and disturbance is discussed.
横摇非线性阻尼通常是在静水中进行横摇衰减试验确定。
The nonlinear rolling damping of a ship is usually determined by rolling attenuation test in calm water.
借助这一新方法,得到了非线性系统指数稳定的充分条件,并给出了解的指数衰减估计。
With this new approach, some sufficient conditions for the exponential stability of nonlinear systems are obtained, and the exponential decay estimation oft he solution is also proposed.
如果把瞬时频率作适当的非线性变化,就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
结果表明,青藏铁路沿线9个测站局地气温系统是明显的非线性系统,其演变周期大致在3~6年之间,气温振幅随时间增加而衰减。
The results indicate that the local-air systems at 9 stations along Qinghai-Xizang Railway are obvious nonlinear systems, and their inherent periods are form 3 to 6 years.
实验表明光漂白能破坏有机聚合物中极化分子的取向稳定性,造成其二阶非线性效应衰减。
Experiments show that photo-bleaching can damage the orientation stability of polarized molecules in organic polymer and cause its second order nonlinear effect to attenuate.
应用非线性泛函分析的理论和方法研究了一类二阶线性微分方程,证明了周期衰减解的存在性。
The second-order nonlinear differential equations are studied and the existence of the periodic degenerate solution is proved with the principle of the functional analysis.
孤立子能够既不发生衰减也不会改变波形地传播到较远的地方且具有类似粒子的特性,这主要是色散效应和非线性效应相互平衡的结果。
Soliton, like particles, can travel over long-distances without attenuation and changes of wave shapes, which is the result from the balance of the interplay between dispersion and nonlinearity.
本文报道了近年来我国在生物组织超声特性——传播速度、衰减、吸收、反射、散射和非线性声参量方面的研究进展情况。
We reported the main progress made in China in recent years of the study of ultrasonic tissue characterization-propagation velocity, attenuation, scattering and nonlinearity parameter, etc.
提出了能量衰减函数的概念,并由实际能量衰减函数与估算能量衰减函数之间的方差最小来确定非线性阻尼系数。
The concept of roll energy decay function is put forward, and the nonlinear damping coefficients are solved based on the minor error between actual energy function and evaluated energy function.
再针对湍流点扩展函数的衰减性质,建立了一个具有非线性和空间各向异性的正则化函数,使其在重建点扩展函数时能适当地进行空间梯度平滑。
Second, to match the decay nature of turbulence PSFs, an anisotropic and nonlinear regularization function is suggested to adequately regulate the PSF values in the process of rebuilding PSF.
对于同时具有非线性阻尼力矩和非线性回复力矩的情形,探讨了利用横摇自由衰减试验来测量横摇阻尼的方法。
The method of rolling decay model test for determing damping coefficient was discussed for the case of combined non-linearities both in terms of damping and restoring moment.
射线穿过物体的衰减是非线性的,经过影像系统得到的图像灰度与物体厚度是非线性的关系;
The attenuation of X-ray through the object is non-linear and the gray level of image is non-linear response of object thickness.
本文在考虑多个参数对雨衰减非线性影响的基础上,建立了基于进化神经网络的雨衰减模型,并与ITU - R模型进行了比较。
Considering the nonlinear affects of various parameters on rain attenuation, we propose a new rain attenuation model based on evolutionary neural network and compare it with the ITU-R model.
为抑制计算机层析造影(CT)系统重建图像中出现的金属伪影,提高图像的质量,采用一种基于金属投影非线性权重衰减的方法进行校正。
A metal artifacts reduction method using nonlinear weights was developed to suppress metal artifacts in X-ray CT(computerized tomography) images to improve the image quality.
利用能量法证明了具耗散边界条件和时间依赖系数的非线性波方程的能量指数衰减性。
By using the perturbed-energy method, the exponential decay of the solution is obtained for the nonlinear wave equations with time-dependent coefficients and dissipative boundary condition.
最后,本文给出了衰减系数的仿真实现,仿真结果也表明了应用衰减系数的新型多级非线性并行干扰删除器性能改善的程度。
And simulation results show that to what extent the performance of the novel multistage non-linear PIC based on attenuation factors can be improved.
发现在每个地震活动期里地震平静幕的持续时间以非线性方式衰减。
It is discovered that the duration time of quiescence episodes in each active period reduces in a non-linear manner.
利用本文建立的指数衰减模型能够较好地描述材料的非线性塑性应变幅与寿命之间的关系。
A new exponential dissipation model is presented to describe this bilinear material's plastic strain amplitude-fatigue life relation.
斯拉格试验理论模型包括指数衰减模型、欠阻尼衰减模型和非线性模型。
The theoretical models for slug test include exponential decay model, underdamped model and nonlinear model.
斯拉格试验理论模型包括指数衰减模型、欠阻尼衰减模型和非线性模型。
The theoretical models for slug test include exponential decay model, underdamped model and nonlinear model.
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