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disturbance相关的网络例句

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By the expansion of a function in terms of spherical harmonics, solutions in form of separation about the asymmetry disturbance were studied. At last, by the theory of stability of differential equations, under the no limitation or less than 1 to the symmetry stationary radius, the asymmetry stability of stable and unstable conditions were obtained.

然后利用球调和函数展开,研究了有关扰动的偏微分方程的变量分离形式的解,最后根据微分方程稳定性定理,在肿瘤静止半径没有限制或肿瘤静止半径小于1的情况下,得到了非对称扰动的稳定和不稳定的条件。

Beijing is provided with typical urban landscape, forest land is the maximal and basal landscape patch type (area proportion 42.534%), glebe field (28.754%),spinney land and urban (26.912%) and town residential landuse (10.344%) are main landscape patch categories in Beijing. From landscape, landscape patch types and landscape patch categories levels, landscape patch distributing centralize, and patch shape is simple, main landscape patch fractal dimension indexes are under 1.1, so urban landscape pattern is high influenced by human disturbance.2. From 1985 to 2007, Beijing landscape pattern variational characteristics are as follows:(1) During 1985-2007, patch types and categories change is little, but area and patch number of patch types and categories change distinctly. Town residential landuse area increased 7.66% of Beijing total area, farmland and forest land area decrease in the mass. The total patch number increased at first then decreased. taking one with another, the total number is decreasing, and patch number of farmland and forest land are most distinct.

本研究的主要研究结果如下:1、北京市具有典型的城市景观特征,林地用地的面积占市域面积的42.534%,为基质景观斑块类型,旱田(28.754%)、灌木林(26.912%)、城镇用地(10.344%)是北京市主要景观斑块种类;从景观、景观斑块类型以及景观斑块三个层次的研究均表现出北京市各景观斑块类型及景观斑块集中分布的现象十分突出,斑块形状简单,主要景观斑块种类的景观分维度指数值均不足1.1,表明城市景观格局受到了较大的人为影响。2、北京市1985-2007年间城市景观格局的主要变化特征表现为以下几个方面:(1)在研究时段内,北京市景观斑块种类变化不大,景观组分面积和斑块数变化明显,其中最为显著的是北京市城镇建设用地面积呈单纯的增加趋势,增加幅度为北京市总面积的7.66%,农业用地与林地的面积虽呈波动变化但总体呈减少趋势;景观斑块数量先增后降,总体呈下降趋势,其中耕地与林地斑块数的变化最为明显。

SPIV was applied to a large-scale low-speed compressor facility with the configuration of the two CCD cameras placed on either side of the light sheet to make the measurement of the complex flow in hub-to-tip cross sections possible and to avoid the disturbance from the light sheet probe as used in the periscope-type configuration, which can also be easily used in multistage and high-speed turbomachinery.

本文将数字式SPIV技术应用到低速大尺寸压气机实验台上,解决了压气机内部非定常复杂流动瞬态场的技术难题,所发展的SPIV测量技术同样适用于多级叶轮机械;并在设计状态和近失速状态下,对转子槽道内叶尖区域及转静干扰条件下静子槽道内叶尖区域多个截面内的三维瞬态速度场进行了成功测量。

The sensor system using this stabilization method is susceptive to the disturbance and has a high cost.

该传感器系统的稳定使用此方法是敏感到的干扰和具有较高的成本。

The fluctuation of internal property in a system is an unavoidable disturbance which does not cause change of the state for a stable equilibrium system.

处于稳定平衡态的系统,其内部物性量的涨落是一种不可避免的扰动,不会引起其状态的变化。

Diagram of the value of a given system state variable against time, following a disturbance.

系统出现扰动后,某一给定的系统状态变量随时间的变化曲线。

When the plane wave returns and crosses the molecule, it produces an interference pattern with the stationary part of the electron wave function, like two trains of water waves crossing and forming a checkerboard disturbance.

一旦平面波折返并横越过分子,它便会与待在轨道上的电子波产生干涉图样,就像是两道水波相遇所形成的西洋棋盘般明暗交错的扰动。

The vibration of steering wheel caused by unstable electric power steering system and extra input disturbance have direct influence on the steerability of an automobile.

计算机仿真结果证明,所设计的电动转向系统具有良好的稳定性、能够有效地抑制路面高频激励干扰和转矩传感器测量噪声对系统的影响

When the power system load in a small disturbance, the system itself to maintain the stability of the power transmission capacity, the use of automatic excitation regulator device may reduce the reactance of the generator, and then further to maintain the transformer high-voltage bus voltage constant, so compensation not only its own reactor, but also compensation for the step-up transformer reactance, thus greatly improving the power limits of generators, which greatly increased the static stability of power system.

当电力系统的负载发生微小的扰动时,系统本身保持稳定送电的能力,使用自动励磁调节装置,则可减小发电机的电抗,再进一步维持变压器高压母线的电压恒定,这样不仅完全补偿了自身的电抗,而且还补偿了升压变压器的电抗,这样就大大提高了发电机的极限功率,即大大地提高了电力系统的静态稳定。

The disturbance model can give the prediction for all the 95 shock events, while STOA model works for 89 events and ISPM model for only 72 events. We arrive at 25.26% percentage of all the 95 events with the relative time error less than 10%, 50.53% of all the events with the relative time error less than 20%, 65.26% of all the events with the relative time error less than 30%, 31.58% of all the events with the relative time error between 60%~80

实验表明,我们的模型在所有95个事件中,渡越时间相对误差小于10%的事件数占总事件数的25.26%;相对误差小于20%的占总事件数的50.53%;相对误差小于30%的占总事件的65.26%;相对误差在30%~60%的之间的事件数有30个,占总事件的31.58%;有3个事件相对误差在60%~80%之间,没有哪个事件相对误差大于80%。95个事件中我们的扰动传播模型能对所有事件进行分析给出预报值,STOA模型能给出89个预报值,而ISPM模型则只能给出72个。

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