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In energy loss calculation, a method named equivalent resistance is introduced.

电能损耗计算中运用等值电阻法计算电能损耗,它将配电网中由线路和变压器绕组产生的可变损耗等价为两个等值电阻上的损耗,同时根据实际电网中负载的变化对这两个电阻进行修正,最后计算出网络的电能损耗。

Using Density Function Theory we receive the ground states of GaN and GaN2 are X 、X2B2 respectively.Murrell-Sorbie analytical potential energy functions of GaN have been derived by using ab initio data and the least-square fitting method, and harmonic frequency, force constant and spectroscopic data also have been calculated.

基于量子化学计算得出GaN和GaN2 基电子态及其离解极限之后,利用计算数据和最小二乘法得到了GaN 的M-S解析势能函数,并计算出各态的谐振频率、力常数和光谱数据。

The linear extrapolation technique was the most practical and suitable method because of its relative high correlation with a wide range of chlorophyll content, relative simple algorithm, relative high sensitivity to chlorophyll at high or low content and application to more wider bandwidth spectra.

四点线性内插法计算的红边位置往往偏大,最大一阶导数法与叶绿素含量的关系存在着明显的不连续性,拉格朗日内插法、倒高斯模型法在一定程度上存在着对高叶绿素含量的饱和现象,多项式拟合法对拟合波段区间、最高项次及光谱分辨率等比较灵敏而导致结果不够稳定,而线性外推法计算出的红边位置对叶绿素含量最为敏感,预测的准确度最高,且计算相对比较简单,并能适用于较宽波段的遥感数据。

Direct against the defects of high cost,complicated computation and fixed accuracy of calculation on cabin capacity based on CAD software,a kind of cabin capacity computing method based on nodal point,which stands alone to the CAD system,was realized.

针对基于CAD软件的船舱容量计算成本较高、计算复杂、并且精度固定的缺点,实现了一种独立于CAD系统,基于型值点的舱容算法,用较低的成本,就可以方便快速地计算出船舱中液体的容积。

First, we calculate out the zero point in a simple numeral method, then we get the phase according to the fact that the symbol of phase changed is opposite in the positive-slope and the negative-slope of triangle wave. This method has the following characteristics: easy to calculate, simple to realize and high precision.

首先用简单的数值方法较准确的计算出零点时刻;进而根据三角波扫频时正程和逆程相位变化符号相反的特性,巧妙的完成了相位计算,该方法具有计算简单、实现方便、准确度高等特点。

In this note, a new approach is presented which calculates analytically the experiment estimator distribution via a Fourier transform, using the likelihood ratio as an ordering estimator. The analytic approach enjoys an enormous speed advantage over the toy Monte Carlo method, making it possible to quickly and precisely calculate confidence level results.

本文则介绍一种新的计算方法,通过定义似然函数比为实验的估计值,并应用Fourier变换,用解析的方法计算出置信度,与toy Monte Carlo方法相比,解析方法可极大地提高计算的速度和精度。

Main section of this paper as follows: First,Comparison of ET0 which were calculated by different net solar radiation,such as they are estimated from solar constant,solar radiation measured and the measuring net radiation data.

用由太阳常数、太阳短波辐射计算出的浑善达克沙地气象站所在地的净辐射值及实测的净辐射值计算了参考作物蒸散速率(ET0),分析比较了计算的结果。

On the basis of Ergun equation modified by Yoon and Kunii,the moving bed flow of solids with wide range particle in standpipe is calculated.

用Yoon 和Kunii修正的移动床厄贡方程,对宽筛分颗粒在立管中的流动进行了计算,计算结果与试验结果相一致,试验中发现,只要知道宽筛分颗粒的分级速度,便可用Yoon和Kunii修正的厄贡方程计算出宽筛分颗粒的料封能力。

The method is as follows, at first, to calculate the frequency response function of structure corresponding every blasting syntony ponderance, then to calculate the response of structure under this syntony ponderance by using frequency response function, at last, the response of the whole system can be worked out by superposition.

计算方法是先计算每一爆破谐分量对应于结构的频响函数,然后用频响函数计算出结构在此谐分量下的响应,最后用叠加法得到整个系统的响应。

Beginning with wave equation, the paper has deduced the propagation of gauss pulses in single mode fiber and fiber grating transmission compensation. The characteristics of cascaded phase-shift gratings are discussed by numerical simulations of coupled-mode theory and T-matrix method. The experimental works and measurement results are shown in this paper. On the other hand, we have introduced the basic theory of EDFA and figured out the characteristics for EDFA at different conditions by numerical simulation. Some experimental results for EDFA are also presented here. In this article, you can find the influence on Optical Fiber Amplifier by Gain Tilt, especially, the negative effect on CSO in CATV transmission system.

论文首先从波动方程入手,对高斯脉冲在单模光纤中的传播演化及光纤光栅透射补偿进行了详细的研究;较系统地介绍了光纤光栅的耦合模理论,并将传输矩阵计算法用于计算级连相移光纤光栅的光学特性;重点介绍了作者在光纤光栅刻制及特性测量方面所做的一些实验研究工作;较系统介绍了EDFA的基本理论,计算出各种条件下EDFA的光学特性,并进行了一些实验研究;综合分析光纤放大器对光纤传输系统的影响,特别分析了光纤放大器增益不平坦对光纤CATV系统中CSO恶化的原因及其解决方法,并研究了光纤布拉格光栅在稳定980nm泵浦源输出功率和输出波长方面的应用;结合一个基于光纤光栅和光纤放大器的光纤用户接入网方案,对光纤用户接入网的若干问题进行了理论与初步的实验研究。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。