| 1. | A global equation is finally obtained as a second - order characteristic matrix equation
该列式只需对扇形区域在角度方向上离散，最后得到一个二次特征根矩阵的总体方程。 |
| 2. | The photonic band gap of 1 - d photonic crystals with graded single refractive index layer is investigated using the method of the characteristic matrix
摘要利用特征矩阵方法研究了一类周期厚度变化的维光子晶体的能带特性。 |
| 3. | In this thesis , boundary characteristic matrices of spring - damper are obtained by using the minimum energy theory according to wave theory in elastic media
本文根据弹性介质中的波动理论，运用最小势能原理，推导出弹簧?阻尼器边界特性矩阵。 |
| 4. | Firstly , the optical characteristics of microcavity are calculated by characteristic matrix and some calculated results obtained using matlab language are presented
按照特征矩阵法计算了微腔多层膜系的光学特性，并给出了采用matlab语言计算的结果示例。 |
| 5. | Leading into the complex refractive index and making use of the characteristic matrix method , the photonic bandgap of photonic crystal with the variety of the absorb is studied
摘要引入复折射率并利用特征矩阵法，研究了光子晶体的吸收对光子晶体能带的影响。 |
| 6. | Then , we infer the thin film system reflection or the transmittance mathematics value formula and the characteristic matrix representation formula from the maxwell ’ s equations and the suitable boundary condition . we study the automatic design problem of optical thin film
在此基础上从麦克斯韦方程组和适当的边界条件出发,推导出了薄膜系统的反射或透射率的数学数值计算公式和特征矩阵计算公式。 |
| 7. | The optical characteristics of metal silver film used as the reflective mirror of microcavity are calculated by characteristic matrix method and it is shown that the thickness of metal mirror affects not only the reflectivity but also the penetration depth and thus the cavity mode . this conclusion is confirmed by experiment
通过特征矩阵法计算了金属薄膜在光学微腔中的性质，得到了金属膜厚度不仅影响腔的品质因子，而且随金属膜厚度增加，由反射相移引起的等效穿透深度增加的结果，并在实验上进行了验证。 |
| 8. | Compare a lot of face image characteristic vector with face image sets characteristic matrix in order to get their similarity , and find the least value of similarity as threshold . in the detecting phase , compute the similarity between characteristic vector of testing region in gray image and face image sets characteristic matrix , if the similarity bigger or equal to threshold then the testing region is a human face , otherwise is not
然后，用大量的人脸图像的特征向量与人脸图像集特征矩阵比较它们的相似程度，找出值小相似度，并把这个最小相似度作为阈值；在检测阶段，求出灰度图像的待测区域的特征向量与人脸特征矩阵的相似度，若该相似度大于等于阈值，则是人脸，否则不是人脸。 |
| 9. | In this paper the topological structure of multi - body system and their low - order body arrays , and basic concepts of characteristic matrixes and their composing methods are presented , basic rules of having - error kinematics of multi - body system are analyzed , 891e gear measurement center taken as an example , volumetric geometirc errors of gear measurement center based on characteristic matrixes are researched , it provides a kind of ideal method of model building for the precision analysis and geometric errors of gear measurement center
摘要本文阐述了多体系统的拓扑结构和低序体阵列，其特征矩阵的基本概念和构建方法，分析了多体系统误差运动的基本规律，结合891e型齿轮测量中心研究了根据特征矩阵得到其空间几何误差的算法，为齿轮测量中心精度分析和几何误差提供了一种理想的建模方法。 |
| 10. | Abstract : the optical admittance of a single - layer film is derived from the characteristic matrix of the film pile . based on the single - layer , recurring layer by layer , supercomposing one by one , deriving the equivalent admittance of the film pile and calculating the reflect coefficient of the amplitude , the reflectivity and transmissivity of hte whole film system is derived at last
文摘:根据膜堆的特征矩阵，求出单层膜的光学导纳，在单层膜的基础上，进行层层递推，叠加起来，求出膜堆的等效导纳，计算振幅反射系数，最后求出整个膜系的反射率、透射率。 |
