ID |
原文 |
译文 |
48606 |
结果表明,当航天器参数突变后,按照所提的策略,其质量和质心位置可以辨识,且质心位置的可辨识度高于质量。 |
Results show that when the craft parameter mutation, according to the proposed strategy, can identify their quality and centroid position, and the centroid position of discernibility degree is higher than quality. |
48607 |
增强网络的抗毁性对于抵御级联故障具有重要的现实意义。 |
The network anti-destroying ability to resist the cascading failure has important practical significance. |
48608 |
为研究网络参数对级联抗毁性的影响,结合变幂律无标度网络和变聚类系数无标度网络模型,在最大负荷节点遭受蓄意攻击的情况下,研究了无标度网络的幂律指数、聚类系数和平均度与级联抗毁性的关系。 |
To study the effects of network parameters on the cascade anti-destroying ability, combining with change power-law scale-free networks and clustering coefficient of scale-free network model, the maximum load node under the condition of deliberate attack, power-law index of scale-free networks is studied, clustering coefficient and average degree of relationship with the cascade anti-destroying ability. |
48609 |
结果表明,无标度网络的幂律指数和平均度与网络的级联抗毁性正相关,即网络越均匀、连接越稠密,级联抗毁性越强;但聚类系数对网络的级联抗毁性并没有显著影响。 |
The results showed that the scale-free networks of power-law index and the average degree of cascade anti-destroying ability is related with network, the network more evenly, connecting more dense, cascade anti-destroying ability stronger;But the network clustering coefficient of cascade anti-destroying ability did not significantly influence. |
48610 |
针对多数传统分类算法应用于高光谱分类都存在运算速度慢、精度比较低和难以收敛等问题,从稀疏表示基本理论出发建立了一个基于自适应稀疏表示的高光谱分类模型。 |
For most of the traditional classification algorithm applied in hyperspectral classification are slow speed and low accuracy and difficult to convergence problem, starting from the basic theory of sparse representation built a hyperspectral classification model based on adaptive sparse representation. |
48611 |
利用训练样本构建字典,聚类每一步迭代所产生的余项,将聚类中心作为新的字典原子,然后将测试样本看成冗余字典中训练样本的线性组合,令字典能够更适应于样本的稀疏表示。 |
Use of the training sample build a dictionary, clustering more than produced by each step iteration, the clustering center as a new dictionary atoms, and then will test samples as a linear combination of the training samples in the redundant dictionary, the dictionary can more adapted to the sparse representation of samples. |
48612 |
利用华盛顿地区的HYDICE高光谱遥感数据进行试验,并且与主成分分析、线性鉴别分析、支持向量机、神经网络算法进行比较,结果表明,该算法的总体分类精度比其他算法提高了约12%,有效提高了高光谱影像的分类精度。 |
USES in the Washington area HYDICE hyperspectral remote sensing data, and the principal component analysis, linear discrimination analysis, support vector machine (SVM), neural network algorithm are compared, the results show that the algorithm of the overall classification accuracy of about 12% higher than that of other algorithms, effectively improves the classification accuracy of hyperspectral images. |
48613 |
空间碎片是在地球轨道上超高速运行的物体,安装在航天器上的空间碎片探测系统需要具备造价低廉、数据分析处理及时的特点。 |
Space debris is ultra high speed running on objects in earth orbit, installed on the spacecraft of the space debris detection system needs to have the characteristics of low cost, data analysis and processing in time. |
48614 |
利用计算机双目立体视觉的基本原理,提出一种由2个红外探测器组成的空间碎片红外探测系统以及相应的空间点目标定位算法。 |
Using a computer the basic principle of binocular stereo vision, this paper puts forward a kind of composed of two infrared detector space debris infrared point target detection system, and the corresponding space localization algorithm. |
48615 |
根据2个红外探测器具有相同背景图像的特点,将图像减法用于背景剔除,以简化图像中空间碎片边缘提取算法。 |
According to the characteristics of the two infrared detector with the same background image, the image background subtraction is used to eliminate, in order to simplify the space debris in the image edge extraction algorithm is proposed. |