ID |
原文 |
译文 |
9544 |
综合性能较KAZE提高约5.76%,速度提高约47%。 |
Comprehensive performance than KAZE increases by about 5.76%, the speed increases by about 47%. |
9545 |
针对多操纵面飞机交叉耦合效应下易产生虚拟控制误差和舵效中和等问题,提出了一种基于改进序列二次规划的控制分配策略。 |
On the plane cross coupling effect under multiple control surfaces are easy to produce the problem such as virtual control error and steering and, puts forward a control allocation strategy based on improved sequential quadratic programming. |
9546 |
以操纵面偏量为参数构建优化目标,基于舵效线性假设分别研究了基于线性规划和二次规划的多操纵面线性控制分配方法。 |
To manipulate the surface deviator build for a parameter optimization goal, based on steering linear hypothesis based on linear programming are studied respectively and quadratic programming method of linear control multiple control surfaces. |
9547 |
进一步考虑非线性交叉耦合效应,分别建立了序列线性和序列二次规划的交叉耦合控制分配模型,并设计了改进的Hessian矩阵,以实现序列二次规划的优化求解。 |
Further considering nonlinear cross-coupling effects, respectively established sequence linear and sequential quadratic programming of cross coupling control allocation model, and designs an improved Hessian matrix, in order to realize the sequential quadratic programming optimization solution. |
9548 |
仿真表明,基于改进序列二次规划的控制分配策略能够合理地利用所有交叉耦合操纵面实现非线性分配,优于线性规划、二次规划和序列线性规划控制分配方法。 |
Simulation shows that the control allocation strategy based on improved sequential quadratic programming to reasonably use all nonlinear distribution, cross coupling control surfaces is better than that of linear programming, quadratic programming and sequential linear programming control allocation method. |
9549 |
联合图像专家组(joint photographic experts group,JPEG)图像的隐写分析性能不仅与信息嵌入方式有关,同时与其自身的内容复杂度也紧密相关。 |
Joint image expert group (be photographic experts group, JPEG) image steganographic analysis of the performance is not only related to information embed mode, at the same time is also closely related with its own content complexity. |
9550 |
本文提出一种基于预分类和特征扩展的新方法以提高JPEG图像通用隐写分析准确性。 |
This paper presents a new method based on the classification and characteristics of propagation in order to improve the JPEG image steganographic analysis general accuracy. |
9551 |
首先采用图像内容复杂度度量准则将训练样本划分为若干互相重叠的类别,并对每一类子库分别提取更加有效的扩展特征集以及构造各自的分类器模型; |
First of all, by means of the criterion of image content complexity metrics will divided into several overlapping categories, the training sample and for each type of library respectively to extract more effective extension set and construct their own classifier model; |
9552 |
对于给定的待测图像,根据其内容复杂度与各类复杂度均值的最小距离进行预分类,提取特征并进行相应类别的分类器测试。 |
For a given image under test, according to its content complexity with all kinds of complexity of average minimum distance classification, feature extraction and corresponding category of classifier test. |
9553 |
实验结果表明,该方法对典型的JPEG图像隐写算法具有更好的检测性能。 |
The experimental results show that the method of typical JPEG image steganalysis algorithm has better detection performance. |