ID 原文 译文
8114 仿真结果表明,采用目标机动预测和导引头搜索算法,在信息精度和数据率降低的情况下,能够提升防空导弹武器系统中末制导交班能力。 Simulation results show that the prediction target maneuver and seeker search algorithm, in the case of information accuracy and data rate reduce, can improve air defense missile weapon system in terminal guidance ability of succession.
8115 针对在利用非局部均值方法对合成孔径雷达(synthetic aperture radar,SAR)图像降斑时,存在的图像块相似性度量不准确、鲁棒性不高等问题,提出了一种基于自适应非局部均值的SAR图像相干斑抑制方法。 In using the nonlocal average method for synthetic aperture radar (synthetic aperture radar, SAR) image drop spot, the image block similarity measure is not accurate, low robustness, this paper proposes a SAR image based on adaptive nonlocal average coherent suppression method.
8116 首先,定义平滑度以刻画图像不同区域的纹理复杂程度,并设计自适应匹配函数,自适应地确定图像块和搜索窗口的大小,以提高块相似性度量的准确性,并在此基础上提出了自适应非局部均值算法框架。 First, define the smoothness to depict texture complexity in different areas of the image, and designs an adaptive matching function, adaptively determine the size of the image block and search window, in order to improve the accuracy of the block of similarity measure, based on the adaptive nonlocal average algorithm framework was proposed.
8117 然后,利用Gabor滤波器对图像块的相似性进行度量,以增强块相似性度量的鲁棒性,并以所提框架为依据,设计了基于Gabor滤波器的自适应非局部均值算法。 Then, using Gabor filter to measure the similarity of image block, in order to enhance robustness of the piece of similarity measure, and based on the proposed framework, design the adaptive nonlocal average algorithm based on Gabor filter.
8118 实验结果表明,所提算法不仅能够有效去除相干斑噪声,而且较好地保持了图像的纹理、边缘、点目标等信息,为后期SAR图像的理解与解译奠定了良好的基础。 Experimental results show that the proposed algorithm not only can effectively remove, coherent noise and preserves better image texture, edge and point target information, for SAR image understanding and interpretation of the late laid a good foundation.
8119 点对点式拦截来袭目标的拦截概率较低且高度依赖目标探测系统精度和拦截算法解算精度,针对该问题,提出一种新型的主动防护系统拦截来袭目标的方案,即采用姿态可调的牵引体发射网状弹药,形成面对点式的"网"来拦截来袭目标。 The interception probability of point to point to intercept incoming target is low and is highly dependent on target detection system precision and intercept method calculating precision, aiming at the problem, put forward a new kind of active protection system to intercept incoming target scheme, using posture adjustable traction ordnance mesh body, formed the "network" of face point to intercept incoming target.
8120 在分析网状弹药发射方式及拦截来袭目标飞行轨迹的基础上,建立了网状弹药的牵引体的运动模型,将拦截网的运动状态分解至其牵引体的运动状态,以牵引体的空间位置确定拦截网的有效拦截面积,减少了对网姿态计算的复杂性,同时简化高速来袭目标的运动为直线运动。 Analysis and intercept incoming mesh ammunition emission target trajectory, on the basis of the establishment of a mesh ammunition traction body motion model of intercept net movement decomposition to the tractor body motion, the traction body of space position determine effectively intercept net of area, reduce the complexity of the calculation of net posture, at the same time, simplify the incoming target motion to linear motion.
8121 采用遗传算法改进的粒子群算法解决了防护系统的多个发射参数的优化问题,最后采用蒙特卡罗打靶实验方法,仿真分析了影响拦截效能的参数设计问题,为新型主动防护系统的进一步优化设计提供了技术支撑。 Improved particle swarm algorithm based on the genetic algorithm to solve the protection system of multiple parameters of optimization problem that finally shooting experiment using monte carlo method, the simulation analysis of the parameters affect interception efficiency of the design problem, for the new active protection system to provide technical support for further optimization design.
8122 基于尺度不变特征变换(scale-invariant feature transform,SIFT)算法,提出了一种能有效抑制相干斑噪声干扰的合成孔径雷达图像配准方法。 Based on scale invariant feature transform (scale invariant feature transform, SIFT) algorithm, this paper proposes a can effectively inhibit coherent noise of synthetic aperture radar image registration method.
8123 该方法首先基于相干斑抑制各向异性扩散滤波模型建立图像的各向异性尺度空间,在滤除斑点噪声的同时保持了图像细节,弱化了斑点噪声对特征提取的影响; The method based on coherent spot first inhibition of anisotropic diffusion filter model to establish the anisotropy of the image space, the speckle noise reduction while maintaining the image detail, weakens the effect of speckle noise on feature extraction;