ID 原文 译文
26195 CSAR长合成孔径时间和宽波束角的特点，导致其回波相位具有复杂的距离空变性和方位空变性，无法直接运用传统运动补偿算法。 CSAR long synthetic aperture time and the characteristics of wide beam Angle, lead to the distance of the echo phase with complex empty empty degeneration, degeneration and azimuth cannot directly use traditional motion compensation algorithm.
26196 详细分析了该成像模式下雷达的三维位置误差对回波包络和相位的影响，将Chirp-Z变换引入到包络误差的空变性补偿中，提出了CSAR距离和方位空变的运动补偿方法。 Radar are analyzed in detail the imaging mode of three-dimensional position error influence on echo envelope and phase, the Chirp Z transform is introduced into the empty degeneration of envelope error compensation, put forward the CSAR distance and azimuth space-variant motion compensation method.
26197 仿真结果验证了所提方法的可行性和有效性。 The simulation results verify the feasibility and effectiveness of the proposed method.
26198 针对吸气式高超声速飞行器存在航迹姿态"解耦"，极大降低了飞行器通过舵偏调整姿态进而施行轨迹控制时的机动性问题，提出了利用鸭翼和升降舵协调控制的解决方案。 For air-breathing hypersonic aircraft track attitude "decoupling", greatly reducing the aircraft by rudder partial adjusting posture and mobility in the trajectory control problems, put forward using the canard and elevator coordinated control solutions.
26199 首先分析了航迹姿态"解耦"问题的成因，并提出了解决思路；其次，基于所提出的鸭翼/升降舵协调控制方案设计控制器，并与已有的姿态超调方案进行了仿真对比；最后，仿真结果表明所提出的鸭翼和升降舵协调控制方法不但可有效解决航迹姿态"解耦"问题，而且可保持攻角良好的动态性能。 First analyzes the track is the cause of the problem of "decoupling", and put forward the solution;Secondly, based on the proposed canard/elevator controller coordinated control scheme design, and compared with existing attitude overshoot scheme simulation comparison;Finally, the simulation results show that the proposed canard and elevator coordinated control method not only can effectively solve the problem of track attitude "decoupling", good dynamic performance and can keep the Angle of attack.
26200 高速运动目标的大多普勒频率会导致传统匹配滤波器严重失配，因此当目标高速运动时多输入多输出(multiple input multiple output，MIMO)雷达利用传统匹配滤波器无法有效地形成虚拟阵列。 Most of the high speed moving target doppler frequency can lead to the traditional matched filter serious mismatch, so when high speed motion multiple input multiple output (multiple input multiple output, MIMO) radar using traditional matched filter can not effectively to form a virtual array.
26201 研究了利用双基地MIMO雷达实现多个高速运动目标交叉定位的方法，采用降低雷达距离分辨率的方式以获取较长时间的相参积累，并将接收阵列回波信号与发射信号共轭相乘后的数据进行频域处理，有效形成了虚拟阵列，然后利用传统超分辨算法对在相同粗距离分辨单元上的高速运动目标的发射角和接收角进行联合估计，从而能够有效交叉定位多个在距离上无法分辨的高速目标。 Studied using bistatic MIMO radar multiple high-speed motion target cross positioning method, adopt the way of reducing radar range resolution coherent accumulation for a long time, and will receive array echo signal and transmitting data after the conjugate multiplication frequency domain processing, effectively to form the virtual array, and then use the traditional super resolution algorithm to crude on the range resolution cell in the same high speed moving target launch Angle and receiving Angle for joint estimation, which can effectively cross locating multiple unable to distinguish between high speed target in distance.
26202 仿真结果表明了所提方法的可行性和有效性。 The simulation results show the feasibility and effectiveness of the proposed method.
26203 提出了基于灰色绝对关联度构造统计量进行图像边缘检测的新算法。 Construction statistics was proposed based on gray absolute correlation degree are new algorithm of image edge detection.
26204 所提算法将像素8邻域按水平、垂直方向分为4个部分，再按两对角线方向分为另外4个部分，基于灰色绝对关联度模型构造一种统计量，分别计算8个部分内像素的统计值，取最小的统计值与阈值比较，从而确定邻域中心像素是否为边缘点及其边缘方向。 Proposed algorithm will be 8 neighborhood pixels according to the horizontal and vertical direction is divided into four parts, then two diagonal direction is divided into four parts, the other is based on gray absolute correlation degree model to construct a statistics, statistics of the pixels within eight parts are calculated respectively, take the smallest statistics compared with threshold value, to determine whether the pixel neighborhood center for the edge points and edge direction.