ID 原文 译文
26665 总结了近年来研究的基于目标一维距离像的特征提取方法、分类方法和联合跟踪与识别方法，分析了当前研究中亟需解决的关键问题，探讨了这些问题的可能解决思路和发展方向。 Research in recent years are summarized based on the target of one dimensional distance as the feature extraction method, classification method and the joint tracking and identification methods, analyzes the needs to solve the key problems in the present study, discusses the possible solution to these questions and developing direction.
26666 基于决策的单模目标跟踪方法的关键是及时而稳健的目标机动检测，充分利用目标多普勒观测量能够有效提高机动检测性能。 Single-mode target tracking method based on decision making is the key to timely and prudent target maneuver detection, make full use of the target doppler observations can effectively improve the motor detection performance.
26667 提出一种集成多普勒观测的目标机动检测算法，利用基于马氏距离的预测寻优方法，克服了多普勒观测噪声水平较高时估计式无解的情况，提高了加速度估计精度；基于奈曼-皮尔逊准则设计机动检测器，避免了因目标机动检测的滞后性带来的门限漂移。 Puts forward an integrated doppler observation target maneuver detection algorithm, based on the markov prediction optimization method of the distance, to overcome the high doppler observation noise level estimation formula without solution, improves the acceleration estimation precision;Design guidelines to maneuver detector based on nai man - Pearson, avoided because of target maneuver detection threshold drift of hysteresis.
26668 仿真实验表明，算法提高了加速度估计的精度和稳健性，显著降低了平均检测延迟，有效提高了机动检测性能。 Simulation experiments show that the algorithm improves the acceleration estimation accuracy and robustness, significantly reduces the average detection delay, effectively improve the performance of motor testing.
26669 研究退化系统的状态维修决策问题，考虑经济性、可用性后，给出两个通用维修决策优化模型，用gamma过程对系统退化进行建模，用监测数据估计退化模型参数。 Study the status of the degradation system maintenance decision problem, after considering economy, availability, given two general maintenance decision optimization model, with gamma process of system degradation model, using the monitoring data to estimate degradation model parameters.
26670 在退化过程基础上，基于历史维修信息和状态数据对决策模型中的变量进行确定；对维修活动中主要的影响———维修效果和维修时间进行分析，认为维修效果和维修时间是系统状态和维修次数的随机变量，分别给出了不考虑人为因素和考虑人为因素的维修效果几何分布模型，用插值方法建立维修时间分布函数。 Based on the degradation process, based on historical information and maintenance status data to determine the decision variables in the model;Impact on major maintenance activities - effect of maintenance and repair time is analyzed, that maintenance effect and the maintenance time is the random variables, the number of system status, and maintenance and does not take into account human factors are obtained considering human factors the repair effect of the geometric distribution model, using interpolation method to establish maintenance time distribution function.
26671 最后以某控制系统为例，对比理想状态和考虑维修效果与维修时间下的仿真结果，验证了模型的有效性和实用性。 Finally, a control system as an example, to compare the ideal state and consider under the maintenance effect and the maintenance time simulation results, verify the validity and practicability of the model.
26672 根据连续多帧雷达距离-多普勒数据中的目标位置关系，提出一种积累距离-多普勒-时间三维空间中目标轨迹的方法。 Frame based on the continuous multiple range - doppler radar data in the target location relation, put forward a kind of accumulation of distance - doppler - time target trajectory method in three-dimensional space.
26673 该方法采用多普勒维的移位运算，校正目标的帧间多普勒频移，通过矩阵重组，将校正后的距离-多普勒-时间三维数据分解为并列的距离-时间二维矩阵，最后通过积累重组的二维矩阵中的近似直线的目标轨迹来实现目标能量的长时间积累。 The method adopts the doppler shift operation, calibration target doppler frequency shift between frames, through restructuring, the matrix will be adjusted range - doppler - time 3 d data is decomposed into two-dimensional matrix in the distance - time, finally, through the accumulation of restructuring of two-dimensional matrix of approximate linear target trajectory to achieve the goal of energy accumulation for a long time.
26674 该方法采用移位和累加运算完成，运算量小，可在工程应用中实现。 This method USES the shift and accumulative operation is completed, the computation is small, can be realized in engineering application.