ID 原文 译文
48326 研究了一种摆动锥体目标运动辨识及最大摆动角估计方法。 Study a swinging cone target motion recognition and the method to estimate the maximum swing Angle.
48327 首先分析了雷达观测下的目标摆动模型,推导了摆动锥体目标回波微多普勒,并对其调制规律进行了理论分析。 Swing under the radar of the target model is firstly analyzed, swinging micro-doppler cone target echo was deduced, and the law of modulation are analyzed in theory.
48328 结合摆动目标回波时频分布,提出了一种基于微多普勒特征点的最大摆动角估计方法和一种基于微多普勒变换谱特征的摆动目标运动辨识方法。 Time-frequency distribution, combined swing target echo is proposed based on a kind of micro-doppler features some of the biggest swing Angle estimation method and based on micro-doppler transform spectrum characteristics of the motion of the target identification method.
48329 实验结果验证了本文方法的有效性。 The experimental results verify the effectiveness of the method in this paper.
48330 对于主动段弹道目标的监视预警,国外主要是依靠天基预警系统,但其造价昂贵、建设周期长、不便维护,不符合我国实际情况。 For active period of ballistic target monitoring early warning, abroad mainly rely on the space-based early warning system, but its high cost, long construction period, inconvenient maintenance, does not conform to the actual situation in our country.
48331 为解决此问题,可利用现有天波超视距雷达进行弹道目标的监视预警。 To solve this problem, can use existing sky-wave over-the-horizon radar for ballistic target monitoring early warning.
48332 从分析弹道目标主动段高频雷达特性与对目标检测性能的影响入手,提出了影响天波雷达检测弹道目标时机的天线极化选择、频率选择、尾焰回波凝聚等关键因素,并指出相应的关键技术及解决方案, From analysis of ballistic target active period of hf radar characteristics and affect the performance of target detection, this paper proposed the influence sky-wave radar to detect ballistic target timing of antenna polarization, frequency selection, key factors such as tail flame echo condensed, and points out the corresponding key technology and solution,
48333 最后给出了相关问题的一些结论。 and finally gives some conclusions about the related problems.
48334 灰靶决策模型是处理小样本、贫信息不确定性决策问题的常用方法, Grey target decision model is dealing with small sample, poor information uncertainty decision problems commonly used method,
48335 然而目前该领域的已有研究成果尚无法对信息分布非对称条件下的区间灰数建立决策模型, but it is still in the field of existing research results not for distribution under the condition of asymmetric information of interval grey number for decision model,