ID 原文 译文
23595 为了提高编码迁移的精度和字典适应背景干扰的能力，提出一种在线鲁棒判别式联合字典学习模型用于字典更新。 In order to improve the precision of coding transfer and the ability of the dictionary to overcome the background clutters, this study proposes an online robust discrimination joint dictionary learning model to update the dictionaries.
23596 实验结果表明所提方法具有良好的鲁棒性和较快的跟踪速度。 The experimental results demonstrate that the proposed method has good robustness and superior tracking speed.
23597 针对机载气象雷达下视探测微下击暴流时，有用气象信号会淹没在强杂波背景中的问题，该文提出一种基于多通道联合自适应处理的、能够用于分布式气象目标中心风速估计的降维处理器结构。 When the airborne weather radar detects microburst field, the echoes of wind field are usually submerged by strong background clutter. In this paper, a novel method of wind speed estimation of microburst based on pre-filtering based reduced rank STAP approach is proposed.
23598 该处理器通过前置的窄带多普勒滤波将全空时杂波局域化为特定多普勒通道下的定向有源干扰，然后在空域逐多普勒通道进行自适应处理，最后利用频率质心法求取中心风速估计。 The method constructs reduced-rank adaptive processors for distributed meteorologic target to achieve clutter suppression and signal matching, and to obtain the wind speed of the microburst field.
23599 仿真结果表明，在强杂波背景下，所提方法可以获得较为精确风场速度估计结果，由于采用了降维结构，较最优处理器在运算量上有了明显减少。 The experimental results show that the proposed method can achieve clutter suppression and get accurate wind speed estimation with low computational burden.
23600 该文针对协议类型未知条件下非等帧长同步字的盲识别问题，提出一种基于多重分形谱的同步字盲识别算法。 To solve the problem of recognition for frame synchronization word whose frame length is not the same, a novel frame synchronization word identification algorithm based on multi-fractal spectrum is proposed.
23601 首先，在定义有偏性的基础上，通过分析比较协议帧、同步字和信息段中 0, 1 的概率分布，得出协议帧的有偏性小于同步字的结论。 Firstly, through the analysis of frame structure and bias of synchronization words and information bits, the conclusion that bias of protocol frame is less than synchronization words is got.
23602 然后，利用上述结论并结合多重分形谱具有描述有偏性分布的特点，通过比较删减前后待识别序列多重分形谱宽度的变化实现信息段的有效删减，达到提高同步字浓度的目的。 Then, due to the feature of bias distribution that can be described by multi-fractal spectrum, information bits can be deleted effectively through multi-fractal spectrum calculation.
23603 最后，在计算完成删减的序列中固定长度比特串浓度值分布的基础上，实现了同步字的准确识别。 Finally, the synchronization word can be identified by concentration calculation of fixed length bit string of deleted sequence.
23604 仿真试验验证了所提算法的有效性，表明其具有一定的工程应用价值。 The new method, which has higher accurate recognition than existing al-gorithms suggested by simulation results, has significant potential in engineering application.