ID |
原文 |
译文 |
53467 |
时域和视域的目标跟踪采用基于改进生物地理优化的快速跟踪方法。 |
The object tracking along temporal and view directions is performed based on an improved biogeography-based optimization method. |
53468 |
实验结果表明所提分割与跟踪算法快速、高效。 |
Experiments are performed and convincing results are obtained. |
53469 |
在正交波形 MIMO 雷达信号处理中,发射信号分离是其中的一个重要环节, |
The extraction of transmitting signals is an important step in signal processing for MIMO radar. |
53470 |
一般可以通过匹配滤波器组来实现,而匹配滤波器组对信号分离是基于发射信号满足理想正交条件的, |
Usually, it can be realized by matched filter bank which principle is based on ideal orthogonal condition for transmitting waveforms. |
53471 |
实际中由于很难得到理想的正交波形集,因此将会造成信号分离能力下降或分离不彻底, |
But it is hard to get ideal orthogonal waves. So with the matched filter bank, the signal extracting capability descends acutely. |
53472 |
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Therefore, a new method to design optimal filter bank is proposed. |
53473 |
为此,提出一种优化滤波器组设计方法,以最小化滤波输出峰值旁瓣电平为目标函数, |
The object function is formulated through minimizing peak sidelobe level of filter output. |
53474 |
采用凸优化方法进行全局优化设计, |
Convex optimization is used to get the global optimal filters. |
53475 |
计算机仿真表明,该方法所设计的优化滤波器组可以显著提高非理想正交波形 MIMO 雷达的信号分离能力。 |
The computer simulations verify that the optimal filter bank can improve the extracting capability for MIMO radar with nonideal orthogonal transmitting waves. |
53476 |
正交匹配追踪(OMP)算法是一种基于压缩感知的稀疏信道估计方法,本文对 OMP 算法的终止条件进行研究, |
The Orthogonal Matching Pursuit (OMP) algorithm is one of the sparse channel estimation methods based on compressed sensing. |