ID 原文 译文
24325 通过数值仿真，验证了所提功率优化算法以极少迭代次数取得了接近最优算法的性能，并验证了所给出的最优天线数闭合解的精确性。 Numerical simulations show that the proposed power optimization algorithm converges to a near optimal solution only with a few numbers of iterations and the provided closed-form solution to the optimal number of relay antennas is also accurate.
24326 同频同时全双工是第 5 代(5G)通信关键技术之一，数字自干扰抵消算法是其重要研究方向。 In-band full duplex is a key concept brought up in 5G, and digital Self-Interference (SI) cancellation has become an important field attracting much attention.
24327 针对非线性数字自干扰抵消算法中，失真系数估计受到自干扰信道估计误差的影响这一问题，该文提出一种基于辅助符号的非线性自干扰抵消算法，通过对辅助符号做自干扰抵消，将信道估计符号的失真误差映射到其抵消结果中并提取出来，从中估计失真系数。 SI channel estimation error introduced by nonlinear distortion leads to deleterious effect on the accurate estimation of distortion coefficient. This paper proposes a nonlinear SI cancellation algorithm based on an auxiliary symbol. The channel estimation error is mapped into cancellation residuals by performing SI cancellation for the designed auxiliary symbol, and then extracted to be an independent attributor for distortion coefficient estimation.
24328 接着针对算法开销问题提出一种简化实现方案。 A simplified implementation is proposed further for reducing the overhead of the algorithm.
24329 仿真结果显示，接收自干扰信号为-5 dBm 时，算法可将自干扰非线性失真分量抵消至约-100 dBm，且性能随接收自干扰功率降低而提高。 Simulation results show that the nonlinear SI component is suppressed to about -100 dBm with -5 dBm SI power received. In addition, the lower the received SI power is, the better the performance tends to be.
24330 现有雷达系统在目标跟踪时所形成的波束仅与目标方向有关，无法实现信号发射能量在特定距离和方向上的聚焦。 The traditional radar system can form an angle-dependent beam for target tracking, which is independent on the range of target and as a result can not make the transmit energy focus on the target's position.
24331 针对上述问题，该文将频率分集阵(Frequency Diverse Array, FDA)与 MIMO 雷达相结合，提出一种基于非单调递增频率偏移的混合相控阵 MIMO 雷达目标跟踪方法。 For this problem, a novel hybrid phased-MIMO radar with non-monotone increasing frequency offset for target tracking is proposed based on the combination of the Frequency Diverse Array (FDA) with MIMO radar.
24332 该方法利用阵元间非单调递增频率偏移，形成基于距离和方向的 2 维发射方向图，不仅消除了一般 FDA 阵列方向图在距离上的周期性，而且实现了方向图在距离和方向上的解耦合，使雷达能够形成基于距离和方向的 2 维点状跟踪波束。 With the non-monotone increasing frequency offset, this new method can form a transmit beampattern in two dimensions of range and angle, and cancel the periodicity of basic FDA beampattern in range domain as well as decouple the beampattern in range and angle dimensions. With the help of the decoupled beampattern, a two dimensional point beam can be formed to track target.
24333 通过利用混合相控阵 MIMO 雷达的发射增益和波形分集特性，进一步提高目标跟踪性能。 With the advantages of the hybrid phased-MIMO radar's transmit gain and waveform diversity, the tracking performance can be enforced.
24334 利用 MUSIC 算法对所提方法进行实验仿真和对比分析，分别验证了所提方法目标跟踪及抗干扰的有效性。 Finally, the target tracking accuracy of the proposed method is analysed and the performance of anti-jamming is proved by simulations results.