ID 原文 译文
38736 该方案在多天线源处应用时间反演(time reversal,TR)技术,利用TR技术的空时聚焦性,使得无线信号聚焦到目的地,增大无线能量收集; The scheme in the antenna source application time reversal (time reversal, TR) technology, using the space-time focues of TR technology, makes the wireless signal focus to the destination, increasing the wireless energy collection;
38737 此外,在能量受限的目的地采用能量收集和自干扰人工噪声操作,以延长设备使用寿命以及混淆窃听者; In addition, the energy restricted destination using energy collection and the interference of artificial operation, noise to prolong the service life of equipment and confusion eavesdroppers;
38738 最后,通过李雅普洛夫(Lyapunov)算法优化时间分配因子、发送端发送功率和自干扰人工噪声发送功率使保密速率达到最大。 Finally, a suitable Lyapunov rove (Lyapunov) algorithm for optimizing the allocation of time factor, the sender sends the power and the interference of artificial noise sending power as to achieve the maximum of secrecy rate.
38739 通过理论分析与仿真证明了所提方案的能效性与保密性。 Through theoretical analysis and simulation prove that the proposed scheme of energy efficiency and confidentiality.
38740 针对距离-速度复合欺骗干扰信号形式复杂及识别难度大的特点,提出了一种基于时空频特征融合的距离-速度复合欺骗干扰识别算法。 In distance and velocity of composite deception jamming signal form the characteristics of the complex and difficult to identify, this paper proposes a distance and velocity based on temporal frequency characteristics fusion composite deception jamming recognition algorithm.
38741 首先,分析真实目标和虚假目标在空域、频域和时域的特征差异; First of all, analyze the real goal and false targets in the airspace, the characteristics of frequency domain and time domain difference;
38742 然后,针对真假目标在不同域的特征区别,分别提取回波点迹的空域特征和频域特征; Then, in view of the characteristic difference between true and false targets in different domains, respectively to extract echo point trace airspace and frequency domain characteristics;
38743 最后,将提取的空域及频域特征在时域进行融合,采用先积累后判别和基于二进制检测两种特征融合方法,利用时空频融合特征对距离-速度复合欺骗干扰进行判决。 Finally, the extraction of the airspace and frequency domain characteristics in time domain, the accumulated before discrimination and two feature fusion methods based on binary detection, spatial and temporal frequency fusion using composite deception jamming of distance and velocity for judgment.
38744 仿真结果表明,该算法能够对距离-速度复合欺骗干扰进行有效的识别。 The simulation results show that the algorithm is able to distance and velocity composite deception jamming effectively.
38745 传统的后多普勒自适应处理方法,如果仅仅选用一个多普勒通道的输出数据进行空域滤波时,虽然对旁瓣杂波的抑制接近最优,但是对主瓣杂波抑制性能较差。 After the traditional doppler adaptive processing method, if only to choose a doppler channel output data to spatial filtering, although the sidelobe clutter suppression is close to the optimal, but the main lobe clutter suppression performance is poorer.