ID 原文 译文
22715 最后，引入相位-幅度截断编码技术，设计单向编码机制，通过激光束的相干叠加，输出编码密文的幅度与相位信息，将相位部分视为编码密文，把幅度信息作为解密密钥。 Finally, a one-way coding scheme is designed based on phase-amplitude truncation coding technique to get the amplitude and phase information of each Fourier spectrum, which regards the phase part as coding cipher, and the amplitude information as the decryption key.
22716 通过等模分解技术，将输入明文演变为 4 个不同的相位与幅度信息，有效解决了轮廓显现问题。 The input plaintext is transformed into 4 different information of phases and amplitudes using the equal modulus vector decomposition technique to solve effectively the problem of contour representation.
22717 实验结果显示：与当前基于干涉原理的图像加密机制相比，所提算法的安全性更高，有效消除了轮廓显现问题。 The experimental results show that the proposed algorithm has higher security for effectively solving the contour appearance problem compared with current image encryption schemes based on the interference theory.
22718 针对现有的长基线旋转干涉仪存在相位模糊，且不能对多个同频、同时到达的目标信号进行角度估计问题，该文提出一种基于旋转干涉仪虚拟圆阵化的多目标波达参数估计新算法。 Focusing on the problem of phase ambiguity and the issue that it is impossible to estimate the unambiguous angles of multiple sources with the same frequency and time of arrival, an approach for multiple sources parameters estimation with rotating interferometer using virtual circular array processing is proposed in this paper.
22719 该方法首先将旋转干涉仪采样得到的两通道数据进行共轭相乘操作，获得虚拟圆阵信号； Firstly, the virtual circular array data is constructed by taking conjugate multiplication of the two channel data received by the rotating interferometer.
22720 然后采用波束空间变换法将虚拟圆阵数据从阵元空间转换到波束空间，得到虚拟线阵数据序列； Then, the virtue linear array data is obtained by employing beamspace transformation, which performs mapping from element-space to beamspace domain.
22721 最后在实波束域上实现多目标 2 维角度无模糊估计。 Finally, the unambiguous angles of the multiple emitters are achieved in beamspace domain.
22722 相比于传统旋转干涉仪方法而言，所提方法在不增加接收通道的同时，能够实现多目标角度的无模糊测量。 Compared with conventional rotating interferometer methods, the proposed method can deal with the problem of unambiguous Direction Of Arrival (DOA) estimation of multiple emitters with only two receiving channels.
22723 仿真实验验证了所提方法的有效性。 The validity of the proposed method is verified by the simulation results.
22724 针对传统稀疏表示跟踪算法在复杂背景中易出现跟踪漂移问题，该文提出一种局部感知下的稀疏优化目标跟踪方法。 The problem of tracking drift is produced easily by traditional sparse representation tracking methods in complex scene. To solve this problem, a novel tracking approach based on sparse optimization of local sensing is proposed.