ID 原文 译文
19755 x极化波垂直入射时天线单站RCS减缩6 dB带宽为6.2～10.5 GHz，最大减缩量达21.07 dB。 Meanwhile under x polarization the antenna monostatic RCS isreduced significantly 6 dB RCS reduction is achieved over the range of 6.2～10.5 GHz and the peak reduction isup to 21.07 dB.
19756 y极化波垂直入射时天线的带内RCS减缩依然能达到3 dB以上。且实测与仿真结果吻合良好。该设计方法为实现天线阵带内RCS减缩提供了新的设计思路。 Under y polarization the antenna monostatic RCS is reduced over 3 dB RCS reduction inbandwidth. Both measured and simulated results verify the proposed antenna array is characterized withwideband low-RCS without degrading the radiation performance.
19757 用于雷电测向的正交磁环天线(OMLA)的测量精度要求不断提高，导致天线自身结构加工误差引起的测角误差(AME)进一步加大。 The measurement accuracy for lightning direction finding by the Orthogonal Magnetic Loop Antenna(OMLA) is continuously improved, which results in the Angle Measurement Error (AME) caused by theOMLA machining error increasing.
19758 该文对天线自身结构加工误差与测角误差的关系建立理论模型，通过引入补偿系数和等效结构误差角度，提出一种对正交磁环天线测角误差的矫正方法。 A theoretical model is established for the relationship between themachining error and AME of OMLA. With the compensation coefficient and equivalent non-orthogonal angleerror, a AME correction method for OMLA is proposed.
19759 通过实验对比3组正交磁环天线，对其常规测向结果和矫正测向结果的测角误差进行对比分析，实验表明矫正后测角误差比常规测角误差降低约50%。 The AME of the conventional measurement way and the corrected measurement way are compared through three groups of data experimentally. The experimental results show that the AME by the corrected measurement way is significantly reduced by about 50%.
19760 因此该矫正方法在同等硬件条件下，可以很好地提升正交磁环天线的雷电测向精度。 Therefore, this correction method can help the OMLA with the same hardware condition to obtain higher measurement accuracy for lightning direction finding.
19761 针对离散时间混沌动力学系统，该文提出一种基于矩阵特征值以及特征向量配置Lyapunov指数为正的新算法。计算离散受控矩阵的特征值以及特征向量，设计一类具有正Lyapunov指数的通用控制器，理论证明系统轨道的有界性和Lyapunov指数的有限性。 Considering discrete-time chaotic dynamics systems, a new algorithm is proposed which is based onmatrix eigenvalues and eigenvectors to configure Lyapunov exponents to be positive. The eigenvalues and eigenvectors of the discrete controlled matrix are calculated to design a general controller with positive Lyapunov exponents. The theory proves the boundedness of the system orbit and the finiteness of the Lyapunov exponents.
19762 对线性反馈算子以及微扰反馈算子进行数值仿真分析，验证了算法的正确性、通用性和有效性。 The numerical simulation analysis of the linear feedback operator and the perturbation feedback operator verifies the correctness, versatility and effectiveness of the algorithm.
19763 性能评估表明，与Chen-Lai算法相比，该方法可以构建较低计算复杂度的混沌系统，并且运行时间较短，其输出序列也具有较强的随机性，实现了无退化、无兼并的离散混沌系统。 Performance evaluations show that, compared with Chen-Lai methods, the proposed method can construct chaotic system with lower computation complexity and the running time is shorter and the outputs demonstrate strong randomness. Thus, a discrete chaotic system with no degradation and no merger is realized.
19764 声表面波(SAW)谐振器测量技术能在高温、高压、强电磁辐射和强电磁干扰等恶劣环境下，实现无线无源的参数检测。 Surface Acoustic Wave (SAW) resonator measuring technology can be used in high temperature and high pressure, strong electromagnetic radiation and strong electromagnetic interference to realize wireless passive parameter detection.