低侧叶水平高收益自适应束成形方法用于统一的子线
Yuxi Du1, Weijia Cui2, Bin Ba1
1PLA Information Engineering University, Zhengzhou, 450001, Henan Province, China.
Scientific reports
|December 22, 2025
概括
本研究介绍了阵列雷达的自适应波束成形方法,在复杂的环境中增强弱信号检测和防干扰能力,同时降低能源使用.
科学领域:
- 电气工程 电气工程
- 信号处理 信号处理
- 雷达系统 雷达系统
背景情况:
- 阵列雷达技术在复杂的电磁环境中面临挑战,包括弱信号增强,目标检测,防干扰和能源消耗.
- 现有的自适应光束成形方法可能会受到高计算复杂性的影响.
研究的目的:
- 提出一个低侧叶水平,高收益的适应性梁成形方法,用于统一的子阵列.
- 为了减少计算尺寸,同时保持阵列雷达系统的输出性能.
主要方法:
- 使用虚拟干扰信号代方法来降低计算复杂性.
- 要素级权重用于子数组内的延迟补偿.
- 拉格朗日方法被代地应用来解决重量向量.
主要成果:
- 拟议的方法有效地增强弱信号,改善目标检测.
- 在计算维度中显著减少.
- 模拟实验验证了该方法在抗干扰场景中的有效性和可靠性.
结论:
- 开发的自适应波束成形方法为在具有挑战性的电磁环境中对阵列雷达提供了强大的解决方案.
- 该技术成功地将性能提升与计算效率相平衡.
相关概念视频
Beams with Symmetric Loadings
372
The moment-area method is an analytical tool used in structural engineering to determine the slope and deflection of beams under various loads. Consider a cantilever with a concentrated load and moment at the free end. The first step is constructing a free-body diagram to calculate the reactions at the fixed end. Next, the bending moment diagram is plotted to visualize how the bending moment varies along the beam's length, focusing on points where the bending moment equals zero.
The M/EI...
The M/EI...
372
Beams with Unsymmetric Loadings
381
Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
381
Shear on the Horizontal Face of a Beam Element
487
To understand shear on the flat side of a prismatic beam element, consider the vertical and horizontal shearing forces, and the normal forces, acting on the element. The element's upper (U) and lower (L) sections, which are divided by the beam's neutral axis, are examined. The equilibrium of these forces is determined by applying the equilibrium equation, which helps identify the horizontal shearing force. This force is directly related to the bending moments and the cross-section's...
487


