半复合阵列的ANN辅助光束模式优化,用于光束方向应用
Waseem Khan1, Saleem Shahid2, Ali Naeem Chaudhry1
1Department of Electrical and Computer Engineering, Air University, Islamabad 44000, Pakistan.
Sensors (Basel, Switzerland)
|November 27, 2024
概括
一个人工神经网络 (ANN) 优化了Semi-Coprime阵列与分阶转向 (SCASS) 参数. 这种方法最大限度地减少了半功率光束宽度 (HPBW) 以达到所需的峰值与侧叶比率 (PSLR),实现了高精度.
科学领域:
- 信号处理 信号处理
- 阵列信号处理 阵列信号处理
- 人工智能的人工智能
背景情况:
- 带有分阶转向 (SCASS) 的半复合阵列提供可调节的光束成型参数.
- SCASS允许在半功率光束宽度 (HPBW) 和峰值与侧叶比率 (PSLR) 之间进行权衡.
- 为特定的绩效目标优化这些参数是具有挑战性的.
研究的目的:
- 提出一个人工神经网络 (ANN) 来估计最佳的SCASS参数.
- 为了最大限度地减少给定的PSLR和转向角度的HPBW.
- 在SCASS系统中增强光束成形性能.
主要方法:
- 使用Matlab模拟SCASS光束模式开发了一个数据集.
- 使用数组架构参数,转向角度和所需的PSLR作为输入来训练ANN.
- 验证了ANN预测最佳可调节参数的能力.
主要成果:
- 经过训练的ANN准确地建议最佳的SCASS参数.
- 为所需的PSLR和转向角度达到最低HPBW.
- 在参数估计中显示的平均绝对误差仅为0.83%.
结论:
- 拟议的ANN有效地优化了SCASS数组参数.
- 这种方法平衡了HPBW和PSLR,以改善梁成型.
- 该ANN为SCASS性能调节提供了一个精确而有效的方法.
相关概念视频
Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule
1.2K
In the AX proton spin system, proton A can sense the two spin states of a coupled proton X, resulting in a doublet NMR signal with two peaks of equal (1:1) intensity. When proton A is coupled to two equivalent protons (AX2 spin system), the spin states of each X can be aligned with or against the external field, creating three possible scenarios. This results in a 1:2:1 triplet signal, where the central peak corresponds to the chemical shift of A and is twice as large or intense as the...
1.2K
Prismatic Beams: Problem Solving
105
In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
105


