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新型图神经网络及GNN-C-Transformer模型构建在到达方向估计中的应用
方向到达估计(DOA)的传统方法存在计算复杂度高、低信噪比(SNR)性能差等问题。本文提出基于图神经网络(GNN)与Transformer的融合框架,创新性地构建稀疏阵列的图连接结构,建模阵列几何关系并捕获时空依赖,显著提升低SNR下的估计精度和计算效率。
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