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A 3D radar signal pattern chart with a large red main lobe and several smaller rainbow-colored side lobes, labeled with Gain (dB), Bearing angle, and Elevation angle.

A 3D radar signal pattern chart with a large red main lobe and several smaller rainbow-colored side lobes, labeled with Gain (dB), Bearing angle, and Elevation angle.
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雷达的三维电磁信号图满足以下特点：三维方向图或电磁波场分布通常具有以下特点： 主瓣和旁瓣结构：主瓣能量最强，呈集中分布，旁瓣会明显存在，强度逐渐衰减，不会完全对称、完美平滑。 存在噪声或离散性：实际方向图通常来源于仿真或实测，图上会有离散采样点和插值，表面不是完全光滑的“花瓣”。 对称性可能受阵面布局影响：例如相控阵天线阵列会产生方向性很强的主瓣和规律性旁瓣，但阵面不完全均匀时旁瓣会畸变。 色彩多用等高线或伪彩：雷达界通常用伪彩色（如红黄绿蓝）来表示功率强度，但多是连续渐变的，不会是艺术化的“羽毛”形状。 三维展示会标注轴向：常有方位角、俯仰角、增益（dB）刻度，以方便定量解读，而不是仅作为美观渲染。 See more

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