1) sidelobe depressed technique
旁瓣降低技术
2) Sidelobe reduction and suppression
旁瓣降低和抑制
4) low side-lobe
低旁瓣
1.
In order to realize wide-band and low side-lobe of one-dimension scaning phased array antenna for millimeter,micro-strip patch series array was analyzed by full wave method of moments.
为实现毫米波一维扫描相控阵宽带低旁瓣设计,在分析全波矩量法的基础上设计了带宽大于10%、增益19dBi串馈阵列天线。
5) low sidelobe level
低旁瓣
1.
By searching the previously formed beam pattern,the highest sidelobe location is found and the correspongding direction vector is added to the constrained conditions of multi-linear constrained minimum variance algortithm to receive the new weight value which can obtain a low sidelobe level.
本文基于多线性约束最小方差准则,提出了一种降低旁瓣的波束形成算法。
2.
The array is of simple structure, low sidelobe level and circular polarization characteristics.
该天线结构简单,具有低旁瓣与圆极化特性。
补充资料：超低旁瓣
为了增强现代舰用天线系统的抗干扰能力,必须提高天线旁瓣的测量精度.
基于此给出了用平面近场技术测量超低旁瓣天线时,旁瓣测量总误差与待测天线参数、近场幅相随机误差的数学模型:在相同的测量条件下,天线旁瓣越低,旁瓣测量误差越大;
旁瓣测量总误差随着近场测量幅相误差的增大而增大;近场分布的口径效率与旁瓣电平的误差方差成反比.
建立了近场幅相随机误差所引起的误差谱的表达式.对随机误差对远场方向图的影响进行了计算机仿真验证:结果表明,幅相误差主要影响远场方向图的旁瓣;该验证方法首次采用阵元数较少的线阵,仿真效果接近采用多阵元平面阵的情况.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条