1) mainlobe/sidelobe
主瓣/副瓣
2) ratio of sidelobe to mainlobe
副主瓣比
1.
Finally, several group of chaotic binary-phased codes which have the optimum ratio of sidelobe to mainlobe are screened out by performing the operation of self-correlation.
并用MATLAB编制的程序获取均匀分布的混沌序列,经自相关运算后从中筛选出若干组具有最佳副主瓣比的混沌二相码。
3) mainlobe peak to sidelobe peak ratio
主副瓣比
1.
Compared with entire correlation digital pulse compression,time delay characteristic,compression ratio,the mainlobe peak to sidelobe peak ratio and the width of the mainlobe peak of partial correlation digital compression are analyzed.
文中对LFM信号在部分相关情况下的数字脉冲压缩进行了理论推导,并将其与完全相关数字脉压的情况进行对比,分析了时延特性、压缩比、主副瓣比和主瓣宽度等压缩性能参数。
4) sidelobe
副瓣
1.
The importance about lower sidelobe of the missile-borne radar seeker antenna was briefly introduced.
简要介绍了弹载雷达导引头天线实现低副瓣电平的重要性,分析了平板缝隙阵天线采用的几种典型的口面分布在实现低副瓣电平时存在的优缺点,并对平板缝隙阵导引头天线低副瓣电平设计给出一种设计方法,此设计方法在仿真实例中得到了验证。
2.
The complex ray theory is applied to analyze the influence of radome on low sidelobe proper-ty of airborne phased array.
运用复射线理论分析了无线罩对机载相控阵天线低副瓣性能的影响，得出了对低副瓣天线阵及天线罩一体化设计有参考价值的一些结论。
3.
Taylor-colligation is one of the commonly used method in the design of low sidelobe antenna.
鉴于泰勒综合法是一种常用的低副瓣天线的综合方法,文中用MATLAB模拟计算,分析了口面幅相误差对泰勒线阵方向图副瓣的影响,并给出设计副瓣为-40 dB,要使副瓣误差在8 dB以内,天线幅度相位所允许的最大误差。
5) side lobe
副瓣
1.
The discontinuity at the edge of the reflector makes the scattered field from the discontinuity interfere the reflected field of the parabolic surface, resulting in degeneration of the antenna side lobe level.
由于反射面天线中抛物盒顶部开口所造成结构不连续,使其开口处产生的散射场对抛物盒的反射场干涉而造成口径场畸变,从而导致了天线副瓣性能变差。
2.
Generally,side lobe level of a sparse-array at arbitrary position is high.
任意位置稀布阵通常具有较高的副瓣。
6) maximum relative side lobe level
最大副/主瓣比
补充资料：主瓣
主瓣
超声学术语。换能器发射的超声在声束轴线周围的较小立体角内，集中了大部分声能并代表发射超声方向性的声束称主瓣。主瓣的立体角越小，能量越集中，束射性越好。主瓣的空间角度
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