1) main-to-sidelobe ratio
主旁瓣比
1.
The relation between main-to-sidelobe ratio and Doppler frequency after the pulse compression in pseudorandom code(m-sequence) phase modulation continuous wave(CW) radar was studied,and the mathematical expression of main-to-sidelobe ratio after the pulse compression was deduced.
研究了伪码(m序列)调相连续波雷达的脉压主旁瓣比随目标多普勒频率变化的关系,并推导了其数学表达式。
2) main lobe to side loberatio
主旁瓣抑制比
3) Main-lobe and side-lobe
主瓣和旁瓣
4) ratio of integral side lobe
积分旁瓣比
1.
The jamming effect of active noise suppression jamming to spot object imaging is evaluated quantitatively by using the ratio of peak value side lobe and the ratio of integral side lobe.
文章在建立对点目标成像模型的基础上,引入SAR图像质量评估指标,用峰值旁瓣比和积分旁瓣比来定量地评价有源噪声压制干扰对点目标成像的干扰效果,并就几种典型的噪声压制干扰样式对SAR的干扰进行了计算机仿真。
5) mainlobe and sidelobe magnitude ratio
峰值旁瓣比
1.
A chirp parameters estimation method was proposed which could evaluate the Doppler frequency and chirp rate separately of the linear frequency modulation signals by comparing the mainlobe and sidelobe magnitude ratio of the rows or columns in the MDCFT amplitude matrix.
提出了一种从比较MDCFT幅度值矩阵行(列)的峰值旁瓣比来分别定位线性调频信号的多普勒中心频率和调频率的方法。
6) 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。
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