1) peak sidelobe level
峰值旁瓣电平
1.
Through the theoretical analysis and computer simulation,the statistical peak sidelobe level(PSL) of compression wave of the correlation receiver,and the resolved ability were studied.
仿真结果表明,这种信号与线性调频超宽带雷达信号相比,在一定的条件下,可以获得更低的峰值旁瓣电平,并且具有更好的分辨能力。
2.
In this paper,the basic principle about the mean sidelobe level and the peak sidelobe level are described.
论述了均值旁瓣电平和峰值旁瓣电平的基本原理。
2) peak side-lobe level(PSLL)
峰值旁瓣电平(PSLL)
4) mean sidelobe level
均值旁瓣电平
1.
In this paper,the basic principle about the mean sidelobe level and the peak sidelobe level are described.
论述了均值旁瓣电平和峰值旁瓣电平的基本原理。
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) peak side lobe lev-el(PSLL)
峰值副瓣电平(PSLL)
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