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HUFMM
- 哈夫曼树又称最优二叉树,是一种带权路径长度最短的二叉树。所谓树的带权路径长度,就是树中所有的叶结点的权值乘上其到根结点的径长度(若根结点为0层,叶结点到根结点的路径长度为叶结点的层数)。树的带权路长度记为WPL=(W1*L1+W2*L2+W3*L3+…+Wn*Ln),N个权值Wi(i=1,2,…n)构成一棵N个叶结点的二叉树,相应的叶结点的路径长度为Li(i=1,2,…n)。可以证明哈夫曼树WPL是最小的。-Huffman tree i
func_Dtaylor
- it s very useful to optimize filter and synthesize antenna arrays with low side lobe
xianzhenchibe
- 直线阵采用切比学夫加权控制主旁瓣比,抑制噪声。此程序基于常规波束形成实现,程序思路清晰,适合刚接触阵列信号处理的人参考。-Linear array by cutting the right of control over the primary school laid upon the side-lobe ratio, noise suppression. This program is based on conventional be
FFT
- FFT变换结果为对称型,矩形窗是使信号突然截断,旁瓣会很大,且衰减较慢,旁瓣的第一个负 峰值为主瓣的21%,第一个正峰值为主瓣的12.6%,第二个负峰值为主瓣的9%,效果一般,泄漏较大。 -FFT, the result is symmetric, rectangular window is suddenly cut off the signal, the side lobe would be great, and the sl
Description-hippocampus
- 海马分割简介 大脑海马是位于脑颞叶内的一个部位的名称,人有两个海马,分别位于左右脑半球。它是组成大脑边缘系统的一部分,担当着关于记忆以及空间定位的作用。名字来源于这个部位的弯曲形状貌似海马。 -About hippocampus segmentation in the hippocampus is a brain within the temporal lobe area of the name, w
Aperiodic-Array
- 研究采用大单元间距非周期阵列的方法抑制和避免栅瓣,并在单元级非周期阵列形式的基础上研究适合于大型相控阵的子阵级非周期阵列形式,给出几种非周期阵列的形式及相应的波瓣图-study the method of aperiodic array using big space of elements to suppress and avoid the grating lobe, and study the forms of aperiodic
GA
- 本程序运行需一个小时左右。优化准则是旁瓣电平最小。取栅格间距为lemda/2,阵元间距为栅格间距的整数倍。放阵元的位置放1,否则放0-This program should be running an hour or so. Rule of optimization is side-lobe level minimum. Take grid spacing for lemda/2, spacing for grid spacing ar
pslr_islr
- 计算雷达成像中的脉冲性能参数,即主瓣宽度、积分旁瓣比和峰值旁瓣比。-Calculation of the pulse radar imaging performance parameters, such as the Lord disc width, integral side-lobe peak than and side-lobe than.
nogfbdokfmobd
- 主要介绍和分析了某雷达的脉冲压缩及其旁瓣抑制技术,并给出了其工 程实现方法。 -Introduces and analysis of a radar pulse compression technology and its side-lobe suppression, and gives its workers Process to achieve
MSK
- 最小频移键控(Minimum Shift Keying,MSK)是一种具有连续相位和最小频偏的数字调制技术。MSK的突出优点是信号具有恒定的包络和信号的相位连续性,频带利用率高,信号的功率谱在主瓣外衰减较快,这就使得它对邻波道干扰小。-MSK (Minimum Shift Keying) is a continuous phase and the minimum deviation of the digital modulation t
optimizing-method-of-reducing-PSLL
- 由于圆形阵列所具有的特性,使其正得到日益广泛的应用,但是圆阵方向图却具有 相对主瓣较高的旁瓣电平。为此,本文针对均匀圆形阵列的天线单元,应用遗传算法,分别 进行唯相位、唯幅度、相位-幅度的方向图综合方法,进行旁瓣电平的优化。仿真结果表明: 这些方法可有效地降低圆阵的旁瓣电平,为解决此类问题提供了有益的参考。 -Circular array of features, are being increasingly widely
Array-beamforming-optimization
- 本文给出了一种利用幅相加权对阵列天线进行全局优化的方法。为了使天线的辐射波束形成给定的 方向图,采用联合应用DFP和BFGS公式的变度量算法对阵列天线各单元的馈电幅度和相位分布进行优化, 通过C++语言编程计算实现,从而使得优化后的阵列天线主波束形状能够与预给波束形状相吻合,达到设计 要求。全局优化是本文的特色,它弥补了局部优化结果的精确度依赖于初始值的缺点,因而得以保证通过优 化得到的天线主波束与给定波束的主瓣相吻合,
GSC_MIMO_DFCW_PYNG
- FCW+Alpha杂波及利用广义旁瓣相消(GSC)方法的MIMO雷达信号分离算法 注:离散频率编码信号(DFCW)为常用的MIMO雷达信号,该程序需要和“alpha_stable”文件放在同一目录下才可运行-Based on the generalized side-lobe destructively principle of MIMO radar signal separation algorithm MATLAB
paper4
- 基于压缩感知的SAR抑制旁瓣技术研究.pdf-Study of SAR Side-lobe Suppression Based on Compressed Sensing
Dipole-Antenna-Designing
- 单极天线设计仿真程序,可提供天线波瓣图,直观显示设计效果。-Monopole antenna design simulation program, antenna lobe diagram, intuitive design effect.
mainNewBlockMatrix
- 阻塞矩阵多频信号主瓣干扰抑制-画自适应波束形成图f=6、7、8、9MHz,目标角度10,干扰11,20,-20强度分别为20db,40db,20db,20db--Blocking matrix multi-frequency signal main lobe interference suppression- painting adaptive beamforming Figure f = 6, 7, 8, 9 MHz, target
clean_algorithm_radar-detection
- 该算法可以清楚的将雷达目标检测出来,去除旁瓣遮挡效应,提高雷达目标检测的分辨率。-The algorithm can clear the radar target detection out, remove side lobe barrier effect, to improve the resolution of the radar target detection.
clean_algorith_target_radar
- 该算法可以清楚的将雷达目标检测出来,去除旁瓣遮挡效应,提高雷达目标检测的分辨率。-The algorithm can clear the radar target detection out, remove side lobe barrier effect, to improve the resolution of the radar target detection.
vhf
- 基于波瓣分裂的米波雷达低仰角测高方法及其应用-Lobe split VHF radar altimetry method of low elevation and its application
ULA-pattern-synthesis
- 均匀线阵静态方向图综合,利用凸优化及其求解软件cvx,实现最低旁瓣综合,期望波束响应方向图综合(平顶主瓣),平顶主瓣旁瓣带凹口的方向图综合。-Uniform linear array static pattern synthesis using convex optimization and its solution software cvx minimum sidelobe integrated expectations beam r