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zhixiangxing
直线阵自然指向性仿真,先根据设定的角频率仿真单频信号A sin(ωt);再根据阵元间距、入射角度计算得各阵元相对参考阵元接收的信号的时延 τ (dsin(θ))/c。
假设等间隔N基元线阵,入射信号是平面波,那么阵元输出信号为:S_n (t) A sin(ωt+nφ);其中 φ 2πfτ 为相邻阵元接收信号间的相位差;再将基阵各元输出求和,取最大值max,就得到输出幅度;以入射角为横坐标,幅度为纵坐标作图得直线阵自然指向性。
(Linear array directivity simulation)
- 2020-12-05 14:39:24下载
- 积分:1
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yuyinlvbo
matlab对语音信号滤波,并比较滤波前后的音效。(matlab on the voice signal filtering, and compare the sound before and after filtering.)
- 2008-01-15 23:13:33下载
- 积分:1
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ga
说明: 主要用于初学者的有关遗传算法的MATLAB的应用.这里应用了少量的工具箱,对初学者很有帮助.(Mainly for beginners of the Genetic Algorithm MATLAB applications. Here the application of a small amount of kit, very helpful for beginners.)
- 2008-05-02 01:37:47下载
- 积分:1
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otsu_2
说明: 适用Otsu方法做阈值分析。阈值决策的依据是最大类间方差,这种方法的依据就是类间方差,本程序仅仅适用与二分类问题。(thresholding algorithm using Otsu)
- 2011-03-01 14:54:09下载
- 积分:1
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matlab0
matlab语言基本规则介绍,包括变量定义,数组声明,循环遍历等(The basic rules of the matlab language introduction, including variable definitions, array declaration, loop through)
- 2012-07-03 14:24:57下载
- 积分:1
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intmain
利用matlab产生二进制调制信号波形,以实现噪声信号干扰研究(Matlab generated using the binary modulation signal waveform in order to achieve noise signal interference study)
- 2008-05-26 11:05:54下载
- 积分:1
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sspropc
利用分步傅立叶积分法,求解薛定谔方程,可以计算光纤中色散与自相位调制效应(This file solves the nonlinear Schrodinger equation for propagation in an optical fiber using the split-step Fourier method described.)
- 2011-01-04 09:58:54下载
- 积分:1
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111
高阶谱和双谱程序,很全,内含自己编写的若干程序(High order spectrum and power spectrum procedures, very full)
- 2013-05-05 13:50:41下载
- 积分:1
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chaoliujisuanchengxuhanpvjiedian
1节点固定为平衡节点,其他节点为pq节点,程序可以计算网络损耗,支路功率,输电效率,平衡节点功率,潮流分布。(One node is fixed at a balanced node, other node to node pq, the program can calculate the network loss, the slip power, the transmission efficiency of node power balance, the trend of the distribution.)
- 2009-04-03 14:47:42下载
- 积分:1
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121312
SVM的主要算法功能十分强大,分享之,如果你不行你可以下载看看是吧(dfgdfgweqweqweqwe)
- 2010-11-03 14:36:43下载
- 积分:1