psmf1

2d barCode qrcode+datamatrix + others

Filter modeling using gravitational search algorithm

在已知内外方位元素的情况下，使用matlab程序编写代码实现共线方程求解。(Under the condition of the interior and exterior orientation elements are known, the use of matlab code to realize the collinear equation.)

搭建了一个OFDM系统，并用基于导频的方式进行了信道的估计，最后画出了系统在3条径下的瑞利信道时误比特率随信噪比的变化。(bulid a OFDM system,make channel estimation based on pilot signal,finally,plot ber when SNR changed)

fft算法实现，通过matlab语言实现对fft算法的变成实现(solve fft)

学习的例子，看后很有感触，欢迎大家前来下载，一起进步(Learning examples, look after very touching, welcome everyone to come to download, together with progress)

general genetic agorithm coding

说明：  数字波束形成，阵列信号，里面包含了经典DBF算法和基于FFT多波束形成算法，适合初学者，自己编的(Digital beamforming, array signal, suitable for beginners, own)

通信中伪随机码的产生，可以配置任意多项式和初值。(m sequence generation.)

利用大整数问题实现catalan数的求解，catalan数的计算涉及到互质问题(The use of large integer problems solving to achieve catalan number, catalan calculation of the number of issues related to coprime)