hw1

本程序实现QPSK信号，通过瑞利信道后的各部分星座图(The program QPSK signal, Rayleigh channel through each part of the constellation after)

particle swarm optimization

说明：  在matlab上实现通过巴特沃斯滤波器来设计数字滤波器。(In matlab to achieve through the Butterworth filter to design digital filters.)

说明：  该程序的主要功能是用于产生LFＭ线性调频信号(The program' s main function is used to generate LFM chirp signal)

determine the blocking probability, with paissn for traffic engineering

第二类样条插值多项式源代码，用于科学计算与数据处理，含有详细注解说明，可供matlab学习者参考。(The second category spline interpolation polynomial source code for scientific computing and data processing, contains a detailed description of annotations available matlab learners.)

这是一个matlab神经网络的简单应用，主要用于预测光伏出力，输入为温度湿度等因素，输出为光伏出力。(this is an simple example appling neural network using matlab which can be used to predict the active power of a PV.Tempreture,humid etc are input variables and the active power of a PV is output variable)

Low Pass Filter. it is used to find the low frequency components of the image. it gives the blurry image and removes noise

pi/4-QPSK的恒模盲均衡matlab代码，并附有说明(pi/4-QPSK constant modulus blind equalization matlab code together with explanation)

解耦，恢复原信号，基于小波变换的数字水印算法matlab代码，迭代自组织数据分析。( Decoupling, restore the original signal, Based on wavelet transform digital watermarking algorithm matlab code, Iterative self-organizing data analysis.)