DownQuad

IIR直接型系统结构转换为并联型系统结构(IIR direct-type system structure is converted to parallel-type system structure)

海面上一轮船沿直线匀速前行，速度为30公里/小时，船上有一雷达可用来测距、测角，船长关心的是周围目标那些是活动的船，那些是不动的岩石，若是活动的船，请按下面假设，分析有关因素，给出船的运动方向和速度。(ships on the sea along a straight uniform before the trip and a speed of 30 km/hour, On board there is a radar can be used to measure the distance and angle measurement, the captain of concern is around the goal of those activities is the boat. those are immobile rocks, if the ship by the following assumptions, analysis of the relevant factors, the boat is the direction and speed of movement.)

QAM generator. This code generates M-ary QAM signals

使用自适应滤波器实现未知系统识别，里面包括 RLS法和LMS法(Unknown system using an adaptive filter to achieve recognition, which includes RLS method and the LMS method)

机械优化设计的作业 包括一维搜索方法（二次差值，牛顿法，黄金分割法），以及最速下降法和内点惩罚函数法及等值线图(Optimal Design of mechanical operations, including one-dimensional search method (the second difference, Newton' s law, golden section method), and the steepest descent method and interior point penalty function method and the contour map)

通信仿真中非常重要的一个程序，实现ofdm抑制papr算法(Communication simulation program is very important to realize ofdm algorithm inhibition papr)

The COFDM simulation

wavelet technique is used for fault identification

Matlab Fuzzy k-Nearest Neighbor 分类算法(Fuzzy k-Nearest Neighbor Classification Algorithm)

支持多种星座符号调制和解调，包括m-PSK和m-QAM(Supports a variety of constellation symbol modulation and demodulation, including m-PSK and m-QAM)