Wiley--Introduction-To-Digital-Signal-Processing-

说明：  粒子滤波matlab程序，可用于机动目标跟踪，适用于非线性系统(Particle filter matlab program can be used for maneuvering target tracking for nonlinear systems)

输入经度，纬度坐标，输出该坐标所在的通用横墨卡托格网系统坐标(input latitude, longitude, output universal transverse mercartor zone coordinates)

基于matlab环境下的自相关函数的周期图功率谱密度(Based on the power spectral density of the autocorrelation function of the periodogram in Matlab environment)

现需要在高度为600~700KM范围内，回归周期为30天的太阳同步轨道上布置一颗L波段的合成孔径雷达卫星。 1. 请设计合适的轨道参数，并仿真对应轨道下一个运行周期内星下点轨迹图（纬度和经度两个图）； 2. 计算多普勒中心频率，多普勒调频率与纬度的关系图（设姿态角为0°，天线视角20°~60°，推荐35°）； 3. 按高斯投影方式，将星下点轨迹图投影到地图坐标上。(Now requires a height of 600 ~ 700KM range, return period of 30 days are arranged on a sun-synchronous orbit L-band Synthetic Aperture Radar satellites. 1 Please design the appropriate orbital parameters and simulate the corresponding orbit within the next operating cycle nadir trajectories (latitude and longitude two graphs) 2. Calculate the Doppler center frequency, Doppler frequency and the relationship between latitude Figure (set attitude angle is 0, the antenna angle of 20 to 60, recommended 35) 3 Press Gauss projection, the nadir trajectories projected onto the map coordinates.)

说明：  gauss消元法求解方程组，可以准确的利用gauss消元法求解线性方程组 (gauss elimination method for solving equations, you can accurately use gauss elimination method for solving linear equations)

模拟出一个雷达系统的匹配滤波器，并给出脉冲压缩的结果(Simulate a radar system, a matched filter, and gives the result of pulse compression)

Simulink Model of Buck Converter, Use it with any Motor.

本段代码是用来做布拉格光纤光栅的仿真，耦合模式算法。(This section of code is used for the simulation of fiber Bragg grating coupled model algorithm)

matlab用户图形界面用法的一个小例子。用到了文本框、滚动条等控件，对刚开始学习matlab有一定的帮助。(matlab graphical user interface uses a small example. Used in the text boxes, scroll bars, and other controls, just started learning matlab have some help.)

一种最大Lyapunov指数的改进算法，以交通流混沌判别为例(Improved algorithm for maximum Lyapunov exponent, for example in order to determine the chaotic traffic flow)