chap4_3

finding a root by position of falses

说明：  深度学习的NN神经网络，加了改进的梯度，自己可以下载数据测试，如有不懂请联系本人(Depth study of the neural network NN, plus improved gradient, you can download the data to test, if I do not understand, please contact)

研究高超声速飞行器在纵向的运动情况，对系统的速度和飞行高度进行仿真分析，我们将对在不同的 、 值的条件下分析出系统的最优性能(The longitudinal motion of the hypersonic vehicle is studied, and the system speed and flight height are simulated. We will analyze the optimal performance of the system under different conditions and values.)

计算香浓熵，用于信号处理，表征信号混乱度。试过了，可以正常使用(Shannon entropy is calculated for signal processing and signal confusion is calculated. Tried, can be used normally)

OFDM without noise. May be usefull to freshman

MATLAB编程基础与典型应用，超星书籍，适合新手(Basic and typical application of MATLAB programming, Superstar books for beginners)

通过MATLAB仿真离散时间系统，研究其时频域特性，加深对离散系统的冲激响应，频率响应分析和零极点分布概念和理解(Discrete-time systems through MATLAB simulation to study the time and frequency domain characteristics to enhance the impulse response of discrete systems, frequency response analysis and zero-pole distribution and understanding of the concept of)

trinitycore item_set_names表汉化(trinitycore item_set_names Chinese)

说明：  视频监控中，基于matlab的视频跟踪源代码(Video surveillance, video tracking based on source code matlab)

this matlab file simulating band-pass filtering and also a matlab file that shows the snr of manchester coding