GK_3_simulation_phase_shift

说明：  对sinc函数进行内插后的误差比较（matlab）(Of the sinc function interpolation error after the comparison (matlab))

OFDM等一系列代码分享，包括调制，预编码，信道编码，接收等算法。(OFDM and a series of code-sharing, including the modulation, pre-coding, channel coding, receiving and other algorithms.)

采用backfolding差分算法，去除相邻点间的噪声干扰(Difference algorithm to remove the noise between adjacent points.)

信号包络处理中，用于包络解调的。已经用过了。效果很好。 (Envelope signal processing for envelope demodulation.)

说明：  关于MATLAB的入门教程，初学者可以(Introductory tutorials on MATLAB, a beginner can)

说明：  ·Matlab加扰解扰仿真系统，可以观察加解扰前后信号的时域和频域波形，有助于理解扰码的概念和解扰的过程(scrambling and de-scrambling Matlab simulation system Encryption can be observed around the signals in time domain and frequency domain waveforms scrambler help understand the concept of the process and Descramble)

炮弹发射视为斜抛运动，已知初始速度为200m/s，问要击中水平距离360m、垂直距离160m的目标，当忽略空气阻力时，发射角应多大？此时炮弹的运行轨迹如何？(Projectile launch angle problem )

子空间辨识，随即输入，根据算法算出系统矩阵( Subspace Identification for Linear Systems)

一个高效的matlab代码，用来拟合图像中的圆(An efficient matlab code used to fit the image of a round)

variation变换法求分形维数，编译过，可以用，很好(variation)