QAM_8

This is a code of the precise integration method.

低复杂度信道估计仿真程序，用来降低信道估计的复杂度(Low complexity channel estimation simulation program, used to reduce the complexity of the channel estimation)

基于GUI的图像分割：在不均匀光照情况下的图像的阈值图像分割(Image segmentation based on GUI: under the condition of non-uniform illumination image threshold image segmentation)

这是一种整流电路，可以将相位相差120的三相交流电变换为直流，变化方法用到了电机控制中的坐标变换，SVPWM算法，方法比较新颖。(a kind of circuit which can convert three_phase AC voltage to DC voltge)

演变过程 自抗扰控制器自PID控制器演变过来，采取了PID误差反馈控制的核心理念。传统PID控制直接引取输出于参考输入做差作为控制信号，导致出现响应快速性与超调性的矛盾出现。(In the process of evolution, ADRC evolves from PID controller and adopts the core idea of PID error feedback control. Traditional PID control directly draws the output from the reference input as a control signal, which leads to the contradiction between response speed and overshoot.)

说明：  数学建模问题 玫瑰有约 MATLAB程序(one mathematic modeling problem having a meet with Rose matlab program)

群智能算法包括蚁群、粒子群算法等，以及人工免疫算法(Swarm intelligence algorithms include ant colony, particle swarm optimization, and artificial immune algorithm)

对陀螺输出噪声误差进行数值分析，提高精度(umerical analysis was carried out on the gyro output noise error, and improve the precision)

相关函数,计算功率谱，互功率谱，相关性和相位(coherence function,Computing power spectrum, cross spectrum, coherence and phase)

说明：  利用中值滤波和小波相结合的方式，去除信号中含有的随机噪声和脉冲噪声(The method of combining median filter with wavelet is used to remove the random noise and impulse noise in the signal)