PHPIDRD

关于双门限法的语音端点检测，及其量化和LPCC算法及倒谱参数的计算(limit on the two-door method of voice endpoint detection, and quantification and LPCC algorithm and Cepstrum calculations.)

说明：  基于LQR和PID的倒立摆小车控制，希望有需要的人能用到(Based on the control of the inverted pendulum trolley based on LQR and PID, I hope that those in need can use it)

说明：  同一坐标系中的多条曲线的MATLAB程序，直接运行。希望对大家有帮助。(The same coordinate system in the curve of a number of MATLAB procedures, direct running. We want to help.)

matlab 实现语音信号经过编码后经过瑞利信道的仿真(The signal is coded and thenpass the Rayleigh channel is simulated by matlab)

Finds a root of f(x) = 0 by combining quadratic interpolation with bisection (Brent s method).

粒子群优化算法源程序，广泛应用于PID参数整定，神经网络优化，交通物流分析等等。(PSO algorithm source, widely used PID parameter tuning, neural network optimization, traffic flow analysis and so on.)

说明：  利用分布傅里叶方法进行数值仿真，包含损耗、色散、SPM效应。 可以观察脉冲展宽与压缩，光孤子演化。(The distributed Fourier method is used for numerical simulation, including loss, dispersion and SPM effect. We can observe the pulse broadening and compression, and the evolution of optical solitons.)

在带限信道信号传输的仿真。仿真4PAM调制信号在AWGN信道下的性能，画出误比特率和误符号率。 (In the band-limited signal transmission channel in the simulation. Simulation 4PAM modulated signal in AWGN channel performance.)

matlab code for image restoration

循环谱计算程序,采用FAM平滑算法,画出了图形(spectrum of the signal cycle program,)