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电路控制系统仿真，PID控制moshi，matlab(Circuit control system simulation, PID control moshi, matlab)

说明：  matlab 环境下编的时钟程序代码，业余爱好的(MATLAB，clock)

该文档主要实现matlab中的msk调制解调功能，广泛运用于现代数字通信中(The document is mainly achieved in the matlab msk modulation and demodulation functions, widely used in modern digital communications)

对单点水位进行任意长度、时间间隔的调和分析，得到潮位、潮流的调和常数，以及根据现有的调和常数进行预报等功能。(The harmonics of arbitrary length and time interval are analyzed for the single point of water level, and the harmonic constant of tide level and tidal current is obtained, and the function of forecasting is made according to the existing harmonic constant.)

程序实现了基于MATLAB的pi/4 QPSK的仿真,系统在相同条件下，对加噪声和没有噪声的情况，分别画出了它的眼图分析其性能，及已调制信号的时域波形和频谱。(The program realizes the simulation of pi/4 QPSK based on MATLAB. Under the same condition, the system draws its eye diagram to analyze the performance of the noise and no noise, and the time domain waveform and spectrum of the modulated signal .)

说明：  基于MATLAB的图像处理与分析，对于学习图像处理方面有很大的帮助，希望大家喜欢(MATLAB based image processing and analysis, image processing, for learning is very helpful, hope you like)

color mapping using look up table

Incremental Conductance: In the incremental conductance algorithm, we find the derivative of PV output power with respect to output voltage. The dP/dV is evaluated and the algorithm keeps checking this value and changes the duty cycle such that dP/dV=- I/V = 0. This is the point at which maximum power is transferred. If dP/dV is greater than zero, it means the PV is operating to the left of the MPP. If dP/dV is less than zero, it means the PV is operating to the right of the MPP. This method holds an advantage over the perturb and observe method since it is fast and does not oscillate around MPP. However, the method could experience instability due the involvement of the derivative.

matlab实现验证采样定理的仿真程序，附有仿真结果图(verification sampling theorem Matlab simulation program, with the simulation results Figure)

说明：  用matlab编写的差动双相码编码和解码的S函数模块。可以直接接信号源和示波器仿真！ 提供了S函数的编写主流框架。(Prepared with the matlab code differential phase encoding and decoding of S function modules. Can be directly connected signal source and oscilloscope simulation! S function provides a framework for the preparation of the mainstream.)