MATLABsourcecodeforFSKmodulationanddemodulation

关于matlab中的众多函数，及相对应的作用介绍，便于查找和记忆(With regard to the many functions in matlab, and the corresponding role of the introduction, easy to find and remember)

说明：  先判断能控能观，再设计控制器，达到工程要求(controller design)

重点介绍Matlab软件在橡胶材料变形测量中的应用，主要通过相关法来实现的(Introduces Matlab software and its application in the measurement of rubber material deformation, mainly realizes through the correlation method)

完成傅里叶的变换，将时间域的信号转换到频率域(The complete Fourier transform converts the signal of the time domain to the frequency domain)

说明：  图像的直方图均衡化程序，matlab编写，用于演示(Histogram equalization)

一种基于matlab/simulink的风力力发电建模系统，里面有非常多实用的模型能直接使用 (A wind power generation modeling system based on matlab/simulink, there are very practical model can be used directly)

双容水箱的液位控制问题。首先对被控对象的模型进行分析，并采用实验建模法求取模型的传递函数。其次，设计PID控制器，在Matlab/Simulink环境下建立双容水箱控制的仿真模型，对PID控制算法进行仿真研究。通过仿真实验，证明该设计方法可行性和该算法的正确性。最后完成了基于PLC的双容水箱液位控制的软硬件设计，编写了PLC梯形图实现了水箱液位的PID控制。(Dual tank water level control problems. First, the controlled object model for analysis and modeling approach using experimental strike transfer function model. Secondly, the design of PID controller, simulation model dual tank water control in Matlab/Simulink environment, PID control algorithm simulation. Simulation results show that the design feasibility and correctness of the algorithm. Finally completed the hardware and software design of PLC-based dual-tank water level control, the preparation of the PLC ladder to achieve the tank level PID control.)

this is simple sample of Group Method of Data Handling(GMDH) neural network main file: GMDH.m

双边幅度调制与解调 对频率为30Hz的余弦信号进行双边带幅度调制，载波频率为300Hz，并采用相干解调法实现解调(Bilateral amplitude modulation and demodulation cosine signal of 30Hz frequency double sideband amplitude modulation, carrier frequency is 300Hz, and the use of law to achieve coherent demodulation demodulation)

说明：  一个关于调制的MATLAB小程序，此程序的调制方式是幅度调制。(on modulation of a small MATLAB procedures, this procedure is the modulation amplitude modulation.)