Cognitive-Radio

图片快速傅里叶变换 灰度转换 FFT坐标(FFt for images)

三维有限元静力问题分析程序，用Matlab编写，采用20节点3维单元，可绘制应力云图。(Three dimensions finite element programs)

在Matlab中扫描二维码,自己做的一个测试程序，基本功能包括：扫描与解码(scan and decode QR in Matlab)

This is helpful for study phase screen

用于计算输电网的潮流，充分考虑了线路中的变压器，并且对变压器模型设定了不同的输入方式，较为灵活的输入。(For the calculation of the trend on the transmission grid, give full consideration to the line transformer and the transformer model set a different input methods, more flexible input.)

详细描述了在LTE中用到了OFDM技术，对于LTE初学者有很大的帮助。(Described in detail in the OFDM technology used in LTE, the LTE is very helpful for beginners.)

说明：  神经网络处理信号，能提取出谐波频率和幅值(Neural network processing signal, can extract harmonic frequency and amplitude)

it is a projet of some student who upload on web

用matlab进行有限元编程资料，需要用gmsh对geo文件进行网格划分，可更改各项参数后评价区域的传热性能(Finite element program data using matlab, need for geo file gmsh meshing, parameters can be changed after the heat transfer performance uation area)

四旋翼飞行仿真器俯仰角的模糊PID控制器的设计，建立微型四旋翼无人机系统动力学数学模型和电机模型， 在系统模型的基础上设计模糊PID 控制器。通过Matlab/Simulink 仿真对所设计的模糊PID 控制器的有效性进行验证。(Design of Fuzzy PID Controller Flight Simulator four-rotor pitch angle, the establishment of micro four-rotor UAV system dynamics mathematical model and motor model, based on the system model design fuzzy PID controller. By Matlab/Simulink simulation of the effectiveness of the designed fuzzy PID controller for authentication.)