wu_huanliu

OFDM based sprectum sensing for cognitive radio

This is a series of function that deals with setting & getting the hotplug resource table in some environment variable.

标准四阶龙格库塔matlab函数 并且附带具体实例(Standard fourth-order Runge-Kutta Matlab function and with specific examples)

本源代码包括了一个完整的蜂窝移动通信系统的各个模块的仿真程序,开发环境是matlab,希望可以从事此方面工作的人员提供一个借鉴.(Source code, including a complete cellular mobile communication system simulation program of each module, the development environment is matlab, hope that we can engage in this work provide a reference.)

编制程序产生序列 信号长度可通过“输入”确定，并绘出其图形。 (Programmed sequence of signals generated by the length of " input" to identify and draw its graphics.)

This program show the effect of Gaussian filter. The output are four subfigures shown in the same figure:

Histogram of Orientated Gradients for gray-level images

描述几种常见的变步长算法，步长因子与误差之间关系的曲线。(This paper describes several common variable step size algorithms, the curves of the relationship between the step factor and the error.)

二维的MATLAB的FDTD仿真程序，对二维FDTD学习很有帮助。(Two-dimensional FDTD simulation of the MATLAB program, very helpful to the two-dimensional FDTD.)

this program gives detail ides on the addition of noise to the radar signal in matlab...in general a radar signal is corrupted by noise at the time of transmission.