Rough-set-code

FFT可以将一个信号的频谱 提取出来，这在频谱分析方面也是经常用的。 (A signal can be extracted from the FFT spectrum, which spectrum analysis is also often used.FFT)

说明：  实现协作频谱感知的瑞利衰落信道的and融合策略(Cooperative spectrum sensing in the Rayleigh fading channel and integration strategy)

定步长四阶龙格库塔法的matlab源程序(Fixed step size fourth-order Runge-Kutta method matlab source)

The Padé approximant often gives better approximation of the function than truncating its Taylor series, and it may still work where the Taylor series does not converge. For these reasons Padé approximants are used extensively in computer calculations.

matlab实现excel格式的数据的快速傅立叶变化程序(matlab excel format data fast Fourier transform program)

此例程为配套书籍的第六章例题7-19的相对应代码，功能为QPSK调制与解调，编程环境为matlab。(This routine supporting books Chapter Example 7-19 corresponding to the code for the function QPSK modulation and demodulation, programming environment Matlab.)

运用matlab语言基于极大似然估计法对非负二项进行拟合的小程序(Matlab language use based on maximum likelihood estimation method for two non-negative small-fitting procedures)

对SC-FDE采用不同UW（特殊字）情况下进行误码性能比较，UW类型分别为chu序列和Frank-Zadoff(For SC-FDE using different UW (special characters) for the case of error performance comparison, UW type sequences, respectively, and Frank-Zadoff chu)

simulates a frequency selective channel

MATLAB 编程有助于初学者进行学习，了解以及相应的运用(MATLAB programming will help beginners to learn, understand, and use of appropriate)