Chebyshev-filter

class to produce an X.509 Version 3 certificate.

利用BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM， 信号进行基带，通带调制解调，分析频域，时域波形，误码率等(Using BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM for modulation and demodulation. Analyzing the spectrum, wave forms, and bit error rate )

Converts binary data of any format in a string to floating point decimals of a defined fraction size. the intsize input parameter defines the size of the exponent and sets the fixed point location in the binary number. se accompanied matlab program for test of this function

运用分步傅里叶法求解NLS方程，最终输出时序图和频域图(Using split-step Fourier method for solving NLS equation, the final output timing diagrams and frequency domain)

implements the secant method for solving an equation f(x) = 0.

说明：  雷达信号处理书——雷达系统设计matlab仿真和雷达系统分析与设计（第三版）配套的程序(Radar signal processing book -- matlab program for radar system design matlab simulation and radar systems analysis and design using MATLAB (Third Edition))

无线传感器网络仿真LEACH协议，希望有人能改进下(Wireless sensor network simulation LEACH protocal, under the hope that someone can improve)

这是一个低通抽样定理，例题中包括了低通信号的波形，抽样速率为4Hz的抽样信号，抽样序列恢复出原始信号(This is a low-pass sampling theorem, examples included in the lowpass signal waveform, the sampling rate is 4Hz sampling signal to recover the original signal sample sequence)

MATLAB基础与应用实例集粹 模糊逻辑工具箱的使用 Simulink仿真与电路分析应用( Basis and application example highlights MATLAB fuzzy logic toolbox of using Simulink simulation and circuit analysis applications )

unit root test!!!!!!!!!!!!!!!!!!!!!including kinds of toolbox