OFDM

使用该程序生成LFM宽带信号，用于雷达阵列(generate LFM signal for radar array)

本程序是QPSK信号在瑞利衰落信道下的仿真，已经过本人验证，适合初学者(This procedure is QPSK signal simulation in Rayleigh fading channel, I have been verified, suitable for beginners)

Matlab编程实现FFT变换及频谱分析的程序代码（适合初学者加强理解）。（1)用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图；(2)进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选；(3)做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱；(4)用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图。(Matlab codes for FFT Understanding which contains sine wave,rectangular wave and the reletaed frequency spectrum figure about MSE,Log,IFFT and so on.)

说明：  该MATLAB程序生成10个Gold码序列，每个码序列长31位，并计算各个码序列间的相关性。(This MATLAB program generates 10 Gold codes sequences, each of 31 bits long. The correlation performance among code sequences is also computed.)

威布尔参数估计，可靠性与寿命预测方向，机械工程(Weibull parameter estimation)

用稳定边界法整定公式来求P,PI,PID的个参数，其中G是已知被校正系统的开环传递函数,kp为比例系数， Ti为积分时间常数，Td为微分时间常数，输入参量Gc为校正器传递函数，p为系统开环极点的个数（不计重根个数，即多重根只计一个根）(With the Stable Boundary tuning formula seeking P, PI, PID' s parameters, of which G is known to be corrected and the system of open-loop transfer function, kp is proportional coefficient, Ti the integral time constant, Td for the differential time constant, input parameters Gc for the corrector transfer function, p is the number of poles of open-loop system (excluding the number of multiple roots, that is a multiple root only to the root))

simple code to dufuzzifier in fuzzy logic control

基于一个二阶线性系统实例，介绍了全程滑模变结构控制，实现了系统的鲁棒性特点。(Global sliding mode variable structure control, based on a second order linear system instance, the robustness of the system characteristics.)

角度和时延联合估计（JADE）算法MATLAB程序(Angle and time delay estimation (JADE) algorithm combined MATLAB )

产生一个幅移键控（ASK）信号，具有正态分布的随机幅度。(have a rate-shift keying (ASK) signal is normally distributed random rate.)