jack_immune

几种先进PID控制算法的matlab仿真源代码。(Several advanced PID control algorithm matlab simulation source code.)

detection of english alphabet

Lamb波群速度，相速度，波长随着频率的变化(Lamb wave scpoe)

Matlab中erf(x)函数的表达式是怎样的，erf(x)与标准正态分布函数之间的关系是怎样的，怎样自己编制一个计算标准正态分布函数数值近似值的函数，如何利用matlab自带的erf(x)函数包近似计算标准正态分布函数的值，数值计算值与用erf(x)转化求得的值之间的相对误差是怎样的。(将中文译成英语 Matlab, erf (x) function expression is what, erf (x) the standard normal distribution function and the relationship between what and how to prepare their own calculation of the standard normal distribution function a value function approximation, how to use matlab comes with erf (x) function package approximate standard normal distribution function values??, numerical values ??and with erf (x) between the values ??obtained into the relative error is like. )

这个程序是主要适用于matlab初学者，来学习如何绘制一个函数的三视图；(This program is mainly applied to matlab for beginners to learn how to draw a function of three views )

hilbert-huang 变换的源码 蛮有用的(hilbert-huang transform source quite used)

tree leaves counter for Matlab

说明：  软硬阈值的语音增强处理，可直接运行出结果，可做语音增强算法参考(Hard and soft threshold speech enhancement processing, can be run directly the results, can be reference for speech enhancement algorithm )

matlab codes for bcjrfuncion,maxstar and parallel turbo

说明：  要：分析和研究了授权用户和认知用户共享频谱的一种算法的性能。 针对阴影效应或信道深衰落时，单用户频谱感知算法无法识别是频带未被 使用还是信道处于深衰落的情况，在频谱感知功率控制算法上进行了改进， 以克服这种算法的不足。改进后的算法能有效地控制认知用户的发射功率， 避免对授权用户产生有害的干扰。仿真结果表明改(To: analysis and research of the authorized users to share spectrum users and a cognitive performance of the algorithm. For the shadow effect or deep fading channel, the single-user spectrum sensing algorithm can not identify a band or a channel has not been used in the case of deep fading, the spectrum sensing power control algorithm has been improved on, to overcome the deficiencies of this method. The improved algorithm can effectively control the cognitive user' s transmit power, to avoid harmful interference with authorized users. Simulation results show that the change)