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LDPC非规则二进制校验矩阵生成函数，可生成任意规格的校验矩阵(Irregular LDPC binary check matrix generating function, can generate arbitrary specifications checksum matrix)

使用matlab程序编写的ACO算法过程，适合初学者(Use of matlab programming process of the ACO algorithms, suitable for beginners)

产生两个均值为m,方差为sgma的高斯随机变量，当输入参数只有一个时，认为均值为0。(mean to have two m, sgma variance for the Gaussian random variables, when only one input parameters, that the mean of 0.)

预报误差法参数辨识-松弛的思想，考虑雨衰 阴影 和多径影响，小波包分析提取振动信号中的特征频率。( Prediction Error Method for Parameter Identification- the idea of relaxation, Consider shadow rain attenuation and multipath effects Wavelet packet analysis to extract vibration signal characteristic frequency.)

这是一个使用matlab软件进行FSK信号仿真的程序，包括了FSK的解调和调制，希望有用。。。。(This is an FSK signal using matlab software simulation of the process, including the FSK demodulation and modulation, hope helpful. . . .)

fdtd 程序源代码（有吸收边界的）给出可是化结果(1D FDTD simulation in free space Without Absorbing Boundary Condition )

研究了重频参差相参脉冲串的频率估计算法。通过脉内相关积累，提高了新序列的信噪比。对新序列的相位差按参差重数抽样平均，减小了等效的相位噪声方差，利用重频参差比解相位模糊，扩大了频偏允许范围，降低了算法的信噪比门限。分析了本算法实现相参频率估计的条件，推导了相应信噪比门限的解析表达式，指出了信噪比门限与信号样本总数、参差重数、参差比之阎的关系。仿真结果表明：上述结论是正确的，在满足信噪比门限条件下，频率估计的精度接近相参脉冲串频率估计的克拉美一罗限(CRLB)。(Frequency Estimation for Staggered Coherent Pulse Train)

用传输矩阵法计算光子晶体反射率和透射率的MATLAB程序，（两种公式）且已验证(photonics crystals program)

TEXT BOOK TO LEARN PROGRAMMING IN C

说明：  ＢＰＳＫ　检测其在rayleigh信道中的性能　it is useful for you!(BPSK detected in Rayleigh Channel performance it is useful fo r you!)