sbc-coding-old

扩频通信中的gold序列特性仿真研究。(1) 利用MATLAB编程产生Gold序列族；给出每个序列的一个周期的输出； (2) 根据平衡Gold序列产生方法，产生Gold序列族中的所有平衡序列，每个序列给出一个周期的输出； (3) 计算(1)中Gold序列自相关函数，并画出它们的自相关曲线； (4) 计算(2)中Gold序列互相关函数，并画出其中某一序列与其他序列的互相关曲线； (Sequence Spread Spectrum Communication Simulation of gold. (A) the use of Gold sequences generated MATLAB programming given a cycle of each sequence output (2) The balance of Gold sequence generation method to produce Gold sequences of all balanced sequences, each sequence gives a cycle output (3) computing (1) Gold sequence autocorrelation function, and draw their autocorrelation curve (4) computing (2) Gold sequence cross-correlation function, and draw in which a sequence with other sequences cross-correlation curve )

2011年数学建模比赛b题的建模资料，有MATLAB程序和各种数据表格(2011 Mathematical Contest in Modeling b topic modeling data with MATLAB programs and various data tables)

matlab最佳基带传输的程序（升余弦滚降系统），新手上路多多支持。(matlab best base-band transmission of the program (or cosine roll-off system), and newcomers will support the road.)

基于DCT的图像检索技术 用统计特征法和不变矩法 MATLAB程序(DCT-based image retrieval method using statistical features and invariant moment method MATLAB program)

已知自变量t，因变量y，y和t满足一下函数式： dy/dt=0.001414/(1/(4.5727*10^4*k1*(1-0.02119*y)^k2)+1/k3/45727)；（需要指出的是，该公式中参数可进一步合并，在本帖中并未作合并处理） 已知 t=；y=；拟合出参数k1，k2，k3。(Known independent variable t, the dependent variable y, y, and t satisfy my functional: dy/dt = 0.001414/(1/(4.5727* 10 ^ 4* k1* (1-0.02119* y) ^ k2)+1/k3/45727) (It should be noted that the equation parameters can be further consolidated in this post are not treated as a merger) is known t = y = fitting parameters k1, k2, k3.)

谱估计的music算法，比较典型的谱估计方法，研究了半天才写出来的哦(The music spectrum estimation algorithm, a typical spectral estimation method to study for a long time to write it out, oh)

the code for compute Implied volatility

电力系统潮流IEEE算例大全，有详细说明文档(Power flow IEEE examples Daquan, detailed documentation )

hidden markov chain model

这是一个关于潮流计算的Matlab小程序，可以帮助初学者熟悉电力系统方面相关程序编写(This is a small program on Matlab flow calculation, can help beginners familiar with aspects of the power system-related programming)