RAR

LDPC码的matlab仿真程序，希望对大家有用，不客气，(LDPC codes matlab simulation program, in the hope that useful, at worst,)

matlab仿真程序，有关正交频分复用（ofdm）的相关仿真(matlab simulation program, the orthogonal frequency division multiplexing (ofdm) related to simulation)

frequency hop spread spectrum technology for secure data tranfer

计算矩阵各点之间的距离，并选取合适的点，适用于大型矩阵的计算(Calculate the distance between the points of the matrix)

本例程功能是实现SPWM单极性调制。本例程搭建了完整的模型，能够对单极性SPWM进行研究。(The routine SPWM unipolar modulation. The routines to build a complete model, Unipolar SPWM research.)

Dataset for Text Detection and Extraction

PCA用于故障检测与诊断，真的很有用，有效地检测故障(PCA for fault detection and diagnosis, really useful, effective fault detection)

对于周期图的功率谱估计,当数据长度N太大时,谱曲线起伏加剧, 若N太小,谱的分辨率又不好,因此需要改进。两种改进的估计法是 平均周期图法和平滑平均周期图法。Bartlett法:Bartlett平均周期图 的方法是将N点的有限长序列x(n)分段求周期图再平均。(For the power spectrum estimation of the periodogram, when the data length N is too large, the spectral curve fluctuation intensifies,   If N is too small, the spectral resolution is not good, so need to be improved. The two improved estimates are   Average Period Graph and Smooth Mean Period Graph. Bartlett method: Bartlett average cycle chart   Is to re-average the finite-length sequence x (n) of N points by periodogram.)

OFDM Channel schemes

层次分析法编码，其中有原始例子的数据，可以只改数据就能用了(AHP coding, including original examples of the data, you can only change data can be used)