DCT-watermarking

自动图像变换，调整灰度分布，效果非常好，欢迎下载试用 (automatic image transform adjust gray distribution)

GM11灰色预测模型，通过生成数据的gm(1,1)模型所得到的预测值的逆处理结果(Grey Forecasting)

有关可变码长的LDPC编码电路的设计与实现和一些相关的英文资料以及文献(LDPC)

QPSK调制在瑞利衰落信道的误码率性能和多重分集比较，有界面(QPSK modulation in Rayleigh fading channel the BER performance and multi-diversity compared with the interface)

对平方根升余弦滤波器进行归一化处理，使得输出的信号更接近输入信号。(Normalized the square root raised cosine filter )

卷积码的仿真，其误码率实验值与理论值比较，调用函数，可以方便在以后的算法应用。(Simulation of a convolutional code, bit error rate value is compared with the theoretical value experiment, the calling function, the algorithm can be easily applied in the future.)

说明：  该工具包是最新版本的copula工具厢。可实现copula建模，并有copula函数可选择。((The toolkit is the latest version of the pair copula toolkit. The copula modeling of high dimensional data can be realized, and sometimes the copula function can be selected.))

This an E-book about modern signal processing.

2PSK和 2DPSK信号的调制与解调性能比较分析(Comparative analysis of modulation and demodulation performance and 2DPSK signal 2PSK)

采用完全离散法绘制切削加工过程中的颤振稳定性叶瓣图(The full discrete method is used to map the stability of the leaf flap)