voicerecog

this code in used in neural network mlp with back propagation training algorithm and geradian descends algorithm for optimization.in some of this codes I used full propagation algorithm or mlp one layer or two layer with different activation function.this code can be use for prediction or control system by useing neural networks.

机器学习经典决策树算法的实现 输入训练标签输出预测结果(the classificial machine learning algorithm, input label and traning set and get predictions)

quantize the watermarked audio signal to test the robustness input : vector representing the watermarked audio file output : vector representing the watermarked audio file corrupted by a quantization process

m-k突变检验及趋势检验，可以很好的解释气候等变化的显著性趋势和突变点(Mk mutation test and trend test, can well explain the climate change trend and the significance of mutations)

qpsk调制在瑞利信道中的性能仿真，以及各个阶段信号的星座图仿真(qpsk modulation performance in Rayleigh channel simulation, as well as the various stages of signal constellation simulation)

matlab编写的GPS信号处理程序，软件接收机程序(matlab prepared GPS signal handler, software receiver program)

蔡氏电路MATLAB仿真程序，分析，绘图，手动设置参数(Chua' s circuit simulation program MATLAB, analysis, mapping, set the parameters manually)

Voice activity detection using spectrum tilt criterion.

对MFO的exploration和exploitation进行改进，提高算法效率(Improved MFO exploration and exploitation to increase algorithm efficiency)

实现匹配滤波器的matlab仿真，模拟了从信源波形编码、信道传输和接收译码的全过程。(Realize the matched filter matlab simulation, analog waveform from the source coding, channel transmission and reception of the whole process of decoding.)