neural_direct

AR自适应滤波器，用Kalman滤波器跟踪AR模型的吸收变化(adaptive AR model，use kalman filter to trace the variance of ar coeffience)

图分割算法中的优化算法中的谱算法中的平均分割算法A-cut（average-cut ）(Figure segmentation algorithm in the optimization algorithm in the spectral segmentation algorithm, the average A-cut (average-cut))

说明：  澳大利亚国防大学的Geoff Mercer博士关于matlab求解微分方程的讲义。重点讲解了初始化、场分析和边界值问题。书中有一些实例，可以结合学习。(Australian National Defense Force Academy, Dr Geoff Mercer notes on matlab to solve differential equations. Highlighting initialization, field analysis and boundary value problems. Some examples of the book, you can combine learning.)

matlab 十进制与二进制的转换 包括二进制转换为十进制；也包括十进制转换为二进制(decimal to binary binary to decimal)

协作通信的方阵代码，适用于认知无线电协作频谱检测等(Phalanx code cooperative communications for cooperative spectrum sensing cognitive radio , etc. )

bpsk modulation over awgn using viterbi decoder

说明：  语音系统的MATLAB仿真，实现断点见的K系数，语音能量与过零率的对比。(MATLAB simulation of voice systems, the realization of a breakpoint, see the K coefficient, voice, energy and zero-crossing rate of the contrast.)

QPSk的仿真程序，包括AWGN信道和瑞利信道波形以及星座图(QPSk simulation procedures, including the AWGN channel and Rayleigh channel waveforms as well as the constellation diagram)

关于Kalman滤波的matlab程序，可以下载学习下，共同交流(On the Kalman filter matlab program)

用来求解某一函数的梯度，维数可以很大，上万维也可以(Used to solve the gradient of a function, the dimension can be large, on the World Wide Web can also be)