signal-processing

基本蜂群的另一种实现形式~~~~~~~~~~~~~~~~~~(basic ABC)

是一种双隐层反向传播神经网络，图像的光流法计算的matlab程序,是路径规划的实用方法。( Is a two hidden layer back propagation neural network, Image optical flow calculation matlab program, Is a practical method of path planning.)

参考别人的水平集方法检测图像，供大家交流学习(Others reference level set method for detecting the image, for the exchange of learning)

合成孔径雷达成像算法中的点目标条带成像算法，给需要的人(Synthetic aperture radar imaging algorithm of point target band imaging algorithm, to those who need)

LSB used in watermarking for embedding

以下几个matlab程序对雷达常用的线性调频信号（lfm信号）进行脉冲压缩时的关键问题进行了仿真，其中包括旁瓣抑制影响（加窗与不加窗）、多卜勒频移影响，并对时域脉压与频域脉压结果进行了对比分析，供相关技术人员参考。(The following several matlab programs simulate the key issues when pulse compression is performed on radar commonly used chirp signal (lfm signal), including sidelobe suppression effects (window and windowless), Doppler frequency shift effects, and The time-domain pulse pressure and frequency-domain pulse pressure results were compared and analyzed for reference by the relevant technical personnel.)

说明：  Needleman-Wunsch algorithm Matlab.

永磁同步电机(PMSM)电流转速双闭环PI控制，采用矢量控制（FOC）中的id 0方式，以空间矢量脉宽调制来实现磁链圆跟踪。对负载转矩进行交轴电流前馈以抑制外负载扰动。(Permanent Magnet Synchronous Motor (PMSM) current double closed loop speed PI control, vector control (FOC) of id 0 mode, space vector pulse width modulation to achieve flux circle track. Front axle load torque AC current fed to suppress external load disturbance.)

说明：  协同网络中继选择算法 一种是基于门限的最大信噪比选择；另一种是基于门限的最小误码率选择，我们将选择一条最佳的中继链路和源节点到目的节点的直接传输链路在目的端进行最大比合并(Research on relay selection algorithm in cooperative wireless Networks)

说明：  ecg preprocessing baseline removal, powerline interferance removing