mapminmax

matlab code is used the many purpose

计算超声射频数据的实用程序，主要对数据进行滤波操作，进行频谱分析。(Utility calculation ultrasound radiofrequency data, data filtering, spectrum analysis.)

用生物免疫算法和遗传算法实现动态信道分配(Biological immune and genetic algorithms for dynamic channel allocation)

雷达多目标机动跟踪 利用imm模型可以获得很好的跟踪效果，其中滤波器用了ukf和ekf. 程序列表 程序说明 CAEKF.m 采用CA模型的EKF滤波 IMMUKF.m 采用交互式多模型的UKF滤波程序 FX1.m IMMUKF.m程序中CV模型系统方程 FX2.m IMMUKF.m程序中CA模型系统方程 FZ.m IMMUKF.m程序中观测方程函数 数据列表 Measure.mat 观测数据 Real.mat 真实数据 (Using multi-mode approach of unsent Kalman filtering process, simulation of moving target tracking)

Direct Sequence Spread Spectrum

设计一个一维wiener滤波器，并以平稳信号加噪为输入，得到该平稳信号的估计信号，并求出最小均方误差。(Design a one-dimensional wiener filter, and to smooth the input signal plus noise to get the estimated signal of the stationary signal, and find the minimum mean square error.)

对阈值隐藏图像的提取。已经经过阈值隐藏算法隐藏的二值图像，通过此算法进行信息提取。(Hidden images on the extraction threshold. Hiding algorithm has been hidden threshold binary image information extracted by this algorithm.)

用了三帧差分法、背景差分法来辨别图片中的运动物体，包含了报告和算法说明(Spent three difference method, background subtraction method to identify pictures of moving objects, including a description of the report and algorithms)

这些程序是关于D2D的相关仿真程序。有助于读者理解D2D相关内容。(These programs are related to the D2D simulation program, to help readers understand the relevant content of D2D)

用matlab的GUI做的一个数字信号处理系统，选择输入信号波形及频率，进行滤波、频域分析等等。(Using matlab to do the GUI of a digital signal processing system, select the input signal waveform and frequency for filtering, frequency domain analysis and so on.)