sensorgroup

this is a code in matlab for character recognition depending on correlation

code test LAB Embeded system

说明：  通过matlab实现对二值图像的轮廓跟踪(Realized through the matlab binary image contour tracing)

matlab图像处理实例详解chap14——基于simulink的视频和图像处理(matlab image processing examples explain chap14- simulink-based video and image processing)

matlab 自带svm的测试, 用设置的数据简单测试svmtrain函数和svmclassify函数，并用图明确表示，自测结果正确，适合初学者(Matlab is equipped with SVM test, and the svmtrain function and svmclassify function are simply tested with the set data, and the figure clearly indicates that the self-test result is correct and suitable for beginners)

基于MATLAB的快速傅立叶分析程序设计(MATLAB)

本仿真做了脉冲压缩雷达的处理过程，包括加窗处理和匹配处理，改仿真代码很精致，希望能够帮助大家；(The simulation pulse compression radar processing, including windowing processing and matching processing)

假设截获了一段短波数字通信的信号，要求解调出最终的信息，每组解调出来后，将10组信息组合起来，恢复最终的信源输出数据。 先验信息：两组数据文件，编号为1、2，每组I、Q两路存放，格式为“int16”，采样率为9600Sa/s，其中第一组为单径情况，第二组为多径情况。 参数符合MIL-STD-188-110A标准； 同步序列为syn=seq.dat，BPSK调制； 接收机频率稳定度高于1e-6。 文件中有效信息总长度为333.75s，其中同步头长为5/12s，每时隙1/6s，训练序列占10 ，在数据之前； 交织方式为全交织，矩阵交织，列为1000，在比特级进行； 纠错码码率为1/2； 调制方式为BPSK、QPSK和8PSK中的一种，映射方式为二进制，BPSK相位偏移为0，其余两种为 。 (Suppose intercepted signal for a period of short-wave digital communications requires final demodulated information after each demodulated, combining 10 group information, to restore the final output data source. Priori information: two sets of data file, numbered 1, 2, each I, Q two-way storage, the format is int16 , sampling rate 9600Sa/s, where the first group is a single path, the second group multipath situation. Parameters meet MIL-STD-188-110A standard Synchronization sequence syn = seq.dat, BPSK modulation The frequency stability of the receiver is higher than 1e-6. File payload total length of 333.75s, wherein the synchronization header length is 5/12s, each time slot 1/6s, accounting for 10 of the training sequence, before the data Interleaving for the whole interleaving matrix interleaving, as 1000, carried out at the bit level Error correction code rate of 1/2 The modulation scheme is BPSK, QPSK and 8PSK one, a binary mapping, the BPSK phase offset is 0, the )

说明：  lpi信号的生成，如lfm，多相编码，步进频信号，时频分析测试成像，(LPI signal generation, such as LFM, polyphase coding, step frequency signal, time-frequency analysis, test imaging,)

压缩感知的典型程序仿真，稀疏基为小波基，重构算法为OMP算法。(Perception of typical compression process simulation, sparse basis for the wavelet, reconstruction algorithm for the OMP algorithm.)