modbus

说明：  通过几个图文示例，详细说明了如何在matlab上通过虚拟串口发送和接受数据(Through a few graphic examples, detailed description of how to send and receive data through virtual serial port on matlab)

一种频率估计方法，短时傅里叶变换，很基础，适合初学者。(A frequency estimation method, short-time Fourier transform，it is based, suitable for beginners. )

说明：  针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)

加拿大人发表的关于周跳探测,实现了实时的双频周跳探测和修复(cycle-slipsfromCanada)

说明：  无源被动雷达对目标进行定位之生成雷达信号,产生信号(Passive Radar Detection using Range-Doppler Transformations generate signal)

PEGSIS协议仿真 包含很多东西 通讯协议仿真 可用于对比 MATKLAB(PEGASIS Protocol Simulation)

说明：  OFDM系统仿真 ----比较OFDM系统的IDFT/DFT实现与模拟调制实现仿真代码，其中假设OFDM系统包含8个子载波，fc=1 Hz，子载波频率间隔为1 Hz，每个子载波采用4-QAM调制，符号周期为1秒(OFDM IDFT/DFT 4-QAM FFT/IFFT)

压缩感知的方法进行DOA估计。关键字：压缩感知，DOA(DOA estimation by CS)

用于实现单目标跟踪的仿真。采用单传感器单目标的方式，介绍了基本的数据关联方法。(Used to achieve single-target tracking simulation. Single-sensor single-objective way to introduce the basic method of data association.)

bluetooth é o que há, manda ve no perl.