test

带有原二进制信号与BPSK调制后的信号图对比的BPSK仿真程序(With the original binary signal and BPSK modulation signal comparison of BPSK simulation program)

混沌粒子群优化（CPSO, Chaos Particle Swarm Optimization）算法融合了PSO算法的快收敛和CO算法的遍历随机等特点，在PSO算法每一代挑选出的最优解附近的区域里，用混沌算法进一步搜索，防止其陷入局部最优值，从而改进了PSO算法的不足，成为一种高效的优化算法。(Chaotic Particle Swarm Optimization (CPSO, Chaos Particle Swarm Optimization) algorithm combines the features of the PSO algorithm fast convergence and CO traversal algorithm randomly each generation in the PSO algorithm selected area near the optimal solution, further chaos algorithm search prevent it from falling into local optimal value, thus improving the deficiencies of the PSO algorithm, an efficient optimization algorithm.)

Matlab官方文档：图像处理工具箱image processing toolbox(Matlab official documents : Image Processing Toolbox image processing toolbox)

pattern of a thin wire of lengh L

电动汽车燃料电池simulink仿真模型，用于电动汽车或者混合动力汽车的仿真模型(Simulink simulation model of the electric vehicles fuel cells for electric vehicle or hybrid vehicle simulation model)

matlab算法，卡尔曼滤波，伪距单点定位，精度1-2m，精密星历可采用全天数据，处理速度很快(matlab algorithm, Kalman filtering, pseudorange single point positioning accuracy of 1-2m, precise ephemeris data can be used throughout the day, the process is fast)

该函数提供了一个ARMA谱估计，最大熵满足相关约束（极点数）和倒谱。 该函数需要3个输入：输入信号、分母阶数、分母阶数和输出变量分别为：分子系数、分母系数和输入噪声功率的平方根。(The function requires 3 inputs: Input signal, Order of denonominator, Order of Numerator and the output variable are: numerator coeffients, denominator coeficients and square-root of input noise power.)

本手册描述了 FLYFOT 模块的硬件接口特性、应用开发参考设计。 通过阅读本手册，用户可以开发自己的应用系统。本手册适用于 M160 模块的以下软硬件版本: 硬件：P1,软件：M160.(This document is the sole and exclusive property of FLYFOT. Not to be distributed or divulged without prior written agreement.)

这是对OFDM系统的一个仿真程序，平台是 MATLAB，对这样一个正交频分复用系统的理解很有好处。(This is an OFDM system, a simulation program, the platform is MATLAB, to such a orthogonal frequency division multiplexing system is very good.)

使用低通滤波器从含有噪声的信号中提取有用的正弦波 (见实验指导书 实验九 数字滤波器中的第一题) 目的：用数字滤波器从含有高频噪声的采样数据中提取正弦信号。 要求：①输入信号为一正弦波，并加入一个白噪声的干扰来模拟信号传输中的随机干扰信号（用以模拟含有噪声采样序列）。 （模拟含有噪声采样序列具体可用正弦波信号叠加高频噪声来实现，为了使滤波效果明显，本实验的高频噪声是用高频均匀分布白噪声（Uniform）通过Butterworth高通滤波器过滤生成的，高通滤波器的截止频率设为10倍输入信号频率。） ②在程序中设计一个低通巴特沃斯滤波器，以滤除信号中的噪声分量，提取输入的正弦波信号 。 ③可调节信号滤波器的截止频率和阶数，可显示滤波前与滤波后的时域信号。 ④给出滤波前与滤波后的频谱特性的显示。 (Using low pass filter extracting useful sine wave signal containing noise(see experiment instruction digital filter in the first nine questions)Objective: to use digital filter sampling data extract containing high frequency noise sine signal.Requirements: (1) the input signal is a sine wave, and add a white noise interference to simulate the random disturbance signal of the signal transmission (to simulate contains noise sampling sequence).(simulated the sampling sequence contains noise available sine wave signal superposition of high frequency noise, in order to make the filtering effect is obvious, the experiment of high frequency noise is Uniform distribution with high frequency white noise (Uniform) by Butterworth high-pass filter to filter generated, high-pass filter cutoff frequency set to 10 times the size of the input signal frequency.)(2) in the program design a low-pass butterworth filter, in order to filter out the noise in the signal component, extract the input sine wav)