IR-UWB系统的matlab代码

等间距线性阵列，阵元数M=8，阵元间距d= λ /2，等幅加权，目标方位φr =0°。产生空间白噪声矢量（复高斯分布）。 设阵列信号矢量元素s(m)=exp[j mψr]，其信号幅度为1，该阵元接收机附加的高斯噪声为n(m)=nmr+jnmi，其中实虚部均为独立同分布N(0, σ2)的高斯随机数，则该通道合成信号x(m)=s(m) + n(m)，其中信噪比为： SNR = 10 lg[1/(2σ2)] = – 3 – 10 lg(σ2) (dB) (The spacing of the linear array, and the array element number M = 8, the array element spacing d = λ/2, equal amplitude weighted target azimuth φR = 0. Space generated white noise vector (complex Gaussian distribution). Let array signal vector elements s (m) = exp [j mψr], the signal amplitude, the element receiver additional Gaussian noise n (m) = nmr+jnmi which the real and imaginary parts are independent and identically distributed N ( Gaussian random numbers of 0, σ2), the channel the synthesis signal x (m) = s (m) the PPLS n (m), where SNR is: SNR = 10 lg [1/(2σ2)] =- 3- 10 lg (σ2) (dB))

该程序属于行业小软件，用于读取二维地震剖面图的segy格式，将其转换成matlab适用的矩形。(The program is part of a small business software for reading 2D seismic profiles of segy format, convert it into matlab applicable rectangle.)

挺好的线形FFT生成源码。。。大家多给意见(Very good source to generate the linear FFT. . . U.S. to give their views)

说明：  matlab 遗传算法，遗传算法简介，遗传算法原理，遗传算法代码，案例分析(Matlab genetic algorithm, brief introduction of genetic algorithm, principle of genetic algorithm, code of genetic algorithm, case analysis)

离散对称信道的信道容量的计算是香农信息论一个很重要的方面(Discrete symmetric channel is the channel capacity is calculated by the Shannon information theory is a very important aspect)

用MATLAB编写的遗传算法路径规划，可以动态调节运行环境的参数，小波包分析提取振动信号中的特征频率。( Genetic algorithms using MATLAB path planning, Can dynamically adjust the parameters of the operating environment, Wavelet packet analysis to extract vibration signal characteristic frequency.)

当信噪比低，小信号输入时噪音严重，在整个音域的声音明显变得浑浊不清，不知发的是什么音，严重影响音质。信噪比的大小是用有用信号功率（或电压）和噪声功率（或电压）比值的对数来表示的。(When the signal to noise ratio is low, serious small signal input noise, the sound of the entire range becomes significantly turbid, I do not know what made the sound, seriously affecting the sound quality. Size is the number of the signal to noise ratio by the ratio of desired signal power (or voltage) and the noise power (or voltage) represented.)

NRAA算法，用于在下行分布式天线系统中进行能量效率和频谱效率的权衡(NRAA algorithm for spectral efficiency and the energy efficiency trade-offs in a distributed antenna system in the downlink)

说明：  超高频RFID读写器研究与设计 本课题以超高频RFID读写器硬件实现为主要本文设计RFID读写器硬件基带和射频部分的参数都可以满足要求，读写器可 以正常读、写符合15015000一6C或者 EpCglobalClasslGenZ协议的电子标签， 其上传速率可以达到640kbPs，配合上层的软件设计可以实现读写器考勤功能，经 过测试验证本系统可以长时间地稳定工作。 (UHF RFID reader research and design of this issue using the UHF RFID reader hardware designed in this paper as the main RFID reader hardware, baseband and RF part of the parameters are to meet the requirements of a normal reader can read, 15.015 million was in line with the agreement of a 6C or EpCglobalClasslGenZ electronic tags, its upload speeds can reach 640kbPs, with the top of the software design can be achieved reader attendance functionality, the system can be tested and verified for a long time stable jobs.)

用matlab的四阶矩方法进行可靠度解析科学计算(Matlab fourth moment method for reliability resolve scientific computing)