Signals-Systems-and-Transforms-4E-by-charles-l

分数延时的matlab代码，老外写的，很不错(Score latency matlab code written by a foreigner, it is good)

making jacobian matrix power system

波达方向（Direction Of Arrival）估计，又称为谱估计（spectral estimation）、波达角（Angle Of Arrival）估计。一个信源有很多可能的传播路径和到达角。如果几个发射机同时工作，每个信源在接收机处形成潜在的多径分量。因此，接收天线能估计出这些到达角就显得很重要，目的是破译出哪个发射机在工作以及发射机所处的可能位置。通过测量辐射信号的波达方向（DOA全称Direction Of Arrival）或波达角（AOA）来估测辐射源的位置。理论上这种估计只需要两个接收阵元就可以确定辐射源的位置，但在实际中，由于受到角度分辨率、多径和噪声限制，所需阵元通常要多于两个。DOA定位技术原理是利用接收机处的阵列天线和波达方向（DOA）估计技术来确定一个从接收机到信源的波达方向线，即为方向线（LOB），最后利用多个接收机估计的DOA进行三角测量，方向线的交点就是信源的估计位置。(DOA (Direction Of Arrival) estimation , also known as spectral estimation (spectral estimation), angle of arrival (Angle Of Arrival) estimation. There are many possible sources a propagation path and the angle of arrival . If several transmitters simultaneously, a potential source for each multipath component at the receiver. Therefore, the receiving antenna can estimate the angle of arrival becomes very important, which aims to decipher the location of the transmitter at work as well as possible in which the transmitter . By measuring the radiation signal DOA (DOA stands for Direction Of Arrival) or the angle of arrival (AOA) to estimate the location of the radiation source . Theoretically this estimate requires only two receiving array element can determine the position of the radiation source , but in practice , due to the angular resolution , multipath and noise limits , usually required more than two array elements . DOA positioning technology is the use of an array of antennas at)

matlab 画地图，非常实用，有需要的可以下载过去！(very strong！)

高准确度,支持50Hz/60Hz IEC 687/1036 标准的准确度要求,在500:1 的动态范围内误差小于0.1 (High accuracy, supports 50Hz/60Hz IEC 687/1036 standard accuracy requirements, the 500:1 dynamic range of error is less than 0.1 )

通信行业中的扩频通信技术使用广泛，该文档主要介绍有关扩频通信的相关知识。(communication sectors of the use of spread-spectrum communication technology widely, the document introduces the spread spectrum communication related knowledge.)

DC Motor Speed Control With Chopper Based on IGBT-Module

the first code:Approximate Genetic Algorithm second code:Genetic Algorithm (GA) third code:Response Surface Methodology for Design of a PD Controller for Tanker Ship Heading Regulation forth code:optimization problem for genetic algorithms fifth code: Torczons multidirectional search algorithm

说明：  国外关于雷达线性和非线性调频技术的描述包含脉冲压缩结果图(Abroad on the radar, linear and nonlinear FM pulse compression technology, includes a description of the results of Figure)

说明：  vectoriel control of synchronious machines