STEP_FREQUENCY_System_simulation

基于matlab的图着色程序，算法为贪心算法，将节点按照度从大到小排序，排序后先给度大的着色。(The graph coloring program based on MATLAB algorithm, greedy algorithm, the node according to the degree from large to small order, ranking after the first to a large degree of coloring.)

Program that checks the inventory level excels sheets

multidiel.m - reflection response of isotropic or birefringent multilayer structure( multidiel.m- reflection response of isotropic or birefringent multilayer structure)

overall heat transfer

无线开关的使用，在matlab中显示开关在两种不同状态时的功能。(The use of wireless switch, switch shown in matlab in the state of two different functions.)

虚拟力的无线传感网络覆盖，关于小波的matlab复合分析，迭代自组织数据分析。( Virtual power wireless sensor network coverage, Matlab wavelet analysis on complex, Iterative self-organizing data analysis.)

钟型隶属函数-g参数变化钟型隶属函数-g参数变化(Bell-shaped membership function-g parameter bell-shaped membership function-g parameters)

利用夹角余弦距离进行样本数据分类。实现步骤主要分为以下两部分：a、待测样品X与训练集里每个样品Xi的距离采用夹角余弦距离公式计算。b、循环计算待测样品和训练集中各已知样品之间的距离，找出距离待测样品最近的已知样品，该已知样品的类别就是待测样品的类别。(Using the sample data classification Angle cosine distance.Implementation steps are divided into the following two parts: a, sample under test with each of the samples in the training set X Xi distance using the included Angle cosine distance formula.B, loop calculation under test samples and the distance between the known samples training focus, find out the known closest to the sample under test samples, the samples of known category is the category of the sample under test.)

inertial navigation system3

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)