搜索资源列表
matlab
- 生成正弦黑白条纹,可以修改正弦条纹的周期,视场大小等-Generating sinusoidal black-and-white stripes, sinusoidal fringe cycle can be modified, depending on the field size, etc.
matlab-movie
- matlab动画,描述布朗运动,质点有一定周期显示。-matlab animation, describing Brownian motion, particle cycle.
matlab
- 这个程序是matlab实现的对周期图法进行的功率谱估计,经过验证绝对正确-This program is the power spectrum estimation matlab achieve periodogram proven absolutely correct
Matlab
- 图像的频率是表征图像中灰度变化剧烈程度的指标,是灰度在平面空间上的梯度。如:大面积的沙漠在图像中是一片灰度变化缓慢的区域,对应的频率值很低;而对于地表属性变换剧烈的边缘区域在图像中是一片灰度变化剧烈的区域,对应的频率值较高。傅立叶变换在实际中有非常明显的物理意义,设f是一个能量有限的模拟信号,则其傅立叶变换就表示f的谱。从纯粹的数学意义上看,傅立叶变换是将一个函数转换为一系列周期函数来处理的。从物理效果看,傅立叶变换是将图像从空间域转换到频率域
matlab
- 直接法又称周期图法,它是把随机序列x(n)的N个观测数据视为一能量有限的序列,直接计算x(n)的离散傅立叶变换,得X(k),然后再取其幅值的平方,并除以N,作为序列x(n)真实功率谱的估计。 -The direct method is also called cycle diagram method, it is the random sequence x (n) n observation data as a energy limited sequence, direct calculatio
matlab-program-for-ECG
- 编写matlab程序对心电信号作图,找出所有R波发生位置(数据中提供了R波的位置),计算出心动周期,画出心率随时间变化的曲线,体会正常心律和异常心律的差异-Write matlab program for ECG mapping to identify all the R wave position (data provided in the position of the R-wave), calculate the cardiac cycle, draw a heart rate curve
matlab
- 用于通信行业领域,输出一些特定的脉冲波,如连续时间周期三角波、方冲脉波-For the communication industries, certain pulse output, such as continuous-time periodic triangular wave, square red pulse
MATLAB-Simulation
- 功率谱估计及其MATLAB仿真.经典功率谱估计是将数据工作区外的未知数据假设为零,相当于数据加窗。经典功率谱估计方法分为:相关函数法(BT法)、周期图法以及两种改进的周期图估计法即平均周期图法和平滑平均周期图法,其中周期图法应用较多,具有代表性。-The power spectrum estimation and simulation of MATLAB. Classic power spectrum estimation is unknown data in the data outside
matlab ADMF
- ADMF,短时平均幅度差函数法,利用这个方法获得语音的基音周期,实现语音特征提取
matlab
- 光栅周期随机涨落和折射率调制横向分布不均匀对布拉格光栅反射特性 -Grating period random fluctuations and uneven distribution of the refractive index modulation transverse Bragg grating reflection characteristics
matlab
- 分别对正弦波,三角波,方波,一周期内取为整数的64个点(A=4095);写锯齿波和方波的谐波构成(只写了3、4个)。-Of sine wave, triangle wave, square wave, A week off for integer in the period of 64 points (A = 4095) Write a sawtooth wave and square wave of harmonic (only wrote 3, 4).
D-S-matlab
- 融合多个传感器多个周期的数据,最终做出决策 matlab实现DS信息融合-Integration of multiple sensors multiple cycles of data,and make the final decision at last
matlab
- logistic混沌产生过程,产生周期解的过程。-logistic chaos generation process, generating process of periodic solutions.
sr-matlab
- 正弦周期信号的随机共振,不同于以往微弱信号检测中的抑制噪声,随机共振能通过噪声加强信号传输能力- We present the numerical method to solve the bistable SR model based on Runge-Kutta algorithm, and propose a new kind of approach for detecting weak signal, which can effectively detect both period a
matlab
- 关于求矩阵的的特征值和特征向量的程序,定义两个函数,这个函数本来想定义成周期函数-Eigenvalues and eigenvectors of the program on the Matrix, defines two functions, this function had wanted to be defined as a periodic function
matlab-signal
- 设连续时间信号为,,为终点时刻。若采样周期为,求采样后的离散时间信号;又设A/D变换的量化步长为,求量化后的数字信号,并绘出曲线。-matlab signal
Application-of-MATLAB-in-the-signal
- 1、连续时间信号在MATLAB中的表示 2、连续时间信号在MATLAB中的应用 3、连续时间信号的卷积计算 4、连续时间LTI系统的时域分析 5、周期信号的傅里叶级数及频谱分析 6、傅里叶变换及其性质 7、连续时间LTI系统的频率特性分析及频域分析 8、信号抽样及抽样定理 9、拉普拉第五章 连续时间LTI系统的时域分析 斯变换 -A continuous-time signal representation in MATLAB 2, continuous
matlab--filtering
- 用于周期噪声、高斯噪声和椒盐噪声的数字图像处理滤波-For periodic noise, Gaussian noise and salt and pepper noise of the digital image processing filter
Based-matlab-of-chaos
- 基于matlab的混沌周期图的简单研究以及程序验证-Studies based on simple matlab chaotic cycle pattern, and program verification
Based-matlab-of-Recursive-equation
- 基于一类简单递推方程的周期分叉点记忆混沌形成的周期分叉点-Bifurcation memory based on a class of periodic recurrence equation simple cycle bifurcation CHAOS