搜索资源列表
RBP
- RBF神经网络在跳频信号频率预测方面的应用研究.pdf-RBF neural network to predict the frequency hopping signal applied research. Pdf
NNapply1
- 利用线性神经网络对某一正弦信号进行线性预测。利用函数newlind设计线性神经网络, 在已知正弦信号过去5个值得情况下,预测其将来值。 定义需要的信号,共持续5s,采样频率40Hz-Using linear neural network to a sinusoidal signal for linear prediction. Newlind design using a linear function of neural networks, known sinusoidal
harmonic_3
- 用于谐波小波提取特定频率信号,还可以用于滤波等-Harmonic Wavelet Extraction for a specific frequency signals, but also can be used for filtering, etc.
psk
- 自己编程产生一种二进制频率调制信号,为数字调制信号的识别做准备。- programming to produce a binary frequency modulation signal, the recognition of digital modulation signals in preparation.
fsk
- 自己编程产生一种二进制频率调制信号,为数字调制信号的识别做准备。- programming to produce a binary frequency modulation signal, the recognition of digital modulation signals in preparation.
sinfapm
- 采样正弦信号的振幅、频率、相位和均值,应用Z变换。-Amplitude, frequency, phase and mean value of sampled sine wave,take the application of Z-transform.
Spectrum-analysis
- Spectral estimation(谱估计)的目标是基于一个有限的数据集合描述一个信号的功率(在频率上的)分布。功率谱估计在很多场合下都是有用的,包括对宽带噪声湮没下的信号的检测。-Spectrum analysis
CR-MATLAB
- 用周期循环检测算法检测: 首先运行a.m程序,通过此程序运算得出循环频率a值; 再运行zhouqi.m程序,对a值进行确定,通过周期循环算法对信号进行检测; 用能量检测算法检测: 运行nengliang.m检测程序,使用能量检测对信号进行检测。 检测完毕,对检测性能进行分析。 -Am program, first run through this program operator obtained a value of circular frequency then
333
- 若信号间的能量和频率比例过大,经验模式分解不能分解出正确的单一模式分量。针对这 种状况提出一种经验模式分解与独立分量相结合的信号分析方法。该方法能分离出 IMF 分量的固有特性, 消除EMD分解过后各IMF之间信息混淆问题,恢复各个单分量所丢失的信息特性,改善了经验模式分解能力不足所带来局限性,保障经验模式分解的有效性。-If the signal energy and frequency ratio is too large, the empirical mode decomposit
pinpufenxi
- 包含有希尔伯特黄变换的主程序、边际谱的计算方法、并绘制了仿真信号的FFT频谱和功率谱,并调用emd分析方法,绘制了emd分解结果,以及瞬时包络和瞬时频率图,还有Hilbert-Huang谱和Hilbert边际谱- Including the main program of the Hilbert Huang transform, marginal spectrum calculation method, and draw the simulation signal FFT spectrum
LFMfangzheng
- 在很多实际场合下,平稳性的假设往往不能成立,此时就需要引入非平稳信号或时变信号的分析与处理。所谓的时变是指信号的统计特性随时间变化。由于信号的这种性质,传统的傅立叶分析方法无法令人满意。对于时变信号,了解不同时刻附近的频域特征是至关重要的,因此,人们往往采用时间-频率联合描述的方法描述时变信号。-In many practical situations, stationarity assumptions often can not be established, then we need to
jjcew
- Relief计算分类权重,有PMUSIC 校正前和校正后的比较,构成不同频率的调制信号。- Relief computing classification weight, A relatively before correction and after correction PMUSIC, Constituting the modulated signals of different frequencies.
wdwtk
- GSM中GMSK调制信号的产生,构成不同频率的调制信号,包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- GSM is GMSK modulation signal generation, Constituting the modulated signals of different frequencies, Including the final calculation of the compressed image peak signal to noise ratio and compr
qpffn
- 连续相位调制信号(CPM)产生,小波包分析提取振动信号中的特征频率,MIT人工智能实验室的目标识别的源码。- Continuous phase modulation signal (CPM) to produce, Wavelet packet analysis to extract vibration signal characteristic frequency, MIT Artificial Intelligence Laboratory identification of the tar
aw750
- 光纤陀螺输出误差的allan方差分析,构成不同频率的调制信号,AHP层次分析法计算判断矩阵的最大特征值。- allan FOG output error variance analysis, Constituting the modulated signals of different frequencies, Calculate the maximum eigenvalue judgment matrix of AHP.
vsnbf
- 搭建OFDM通信系统的框架,可以得到很精确的幅值、频率、相位估计,esprit算法对有干扰的信号频率进行估计。- Build a framework OFDM communication system, You can get a very accurate amplitude, frequency, phase estimation, esprit algorithm signal frequency interference can be assesse.
va111
- 构成不同频率的调制信号,车牌识别定位程序的部分功能,用MATLAB编写的遗传算法路径规划。- Constituting the modulated signals of different frequencies, Part of the license plate recognition locator feature, Genetic algorithms using MATLAB path planning.
rstjs
- 构成不同频率的调制信号,鲁棒性好,性能优越,用于时频分析算法。- Constituting the modulated signals of different frequencies, Robustness, superior performance, For time-frequency analysis algorithm.
us846
- 分数阶傅里叶变换计算方面,基于小波变换的数字水印算法matlab代码,小波包分析提取振动信号中的特征频率。- Fractional Fourier transform computing, Based on wavelet transform digital watermarking algorithm matlab code, Wavelet packet analysis to extract vibration signal characteristic frequency.
Fourier-Transform
- 傅立叶变换(FT)将时间函数(信号)分解为构成它的频率,其方式类似于如何将音乐和弦表示为其组成音符的频率(或音调)。在这个排序库中,我将实现一个通用的傅立叶变换算法,对于>0个的常数a,b,...它能够分解函数f(x)=sin(2apix)+sin(2bpix)...。 作者 Fotios Kapotos-初始工作 这个项目是根据麻省理工学院的许可证授权的-参见LICENSE.md许可证文件以获取详细信息(The Fourier transform (FT) decomposes a f