搜索资源列表
average
- 在信号频谱分析中，可以通过平均方法消除噪声，而存在多种频谱平均方法。(In the signal spectrum analysis, the noise can be eliminated by averaging, and there are many spectral averaging methods.)
声音解析matlab
- 对非平稳信号进行分段、截取，再做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The non-stationary signals are segmented and intercepted, and then the short-time Fourier transform is used to analyze their frequency spectrum characteristics, and the frequency charact
STFFTtool1
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum charac
STFFTtool2
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征，达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spe
oscilloscope_display_code
- 该C#源代码软件工程是基于STM32数字示波器/信号发生器/信号分析仪的PC端控制软件，具有显示波形数据（峰峰值、最大值、有效值等），显示波形曲线（回显波形、保存波形等），常用信号（三角波、矩形波等）发生、信号分析（FFT分析、频谱分析等）功能(The C # source code software engineering is based on the STM32 digital oscilloscope / signal generator / signal analyzer PC-sid
amplitude_spectra
- 计算地震数据的频谱分布图，用于地震数据处理中的频率滤波和时频分析(calculate the spectral distribution of seismic data, and it can be used for frequency filtering and time-frequency analysis in seismic data processing)
frequency_domain
- 利用快速傅里叶变换实现泄漏声发射信号的频谱分析。(Spectrum analysis of leakage acoustic emission signal using fast Fourier transform.)
fzreo
- 用matlab进行频谱分析，主要利用了傅里叶变换分析(Spectrum analysis using MATLAB, the main use of Fourier transform analysis)
用汉宁窗函数 的频谱分析源代码
- 减少频谱泄漏，通常在采样后对信号加窗。在电机故障诊断领域，需同时考虑频率分辨率和频谱泄漏。应用最广泛的窗函数是汉宁窗。(To reduce the spectrum leakage, a window is usually added to the signal after sampling. In the field of motor fault diagnosis, frequency resolution and spectrum leakage should be considered
11
- 计算多组信号的卷积，并画图，采用傅里叶变换分析信号的幅度谱和角度谱，采用matlab 编写(The convolution of multiple sets of signals was calculated and plotted. The amplitude and angle spectra of the signals were analyzed by Fourier transform. Matlab was used to write the graph.)
ADCFFT
- 用于SAR ADC在matlab中做频谱分析(For SAR ADC spectrum analysis in MATLAB)
时频信号分析
- 实现绘制信号的功率谱，两重自相关，滤波后时域，滤波器，频谱图，信号时域图以及自相关函数图等功能(The functions of drawing signal power spectrum, double correlation, filtering time domain, filter, spectrum, signal time domain and autocorrelation function diagram are realized.)
leidapinpufenxiyi
- 基于visual的mfc工程，建立雷达信号分析仪，通过快速傅里叶变换以及加窗处理，实现雷达信号简单的频谱分析。(Based on visual's MFC project, a radar signal analyzer is set up, and a simple spectrum analysis of radar signal is realized by fast Fourier transform and windowing.)
bin
- 对图像进行频谱分析，已达到不同目的的图像下一步处理。(to confirm fft sdkadjlaskjd l lajsdkjal jlk jlk jlasjd k)
轴承信号分析
- 共振解调的过程如下：首先对采集到的信号进行傅里叶变换，然后利用传感器自身的谐振频率进行分析，对滤波后的信号进行包络，包络以后去除了高频部分，得到包络信号，再对改进的包络信号进一步进行低通滤波，最后对最终得到的信号进行傅立叶变换求其频谱图。共振解调的原理及其过程可以用图2 来进行表述。(The process of resonance demodulation is as follows: First, Fourier transform is performed on the collected
基于博弈论的频谱分配的matlab程序
- 一个简单的博弈论方面的程序。可以有助于大家理解博弈。(A simple game theory procedure.It help you understand the game.)
labview
- 使用labview采集16通道数据，采集10次，保存成tdms格式，并对所有数据进行频谱分析，有效值和峭度等指标的10次趋势分析，可在趋势图中点击光标查看原始波形(Using LabVIEW to collect 16-channel data, collect 10 times, save them in TDMS format, and analyze 10 times trend of all data, such as spectrum analysis, RMS and kurtosi
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
16QAM 64QAM信号产生及分析
- 16QAM信号 64QAM信号的产生和分析，星座图，频谱，功率谱(6QAM signal 64QAM signal generation and analysis, constellation, spectrum, power spectrum)
OFDM信号频谱感10
- 前已提出的频谱感知方法主要包括匹配滤波器检测、 能量检测、 循环平稳特征检测以及多分辨率频谱感知. 这些方法均为单节点感知方法.然而，在阴影和深度衰落情况下， 单个节点的感知结果并不可靠， 因此， 需要对多个节点的感知结果进行融合，以提高检测可靠性， 即协作感知技术. 文献采用“或” 准则对各个 CR 感知结果进行融合. 文献则提出了基于 D-S 证据理论的协作频谱感知算法，虽然该算法的性能比“或” 准则或“与”准则要好， 但需要存储大量历史信息， 算法的计算复杂度也很高. 文献中分析了采用似然