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frequency
- KEY FEATURES Resolution of 230,000 Counts (Peak-to-Peak) Offset Drift: 5 nV/8C Gain Drift: 2 ppm/8C Line Frequency Rejection: >150 dB Buffered Differential Inputs Specified for Drift Over Time Operates with Reference Voltages of 1
EMD_matlab
- 信号源的emd分解，得到imf分量，以及imf分量的时频图。-The signal source EMD decomposition, the IMF component, as well as the imf component time-frequency diagram.
frequency-division-multiplexing
- 选择五个不同频段的信号对其进行频谱分析，根据信号的频谱特征设计五个不同的数字滤波器，将五路信号合成一路信号，分析合成信号的时域和频域特点，然后将合成信号分别通过设计好的五个数字滤波器，分离出原来的五路信号，分析得到的五路信号的时域波形和频谱，与原始信号进行比较，说明频分复用的特点。-To select one of five different band signal spectrum analysis and design of five different digital filter ba
xiaoboxishu1
- 实现小波分析 计算小波系数 能画出二维小波时频图-Wavelet analysis of wavelet coefficients to calculate to draw two-dimensional wavelet time-frequency diagrams..
Time-domain-analysis-system
- 本系统可做自动控制原理中的时域分析仿真实验，系统特性如下： 1：可选择仿真系统为一阶、二阶、任意阶 2：可选择信号源为正弦波、三角波、锯齿波、方波（可模拟阶跃信号），并可调节信号源频率、幅值、相位、偏移、方波占空比 3：可选择信号采样率及采样数 4：自动计算传递函数 5：自动计算时域响应参数（增益系数、上升时间、峰值、峰值时间、稳定时间、超调量） 6：波形图同时显示原始信号和响应信号 注：使用本系统需安装labview控制设计与仿真库-The system can d
tfrwv
- 能够实现信号的魏格纳分布变换，对信号进行时频分析-Signal Wigner transform, time-frequency analysis of the signal
tfrstft
- 计算信号的短时傅里叶变换，对信号进行时频分析-Calculate signal short-time Fourier transform, the signal time-frequency analysis
package_emd
- 经验模态分解emd，HIlbert变换工具箱，用以处理非线性非平稳信号，时频分析。-Empirical mode decomposition emd Hilbert transform toolbox for nonlinear and non-stationary signals, time-frequency analysis.
Time_Freq_Analysis
- 基于shell编程的地震数据时频分析程序，能够在unix系统下实现对数据的时频分析-Seismic data based on shell programming time-frequency analysis program that can be achieved in unix systems time-frequency analysis of the data
time-and-frequency-characteristics
- 语音信号的时域和频域特性，包括录制、计算短时能量、短时过零率、短时傅里叶变换、加矩形窗等步骤-Speech signal in time domain and frequency domain characteristics, including recording, computing time energy, short-time zero-crossing rate, short-time Fourier transform, rectangular windows and other s
62
- 对重分配小波尺度谱存在着时、频分辨率不能同时达到最佳及当振动信号中存在着能量较大的噪声时会降低其时频分布可读性的缺陷，提出一种基于参数优化和奇异值分解(SVD)提高重分配尺度谱时频分布可读性的方法。首先利用Shan— non熵方法优化重分配尺度谱基函数的时间．带宽积(TBP)，克服其时、频分辨率不能同时达到最佳的缺陷，再对重分配尺度谱 进行SVD降噪降低噪声干扰影响，提高时频分布的可读性。最后用该方法对仿真信号和滚动轴承故障信号进行了分析，结果表明该方法的时频聚集性更好，抗噪能力更强，能
Vibration-confidence-time-domain-
- 工程中，振动信号有在时域与频域两种分析方法，该文件是其在时域中的分析处理方法-Project, the vibration signals in the time domain and frequency domain two analysis methods, the document shall be processed in the time domain analysis method
tfrpwv
- 时频分析中的cohen类中最基本的双线性时频分布式wigner-ville分布，由于在该分布中不含窗函数，因此避免了短时窗傅里叶变换时间分辨率、频率分辨率相互牵制的矛盾-Time-frequency analysis of the Cohen class of bilinear time-frequency distribution is the most basic Wigner-Ville distribution, because the function in the distribut
sk_tfa
- matlab编写的时频分析软件，算法较全-matlab prepared time-frequency analysis software, algorithms than the whole
HHTaWT
- HHT变换对爆破信号的处理，可用于信号滤波，时频分析，简单易懂-HHT transform blasting signal processing, can be used for signal filtering, time-frequency analysis, easy to understand
MATLAB-CODE
- 最完整matlab时频分析的程序和例子,与《Matlab时频分析技术及其应用》一书配套-The most complete program and examples for matlab time-frequency analysis with the book of matlab time-frequency analysis and application
shipinshang
- 经典的基于Hilbert_huang变换的时频熵计算程序和相关文献-Based on the classic Hilbert_huang transform time-frequency entropy calculation procedures and related documents
tftb-0.2
- 基于EMD的HHT分析过程中用到的子程序hhspectrum，需要安装时频工具箱，文件里即为时频工具箱-HHT based on EMD used in the analysis of the subroutine hhspectrum, you need to install the time-frequency toolbox, toolbox file is time-frequency
digital-audio-frequency-c2000
- 本设计采用TMS320F2808 DSP芯片，制作了一台音频频率数字扫频仪，能够测量未知网络音频范围内的幅频特性。该系统具有良好的可扩展性，关键系统参数软件可调，并可通过算法设计实现相频特性的测量，同时小巧灵活，具有实时性强，精度高的特点。用户可以通过PC机上友好的用户界面方便灵活地控制整个系统的工作，查看数据及观察测试曲线。-This design uses TMS320F2808 DSP chip, produced a digital audio frequency sweep gener
YilmazRickard2004
- BLIND SOURCE SEPARATION IN THE TIME FREQUENCY DOMAIN TECHBIQUES FOR SPEECH