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Matlab
- 选择三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三个不同的数字滤波器，将三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三个数字滤波器，分离出原来的三路信号，分析得到的三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。-Choice of three different signal-band spectral analysis carried out, according to the characteristics of the
vhdl
- 信号与线性系统的时频域分析：观测已知方波信号、正弦波信号的频谱；观测实时模拟信号的频谱；加深理解时域周期信号的各频率分量在振幅频谱图上所占的比重；观测相位在波形合成中的作用；LTI系统的频域分析，LTI系统对周期性输入信号的响应。-Signals and linear systems with time-frequency domain analysis: observation known square wave signal, sine wave signal spectrum obser
timefrequencyanalyst
- 此程序为时频分析工具箱，在MATLAB中添加此工具箱可对信号进行时频分析，无需再自己编写程序-This program is too frequency analysis toolbox, add to this toolbox in MATLAB can signal time-frequency analysis, no longer need to write your own program
shipinfenxi
- 时频分析方法提供了时间域与频率域的联合分布信息，清楚地描述了信号频率随时间变化的关系。-Time-frequency analysis method provides a time-domain and frequency domain, the joint distribution of information that clearly describes the signal frequency versus time relationships.
matlab2
- 基于matlab的风机信号处理，包括时域频域各种分析方法-Fan-based signal processing matlab, including a variety of analytical methods and frequency domain
HHT
- 时频分析的希尔伯特-黄变换方法适用于非线性非平稳的信号分析。-Time-frequency analysis of Hilbert- Huang Transform method is applicable to non-linear non-stationary signal analysis.
WignerVille
- 时频分析的Wigner-Ville分布方法是非平稳信号分析的有力工具，交叉项的存在在一定程度上影响其使用。-Powerful tool Wigner-Ville distribution method for time-frequency analysis of non-stationary signal analysis, the existence of cross terms to some extent affect its use.