Take short-time analysis for speech signal, and simulate some wave form in time and Spectrographic .3 、 Process speech signal by fractals.
同时对语音信号进行短时分析,给出短时时域分析的波形图和短时频域分析的语谱图。
参考来源 - 基于超混沌理论的网络实时网络保密通信The simulation results and performance analysis show that short-time analysis algorithm can detect and prevent low-rate DoS in real time.4.
仿真和性能分析证明了短时分析技术可以实现低速率拒绝服务攻击的实时检测和防御。
参考来源 - 分布式网络入侵检测防御关键技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
该方法用短时分析提取数字调制信号在幅度、频率和相位随时间变化的特征，并利用这些特征对各种数字调制信号进行识别。
The approach is to use short-time analysis to extract the characteristics of time-varying amplitude, frequency and phase in a digital modulation signal, and applies them for simple identification.
通过对音频特性的研究，详细分析了音频的物理和生物学特征，在经典的短时分析的基础上，提出了一系列音频特征的提取方法。
According to research of audio, we analyze physics and biology characters and pick up a serial of audio characters on the base of classic short-time analysis.
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