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A201001-2186
- 频谱分析仪是信号处理研究领域必不可少的工具。现有的基于快速傅利叶变换的频 谱分析仪能对线性的平稳的信号进行有效分析，但难以分析出非线性非平稳信号的瞬时频率 能量变化情况。针对此问题，本文设计了基于希尔伯特黄变换的频谱分析仪，能够对非平稳 信号进行有效分析。所设计系统以DE2-FPGA开发板为硬件平台，结合了NiosII的软核处 理器加以实现，可对采集的外部信号进行希尔伯特黄变换，得到信号的时间-频率-能量三维 谱，并可在VGA上实时显示出来。系统测试结果表明，所设计频谱分析仪
senjou-V6.7
- Based on piecewise nonlinear weight value Pso algorithm, Matlab wavelet analysis on complex, Realization of 10 digital audio recognition progra.
vctqf
- Course designed to prepare the matlab program code, MIT Artificial Intelligence Laboratory identification of the target source, Nonlinear discrete system identification.
3457
- GSM is GMSK modulation signal generation, Based on piecewise nonlinear weight value Pso algorithm, Using MATLAB compressed sensing.
punsuitang
- Multivariate least squares fitting method of nonlinear equations, Signal Processing ESPRIT method, Course designed to prepare the matlab program code.