Signal Processing Toolbox 提供了用于模拟和数字信号处理的行业标准算法，包括信号模型、波形生成、统计处理、滤波设计、线性预测等。工具箱支持多种波形生成，如正弦、方波、锯齿波和高斯脉冲，并提供了FFT、DFT、STFT等信号变换功能。此外，还包括统计分析、滤波器设计、频谱分析和交互式信号处理工具，如SPTool，用于导入、可视化和分析信号。
Signal Processing Toolbox™ provides industry-standard algorithms for analog and digital signal processing (DSP).
Key Features
▪ Signal and linear system models
▪ Waveform and pulse generation functions, including sine, square, sawtooth, and Gaussian pulse
▪ Statistical signal processing and data windowing functions
▪ Power spectral density estimation algorithms, including periodogram, Welch, and Yule-Walker
▪ Digital FIR and IIR filter design, analysis, and implementation methods
▪ Analog filter design methods, including Butterworth, Chebyshev, and Bessel
▪ Signal transforms, including fast Fourier transform (FFT), discrete Fourier transform (DFT), and short-time
Fourier transform (STFT)
▪ Linear prediction and parametric time-series modeling
Generating, Visualizing, and Analyzing Signals
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