by Iowegian International
Understanding convolution is central to understanding filtering, the Discrete Fourier Transform, and other important DSP operations. In this tutorial, R. C. Kim explains convolution using a visual, intuitive, step-by-step method, and relates it to filtering and the DFT. conv-dsp-tutorial.pdf
Links to Digital Signal Processing (DSP) pages on Wikipedia, organized by subject DSP Digital Signal Processing Sampling Aliasing Anti-aliasing filter Ideal sampler Nyquist frequency Nyquist rate Nyquist–Shannon sampling theorem Quantization Reconstruction filter Sample and hold Sampling rate Zero-order hold Data … Continued
Digital Signal Processing is a difficult and complex subject. Here, we offer tutorials to clear up some of the mysteries of DSP. Quadrature Signals: Complex, But Not Complicated Convolution: A Visual Digital Signal Processing Tutorial Cascaded Integrator-Comb (CIC) Filter Introduction … Continued
2.1 Basics 2.1.1 What are “decimation” and “downsampling”? Loosely speaking, “decimation” is the process of reducing the sampling rate. In practice, this usually implies lowpass-filtering a signal, then throwing away some of its samples. “Downsampling” is a more specific term … Continued