Decimation and interpolation ppt. It covers topics like downsampling, upsampling, decimation filters, interpolation filters, and aliasing. It begins with an introduction that defines multirate signal processing as using signals with different sampling frequencies. Single vs Multirate Processing. Finite word length effects cause errors from input quantization, coefficient quantization, and truncated product terms. It describes Newton's divided difference interpolation polynomials which use higher order polynomials to fit additional data points. G. H. The document also covers properties like linearity and If decimation by a large factor is required, it’s often better to break it up into stages. UMD ECE Class Sites Changing the Sampling Rate A continuous-time signal can be represented by its samples as We can use bandlimited interpolation to go back to the continuous-time signal from its samples Some applications require us to change the sampling rate Or to obtain a new discrete-time representation of the same continuous-time signal of the form The Dec 28, 2024 ยท Learn about the basics of sampling rate alteration devices: up-samplers, down-samplers, decimation, interpolation, and sampling rate conversion by rational factors in digital signal processing. The document discusses multirate signal processing, focusing on decimation and interpolation techniques. zh1ovw t5f 0ks fu ynt6e o9k jp6ust aun dufss nyeb