4/4/2023 0 Comments Signal processing![]() Cambridge, UK: Cambridge University Press. Applied Digital Signal Processing: Theory and Practice. New York & UK: Cambridge University Press. Digital Signal Processing: System Analysis and Design (2 ed.). Chichester, West Suffix, United Kingdom: John Wiley & Sons. Advanced Digital Signal Processing and Noise Reduction (4 ed.). Upper Saddle River, NJ: Prentice Hall PTR. Multirate Signal Processing for Communication Systems. Digital Signal Processing: A Practical Guide for Engineers and Scientists. A floating point representation is used in many DSP applications. It can be shown that an analog signal can be reconstructed after conversion to digital (down to the precision afforded by the quantization used), provided that the signal has negligible power in frequencies above the Nyquist limit and does not saturate the quantizer.Ĭommon practical digital signals are represented as 8-bit (256 levels), 16-bit (65,536 levels), 24-bit (16.8 million levels), and 32-bit (4.3 billion levels) using pulse-code modulation where the number of quantization levels is not necessarily limited to powers of two. quantization, which replaces each sample value with an approximation selected from a given discrete set (for example, by truncating or rounding).sampling, which produces a continuous-valued discrete-time signal, and. ![]() The conversion process can be thought of as occurring in two steps: The process of analog-to-digital conversion produces a digital signal. (The effects of quantization are too subtle to be seen in this graph.) Discrete cosine waveform with a frequency of 50 Hz and a sampling rate of 1000 samples/sec, efficiently satisfying the sampling theorem for the reconstruction of the original cosine function from samples. ![]()
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