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Comment: The topic is notable, but you have to put inline sources in, not just a list at the end. Every statement has to be verifiable by a source which is clearly evident to readers who know nothing.I also think you are limiting yourself too much to signal processing, it matters for anything that includes Fourier transforms such as diffraction and more.
Ldm1954 (
talk) 12:44, 23 June 2024 (UTC)
summary and formulas for linear convolution of continuous time signals and discrete time signals
Linear convolution is a fundamental operation in signal processing and mathematics, essential for understanding the behavior of linear systems and processing signals in various applications such as communication systems, image processing, and audio processing. It involves combining two signals to produce a third signal that represents the mathematical convolution of the original signals.
Definition and Operation
Linear convolution is defined as the integral of the product of two functions, where one of the functions is reflected and shifted across the other function. Mathematically, the linear convolution y(t) of two signals x(t) and h(t) is given by:
In discrete-time signal processing, linear convolution is represented as the sum of the product of discrete samples of two signals. For discrete signals xn] and hn], the linear convolution yn] is calculated as:
Applications
Linear convolution finds applications in various fields:
Digital Signal Processing (DSP): In DSP, linear convolution is used for filtering, system modeling, and signal analysis. For example, it is used in Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filters.
Communication Systems: In communication systems, linear convolution is used for channel modeling, equalization, and modulation/demodulation processes.
Image Processing: In image processing, linear convolution is utilized for tasks such as blurring, edge detection, and image enhancement.
Audio Processing: In audio processing, linear convolution is employed for effects processing, such as reverberation and echo generation.
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^Proakis, John G.; Manolakis, Dimitris G. (2011). Digital signal processing (4th ed.). New Delhi, India: Prentice Hall.
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^Gonzalez, Rafael C.; Woods, Richard E. (2018). Digital image processing (Fourth edition, india ed.). Uttar Pradesh: Pearson India.
ISBN978-93-5306-298-9.
^Rabiner, Lawrence R.; Gold, Bernard (1975). Theory and application of digital signal processing. Englewood Cliffs, N.J: Prentice-Hall.
ISBN978-0-13-914101-0.