The nonzero Fourier series coefficients for x(t) are Express x(t) in the form A digital signal is a signal that is constructed from a discrete set of waveforms of a physical quantity so as to represent a sequence of discrete values. The digital signal can be a discrete or continuous-time signal. A continuous signal or a continuous-time signal is a varying quantity (a signal) whose domain, which is often time, is a continuum (e.g., a connected interval of the reals). The set of real values \$\mathbb{R}\$ is quite interesting. Digital signal is an electrical signal that has discrete value at each and every sampling point. That is, the function's domain is an uncountable set. That is, all the digital signals are not discrete-time signals. We shall use square brackets, as in x[n], for discrete–time signals and round parentheses, as in x(t), for continuous… A discrete–time signal is a function (real or complex valued) whose argument runs over the integers, rather than over the real line. Continuous and Discrete Signals Jack Xin (Lecture) and J. Ernie Esser (Lab) ∗ Abstract Class notes on signals and Fourier transform. Since it is a continuous field, it allow a lot of "signal-like" mathematical operations: addition, product, convolution, and a lot of properties related to limits. 1 Continuous Time Signals and Transform A continuous signal is a continuous function of time deﬁned on the real line R denoted by s(t), t is time. A logic signal is a digital signal with only two possible values, and describes an arbitrary bit stream.Other types of digital signals can represent three-valued logic or higher valued logics. The signal can be discrete or continuous, mono- or mulitdimensional, the observed values are real. A continuous-time periodic signal x(t) is real valued and has a fundamental period T = 8. The function itself need not be continuous. ECE107 18 3 Continuous valued Versus Discrete valued Signals Continuous valued from ECE 107 at Mapúa Institute of Technology The process of converting a continuous-valued discrete-time signal to a digital (discrete-valued discrete-time) signal is known as analog-to-digital conversion. It is used to represent data as a sequence of discrete values. The signal can be complex valued. We now start considering discrete–time signals.

## continuous valued and discrete valued signal

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