Is a type of signal generated by some type of electromagnetic phenomenon; it is representable by a continuous mathematical function in which its amplitude and period (representing a piece of information) are variable as a function of time.
capacitor
noun
Capacitors are energy storage devices that are essential for both analog and digital electronic circuits.
Example: we need a capacitor to filter the signal
en: capacitor
Continuous-Time Signals
noun
A continuous-time (CT) signal is a function, s(t), that is defined for all time t contained in some interval on the real line. For historical reasons, CT signals are often called analog signals.
Example: A signal x (t) is a continuous-time signal if it is not a continuous variable.
en: Señales de tiempo continuo
density
noun
In physics and chemistry, density is a scalar quantity referring to the amount of mass in a given volume of a substance or a solid object.
Example: The density of a substance depends on temperature and pressure.
en: densidad
Discrete-Time Signals
noun
A discrete signal or discrete-time signal is a time series consisting of a sequence of quantities. Unlike a continuous-time signal, a discrete-time signal is not a function of a continuous argument; however, it may have been obtained by sampling from a continuous-time signal.
en: Señales de tiempo discreto
mechanism
noun
Mechanisms are elements intended to transmit and / or transform forces and / or movements from a driving element (motor) to a driven element (receiver), with the mission of allowing human beings to perform certain jobs with greater comfort and less effort.
Example: the motor of a car
en: mecanismo
Signal energy
noun
An energy signal has finite energy. In general, every signal in the practical sense has finite duration, so the energy is finite. The signal has to be of finite type for the measurement to have meaning. A necessary condition for the signal to be finite is that its amplitude → 0 when |t|→ ∞. In any other case, the integral does not converge.
Example: The signal has to be of a finite type for the measurement to have meaning.
en: señal de energia
Signals
noun
In electronics, a signal is often a time-varying voltage that is also an electromagnetic wave carrying information, though it can take on other forms, such as current.
Example: a constant warning signal is sent
en: señales
speech signal
noun
Example: the user send a speech signal
en: señal de voz
systems
noun
Is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure, and purpose and expressed in its functioning.
Example: the system is up to date
en: sistemas
voltage
noun
The electrical voltage or potential difference is a physical quantity that quantifies the electrical potential difference between two points. It can also be defined as the work per unit charge exerted by the electric field on a charged particle to move it between two determined positions.
Example: there is a voltage variation when receiving it
