Table of Contents
54 relations: Acoustics, Amplitude, Arbitrary waveform generator, Atmospheric pressure, Basis function, Carrier wave, Chirp, Continuous wave, Crest factor, DC bias, Decibel, Diagnosis, Electric current, Electrocardiography, Electromagnetic field, Electronics, Envelope (music), Fourier series, Fourier transform, Frequency, Frequency domain, Graph of a function, Guang Gong, Harmonic, Heart, Jian Li (engineer), Keyboard instrument, Magnitude (mathematics), Medicine, Oscilloscope, Periodic function, Peter Stoica, Phase (waves), Phase offset modulation, Pulse (signal processing), Sawtooth wave, Scale (ratio), Signal, Signal generator, Sine wave, Sound, Spectrum analyzer, Square wave, Subtractive synthesis, Synthesizer, Timbre, Time, Triangle wave, Trigonometry, Voltage, ... Expand index (4 more) »
- Waveforms
Acoustics
Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.
Amplitude
The amplitude of a periodic variable is a measure of its change in a single period (such as time or spatial period).
Arbitrary waveform generator
An arbitrary waveform generator (AWG) is a piece of electronic test equipment used to generate electrical waveforms.
See Waveform and Arbitrary waveform generator
Atmospheric pressure
Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.
See Waveform and Atmospheric pressure
Basis function
In mathematics, a basis function is an element of a particular basis for a function space.
See Waveform and Basis function
Carrier wave
In telecommunications, a carrier wave, carrier signal, or just carrier, is a periodic waveform (usually sinusoidal) that carries no information that has one or more of its properties modified (the called modulation) by an information-bearing signal (called the message signal or modulation signal) for the purpose of conveying information. Waveform and carrier wave are waveforms.
Chirp
A chirp is a signal in which the frequency increases (up-chirp) or decreases (down-chirp) with time.
Continuous wave
A continuous wave or continuous waveform (CW) is an electromagnetic wave of constant amplitude and frequency, typically a sine wave, that for mathematical analysis is considered to be of infinite duration. Waveform and continuous wave are waveforms.
See Waveform and Continuous wave
Crest factor
Crest factor is a parameter of a waveform, such as alternating current or sound, showing the ratio of peak values to the effective value. Waveform and Crest factor are waveforms.
DC bias
In signal processing, when describing a periodic function in the time domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform.
Decibel
The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B).
Diagnosis
Diagnosis (diagnoses) is the identification of the nature and cause of a certain phenomenon.
Electric current
An electric current is a flow of charged particles, such as electrons or ions, moving through an electrical conductor or space.
See Waveform and Electric current
Electrocardiography
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG), a recording of the heart's electrical activity through repeated cardiac cycles.
See Waveform and Electrocardiography
Electromagnetic field
An electromagnetic field (also EM field) is a physical field, mathematical functions of position and time, representing the influences on and due to electric charges.
See Waveform and Electromagnetic field
Electronics
Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles.
Envelope (music)
In sound and music, an envelope describes how a sound changes over time.
See Waveform and Envelope (music)
Fourier series
A Fourier series is an expansion of a periodic function into a sum of trigonometric functions.
See Waveform and Fourier series
Fourier transform
In physics, engineering and mathematics, the Fourier transform (FT) is an integral transform that takes a function as input and outputs another function that describes the extent to which various frequencies are present in the original function.
See Waveform and Fourier transform
Frequency
Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.
Frequency domain
In mathematics, physics, electronics, control systems engineering, and statistics, the frequency domain refers to the analysis of mathematical functions or signals with respect to frequency (and possibly phase), rather than time, as in time series.
See Waveform and Frequency domain
Graph of a function
In mathematics, the graph of a function f is the set of ordered pairs (x, y), where f(x).
See Waveform and Graph of a function
Guang Gong
Guang Gong (born 1956) is an electrical engineer whose research topics include lightweight cryptography and algebraic coding theory for wireless communication.
Harmonic
In physics, acoustics, and telecommunications, a harmonic is a sinusoidal wave with a frequency that is a positive integer multiple of the fundamental frequency of a periodic signal.
Heart
The heart is a muscular organ found in most animals.
Jian Li (engineer)
Jian Li is a Chinese-American electrical engineer known for her research in signal processing, spectral density estimation, and MIMO radar, and for her books on engineering She is a professor of electrical and computer engineering at the University of Florida, where she directs the Spectral Analysis Laboratory.
See Waveform and Jian Li (engineer)
Keyboard instrument
A keyboard instrument is a musical instrument played using a keyboard, a row of levers that are pressed by the fingers.
See Waveform and Keyboard instrument
Magnitude (mathematics)
In mathematics, the magnitude or size of a mathematical object is a property which determines whether the object is larger or smaller than other objects of the same kind.
See Waveform and Magnitude (mathematics)
Medicine
Medicine is the science and practice of caring for patients, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health.
Oscilloscope
An oscilloscope (informally scope or O-scope) is a type of electronic test instrument that graphically displays varying voltages of one or more signals as a function of time.
Periodic function
A periodic function or cyclic function, also called a periodic waveform (or simply periodic wave), is a function that repeats its values at regular intervals or periods.
See Waveform and Periodic function
Peter Stoica
Peter (Petre) Stoica (born 1949) is a researcher and educator in the field of signal processing and its applications to radar/sonar, communications and bio-medicine.
Phase (waves)
In physics and mathematics, the phase (symbol φ or ϕ) of a wave or other periodic function F of some real variable t (such as time) is an angle-like quantity representing the fraction of the cycle covered up to t. It is expressed in such a scale that it varies by one full turn as the variable t goes through each period (and F(t) goes through each complete cycle).
See Waveform and Phase (waves)
Phase offset modulation
Phase offset modulation works by overlaying two instances of a periodic waveform on top of each other.
See Waveform and Phase offset modulation
Pulse (signal processing)
A pulse in signal processing is a rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a rapid return to the baseline value.
See Waveform and Pulse (signal processing)
Sawtooth wave
The sawtooth wave (or saw wave) is a kind of non-sinusoidal waveform. Waveform and sawtooth wave are waveforms.
See Waveform and Sawtooth wave
Scale (ratio)
The scale ratio of a model represents the proportional ratio of a linear dimension of the model to the same feature of the original.
See Waveform and Scale (ratio)
Signal
Signal refers to both the process and the result of transmission of data over some media accomplished by embedding some variation.
Signal generator
A signal generator is one of a class of electronic devices that generates electrical signals with set properties of amplitude, frequency, and wave shape.
See Waveform and Signal generator
Sine wave
A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function. Waveform and sine wave are waveforms.
Sound
In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid.
Spectrum analyzer
A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.
See Waveform and Spectrum analyzer
Square wave
A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum. Waveform and square wave are waveforms.
Subtractive synthesis
Subtractive synthesis is a method of sound synthesis in which overtones of an audio signal are attenuated by a filter to alter the timbre of the sound.
See Waveform and Subtractive synthesis
Synthesizer
A synthesizer (also synthesiser, or simply synth) is an electronic musical instrument that generates audio signals.
Timbre
In music, timbre, also known as tone color or tone quality (from psychoacoustics), is the perceived sound quality of a musical note, sound or tone.
Time
Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, and into the future.
Triangle wave
A triangular wave or triangle wave is a non-sinusoidal waveform named for its triangular shape. Waveform and triangle wave are waveforms.
See Waveform and Triangle wave
Trigonometry
Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles.
Voltage
Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points.
Wave packet
In physics, a wave packet (also known as a wave train or wave group) is a short burst of localized wave action that travels as a unit, outlined by an envelope.
Waveform monitor
A waveform monitor is a special type of oscilloscope used in television production applications.
See Waveform and Waveform monitor
Waveform viewer
A waveform viewer is a software tool for viewing the signal levels of either a digital or analog circuit design.
See Waveform and Waveform viewer
Wavelength
In physics and mathematics, wavelength or spatial period of a wave or periodic function is the distance over which the wave's shape repeats.
See also
Waveforms
- Biorhythm (pseudoscience)
- Carrier wave
- Constant envelope
- Continuous wave
- Crest factor
- Sawtooth wave
- Sine wave
- Square wave
- Triangle wave
- Waveform
References
Also known as Periodic waveforms, Wave form, Wave forms, Waveform audio, Waveforms.