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Shape and form of a signal
In electronics, acoustics, and related fields, the waveform of a signal is the shape of its graph as a function of time, independent of its time and magnitude
Waveform
Waveform shaping in electronics is the modification of the shape of an electronic waveform. It is in close connection with waveform diversity and waveform
Waveform_shaping
Wave shaped like the sine function
sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function. In mechanics, as a linear motion
Sine_wave
Topics referred to by the same term
Look up waveform in Wiktionary, the free dictionary. A waveform is the shape and form of a wave. Waveform may also refer to: Waveform (podcast), a podcast
Waveform_(disambiguation)
Burst of electromagnetic energy
spectrum of frequencies present Pulse waveform: shape, duration and amplitude The frequency spectrum and the pulse waveform are interrelated via the Fourier
Electromagnetic_pulse
Instrument for displaying time-varying signals
electrical signals for debugging, analysis, or characterization. The displayed waveform can then be analyzed for properties such as amplitude, frequency, rise
Oscilloscope
Vice chancellor of Banaras Hindu University
served as the Director of IIT Roorkee. He has largely contributed to waveform shaping and sequence design, MIMO systems. Chaturvedi was appointed as the
Ajit_Kumar_Chaturvedi
Process in electronics and telecommunications
electronics and telecommunications, pulse shaping is the process of changing a transmitted pulses' waveform to optimize the signal for its intended purpose
Pulse_shaping
Type of non-sinusoidal waveform
these files? See media help. A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum
Square_wave_(waveform)
Electronic test equipment used to generate electrical waveforms
sinewave distortion of about 1% (accuracy of diode shaping network) for analog generators. Arbitrary waveform generators may have distortion less than -55 dB
Function_generator
Football stadium in Beşiktaş, Istanbul, Turkey
and widen at the edges. The varying elevation creates a significant waveform-shape in the stands and gives a traditional look. The height of the east stand
Beşiktaş_Stadium
Dynamic disturbance in a medium or field
about an equilibrium (resting) value at some frequency. When the entire waveform moves in one direction, it is said to be a traveling wave; by contrast
Wave
Type of transducer
magnet, a ferromagnetic pole piece, and coil of wire. VR sensors need waveform shaping for their output to be digitally readable. The normal output of a VR
Variable_reluctance_sensor
Device measuring electrical waves on a power grid
remote points on the grid. PMUs are capable of capturing samples from a waveform in quick succession and reconstructing the phasor quantity, made up of
Phasor_measurement_unit
of electrophysiological data. Spike sorting algorithms use the shape(s) of waveforms collected with one or more electrodes in the brain to distinguish
Spike_sorting
Electromagnetic wave that is not pulsed
A continuous wave, or continuous waveform, (CW) is an electromagnetic wave of constant amplitude and frequency, typically a sine wave, that for mathematical
Continuous_wave
Device that changes direct current (DC) to alternating current (AC)
and again zero. The resultant voltage waveform better approximates the shape of a sinusoidal voltage waveform than a single square wave. Most inexpensive
Power_inverter
Event-related potential
such systems. First, the waveform is consistently detectable and is elicited in response to precise stimuli. The P300 waveform can also be evoked in nearly
P300_(neuroscience)
Electronic devices that generate electronic signals
generators, RF and microwave signal generators, pitch generators, arbitrary waveform generators, digital pattern generators, and frequency generators. In general
Signal_generator
Use of electrical energy for cosmetics
microcurrent characteristics, particular the frequency and shape of the changing voltage (waveform), have different effects on the tissue.[unreliable source
Electrotherapy_(cosmetic)
Standard on surge immunity
voltage and current waveforms for laboratory testing, with the "1.2/50-8/20 μs" impulse being the most frequently used surge waveform. Although this standard
IEC_61000-4-5
Digital audio synthesis technique
used to create quasi-periodic waveforms often used in the production of musical tones or notes. It uses a series of waveforms that are digitized as a series
Wavetable_synthesis
2D modulation technique
Viterbo, Emanuele; Biglieri, Ezio (January 2019). "Practical Pulse-Shaping Waveforms for Reduced-Cyclic-Prefix OTFS". IEEE Transactions on Vehicular Technology
Orthogonal Time Frequency Space
Orthogonal_Time_Frequency_Space
Delays experienced through a linear time-invariant system
contribute to signal distortion, which is manifested as the output signal waveform shape being different from that of the input signal. The phase delay property
Group_delay_and_phase_delay
Distance over which a wave's shape repeats
propagation of sinusoidal components. The wavelength λ of a sinusoidal waveform traveling at constant speed v {\displaystyle v} is given by λ = v f , {\displaystyle
Wavelength
Psychology research paradigm
(1976). "The effects of temporal and event uncertainty in determining the waveforms of the auditory event related potentials (ERP)". Psychophysiology. 13
Oddball_paradigm
Audio process
complex spectra are produced from simple tones by altering the shape of the waveforms. Waveshapers are used mainly by electronic musicians to achieve
Waveshaper
Type of electric motor
and the rotor’s magnetic field. The rotor's geometry determines the waveform's shape. This effect is not unique to permanent magnet motors. Induction motors
Permanent_magnet_motor
Peak divided by the Root mean square (RMS) of the waveform
windowing, noise shaping, pulse injection and peak cancellation. Electrical engineering — for describing the quality of an AC power waveform Vibration analysis
Crest_factor
Alteration of the original shape of a signal
of the original shape (or other characteristic) of a signal. In communications and electronics it means the alteration of the waveform of an information-bearing
Distortion
Soviet home computer series (1985–1993)
because the simplest circuit for switching the clock speed produces bad waveform shapes in the clock signal due to contact bounce in the mechanical switch
Electronika_BK
Voice encryption, transformation, and synthesis device
closing of the glottis by the vocal cords, which produces an acoustic waveform with many harmonics. This initial sound is then filtered by movements in
Vocoder
Noise that reduces quantization error
See media help. Take, for example, a waveform that consists of the following values: 1 2 3 4 5 6 7 8 If the waveform is reduced by 20%, then the following
Dither
Sound with a sinusoidal waveform
waveform; that is, a sine wave of constant frequency, phase-shift, and amplitude. A pure tone has the property – unique among real-valued wave shapes
Pure_tone
Television that uses analog signals
generate modified sawtooth and parabola current waveforms to scan the electron beam. Engineered waveform shapes are necessary to make up for the distance variations
Analog_television
Non-sinusoidal waveform
A triangular wave or triangle wave is a non-sinusoidal waveform named for its triangular shape. It is a periodic, piecewise linear, continuous real function
Triangle_wave
Electric motor for discrete partial rotations
limitations by approximating a sinusoidal voltage waveform to the motor phases. The amplitude of the voltage waveform is set up to increase with step rate. If
Stepper_motor
Device or tool used for scientific purposes
Oscilloscope, electric signal voltage, amplitude, wavelength, frequency, waveform shape/pattern Photometer, illuminance, irradiance, light absorption, scattering
Scientific_instrument
Philosophical distinctions
represents a band of possible actual voltages, power factor and AC waveform shapes. Traction power networks routinely operate well above the nominal voltage
Real versus nominal value (metrology)
Real_versus_nominal_value_(metrology)
Frequency of a chirp pulse
frequency-domain representation is an alternative to the more familiar time-domain waveform, and the two versions are mathematically related by the Fourier transform
Chirp_spectrum
Protective electronic circuit
certain portions of an arbitrary waveform near the positive or negative peaks or both. Clipping changes the shape of the waveform and alters its spectral components
Clipper_(electronics)
The Flow waveform for the human respiratory system in lung ventilators, is the shape of air flow that is blown into the patient's airways. Computer technology
Flow_waveform
Increased fluid pressure and flow from an explosion
simplest form of a blast wave has been described and termed the Friedlander waveform. It occurs when a high explosive detonates in a free field: that is, with
Blast_wave
Ratio of active power to apparent power
the sinusoidal line voltage. A linear load does not change the shape of the input waveform but may change the relative timing (phase) between voltage and
Power_factor
Passenger vehicle safety assessment program
respectively. The Euro NCAP Low and High Severity tests have different waveform shapes and lower peak acceleration, despite the latter having a higher speed
C-NCAP
The history of the oscilloscope reaches back to the first recordings of waveforms with a galvanometer coupled to a mechanical drawing system in the second
History_of_the_oscilloscope
Technology for storing data in hard disk drives
This complexity is associated with optimization of the equalization (waveform shaping) and timing recovery for the dynamically varying offtrack conditions
Two-dimensional magnetic recording
Two-dimensional_magnetic_recording
Residual periodic variation of voltage
source. This ripple is due to incomplete suppression of the alternating waveform after rectification. Ripple voltage originates as the output of a rectifier
Ripple_(electrical)
Telecommunications Device
amplitude of the signal and will not correct the distortion of the waveform shape. A threshold detector can be used to correct the amplitude levels although
Regenerator (telecommunications)
Regenerator_(telecommunications)
Representation of a signal as a rectangular wave with varying duty cycle
the input waveform (red) intersects with a sawtooth or a triangle waveform (blue). Depending on the type of sawtooth or triangle waveform (green in the
Pulse-width_modulation
Electrical device that uses batteries to prevent any interruption of power flow
Harmonic distortion, defined as a departure from the ideal sinusoidal waveform expected on the line Some manufacturers of UPS units categorize their products
Uninterruptible_power_supply
Classification of power amplifier
is passing current, expressed as a fraction of the period of a signal waveform applied to the input. This metric is known as conduction angle ( θ {\displaystyle
Power_amplifier_classes
Chart of tissue blood volume changes
hypovolemia, and other circulatory conditions. Additionally, the shape of the PPG waveform differs from subject to subject, and varies with the location
Photoplethysmogram
2008 music video game
value of standard synthesizer parameters such as cutoff frequency and waveform shape. Additionally there is a screen where users can patch certain parameters
KORG_DS-10
Electrocardiogram waveform representing ventricular contraction in the heart
Monomorphic refers to all QRS waves in a single lead being similar in shape. Polymorphic means that the QRS change from complex to complex. These terms
QRS_complex
Measure of change in a periodic variable
the ratio between peak, average and RMS values is dependent on waveform. If the wave shape being measured is greatly different from a sine wave, the relationship
Amplitude
Type of continuous-phase frequency-shift keying
lower frequency is identical to half the bit rate. Consequently, the waveforms used to represent a 0 and a 1 bit differ by exactly half a carrier period
Minimum-shift_keying
Signal used to represent data as a sequence of discrete values
signal, alternating between a discrete number of waveforms, representing a bitstream. The shape of the waveform depends on the transmission scheme, which may
Digital_signal
Measurement of power meeting specifications
Electric power quality is the degree to which the voltage, frequency, and waveform of a power supply system conform to established specifications. Good power
Electric_power_quality
Audio signal processing technique
basic pulse compression properties can be related as follows. For a chirp waveform that sweeps over a frequency range F1 to F2 in a time period T, the nominal
Chirp_compression
Function with a repeating pattern
\mathbb {R} } is a representation of a 1-periodic function. Consider a real waveform consisting of superimposed frequencies, expressed in a set as ratios to
Periodic_function
Type of analog or digital filter
with the ripples of gain in its passband results in distortion of the waveform's shape. Even order Chebyshev filters implemented with passive elements, typically
Chebyshev_filter
Process of varying one or more properties of a periodic waveform
modulation is the process of varying one or more properties of a periodic waveform in electronics and telecommunication for the purpose of transmitting information
Signal_modulation
Linear filter in the time domain
pulse shaping filter in a digital communication system to perform matched filtering. This helps in constraining the occupied bandwidth of the waveform without
Root-raised-cosine_filter
Wireless positioning technology
{\displaystyle T_{c}} = 2 ns. Each chip is modulated by the same pulse waveform. The pulse waveform is not specified by the protocol, thus it is left to user preference
UWB_ranging
Electronic circuit used to implement two-state devices
network. They called their circuit a "multivibrator" because its output waveform was rich in harmonics. A variety of active devices can be used to implement
Multivibrator
Oscillator with frequency controlled by a voltage input
into two groups based on the type of waveform produced. Linear or harmonic oscillators generate a sinusoidal waveform. Harmonic oscillators in electronics
Voltage-controlled_oscillator
Method for converting signals between digital and analog
delta-sigma modulator. The resulting multi-stage noise shaping (MASH) structure has a steeper noise shaping property, so is commonly used in digital audio. The
Delta-sigma_modulation
Audio-based review system in cricket
bat hitting the pitch, and so on, tend to have a less sharp shape on the sound waveform, so it can be determined with some accuracy what contact made
Snickometer
Family of synthesizers by Casio
different waveforms: as well as the standard sawtooth, square, and pulse waveforms, it had a special double sine waveform, a half-sine waveform, and three
Casio_CZ_synthesizers
Topics referred to by the same term
Distortion denotes the alteration of the original shape of an object, image, sound, or waveform. Distortion may also refer to: Distortion (optics),
Distortion_(disambiguation)
Waveform graphics is a simple vector graphics system introduced by Digital Equipment Corporation (DEC) on the VT55 and VT105 terminals in the mid-1970s
Waveform_graphics
Instrument in mass spectrometry
Stored-waveform inverse Fourier transform (SWIFT) is a method for the creation of excitation waveforms for FTMS. The time-domain excitation waveform is formed
Fourier-transform ion cyclotron resonance
Fourier-transform_ion_cyclotron_resonance
Strength of an object's radar echo
incorporate active cancellation techniques, the precise characteristics of the waveform and angle of arrival of the illuminating radar signal must be known, since
Radar_cross_section
Function used in signal processing
and taper away from the middle. Mathematically, when another function or waveform/data-sequence is "multiplied" by a window function, the product is also
Window_function
Form of sound synthesis
FM synthesis) is a form of sound synthesis whereby the frequency of a waveform is changed by modulating its frequency with a modulator. The (instantaneous)
Frequency modulation synthesis
Frequency_modulation_synthesis
devices in PE and the factors which causes modifications on output waveform shaping and rate. Therefore, it is possible to distinguish two techniques of
Switching_control_techniques
Electronic circuit that behaves chaotically
roughly that it is a "nonperiodic oscillator"; it produces an oscillating waveform that, unlike an ordinary electronic oscillator, never "repeats". It was
Chua's_circuit
Periodic rectangular waveform
sinusoidal waveforms, a pulse wave exhibits a more abrupt, rectangular shape with clearly defined high and low levels, making it a non-sinusoidal waveform that
Pulse_wave
Dedicated magnetic tape data storage device
LED Black body original-shape model, black cassette lid, five black keys, no tape counter, no SAVE LED White body original-shape model, black cassette lid
Commodore_Datasette
Frequency domain representation of random fluctuations in the phase of a waveform
frequency-domain representation of random fluctuations in the phase of a waveform, corresponding to time-domain deviations from perfect periodicity (jitter)
Phase_noise
uniformity, and cure heat history, among other things. RFV is a complex waveform. It is expressed using several standard methods, including peak-to-peak
Radial_force_variation
Synthesizer released in 2002
Unison Simulator is similar to the Supersaw waveform on the Roland JP-8000. The included "OSC MOD WAVEFORM" and "OSC2 SYNC" controllers are reminiscent
MicroKORG
Electronic musical instrument
generates audio signals. Synthesizers typically create sounds by generating waveforms through methods including subtractive synthesis, additive synthesis, and
Synthesizer
Examination of the heart's electrical activity
to the deflections in the theoretical waveform he created using equations which corrected the actual waveform obtained by the capillary electrometer
Electrocardiography
Visual phenomenon
visibility of TLMs as stroboscopic effect are: The shape of the temporary modulated light waveform (e.g. sinusoidal, rectangular pulse and its duty cycle);
Stroboscopic_effect
Biological process in the heart
activated results in differences in the configuration of the action potential waveform, as shown in figure 2. Cardiac automaticity also known as autorhythmicity
Cardiac_action_potential
Type of electronic circuit
oscillator's “native” output waveform is sinusoidal, a signal-conditioning circuit may be used to convert the output to other waveform types, such as the square
Electronic_oscillator
Instrument used for measuring voltage
to the average value of the waveform. The meter can be calibrated to display the root mean square value of the waveform, assuming a fixed relation between
Voltmeter
Shaped charge designed to penetrate armor effectively
that can be fired in different arrangements causing different types of waveform in the explosive, resulting in either a long-rod penetrator, an aerodynamic
Explosively_formed_penetrator
Signal processing technique
time delay of t 0 {\displaystyle t_{0}} . If the transmitted waveform is the chirp waveform: x ( t ) = exp ( j π Δ f T ( t ) 2 ) exp ( j 2 π f 0 ( t
Pulse_compression
voltage of the largest (in this case, positive-going) peak of the ERP waveform in a specific time window. P3b amplitude is generally relatively large
P3b
Object detection system using radio waves
duration. Hybrid mixers, fed by a waveform generator and an exciter for a complex but coherent waveform. This waveform can be generated by low power/low-voltage
Radar
Data communications modulation protocol
is called pulse shaping in this application. In ordinary non-filtered FSK, at a jump from −1 to +1 or +1 to −1, the modulated waveform changes rapidly
Frequency-shift_keying
Type of electronic component
that reduces the power of a signal without appreciably distorting its waveform. An attenuator is effectively the opposite of an amplifier, though the
Attenuator_(electronics)
Pulse-width modulation rectifier
(February 2005). "Novel Concept for Mains Voltage Proportional Input Current Shaping of a VIENNA Rectifier Eliminating Controller Multipliers" (PDF). IEEE Transactions
Vienna_rectifier
Foot-operated analogue synthesizer
I and Taurus III, only one waveform was available: a distorted sawtooth wave. The Taurus II introduced a second waveform, the pulse wave. All models
Moog_Taurus
Electronic sound synthesis method
waveforms, synchronised to each other per-cycle. The modulators were various angular waves that could 'distort' the carrier's sine into other shapes,
Phase_distortion_synthesis
Musical tuning system
The waveform of such a tone (as pictured on an oscilloscope) is characterized by a shape that is complex compared to a simple (sine) waveform, but remains
Musical_temperament
Mechanism that maintains blood pressure between heart beats
Windkesseleffekt) is a term used in medicine to account for the shape of the arterial blood pressure waveform in terms of the interaction between the stroke volume
Windkessel_effect
WAVEFORM SHAPING
WAVEFORM SHAPING
WAVEFORM SHAPING
Girl/Female
Indian
Omen, Luck, Fortunate, Auspicious moment
Girl/Female
African, Arabic, Australian, Celebrity, Danish, German, Gujarati, Hindu, Indian, Kannada, Marathi, Muslim, Swahili
Angel; Small Child
Girl/Female
Hindu, Indian
Goddess Laxmi
Girl/Female
Muslim
Intelligent, Precious stone
Boy/Male
Tamil
Lord Shiva
Surname or Lastname
English
English : variant spelling of Lyon 1–3.French : variant of Lyon 1.French : habitational name from places in Calvados, Loire, and Meuse named with Lion.
Female
Icelandic
Icelandic form of Greek Barbara, BARBÃRA means "foreign; strange."
Boy/Male
Hindu
Nirakartre acceptor of ramas Mantra only
Boy/Male
Muslim/Islamic
Supervising guardian, protector
Girl/Female
Tamil
WAVEFORM SHAPING
WAVEFORM SHAPING
WAVEFORM SHAPING
WAVEFORM SHAPING
WAVEFORM SHAPING
v. i.
To move about in one's place, like a bird when shaping the interior of her nest or a young bird getting close to the parent; as, a child nestles.
n.
One occupied with the affairs of government, and influental in shaping its policy.
p.a.
Used in making a mold or moldings; used in shaping anything according to a pattern.
v. t.
An instrument for cutting out, or shaping, materials, as paper, leather, etc., by a downward pressure.
v. i.
To be busy forming anything; to labor hard as if shaping something with a hammer.
n.
A tool, variously shaped or grooved on the end or face, used by blacksmiths and other workers in metals, for shaping their work, whether sheet metal or forging, by holding the swage upon the work, or the work upon the swage, and striking with a sledge.
n.
The act or process of shaping in or on a mold, or of making molds; the art or occupation of a molder.
n.
A machine for turning, that is, for shaping articles of wood, metal, or other material, by causing them to revolve while acted upon by a cutting tool.
a.
A mechanician; an artisan; an artificer; one who practices any mechanic art; one skilled or employed in shaping and uniting materials, as wood, metal, etc., into any kind of structure, machine, or other object, requiring the use of tools, or instruments.
p. pr. & vb. n.
of Shape
a.
Worn by the waves.
n.
A machine for cutting or shaping materials; -- also called machine tool.
n.
Turnery, or the shaping of solid substances into various by means of a lathe and cutting tools.
n.
The act or process of making casts or impressions, or of shaping metal or plaster in a mold; the act or the process of pouring molten metal into a mold.
n.
The act or process of shaping on a last.
v. t.
To admit or turn (anything) for the purpose of shaping it; -- said of a lathe; as, the lathe can swing a pulley of 12 inches diameter.
n.
The act of shaping or making a tube, or of providing with a tube; also, a tube or tubulure; as, the tubulation of a retort.
n.
The thin edge or ridge left by a tool in cutting or shaping metal, as in turning, engraving, pressing, etc.; also, the rough neck left on a bullet in casting.
n.
A tool for shaping the rimes of a ladder.
a.
Forming; shaping; molding.