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Representation of a signal as a rectangular wave with varying duty cycle
Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), is any method of representing a signal as
Pulse-width_modulation
telecommunications, pulse duration is the interval between the time, during the first transition, that the amplitude of the pulse reaches a specified
Pulse_duration
Periodic rectangular waveform
Following each pulse is a period of inactivity known as the pulse separation, indicated as t2. The sum of the pulse duration and the pulse separation constitutes
Pulse_wave
Aspect of the operation of a servo
timeout duration, though; the position pulse must be repeated, usually within 20ms, to instruct the servo to stay in position. When a pulse is sent to
Servo_control
Laser pulse with duration a picosecond (10^-12 s) or less
In optics, an ultrashort pulse, also known as an ultrafast event, is an electromagnetic pulse whose time duration is of the order of a picosecond (10−12
Ultrashort_pulse
Signal processing technique
Pulse compression is a signal processing technique commonly used by radar, sonar and echography to either increase the range resolution when pulse length
Pulse_compression
List of lasers with highest peak power
system whose pulse energy divided by its pulse duration reaches an order of magnitude of 1015 W, or 1 petawatt. These high-power laser pulses are capable
List_of_petawatt_lasers
Way to produce very short laser bursts
technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10−12 s) or femtoseconds
Mode_locking
"Firing" of a projectile weapon (such as a firearm) without loaded ammunition
target systems, and has a stated pulse duration of 65 ms. Another manufacturer offers a pulse module that emits a 30 ms pulse with each trigger pull, and claims
Dry_fire
Activity fraction of a periodic system
ratio of pulse duration, or pulse width (PW) to the total period (T) of the waveform. It is generally used to represent time duration of a pulse when it
Duty_cycle
Electronic circuit or test equipment
A pulse generator is a device that produces controlled bursts of energy characterized by attributes such as duration (commonly known as pulse width),
Pulse_generator
Type of electric circuit
stored energy in the form of a relatively square pulse of comparatively brief duration for various pulsed power applications. In a PFN, energy storage components
Pulse-forming_network
Type of wave pulse
possible duration for a given spectral bandwidth. Bandwidth-limited pulses have a constant phase across all frequencies making up the pulse. Optical pulses of
Bandwidth-limited_pulse
Process of hair removal by exposure to laser pulses
principally in the pulse duration. While lasers may output trains of short pulses to simulate a longer pulse, IPL systems can generate pulse widths up to 250
Laser_hair_removal
Electrophysiology metric
occurs with a pulse duration equal to chronaxie. Minimum charge (bc) occurs with an infinitely short-duration pulse. Choice of a pulse duration equal to 10c
Chronaxie
Any laser not classified as continuous-wave
Pulsed operation of lasers refers to any laser not classified as continuous wave, so that the optical power appears in pulses of some duration at some
Pulsed_laser
Pleasurable phenomenon elicited via direct stimulation of specific brain regions
motivation related to reward magnitude. Stimulation intensity, pulse duration, or pulse frequency can be varied to determine dose-response functions ICSS
Brain_stimulation_reward
Incoherent light source
as pulse duration decreases, and then raising the voltage proportionately in order to maintain a high enough energy-level. However, as pulse duration decreases
Flashtube
Burst of electromagnetic energy
produce nuclear electromagnetic pulses. An electromagnetic pulse is a short surge of electromagnetic energy. Its short duration means that it will be spread
Electromagnetic_pulse
the energy per pulse. Similarly, increase in pulse duration also enhances energy per pulse. High-energy pulses (in excess of 100 J/pulse) can machine larger
Electron-beam_machining
Technique for amplifying ultrashort laser pulses
low-frequency component, and has longer pulse duration than the original by a factor of 1000 to 100000. Then the stretched pulse, whose intensity is sufficiently
Chirped_pulse_amplification
Broad pulse duration tuning. The proven patented Active Fiber Loop technology for GHz burst shaping has been adapted for flexible pulse duration tuning
Ekspla
signal. The pulse width ( τ {\displaystyle \tau } ) (or pulse duration) of the transmitted signal is the time, typically in microseconds, each pulse lasts.
Radar_signal_characteristics
Autocorrelation functions realized in optics
are commonly used to estimate the duration of ultrashort pulses produced by modelocked lasers. The laser pulse duration cannot be easily measured by optoelectronic
Optical_autocorrelation
Study of physics on quintillionth-second timescales
light pulse, the shorter, potentially, is its time duration. There is, however, a lower-limit in the minimum duration exploitable for a given pulse central
Attosecond_physics
Solid-state laser
3 milliseconds. This allows for very high energy pumping, since the pulse duration can be much longer than with other materials. While ruby has a very
Ruby_laser
Laser pulsing technique
for pulse generation with lasers, Q-switching leads to much lower pulse repetition rates, much higher pulse energies, and much longer pulse durations. The
Q-switching
Removal of material from an object's surface
J ) pulse duration ( s ) {\displaystyle {\text{Peak power }}(\mathrm {W} )={\frac {{\text{pulse energy }}(\mathrm {J} )}{{\text{pulse duration }}(\mathrm
Ablation
Audio signal processing technique
The chirp pulse compression process transforms a long duration frequency-coded pulse into a narrow pulse of greatly increased amplitude. It is a technique
Chirp_compression
Spectroscopy with lasers with very short pulses
sequence of ultrashort light pulses to initiate a process and record its dynamics. The temporal width (duration) of the light pulses has to be on the same scale
Ultrafast_laser_spectroscopy
feature of an ultrashort laser pulse and gains significance with decreasing pulse duration, in a regime where the pulse consists of a few wavelengths.
Carrier-envelope_phase
Integrated circuit used for timer applications
Monostable mode produces an output pulse when the trigger signals drops below 1⁄3 VCC. An RC circuit sets the output pulse's duration as the time t {\displaystyle
555_timer_IC
In neuroscience, aspect of a cell membrane
action potential decreases. The strength-duration curve is a plot of the threshold current (I) versus pulse duration (d) required to stimulate excitable tissue
Rheobase
Medical use of laser to cut tissues
tissue surgery. Different laser wavelengths and device settings (such as pulse duration and power) produce different effects on the tissue. Some commonly used
Laser_surgery
Amount of energy transferred or converted per unit time
coal. If ΔW is the amount of work performed during a period of time of duration Δt, the average power Pavg over that period is given by the formula P a
Power_(physics)
Instrument for measuring variation in light pulse intensity over time
for measuring the variation in a pulse of light's intensity with time. They are used to measure the pulse duration of some ultrafast laser systems and
Streak_camera
Process of creating thru-holes using laser cutting methods
material removal rate of a few micrometers per pulse. A flash lamp pumped Nd:YAG laser normally has a pulse duration on the order of hundreds of microseconds
Laser_drilling
Channel access method used by various radio communication technologies
The data signal with pulse duration of T b {\displaystyle T_{b}} (symbol period) is XORed with the code signal with pulse duration of T c {\displaystyle
Code-division_multiple_access
Device that emits light via optical amplification
coherence can also be used to produce ultrashort pulses of light with a broad spectrum but durations measured in attoseconds. Lasers are used in fiber-optic
Laser
frequencies between 20 and 55 MHz. Peak power was 200 kilowatt, with a pulse duration of 5 to 25 microseconds. Four 240 foot wooden receiver towers included
Radar_in_World_War_II
transmitted pulse is usually only one radio-frequency cycle in duration; With a 100 MHz carrier and a PRF of 10 kHz (typical parameters), the pulse duration is
History_of_radar
Laser using electron beam in vacuum as gain medium
achieved with pulse durations of 30 femtoseconds. To get a clear view, a resolution of 0.1–0.3 nm is required. The short pulse durations allow images of
Free-electron_laser
Square root of the mean square
Interface. 8 (1): 20 pages. Nastase, Adrian S. "How to Derive the RMS Value of Pulse and Square Waveforms". MasteringElectronicsDesign.com. Retrieved 21 January
Root_mean_square
Human-readable data serialization language
Lasik 2000 pulseEnergy: 5.4 pulseDuration: 12 repetition: 1000 spotSize: 1mm - step: &id002 instrument: Lasik 2000 pulseEnergy: 5.0 pulseDuration: 10 repetition:
YAML
Electronic method of transmitting information with a carrier wave
is good and distortion low when properly adjusted. Pulse-width modulation (PWM) or pulse-duration modulation (PDM) A highly efficient high voltage power
Amplitude_modulation
Device storing number of times an event or process occurred
precisely timed output pulse in response to an input trigger. The digital design allows for easy adjustment of pulse duration and provides high accuracy
Counter_(digital)
Method in molecular biology to make pores in cell membranes
electroporation cuvette. A high-voltage electric pulse is applied, with specific parameters such as voltage and pulse duration tailored to the particular cell type
Electroporation
Dermatologic procedure to remove tattoo pigments
the literature. Pulse width or pulse duration is a critical laser parameter. All Q-switched lasers have appropriate pulse durations for tattoo removal
Tattoo_removal
Tactile arterial palpation of the heartbeat by fingertips
In medicine, pulse is the rhythmic expansion and contraction of an artery in response to the cardiac cycle (heartbeat). The pulse may be felt (palpated)
Pulse
Behavioral-purposed device to inflict aversive stimulus
amperage. This pain can be further amplified by adjusting the pulse rate and pulse duration. Other factors such as voltage, waveform, and frequency of the
Shock_collar
Automatic collection and transmission of data
either PPM (e.g., the Tral telemetry system developed by OKB-MEI) or pulse-duration modulation (e.g., the RTS-5 system developed by NII-885). In the United
Telemetry
Vaporizing laser beam in a vacuum chamber
Pulsed laser deposition (PLD) is a physical vapor deposition (PVD) technique where a high-power pulsed laser beam is focused inside a vacuum chamber to
Pulsed_laser_deposition
Frequency of a chirp pulse
ripple amplitude is achieved. The durations of the two transition regions need only be a small fraction of the pulse duration, and suggested values are between
Chirp_spectrum
Physiological reaction or injury caused by electric current
amount of current flowing through the body for very short pulse durations. DC shocks of short duration are usually better tolerated by the heart even at high
Electrical_injury
such as power level, phase position, pulse duration, or frequency. Examples of ternary signals are (a) a pulse that can have a positive, zero, or negative
Ternary_signal
Term for accelerations felt as weight in multiples of standard gravity
high-kinetic-energy, short-term excitation. A shock pulse is often measured by its peak acceleration in ɡ0·s and the pulse duration. Vibration is a periodic oscillation
G-force
Welding technique
}}n/v+\tau \leq t\leq (n+1)/v\end{cases}}} where v= pulse frequency, n=0,1, 2,...,v-1), τ= pulse duration. Next, you would apply this boundary condition and
Laser_beam_welding
Electromechanical device
between 0 and 100%. Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a technique used to encode a message into a pulsing signal. Although
Chopper_(electronics)
Naturally occurring liquid present in fruits and vegetables
calculated by multiplying the number of pulses by the effective pulse duration. The high voltage of the pulses produces an electric field that results
Juice
Narrowly focused radar beam whose reflected signal is used to obtain a missile lock-on
fire-control radars have unique characteristics, such as radio frequency, pulse duration, pulse frequency and power. These can assist in identifying the radar,
Fire-control_radar
Type of call-progress tone
the older busy tone, which was the same 400 Hz signal but at half the pulse duration, 0.75 s on, 0.75 s off. Call-progress tone Federal Standard 1037C MIL-STD-188
Busy_signal
Concept in optics
core single-mode Ge-doped fibre. Unusually, they did not report their pulse duration. Their spectrum spanned the entire spectral window in silica from 300 nm
Supercontinuum
Electron diffraction using very short pulses
After a finite time interval, a short (with a duration in femtoseconds or picoseconds) electron pulse is incident upon the sample, which interacts with
Ultrafast electron diffraction
Ultrafast_electron_diffraction
Photographic light source capable of producing sub-microsecond light flashes
into light, xenon (because of its afterglow) cannot achieve a flash pulse duration less than about 10 microseconds. The spark is guided over a quartz surface
Air-gap_flash
Powering mechanism for lasers
be calculated with a fair amount of accuracy. Pulse duration can also affect lifetime. Very long pulses can strip large amounts of material from the cathode
Laser_pumping
Measurement device
profiles. No single laser beam profiler can handle every power level, pulse duration, repetition rate, wavelength, and beam size. Laser beam profiling instruments
Laser_beam_profiler
Protective packaging
requires care to prevent shock amplification caused by the cushioned shock pulse duration being close to the natural frequency of the cushioned item. The process
Package_cushioning
Purposeful modulation of nervous system activity
include the pulse amplitude, pulse duration, pulse gap, active electrode, and return electrode that are used to define a biphasic pulse and the stimulation
Neurostimulation
Optoelectronic instrument
The duration of the measurement pulse and the data sampling interval create a resolution limitation for OTDRs. The shorter the pulse duration and the
Optical time-domain reflectometer
Optical_time-domain_reflectometer
Method used by several animal species to determine location using sound
can last anywhere from less than 3 to over 50 milliseconds in duration. Pulse duration is around 3 milliseconds in FM bats such as Phyllostomidae and
Animal_echolocation
High-power short pulse laser facility
were frequency doubled to 527 nm and ~200 J depending on pulse duration; the pulse duration could be varied from 100 ps to 1 μs, and was a unique capability
Trident_laser
Superconducting qubit implementation
Properly selected pulse duration and strength can put the qubit into a quantum superposition of the two basis states while subsequent pulses can manipulate
Flux_qubit
also known as pulse time or symbol duration, is the shortest time between changes in a data transmission signal. In a data stream, each pulse (or symbol)
Unit interval (data transmission)
Unit_interval_(data_transmission)
Surface engineering process
ns pulse length at 60+ Hz rep rate, ≤ 1 mm spot size. The slab laser system operates in the range of 10–25 J per pulse with 8–25 ns pulse duration at
Laser_peening
Process by which atoms or molecules acquire charge by gaining or losing electrons
constants depending on the wavelength of the laser (but not on the pulse duration). Two models have been proposed to explain the non-sequential ionization;
Ionization
Form of beam-powered propulsion
or liquid surface at high velocities by pulsed laser ablation. Depending on the laser flux and pulse duration, the material can be simply heated and evaporated
Laser_propulsion
Species of amphibian
strategy is multifaceted and a specific combination of vibrational pulse duration and inter-pulse intervals is needed in order for embryos to exhibit this response
Agalychnis_callidryas
German research facility
a magnet with a magnetic flux density of more than 95 teslas with a pulse duration of 11 milliseconds in a diameter of 16 millimeters. Similarly strong
Dresden High Magnetic Field Laboratory
Dresden_High_Magnetic_Field_Laboratory
Spectroscopic technique
absorption. TA measurements are highly sensitive to laser repetition rate, pulse duration, emission wavelength, polarization, intensity, sample chemistry, solvents
Time-resolved_spectroscopy
International nuclear fusion research and engineering megaproject
required energy of 1MV and the beams can operate for the entire plasma pulse duration, a total of up to 3600 seconds. The prototype is being built at the
ITER
Infrared laser
amplifiers, since gain narrowing would reduce the pulse bandwidth below a limit required to support the pulse duration. A novel front end amplification system based
Vulcan_laser
European physics research organization
generate an extremely high peak power of 10 PW (Petawatt) in pulses with duration of 150 fs, pulse energy 1.5 kJ and repetition rate 1 shot per minute. The
Extreme_Light_Infrastructure
Unit of information in a quantum computer
single-qudit gate fidelities of F ≃ 0.99 with π pulse durations of ∽2.5 μs, and fast destructive imaging with durations below 10 μs. These results establish a
Qudit
Radar system for the area near an airport
in circular polarization with a peak power of 1.3 MW and a pulse duration of 1 μs and pulse repetition frequency between 325 and 1200 pps. It can be switched
Airport_surveillance_radar
Technique of measuring electromagnetic spectra
The maximum bandwidth of the resulting THz pulse is primarily limited by the duration of the laser pulse, while the frequency position of the maximum
Terahertz time-domain spectroscopy
Terahertz_time-domain_spectroscopy
Effect of a nuclear explosion on electronic equipment
the resulting pulse from each electron to radiate coherently, adding to produce a single large-amplitude, short-duration, radiated pulse. Secondary collisions
Nuclear_electromagnetic_pulse
European standard for laser eye protection
used for pulsed lasers in case of repeated pulses for wavelengths above 400 nm. Examples the laser operates at 1064 nm and has a pulse duration of 10 ns
EN_207
periodic current pulses. pulse frequency control Pulse control at variable frequency and fixed pulse duration. pulse frequency control Pulse control at variable
Glossary_of_power_electronics
Type of saturable absorber
structure. Since then, the use of SESAMs has enabled the pulse durations, average powers, pulse energies and repetition rates of ultra-fast solid-state
Semiconductor saturable-absorber mirror
Semiconductor_saturable-absorber_mirror
Model of phonons-polaritons
leaving a material void in the laser focus region. Also, since the pulse duration and ablation time scales are much faster than the thermalization time
Polaritonics
Non-linear optical process
power is Pcr ≈ 2.4 GW, corresponding to an energy of about 0.3 mJ for a pulse duration of 100 fs. For silica, n0 ≈ 1.453, n2 ≈ 2.4×10−20 m2/W, and the critical
Self-focusing
Aspect of music
sequence of distinct short-duration pulses and, as a subjective perception of loudness is relative to background noise levels, a pulse must decay to silence
Rhythm
Length of time which a note can last
In music, duration is an amount of time or how long or short a note, phrase, section, or composition lasts. "Duration is the length of time a pitch, or
Duration_(music)
Function of propagation delay and Doppler frequency
sonar pulse is the linear frequency modulated (LFM) pulse (or "chirp"). It has the advantage of greater bandwidth while keeping the pulse duration short
Ambiguity_function
Astrobiological instrument
to 200 mm3 crushed sample per oven Laser UV (λ = 266 nm) Pulse energy: 13–130 μJ Pulse duration: < 2.5 ns Spot size: ≈ 400 μm Mass spectrometer (MS) Mass
Mars Organic Molecule Analyser
Mars_Organic_Molecule_Analyser
Type of atomic emission spectroscopy
nearby molecules and generate new electrons through collisions. If the pulse duration is long, the newly ionized electrons can be accelerated and eventually
Laser-induced breakdown spectroscopy
Laser-induced_breakdown_spectroscopy
American physicist
Murnane, M.; Mourou, G. (1999). "Short-Pulse Laser Damage in Transparent Materials as a Function of Pulse Duration". Physical Review Letters. 82 (19): 3883
Henry_Kapteyn
Type of solid-state switch
maximum permissible gate power (PG), specified for a given trigger pulse duration, is not exceeded. As well as the usual failure modes due to exceeding
Thyristor
pulse shaping refers to manipulations with temporal profile of an ultrashort laser pulse. Pulse shaping can be used to shorten/elongate the duration of
Femtosecond_pulse_shaping
Mouse myoblast cell line
that the most commonly used settings include a voltage of 10–20 V, pulse duration of 2 ms, a frequency of 1 Hz, and stimulation periods of around 24 hours
C2C12
PULSE DURATION
PULSE DURATION
Surname or Lastname
Dutch and North German (Hülse)
Dutch and North German (Hülse) : topographic name for someone who lived where holly grew, Middle Low German huls, hüls.English (mainly Lancashire) : habitational name from a place in Cheshire, recorded in the mid 13th century in the forms Holes, Holis, and Holys. This probably represents a Middle English plural of Old English holh ‘hollow’, ‘depression’ (see Hole).
Surname or Lastname
English
English : derivative of the personal name Pell.German (Pullmann) : variant of Puhlmann, itself a variant of Puhl.Jewish (Ashkenazic) : occupational name for a bottle blower, from German Pulle ‘bottle’ + Mann ‘man’.
Surname or Lastname
English
English : variant of Girdler.German (Gürtler) : occupational name for a maker of straps and belts, from Middle High German gurtel ‘belt’ (specifically a leather belt with brass fittings, from which a purse would be hung).
Boy/Male
Hindu, Indian, Kannada, Marathi, Sanskrit, Telugu
Never Ending; Persistence; Continuity; Perpetuity; Eternity; Uninterrupted Duration; Diligence; Conscientiousness; Truthful; Straightforward; Honest
Female
Native American
Native American Algonquin name PULES means "pigeon."
Girl/Female
Biblical
Millet, small pulse.
Surname or Lastname
German and Jewish (Ashkenazic)
German and Jewish (Ashkenazic) : occupational name for a purser, or for a purse-maker, from an agent derivative of Middle High German seckel, Yiddish zekl ‘purse’, ‘pouch’.English : from Old French seculier ‘secular’, hence a status name for a member of the secular clergy, or a nickname for someone without religious inclination.
Biblical
millet; small pulse
Girl/Female
British, English
Pulses
Girl/Female
Native American
Pigeon.
Boy/Male
Indian, Sanskrit
Long Life; Age; Duration of Life; Lineage
Surname or Lastname
English
English : metonymic occupational name for someone who made bags or purses or for an official in charge of expenditure, from Middle English purse (via Old English from Latin bursa).Scottish : variant of Purser.
Surname or Lastname
English
English : from an agent derivative of Middle English purse (see Purse), hence an occupational name for someone who made or sold purses and bags, or for an official in charge of expenditure.Scottish : Anglicized form of Gaelic Mac an Sparain ‘son of the purse’, traditionally born by purse-bearers to the Lords of the Isles.
Boy/Male
Arabic
Duration; Endurance
Male
Greek
(ΠαÏαμονιμος) Ancient Greek name possibly derived from the word paramone, PARAMONIMOS means "constant, enduring," or composed of para "beside, beyond" and the name Monimos "to be favorable, pleasing." In ancient Greece there was a slave contract known as the paramone; though of limited duration, it was the most restrictive type of slavery, giving the master absolute rights.
PULSE DURATION
PULSE DURATION
Boy/Male
Italian Spanish
Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of...
Girl/Female
Italian Hebrew
Lamb.
Female
English
English pet form of French Catharine, CATHY means "pure."
Girl/Female
Arabic, Muslim
Veiled; Covered
Boy/Male
Muslim/Islamic
Appellation of Imam Husayn (R.A)
Surname or Lastname
English
English : habitational name from any of various minor places named Cowick. Cowick in Devon and East and West Cowick in East Yorkshire are all named with Old English cū ‘cow’ + wīc ‘outlying dairy farm’.
Girl/Female
German
Ruler
Girl/Female
Hindu, Indian
Moonlight
Boy/Male
Indian
Unique, No one like him, Non duality
Boy/Male
Shakespearean
King Richard III' Cardinal Bourchier, Archbishop of Canterbury.
PULSE DURATION
PULSE DURATION
PULSE DURATION
PULSE DURATION
PULSE DURATION
p. pr. & vb. n.
of Purse
a.
Exciting the pulse; causing pulsation.
n.
Regularly of the pulse.
v. t.
To put into a purse.
n.
Hence, a treasury; finances; as, the public purse.
n.
A purse or purse net.
a.
Of or pertaining to polycrotism; manifesting polycrotism; as, a polycrotic pulse; a polycrotic pulse curve.
n.
Split pulse, esp. of Cajanus Indicus.
a.
Affected with purse pride; puffed up with the possession of riches.
a.
Of, pertaining to, or showing, monocrotism; as, a monocrotic pulse; a pulse of the monocrotic type.
a.
Excessive dicrotic; as, a hyperdicrotic pulse.
a.
Of or pertaining to the pulse.
v. i.
To beat, as the arteries; to move in pulses or beats; to pulsate; to throb.
n.
Pulse; pease.
n.
A seaweed of a reddish brown color, which is sometimes eaten, as in Scotland. The true dulse is Sarcophyllis edulis; the common is Rhodymenia. [Written also dillisk.]
n.
A purse or bag in which to carry or measure diamonds, etc.
a.
Pertaining to pulse; consisting of pulse.
n.
A sum of money offered as a prize, or collected as a present; as, to win the purse; to make up a purse.
v. t.
To draw up or contract into folds or wrinkles, like the mouth of a purse; to pucker; to knit.
n.
One who collects pods or pulse.