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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
Type of radar where a known stable frequency continuous wave radio energy is transmitted
backscatterer Continuous-wave radar (CW radar) is a type of radar system in which radio energy of a known stable frequency is transmitted continuously and then
Continuous-wave_radar
Device that emits light via optical amplification
time. Such a laser is known as a continuous-wave (CW) laser. Many types of lasers can be made to operate in continuous-wave mode to satisfy such an application
Laser
Type of missile guidance system
active radar transceiver). Semi-active missile systems use bistatic continuous-wave radar. The NATO brevity code for a semi-active radar homing missile
Semi-active_radar_homing
Alternative Morse code transmission technique
Modulated continuous wave (MCW) is Morse code telegraphy transmitted using an audio tone to modulate a carrier wave. Continuous wave (CW), by contrast
Modulated_continuous_wave
Method of communication by radio waves
telegraphy or radiotelegraphy, commonly called CW (continuous wave), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by
Wireless_telegraphy
Type of laser
typically a few meters. Ti:sapphire oscillators are normally pumped with a continuous-wave laser beam from an argon or frequency-doubled Nd:YVO4 laser. Typically
Titanium-sapphire_laser
Form of gas laser
useful types of laser. Carbon-dioxide lasers are the highest-power continuous-wave lasers that are currently available. They are also quite efficient:
Carbon-dioxide_laser
Ultrasound imaging of the movement of tissues and body fluids using the Doppler effect
of change of phase). The major advantage of pulsed wave Doppler (PW Doppler) over continuous wave (CW Doppler) is that distance information is obtained
Doppler_ultrasonography
Laser source with equal intervals of spectral lines
including periodic modulation (in amplitude and/or phase) of a continuous-wave laser, four-wave mixing in nonlinear media, or stabilization of the pulse train
Frequency_comb
Optical technique for monitoring brain activity
clinical medicine, developmental psychology, and applied research. Continuous wave (CW) system uses light sources with constant frequency and amplitude
Functional near-infrared spectroscopy
Functional_near-infrared_spectroscopy
Type of radio transmitter
series of brief transient pulses of radio waves called damped waves; they are unable to produce the continuous waves used to carry audio (sound) in modern
Spark-gap_transmitter
Electronic device that emits radio waves
came into use after the turn of the century, which were the first continuous wave transmitters: the arc converter (Poulsen arc) in 1904 and the Alexanderson
Transmitter
Electronic method of transmitting information with a carrier wave
Morse code where it is known as continuous wave (CW) operation, even though the transmission is not strictly "continuous". A more complex form of AM, quadrature
Amplitude_modulation
Type of amplitude-shift keying modulation
to transmit Morse code over radio frequencies (referred to as CW (continuous wave) operation), although in principle any digital encoding scheme may
On–off_keying
American surface-to-air missile family
greatly improved over Nike through the adoption of new radars and a continuous wave semi-active radar homing guidance system. It entered service with the
MIM-23_Hawk
Type of radar equipment
effect. Radars may be: Coherent pulsed (CP), Pulse-Doppler radar, Continuous wave (CW), or Frequency modulation (FM). Doppler allows the use of narrow
Doppler_radar
Topics referred to by the same term
Look up continuity, continuous, continuously, or continuousness in Wiktionary, the free dictionary. Continuity or continuous may refer to: Continuity (mathematics)
Continuity
Medical device for auscultation
"Cardiac auscultation: preliminary findings of a pilot study using continuous Wave Doppler and comparison with classic auscultation". International Journal
Stethoscope
sine waves" and produced "a continuous train of radiant waves of substantially uniform strength", or, in modern terminology, a continuous-wave (CW) transmitter
History_of_radio
Synchronized action by a stadium audience
sport field, and so the wave is able to travel continuously around the arena; in discontiguous seating arrangements, the wave can instead reflect back
Wave_(audience)
Non-commercial use of the radio spectrum
radio equipment. Radiotelegraphy using International Morse code, or Continuous Wave (CW), is one of the oldest modes in amateur radio. Although largely
Amateur_radio
Medical imaging technique of the heart
included) from the different windows. These can be combined with pulse wave or continuous wave Doppler to visualize the velocity of blood flow through the left
Echocardiography
Range imaging camera system
of the vehicle’s distance and angle relative to the camera. In some continuous-wave ToF systems, depth images captured over successive time intervals are
Time-of-flight_camera
British surface-to-air missile system
Hercules in terms of range and performance, but using an advanced continuous-wave semi-active radar homing system, offering excellent performance against
Bloodhound_(missile)
Laser that obtains energy from chemical reactions
obtains its energy from a chemical reaction. Chemical lasers can reach continuous wave output with power reaching to megawatt levels. They are used in industry
Chemical_laser
Type of spark gap modulation
resources, the use of damped wave transmission has been prohibited by international regulations since 1934. Continuous wave Damping ratio On-off keying
Damped wave (radio transmission)
Damped_wave_(radio_transmission)
Semiconductor laser
low threshold current density at 300 K and thereby to demonstrate continuous-wave lasing at room temperature from a diode laser. The first diode lasers
Laser_diode
Object detection system using radio waves
and processor to determine properties of the objects. Radio waves (pulsed or continuous) from the transmitter reflect off the objects and return to the
Radar
Emission of electrons when electromagnetic radiation hits a material
energy accumulated over time from a continuous wave, Albert Einstein proposed that a beam of light is not a wave propagating through space, but discrete
Photoelectric_effect
Dynamic disturbance in a medium or field
The amplitude of a wave may be constant (in which case the wave is a c.w. or continuous wave), or may be modulated so as to vary with time and/or position
Wave
Welding technique
precision of the welding process. Pulsed-laser welding has advantages over continuous wave (CW) laser welding. Some of these advantages are lower porosity and
Laser_beam_welding
Geophysical method that uses radar pulses to image the subsurface
amount of soil water. The first patent for a system designed to use continuous-wave radar to locate buried objects was submitted by Gotthelf Leimbach and
Ground-penetrating_radar
Stealth missile destroyer class of the US Navy
engagements, the SPY-3 will generate Interrupted Continuous Wave Illumination (ICWI) rather than the Continuous Wave Illumination of the AN/SPG-62 fire-control
Zumwalt-class_destroyer
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
Radio broadcasting using amplitude modulation
sine waves" and produced "a continuous train of radiant waves of substantially uniform strength", or, in modern terminology, a continuous-wave (CW) transmitter
AM_broadcasting
Canadian-American electrical engineer and inventor (1866–1932)
sine waves" and produced "a continuous train of radiant waves of substantially uniform strength", or, in modern terminology, a continuous-wave (CW) transmitter
Reginald_Fessenden
Biological electricity-related abilities
The field may be in brief pulses, as in the elephantfishes, or a continuous wave, as in the knifefishes. Some strongly electric fish, such as the electric
Electroreception and electrogenesis
Electroreception_and_electrogenesis
machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying
List_of_amateur_radio_modes
Spectroscopy based on time- or space-domain data
coherence of the light (see: field-autocorrelation), including the continuous-wave and the pulsed Fourier-transform spectrometer or Fourier-transform
Fourier-transform spectroscopy
Fourier-transform_spectroscopy
Microwave radio frequency band from 8–12 GHz
computer networks. X band is used in radar applications, including continuous-wave, pulsed, single-polarization, dual-polarization, synthetic aperture
X_band
Non-sinusoidal waveform
shape. It is a periodic, piecewise linear, continuous real function. Like a square wave, the triangle wave contains only odd harmonics. However, the higher
Triangle_wave
Laser which emits light with blue wavelengths
ESD failures. Semiconductor lasers can be either driven by pulses or continuous wave operation. Semiconductor lasers may be configured to emit photons either
Blue_laser
Spectroscopic technique based on change of nuclear spin state
during application of the relatively weak RF field in old-fashioned continuous-wave NMR, or after the relatively strong RF pulse in modern pulsed NMR.[citation
Nuclear_magnetic_resonance
Optical frequency combs
frequency combs) are optical frequency combs which are generated from a continuous wave pump laser by the Kerr nonlinearity. This coherent conversion of the
Kerr_frequency_comb
Defines Allied Military brevity codes
of radio telegraphy for use by radio operators using Morse Code on continuous wave (CW) telegraphy. It became especially useful, and even essential, to
ACP_131
Listening to the internal sounds of the body, usually using a stethoscope
- Compilation of 100+ Heart and Lung Sounds and Phonocardiograms Wave Doppler Auscultation - Cardiac Continuous Wave Doppler audio and video examples
Auscultation
Process by which a quantum system takes on a definitive state
in time; the other is the continuous evolution governed by the Schrödinger equation. In the Copenhagen interpretation, wave function collapse connects
Wave_function_collapse
Digital audio effect
the digital (discrete) signal will exactly represent the analog (continuous-wave) source, except for the distortion of quantization noise resulting
Bitcrusher
Non-mathematical introduction
above visible colors are infrared light, which also gives off heat. Continuous wave theories of light and matter cannot explain the black-body radiation
Introduction to quantum mechanics
Introduction_to_quantum_mechanics
Spectral linewidth of a laser beam
making the reasonable approximations that their ammonia maser is a true continuous-wave (CW) maser, is a true four-level maser, and exhibits no intrinsic resonator
Laser_linewidth
Type of radar system
target object's velocity. It combines the features of pulse radars and continuous-wave radars, which were formerly separate due to the complexity of the electronics
Pulse-Doppler_radar
then latest technology continuous wave (CW) transmissions could be demodulated. Previously only spark, interrupted continuous wave (ICW, signals which were
Autodyne
Method of detecting gravitational waves
corrections are continuously applied to keep it in the optimal configuration. The signal induced by a potential gravitational wave is thus "embedded"
Ground-based interferometric gravitational-wave search
Ground-based_interferometric_gravitational-wave_search
Equipment using an organic dye to emit coherent light
shift is the difference between the pump wavelength and the output. Continuous-wave (CW) dye lasers often use a dye jet. CW dye-lasers can have a linear
Dye_laser
Signal processing technique
direct-conversion receiver or beat receiver as a method of making continuous wave radiotelegraphy signals audible. Fessenden's receiver did not see much
Heterodyne
Naval continuous wave fire-control radar
The AN/SPG-62 is a continuous wave fire-control radar developed by the United States, and it is currently deployed on warships equipped with the Aegis
AN/SPG-62
Source of optical gain in a laser
\end{aligned}}} In many cases the gain medium works in a continuous-wave or quasi-continuous regime, causing the time derivatives of populations to be
Active_laser_medium
Electromechanical apparatus for generating electric musical notes
pre–vacuum-tube radio receivers as a beat frequency oscillator (BFO) to make continuous wave radiotelegraphy (Morse code) signals audible. The tonewheel assembly
Tonewheel
High-frequency AC generator for radio transmission
transmitter. It was one of the first devices capable of generating the continuous radio waves needed for transmission of amplitude modulated (AM) signals by radio
Alexanderson_alternator
Needle-free medical injection syringe
jet ejection and a laser-based heating system. A continuous laser beam – also called a continuous-wave laser – heats the liquid to be administered, which
Jet_injector
Laser mode-locking method
differently from continuous waves. To favor the pulsed mode over continuous-wave, the cavity could be made unstable for continuous-wave operation, but more
Kerr-lens_modelocking
Method of spatial measurement using laser
pulsed and continuous wave systems are being used. Pulsed systems use signal timing to obtain vertical distance resolution, whereas continuous wave systems
Lidar
Technique to study materials that have unpaired electrons
spectrum. The latter is the most common way to record and publish continuous wave EPR spectra. For the microwave frequency of 9388.4 MHz, the predicted
Electron paramagnetic resonance
Electron_paramagnetic_resonance
European standard for laser eye protection
More precisely, the safety glasses should be able to withstand a continuous wave laser for 5 seconds, or 50 pulses for a pulsed laser (EN 207:2017)
EN_207
Italian radio-frequency engineer and inventor (1874–1937)
after it was apparent that the future of radio communication lay with continuous-wave transmissions, which were more efficient and could be used for audio
Guglielmo_Marconi
U.S. Navy surface-to-air missile (1955–1979)
antennas surrounding the nose were SARH receivers, which functioned as a continuous wave interferometer. A solid rocket booster provided thrust for launch and
RIM-8_Talos
American physical chemist (born 1929)
1929) is an American physical chemist who developed a room-temperature continuous wave semiconductor laser in 1970 with Izuo Hayashi. Panish and Hayashi shared
Morton_B._Panish
Data communications modulation protocol
equal length. The intent was to minimize transmission time. Some early Continuous Wave (CW) transmitters employed an arc converter that could not be conveniently
Frequency-shift_keying
Optical instrument
mid-infrared spectral range, achieving high power, above room-temperature, continuous wave emission. In 1998 GaAs/AlGaAs QCLs were demonstrated by Sirtori et
Quantum-cascade_laser
Molecule investigation technique
and frequency-domain terahertz spectroscopy (THz-FDS), which uses continuous-wave radiation and sweeps frequency. THz-TDS provides broadband access to
Terahertz_spectroscopy
circular-grain wave spring. It replaces a stack of belleville washers where a high but accurate force is needed. a type of continuous wave-formed wire length
Wave_spring
Signal processing technique
are used in frequency modulated continuous wave radars (FM-CW) to measure range (distance); an unmodulated continuous wave Doppler radar can only measure
Chirp_spread_spectrum
Type of gas laser
wavelengths. Common argon and krypton lasers are capable of emitting continuous-wave (CW) output of several milliwatts to tens of watts. Their tubes are
Ion_laser
Mathematical description of quantum state
When a system has internal degrees of freedom, the wave function at each point in the continuous degrees of freedom (e.g., a point in space) assigns
Wave_function
1977 narrowband radio signal from SETI
for the experiment. The signal itself appeared to be an unmodulated continuous wave, although any modulation with a period of less than 10 seconds or longer
Wow!_signal
Technology for measuring surface waves on water
transmitter waveform may be either unmodulated continuous wave, modulated or pulsed. An unmodulated continuous wave radar has no range resolution, but can resolve
Wave_radar
Interpretation of quantum mechanics
particles as singularities of waves in 3 dimensional space with the motion of the particles determined by another, continuous, wave matching the one in Schrodinger's
De_Broglie–Bohm_theory
British surface-to-air missile
components with the RAF's Bristol Bloodhound, Thunderbird featured a continuous-wave radar semi-active homing system that was highly resistant to radar
Thunderbird_(missile)
Type of laser
other gain media can be used to construct Raman lasers: The first continuous-wave Raman laser using an optical fiber as the gain medium was demonstrated
Raman_laser
Laser pulsing technique
than would be produced by the same laser if it were operating in a continuous wave (constant output) mode. Compared to mode locking, another technique
Q-switching
Tracked medium-range surface-to-air missile system
25 kW G/H band radar (with a range of 75 km (47 mi)) equipped with a continuous wave illuminator, in addition to an optical sight. The battery usually also
2K12_Kub
Limit at which an optical material will be damaged by a laser
destruction of a material is the intended outcome. For long pulses or continuous wave lasers the primary damage mechanism tends to be thermal. Since both
Laser_damage_threshold
Technology that uses a laser to cut materials
being cut. Most industrial lasers have the ability to pulse or cut CW (continuous wave) under NC (numerical control) program control. Double pulse lasers
Laser_cutting
physical vapor deposition technique that utilizes irradiation from continuous-wave lasers to heat sources locally for growing films on a substrate. This
Thermal_laser_epitaxy
Use of radio waves for communication
primitive radio transmitters could only transmit pulses of radio waves, not the continuous waves which were needed for audio modulation, so radio was used for
Radio
Measuring device
A second limitation for hand-held devices is that they have to use continuous-wave radar to make them light enough to be mobile. Speed measurements are
Radar_speed_gun
Process that removes material from an object by heating it with a laser
with a pulsed laser, but it is possible to ablate material with a continuous wave laser beam if the laser intensity is high enough. While relatively
Laser_ablation
Narrowly focused radar beam whose reflected signal is used to obtain a missile lock-on
fire-control radars currently in use by the United States Navy: Mk 95 — Continuous Wave Illuminator (NATO Sea sparrow Surface Missile System) Mk 92 — Combined
Fire-control_radar
equipment. W/T Set 120 Watt - Continuous Wave (CW) Wireless Teletype set introduced in 1918. W/T Set "A" - Continuous Wave (CW) Wireless Teletype set introduced
List of British Army radio sets
List_of_British_Army_radio_sets
Engraving objects using lasers
materials. Due to their thermal conductivity, pulsed, rather than continuous wave lasers, are preferred in laser engraving applications. High peak power
Laser_engraving
Variety of spark transmitter
By 1903, Poulsen and Peder Oluf Pedersen had developed a workable continuous wave radio system for telephony and telegraphy. A syndicate was formed in
Arc_converter
Crystal used as a lasing medium for solid-state lasers
neodymium dopant in the material varies according to its use. For continuous wave output, the doping is significantly lower than for pulsed lasers. The
Nd:YAG_laser
Sound waves with frequencies above the human hearing range
inside a vessel or tube or that may be clogged by the product. Both continuous wave and pulsed systems are used. The principle behind a pulsed-ultrasonic
Ultrasound
Mathematical transform that expresses a function of time as a function of frequency
]}\end{aligned}}} satisfies the wave equation for arbitrary a+, a−, b+, b−. This integral may be interpreted as a continuous linear combination of solutions
Fourier_transform
Anti-aircraft missile system
nine MIM-46 missiles in launch canisters, a tracking and illumination continuous wave radar, and the fire control system. An ambitious design for its era
MIM-46_Mauler
Function with a repeating pattern
periodicity Amplitude – Measure of change in a periodic variable Continuous wave – Electromagnetic wave that is not pulsed Definite pitch – Easily discernible pitch
Periodic_function
the Naval Research Laboratory and other institutions. ICLs lasing in continuous wave (cw) mode at room temperature were first demonstrated in 2008. This
Interband_cascade_laser
Directed energy weapon
megawatt of output for up to 70 seconds, making it the most powerful continuous wave (CW) laser in the US. Its original goal was to be able to track and
MIRACL
Airborne all-weather multi-mode X-band pulse-Doppler radar
program. The AN/AWG-9 offers multiple air-to-air modes: long-range continuous-wave radar velocity search, range-while-search at shorter ranges, and an
AN/AWG-9
CONTINUOUS WAVE
CONTINUOUS WAVE
Boy/Male
Tamil
Continuous
Girl/Female
Hindu, Indian
Continuous
Girl/Female
Tamil
Continuous, Younger sister
Boy/Male
Gujarati, Hindu, Indian
Continuous
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Continuous
Boy/Male
Indian
Continuous; Without Break
Girl/Female
Indian
Continuous, Younger sister
Girl/Female
Indian
Continuous, Younger sister
Boy/Male
Hindu
Ever lasting, Continuous, Eternal
Boy/Male
Gujarati, Hindu, Indian, Marathi, Sanskrit
Continuous; Ongoing
Boy/Male
Tamil
Ever lasting, Continuous, Eternal
Boy/Male
Tamil
Continuous
Girl/Female
Hindu, Indian, Marathi, Tamil, Telugu
Continuous Flow
Boy/Male
Hindu, Indian, Marathi
Continuous Extended
Boy/Male
Tamil
Ever lasting, Continuous, Eternal
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Continuous
Girl/Female
Tamil
Continuous, Younger sister
Boy/Male
Hindu
Ever lasting, Continuous, Eternal
Boy/Male
Tamil
Continuous
Boy/Male
Hindu
Continuous
CONTINUOUS WAVE
CONTINUOUS WAVE
Girl/Female
Indian
Light, Look, View
Biblical
Malchom, their king; their counselor
Boy/Male
Tamil
Eternal
Girl/Female
Hindu
Virtuous, Good, Beautiful, Beautiful
Boy/Male
Muslim
Abundance
Boy/Male
Indian
Excellent, Distinguished, Precious
Girl/Female
Hebrew
Bitter.
Girl/Female
English
Modern; combination of Jocelyn and the musical term jazz.
Boy/Male
Indian, Sikh
Like God
Girl/Female
Irish
Irish form of Jane “God is gracious.â€
CONTINUOUS WAVE
CONTINUOUS WAVE
CONTINUOUS WAVE
CONTINUOUS WAVE
CONTINUOUS WAVE
a.
Contiguous.
a.
Without break, cessation, or interruption; without intervening space or time; uninterrupted; unbroken; continual; unceasing; constant; continued; protracted; extended; as, a continuous line of railroad; a continuous current of electricity.
n.
Continuous growth; an accretion.
n.
A continuous fever.
n.
A continuous noise or murmur.
a.
Having the nasal bones contiguous.
v. i.
To engage in continuous thought; to think.
adv.
In a continuous maner; without interruption.
v. i.
A continuous course, process, or progress; a connected or continuous series; as, the passage of time.
a.
Contiguous.
a.
Characterized by concinnity; neat; elegant.
a.
In actual contact; touching; also, adjacent; near; neighboring; adjoining.
a.
Contiguous; touching.
a.
Not deviating or varying from uninformity; not interrupted; not joined or articulated.
n.
A continuous line or surface; a continuous space of time; as, grassy stretches of land.
a.
Touching; bordering; contiguous.
n.
Basso continuo, or continued bass.
adv.
Continuously.
a.
Not continuous; interrupted; broken off.
n.
Thread; continuous line.