A continuous wave or continuous waveform (CW) is an electromagnetic wave of constant amplitude and frequency, typically a sine wave, that for mathematical...
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about the backscatterer Continuous-wave radar (CW radar) is a type of radar system where a known stable frequency continuous wave radio energy is transmitted...
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Laser (redirect from Continuous wave laser)
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...
126 KB (14,010 words) - 04:25, 12 May 2025
Semi-active radar homing (redirect from Continuous wave illuminator)
active radar transceiver). Semi-active missile systems use bistatic continuous-wave radar. The NATO brevity code for a semi-active radar homing missile...
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Modulated continuous wave (MCW) is Morse code telegraphy transmitted using an audio tone to modulate a carrier wave. Continuous wave (CW), by contrast...
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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...
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Wireless telegraphy (redirect from Wave telegraphy)
telegraphy or radiotelegraphy, commonly called CW (continuous wave), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by...
41 KB (4,081 words) - 10:48, 12 May 2025
Doppler ultrasonography (redirect from Pulsed or Continuous wave Doppler ultrasound)
of change of phase). The major advantage of pulsed wave Doppler (PW Doppler) over continuous wave (CW Doppler) is that distance information is obtained...
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useful types of laser. Carbon-dioxide lasers are the highest-power continuous-wave lasers that are currently available. They are also quite efficient:...
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resources, the use of damped wave transmission has been prohibited by international regulations since 1934. Continuous wave Damping ratio On-off keying...
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Amplitude modulation (section Continuous waves)
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...
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Spark-gap transmitter (section Continuous waves)
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...
123 KB (13,130 words) - 00:48, 18 April 2025
Transmitter (redirect from Short-wave transmitter)
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...
23 KB (2,485 words) - 06:49, 4 April 2025
to transmit Morse code over radio frequencies (referred to as CW (continuous wave) operation), although in principle any digital encoding scheme may...
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three modalities of fNIR spectroscopy: 1. Continuous wave 2. Frequency domain 3. Time-domain Continuous wave (CW) system uses light sources with constant...
38 KB (4,423 words) - 22:41, 1 January 2025
radio receivers such as crystal radio receivers in order to receive continuous wave (CW) radiotelegraphy signals. In the early years of the 20th century...
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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...
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Continuity (redirect from Continuous)
of a dispersed phase evenly intermixed with a continuous phase a continuous wave, an electromagnetic wave of constant amplitude and frequency Continuity...
3 KB (347 words) - 07:07, 27 August 2024
effect. Radars may be: Coherent pulsed (CP), Pulse-Doppler radar, Continuous wave (CW), or Frequency modulation (FM). Doppler allows the use of narrow...
26 KB (3,269 words) - 01:34, 7 November 2024
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...
7 KB (928 words) - 05:58, 1 March 2025
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...
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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...
60 KB (6,915 words) - 05:31, 21 February 2025
transmitter waveform may be either unmodulated continuous wave, modulated or pulsed. An unmodulated continuous wave radar has no range resolution, but can resolve...
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differently from continuous waves. To favor the pulsed mode over continuous-wave, the cavity could be made unstable for continuous-wave operation, but more...
7 KB (1,061 words) - 21:09, 6 February 2022
physical vapor deposition technique that utilizes irradiation from continuous-wave lasers to heat sources locally for growing films on a substrate. This...
14 KB (1,518 words) - 23:38, 1 May 2025
machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying...
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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...
33 KB (4,372 words) - 14:49, 30 October 2024
sine waves" and produced "a continuous train of radiant waves of substantially uniform strength", or, in modern terminology, a continuous-wave (CW) transmitter...
61 KB (7,262 words) - 17:15, 13 May 2025
propagation directions are possible. Modeling the diffraction of a CW (continuous wave), monochromatic (single frequency) field involves the following steps:...
6 KB (764 words) - 23:43, 14 August 2023
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...
53 KB (6,463 words) - 01:40, 11 March 2025