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See searches and references containing PHASE MODULATION!PHASE MODULATION
Electronic method of transmitting information with a carrier wave
instantaneous phase of a carrier wave. Phase modulation is one of the two principal forms of angle modulation, together with frequency modulation. In phase modulation
Phase_modulation
Method for modulation of data
Continuous phase modulation (CPM) is a method for modulation of data commonly used in wireless modems. In contrast to other coherent digital phase modulation techniques
Continuous_phase_modulation
Process of varying one or more properties of a periodic waveform
is a pseudo-analog modulation (AM). Where an AM carrier also carries a phase variable phase f(ǿ). TM is f(AM,ǿ) In digital modulation, an analog carrier
Signal_modulation
Nonlinear optical effect of light-matter interaction
Self-phase modulation (SPM) is a nonlinear optical effect of light–matter interaction. An ultrashort pulse of light, when travelling in a medium, will
Self-phase_modulation
Family of digital modulation methods
(modulating) the amplitudes of two differently phased versions of a single carrier wave using amplitude modulation. These paired analog signal channels may
Quadrature amplitude modulation
Quadrature_amplitude_modulation
Electronic method of transmitting information with a carrier wave
angle modulation, in which either the frequency of the carrier wave is varied, as in frequency modulation, or its phase, as in phase modulation. AM was
Amplitude_modulation
Type of data encoding
Phase-shift keying (PSK) is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency carrier wave. The
Phase-shift_keying
Cross-phase modulation (XPM) is a nonlinear optical effect where one wavelength of light can affect the phase of another wavelength of light through the
Cross-phase_modulation
Electronic method of transmitting information with a carrier wave
modulation; phase modulation is often used as an intermediate step to achieve frequency modulation. These methods contrast with amplitude modulation,
Frequency_modulation
Mathematical technique for manipulating signals
with modulation can be decomposed into, or synthesized from, two amplitude-modulated sinusoids that are in quadrature phase, i.e., with a phase offset
In-phase and quadrature components
In-phase_and_quadrature_components
Type of optical device
modulate a beam of light. The modulation may be imposed on the phase, frequency, amplitude, or polarization of the beam. Modulation bandwidths extending into
Electro-optic_modulator
Form of sound synthesis
on phase modulation, but the results end up being equivalent mathematically as both are essentially a special case of quadrature amplitude modulation[citation
Frequency modulation synthesis
Frequency_modulation_synthesis
Branch of physics
with potential energy transfer. Cross-phase modulation (XPM), where one wavelength of light can affect the phase of another wavelength of light through
Nonlinear_optics
German longwave time signal radio station
electrical detuning of the antenna resonance circuit and hence a measurable phase modulation of the received signal. When the maladjustment is too large, the transmitter
DCF77
Electronic method of transmitting information with a carrier wave
communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of signal modulation used to transmit information
Single-sideband_modulation
Electronic method of transmitting information with a carrier wave
The class comprises frequency modulation (FM) and phase modulation (PM), and is based on altering the frequency or the phase, respectively, of a carrier
Angle_modulation
American longwave time signal radio station
idea, adding phase modulation to the WWVB carrier, in 2012. This requires no additional transmitters or antennas, and phase modulation had already been
WWVB
French longwave time signal radio station
transmitted by phase-modulating the carrier by ±1 radian in 0.1 s every second except the 59th second of each minute. This modulation pattern is repeated
ALS162_time_signal
Electronic sound synthesis method
method Interactive phase distortion is much more similar to the aforementioned phase modulation, rather than a direct evolution of phase distortion; see
Phase_distortion_synthesis
Modulation allowing for multiple signals on a line
considering quadrature modulation, the x axis is called the I (in-phase) axis, and the y axis is called the Q (quadrature) axis. Polar modulation makes use of polar
Polar_modulation
Measure of frequency stability in clocks and oscillators
In order to address the inability to separate white phase modulation from flicker phase modulation using traditional Allan variance estimators, an algorithmic
Allan_variance
Delays experienced through a linear time-invariant system
to achieve than a flat phase delay. In an angle-modulation system—such as with frequency modulation (FM) or phase modulation (PM)—the (FM or PM) passband
Group_delay_and_phase_delay
Device which extracts info from a modulated radio frequency current or voltage
superseded by vacuum tube technology. After the invention of amplitude modulation (AM) enabled the development of AM radiotelephony, the transmission of
Detector_(radio)
Form of signal modulation using time shifts
Pulse-position modulation (PPM) is a form of signal modulation in which M message bits are encoded by transmitting a single pulse in one of 2 M {\displaystyle
Pulse-position_modulation
Characteristic of an optical system
full modulation from black to white. The 'modulation transfer function' (just a term for the magnitude of the optical transfer function with phase ignored)
Optical_transfer_function
Phase-jitter modulation (PJM) is a modulation method specifically designed to meet the unique requirements of passive RFID tags. It has been adopted by
Phase-jitter_modulation
Algorithm on pulse-width modulation
Space vector modulation (SVM) is an algorithm for the control of pulse-width modulation (PWM), invented by Gerhard Pfaff, Alois Weschta, and Albert Wick
Space_vector_modulation
Non-linear optical imaging modality
modulates the phase of the probe, which can then be measured through interferometric techniques. In certain cases, referred to as cross-phase modulation spectral
Pump–probe_microscopy
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
Quantum states light can be in
depth) of the amplitude modulation and Y f , Δ f {\displaystyle Y_{f,\Delta f}} the amplitude (or depth) of the phase modulation in the respective frequency
Squeezed_states_of_light
Index of articles associated with the same name
is defined differently in each modulation scheme. Amplitude modulation index Frequency modulation index Phase modulation index This set index article includes
Modulation_index
continuous phase modulation 3-PSK can be seen as falling between "binary phase-shift keying" (BPSK), which uses two phases, and "quadrature phase-shift keying"
Ternary_signal
signals have the same amplitude but different phases. QAM uses both amplitude and phase modulations. This type of transmission results in reduced channel
M-ary_transmission
Variable bandwidth variant of Allan variance
drawback in that it is unable to separate the white phase modulation (WPM) from the flicker phase modulation (FPM). Looking at their response to Power-law noise
Modified_Allan_variance
Type of amplitude modulation lacking a carrier
Carrierless amplitude phase modulation (CAP) is a variant of quadrature amplitude modulation (QAM). Instead of modulating the amplitude of two carrier
Carrierless amplitude phase modulation
Carrierless_amplitude_phase_modulation
Pattern used within a communications system to represent digital data
frequency modulation, Miller encoding and delay encoding Non-return-to-zero (NRZ) Non-return-to-zero, inverted (NRZI) Pulse-position modulation (PPM) Return-to-zero
Line_code
Wireless technique of sending and receiving messages through water
channel than others. Some of the modulation methods used for UAC are as follows: Frequency-shift keying (FSK) Phase-shift keying (PSK) Frequency-hopping
Underwater acoustic communication
Underwater_acoustic_communication
Type of continuous-phase frequency-shift keying
In digital modulation, minimum-shift keying (MSK) is a type of continuous-phase frequency-shift keying that was developed in the late 1950s by Collins
Minimum-shift_keying
Light-stabilizing technique
E0eiωt. If this light is then phase-modulated by βsin(ωmt), where ωm is the modulation frequency and β is the modulation depth, the resulting field Ei
Pound–Drever–Hall_technique
Signal representation
representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase-shift keying. It displays the signal as a
Constellation_diagram
Oscillator with frequency controlled by a voltage input
frequency modulation (FM) or phase modulation (PM) by applying a modulating signal to the control input. A VCO is also an integral part of a phase-locked
Voltage-controlled_oscillator
Four-stage model of physiological responses to sexual stimulation
sexual response cycle model. The excitement phase (also known as the arousal phase or initial excitement phase) is the first stage of the human sexual response
Human_sexual_response_cycle
Imaging technique based on fluorescence
determined from the modulation ratio of these y-components. Hence, 2 values for the lifetime can be determined from the phase-modulation method. The lifetimes
Fluorescence-lifetime imaging microscopy
Fluorescence-lifetime_imaging_microscopy
Topics referred to by the same term
mine, Bulgaria PM-1, PM-2A, PM-3A, US Army portable nuclear reactors Phase modulation, in signal processing Polarization-maintaining optical fiber or PM
PM
Method for multiplexing signals
Polarization-division multiplexing is typically used together with phase modulation or optical QAM, allowing transmission speeds of 100 Gbit/s or more
Polarization-division multiplexing
Polarization-division_multiplexing
Concept in optics
harmonic generation cross-phase modulation and induced phase modulation. Indeed, efforts were made to explain why self-phase modulation might well result in
Supercontinuum
Digital modulation scheme
Amplitude and phase-shift keying (APSK) is a digital modulation scheme that conveys data by modulating both the amplitude and the phase of a carrier wave
Amplitude and phase-shift keying
Amplitude_and_phase-shift_keying
Synthesizer released in 1995
synthesis methods encompassing nine oscillator types: analog, variable phase modulation, brass, reed, and plucked string modelling, noise with comb filtering
Korg_Prophecy
Overview article
modulated, thin, transmission hologram, or a phase modulated, volume, reflection hologram. An amplitude modulation hologram is one where the amplitude of light
Physics_of_optical_holography
Swedish audio editing software
saying that it had "aged considerably" compared to its competition. Phase offset modulation, a technique popularized by Reason, works by overlaying two instances
Reason_(software)
Antenna based on the concept of Fresnel zone
Fresnel zone antennas are antennas that focus the signal by using the phase shifting property of the antenna surface or its shape. There are several types
Fresnel_zone_antenna
Term in optics
are based on the same principle: the Kerr effect introduces a self-phase modulation that changes the refractive index according to the intensity: φ ( x
Soliton_(optics)
Optical device
purpose of the SLM is to control and adjust the amplitude of the light. Phase modulation can be achieved using a DMD by using Lee holography techniques, or
Spatial_light_modulator
Change in refractive index of a material in response to an applied electric field
for the nonlinear optical effects of self-focusing, self-phase modulation and modulational instability, and is the basis for Kerr-lens modelocking. This
Kerr_effect
Angle modulation is the proper term for modulation by changing the instantaneous frequency or phase of the carrier signal. True FM and phase modulation are
Radio_transmitter_design
Photonic systems which use silicon as an optical medium
vary the intensity and/or the phase of the optical carrier. In silicon photonics, a common technique to achieve modulation is to vary the density of free
Silicon_photonics
Non-commercial use of the radio spectrum
suppressed carrier (DSB-SC) Frequency modulation (FM) Independent sideband (ISB) Single sideband (SSB) Phase modulation (PM) Amateur television (ATV), also
Amateur_radio
Radar systems used to study the interaction between the Sun and the Earth
12.5% duty cycle and 1 μs – 10 ms pulse length with frequency and phase modulation capability. And the VHF radar that operates in the 224 MHz band with
EISCAT
Way to produce very short laser bursts
dissipative because of the dissipative nature of the amplitude modulation; otherwise, the phase modulation would not work. This process can also be considered in
Mode_locking
Complex number representing a particular sine wave
two modulation phasors are phased such that their vector sum is always in phase with the carrier phasor. An alternative representation is two phasors counter
Phasor
Clock which synchronizes its time using radio transmitters
in addition to the normal programme signal modulation. The data signal is conveyed by phase-modulation of the carrier "New timecode on Poland's 225
Radio_clock
addressing information by periodically inverting the phase of the wobble signal (bi-phase modulation) to encode an exact address of the location on the
Wobble_frequency
sideband transmission, also called amplitude modulation equivalent (AME) Frequency modulation (FM) Phase modulation (PM) Digital voice modes encode speech into
List_of_amateur_radio_modes
necessary result of modulation in both FM and phase modulation. Allan variance Clock drift Phase noise Automatic frequency control (AFC) Phase-locked loop (PLL)
Frequency_drift
Transmitting information with a carrier wave
with varying power levels and phase shifts. These signals combine in the airspace to create a pattern of varying modulation depths that correspond to different
Space_modulation
Synthesizer
various calculation algorithms—namely, phase modulation, amplitude modulation, additive synthesis, and frequency modulation (FM)—and from the very start, the
Yamaha_DX7
Type of wave pulse
product is different. The duration-bandwidth product is minimal for zero phase-modulation. For example, s e c h 2 {\displaystyle \mathrm {sech^{2}} } pulses
Bandwidth-limited_pulse
Electronic devices that generate electronic signals
often include some sort of modulation function such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM) as well as a second
Signal_generator
Digital signal generator
truncated to span a reasonable memory space. Truncation of the phase word causes phase modulation of the output sinusoid, which introduces non-harmonic distortion
Numerically controlled oscillator
Numerically_controlled_oscillator
Synthesizer released in 1997
modelling synthesis, analog modelling synthesis, and Korg's variable phase modulation (VPM) synthesis. Some of the various synthesis algorithms can be combined
Korg_Z1
British tactical radio system
Where the use of VHF was not practical, HF sets using narrow band phase modulation (NBPhM) were developed as the only practical method at the time of
Larkspur_radio_system
Phenomenon in nonlinear optics
frequencies are typically attributed to self-phase modulation and cross-phase modulation, and are naturally phase-matched unlike FWM. Two common forms of four-wave
Four-wave_mixing
Process of extracting the original information-bearing signal from a carrier wave
signal modulated with an angular modulation, we must use a frequency modulation (FM) demodulator or a phase modulation (PM) demodulator. Different kinds
Demodulation
Software-defined radio
amplitude-shift keying (ASK), frequency-shift keying (FSK), phase shift keying (PSK), continuous phase modulation (CPM), gaussian minimum-shift keying (GMSK) Sensitivity
AN/PRC-117
Technology of power electronics
methods that are generally accepted are ON/OFF Control, Phase-Angle Control, and Pulse-Width Modulation AC Chopper Control (PWM AC Chopper Control). All three
Power_electronics
Electronic systems with a continuously variable signal
information, frequency modulation (FM) changes the frequency. Other techniques, such as phase modulation or changing the phase of the carrier signal,
Analogue_electronics
Rate of modulation of a digital signal
In a digitally modulated signal or a line code, symbol rate, modulation rate or baud rate is the number of symbol changes, waveform changes, or signaling
Symbol_rate
Sound card
The Korg OASYS PCI is a DSP-based PCI-card for PC and Mac released in 1999. It offers many synthesizer engines from sampling and substractive to FM and
Korg_OASYS_PCI
1982 film by Steven Lisberger
synthesizer and Crumar's GDS digital synthesizer (complex additive and phase modulation synthesis), along with non-electronic pieces performed by the London
Tron
processes like self-phase modulation (SPM), modulational instability, soliton generation and soliton fission, cross phase modulation (XPM) and others. All
Zero-dispersion_wavelength
Phase-locked loop-based demodulator circuit
Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g. double-sideband
Costas_loop
Integral transform and linear operator
\cos(\omega t+\varphi _{m}(t))} is called angle modulation, which includes both phase modulation and frequency modulation. The instantaneous frequency is ω +
Hilbert_transform
Type of two-way radio service
following five frequencies: Channels 1–3 must use "narrowband" frequency modulation (2.5 kHz deviation; 11.25 kHz bandwidth). Channels 4 and 5 may use either
Multi-Use_Radio_Service
Computation of radiowave attenuation in the atmosphere Continuous phase modulation Continuous wave Convective heat transfer Coriolis frequency Coronal
Index_of_wave_articles
The Modulation sphere or M-space formulation is a scheme or theory representing the system of effects of phase modulation and amplitude modulation as applied
Modulation_sphere
1985 novel by Carl Sagan
piece is found when billionaire S. R. Hadden suggests checking for phase modulation, revealing the primer. A U.S.–Soviet race to build the Machine ensues
Contact_(novel)
Type of device
categorized into amplitude modulators, phase modulators, polarization modulators, etc. The easiest way to obtain modulation of intensity of a light beam is to
Optical_modulator
Electromagnetic wave that is not pulsed
pulses soft, appearing more rounded, or to use other modulation methods (e.g. phase modulation). Certain types of power amplifiers used in transmission
Continuous_wave
All-optical regenerator used in optical communications
Pavel V. Mamyshev of Bell Labs proposed and patented the use of self-phase modulation (SPM) for single channel optical pulse reshaping and re-amplification
Mamyshev_2R_regenerator
Laser light source
generation even one octave wide (for example using nonlinear self-phase modulation in neon gas). Therefore, a subband can be selected and fairly short
Optical_parametric_amplifier
Property in optics
optical Kerr effect and causes phenomena such as self-focusing and self-phase modulation. If the index varies linearly with the field (a nontrivial linear coefficient
Refractive_index
Multimedia framework
loudness normalizer (loudnorm) Modulation Sinusoidal Amplitude Modulation (tremolo) Sinusoidal Phase Modulation (vibrato) Phaser (aphaser) Chorus (chorus)
FFmpeg
Laser source with equal intervals of spectral lines
obtaining an optical frequency comb, including periodic modulation (in amplitude and/or phase) of a continuous-wave laser, four-wave mixing in nonlinear
Frequency_comb
Office within NASA
spacecraft using S-band, X-band, and Ka-band. SN uses phase-shift keying and phase modulation of the carrier signal. The Space Network (used for near-Earth
Space Communications and Navigation Program
Space_Communications_and_Navigation_Program
Method for power limiting
phase-fired control simply switches off for a given phase angle of the input's modulation cycle. By triggering the device into conduction at a phase angle
Phase-fired_controller
Study of physics on quintillionth-second timescales
of high-energy pulses (e.g. gas-filled hollow-core fiber via self-phase modulation) (1996), mirror-dispersion-controlled technology (chirped mirrors)
Attosecond_physics
Electronic control system
A phase-locked loop (PLL) is a control system that generates an output signal whose phase is fixed relative to the phase of an input signal. Keeping the
Phase-locked_loop
Tracking and communication system developed by NASA and JPL
S-band system usually used phase modulation (PM). PM, like FM, has a constant amplitude (envelope) regardless of modulation. This allows nonlinear RF amplifiers
Unified_S-band
Quantum key distribution network
for example, a node based on phase-modulation through fiber could exchange keys with one based on polarization-modulation through the atmosphere. In fact
DARPA_Quantum_Network
Semi-modular software synthesizer
Wavetable, Wavescanning, Phase Modulation, Frequency Modulation, Pulse Width Modulation, Ring Modulation, Amplitude Modulation, Physical Modelling and
SynthMaster
PHASE MODULATION
PHASE MODULATION
Boy/Male
Hindu, Indian
Gods Prayer; Sanskrit Phrase
Boy/Male
American, Australian, British, Chinese, Christian, English, French
Huntsman; Hunter
Boy/Male
German
Chase; Hunt
Surname or Lastname
English
English : metonymic occupational name for a huntsman, or rather a nickname for an exceptionally skilled huntsman, from Middle English chase ‘hunt’ (Old French chasse, from chasser ‘to hunt’, Latin captare).Southern French : topographic name for someone who lived in or by a house, probably the occupier of the most distinguished house in the village, from a southern derivative of Latin casa ‘hut’, ‘cottage’, ‘cabin’.Thomas Chase came to MA from Chesham, Buckinghamshire, England, in the 1640s, and had many prominent descendants. Samuel Chase, born in Somerset Co., MD, in 1741, was one of the first members of the U.S. Supreme Court; Philander Chase, born in Cornish, NH, in 1741 was a prominent Episcopal clergyman, and his nephew Salmon Portland Chase (1808–73), also born in Cornish, was governor of OH, a U.S. senator, and secretary of the U.S. Treasury during the Civil War.
Girl/Female
Hindu
Art, Phases of Moon
Surname or Lastname
English
English : from Middle English pese ‘pea’, hence a metonymic occupational name for a grower or seller of peas, or a nickname for a small and insignificant person. The word was originally a collective singular (Old English peose, pise, from Latin pisa) from which the modern English vocabulary word pea is derived by folk etymology, the singular having been taken as a plural.Robert and John Pease came from Great Baddow, Essex, England, to Salem, MA, in 1634. In 1644 Robert died, leaving a son (also called Robert) who was apprenticed as a weaver in Salem. By 1646 John Pease was living on Martha’s Vineyard.
Girl/Female
Tamil
Phase, Time of day
Girl/Female
Tamil
Shashikala | ஷஷிகலா
Phases of Moon
Shashikala | ஷஷிகலா
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Phase; Time of Day
Girl/Female
Indian, Telugu
Phrase of Music
Boy/Male
English American
Huntsman.
Girl/Female
Indian, Telugu
A Phase of Life; Childhood
Male
French
French form of Latin Stephanus, STÉPHANE means "crown."
Girl/Female
Hindu
Art, Phases of Moon
Surname or Lastname
German
German : nickname for a swift runner or a timorous person, from Middle High German, Middle Low German hase ‘hare’.Jewish (Ashkenazic) : ornamental name from German Hase ‘hare’.English : from a Middle English nickname, Hase, from Old English hÄs ‘harsh, raucous, or hoarse voice’.Japanese : usually written with characters meaning ‘long valley’; habitational name from a place in Yamato (now Nara prefecture). Listed in the Shinsen shÅjiroku. Some bearers are descended from the Taira clan; they are found mainly in eastern Japan. Also pronounced Nagaya and Nagatani; the original pronunciation was Hatsuse, meaning ‘beginning of the strait’.
Male
English
Middle English surname (of Norman French origin) transferred to forename use, CHASE means "hunter."Â
Girl/Female
Tamil
Art, Phases of Moon
Girl/Female
Indian
Phases of Quran
Girl/Female
Hindu
Phases of Moon
Girl/Female
Tamil
Kala Devi | கலா தேவீ
Art, Phases of Moon
PHASE MODULATION
PHASE MODULATION
Boy/Male
Muslim
Slave of the bountiful
Boy/Male
Hindu, Indian
Silence
Boy/Male
Native American
Hairyrope.
Girl/Female
Gujarati, Hindu, Indian, Sanskrit
Faith; Trust
Girl/Female
Arabic
Aristocratic Lady
Girl/Female
English
Feminine manly.
Girl/Female
Hindu
Painting, Artist, Beautiful drawing
Girl/Female
Indian, Sikh
Lights of Happiness
Girl/Female
Muslim/Islamic
Desiring desirous
Biblical
This purchase, This lamentation
PHASE MODULATION
PHASE MODULATION
PHASE MODULATION
PHASE MODULATION
PHASE MODULATION
pl.
of Phase
v. i.
To group notes into phrases; as, he phrases well. See Phrase, n., 4.
pl.
of Pease
a.
Without a phase, or visible form.
n.
A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.
n.
Any one point or portion in a recurring series of changes, as in the changes of motion of one of the particles constituting a wave or vibration; one portion of a series of such changes, in distinction from a contrasted portion, as the portion on one side of a position of equilibrium, in contrast with that on the opposite side.
n.
The liberty or franchise of having a chase; free chase.
n.
A brief expression, sometimes a single word, but usually two or more words forming an expression by themselves, or being a portion of a sentence; as, an adverbial phrase.
v. t.
To chase.
pl.
of Pease
p. pr. & vb. n.
of Phrase
a.
Resembling prase.
v. t.
To follow as if to catch; to pursue; to compel to move on; to drive by following; to cause to fly; -- often with away or off; as, to chase the hens away.
n.
That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.
n.
Pulse; pease.
p. pr. & vb. n.
of Chase
v. i.
To give chase; to hunt; as, to chase around after a doctor.
imp. & p. p.
of Phrase
n.
See Phase.
n.
Any appearance or aspect of an object of mental apprehension or view; as, the problem has many phases.