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Digital modulation type
Higher-order modulation is a type of digital modulation usually with an order of 4 or higher. Common examples include quadrature phase-shift keying (QPSK)
Higher-order_modulation
Method for converting signals between digital and analog
Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is an oversampling method for encoding signals into low bit depth digital signals at a very high sample-frequency
Delta-sigma_modulation
3G mobile telecommunications protocols
its key features are shared channel and multi-code transmission, higher-order modulation, short Transmission Time Interval (TTI), fast link adaptation and
High_Speed_Packet_Access
Family of digital modulation methods
Quadrature amplitude modulation (QAM) is the name of a family of signal modulation methods widely used in modern telecommunications to transmit information
Quadrature amplitude modulation
Quadrature_amplitude_modulation
Mobile data technology for GSM networks
minimum-shift keying (GMSK), EDGE uses higher-order PSK/8 phase-shift keying (8PSK) for the upper five of its nine modulation and coding schemes. EDGE produces
EDGE_(telecommunication)
Electronic method of transmitting information with a carrier wave
Frequency modulation (FM) is a signal modulation technique used in electronic communication, originally for transmitting messages with a radio wave. In
Frequency_modulation
Topics referred to by the same term
K)} , the set of linear forms from a vector space to its field Higher-order modulation, in telecommunications Hong–Ou–Mandel effect in quantum optics
HOM
Wireless communication technique
aggregation allows Gigabit LTE. This is made possible through higher-order modulation (256QAM), carrier aggregation and 4x4 MIMO. Since LTE Release 10
Carrier_aggregation
IEEE standard in bandwidth
stream is 44 Gbit/s, with four streams this goes up to 176 Gbit/s. Higher order modulation is also added, probably up to 256-QAM. Applications could include
IEEE_802.11ay
Mobile telecommunications standards body
co-existence (IDC). Release 12 2015-03-13 Enhanced small cells (higher order modulation, dual connectivity, cell discovery, self configuration), Carrier
3GPP
Wireless network standard
the 5 GHz band, more spatial streams (up to eight versus four), higher-order modulation (up to 256-QAM vs. 64-QAM), and the addition of Multi-user MIMO
IEEE_802.11
Change from one tonality to another
In music, modulation is the change from one tonality (either a tonic or a mode, or both) to another. This may or may not be accompanied by a change in
Modulation_(music)
Process of varying one or more properties of a periodic waveform
Signal modulation is the process of varying one or more properties of a periodic waveform in electronics and telecommunication for the purpose of transmitting
Signal_modulation
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
Type of data encoding
is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency carrier wave. The modulation is accomplished
Phase-shift_keying
Electronic method of transmitting information with a carrier wave
Amplitude modulation (AM) is a signal modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave
Amplitude_modulation
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
Non-linear effect in amplitude modulation
Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities
Intermodulation
Form of modulation
Pulse-density modulation (PDM) is a form of modulation used to represent an analog signal with a binary signal. In a PDM signal, specific amplitude values
Pulse-density_modulation
coding and modulation (ACM) and others (such as Power Control), is a term used in wireless communications to denote the matching of the modulation, coding
Link_adaptation
Thai satellite
efficient transmission methods, including Turbo Product Code (TPC) and higher order modulation (L-codes) for increased system performance. In the terminal-to-gateway
Thaicom_4
Extension of DVB-S2
increased efficiency up to 51% over DVB-S2. Improvements include: Higher order modulation schemes (64/128/256APSK) Smaller roll-off factors of 5%, 10% and
DVB-S2X
Analytic solution of the nonlinear Schrödinger equation
K.; Finot, C.; Akhmediev, N.; Dudley, J.M.; Genty, G. (2011). "Higher-Order Modulation Instability in Nonlinear Fiber Optics". Physical Review Letters
Peregrine_soliton
Digital representation of sampled analog signals
Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs
Pulse-code_modulation
"Serial Turbo Trellis Coded Modulation with Rate-1 Inner Code". In this paper SCCCs were designed for use with higher order modulation schemes. Excellent performing
Serial concatenated convolutional codes
Serial_concatenated_convolutional_codes
4K and 8K digital video formats
Terrestrial Transmission Field Tests Using Dual-Polarized MIMO and Higher-Order Modulation OFDM". IEEE Transactions on Broadcasting. 62 (1): 306–315. Bibcode:2016ITB
Ultra-high-definition television
Ultra-high-definition_television
Group of video-transmitting modulation modes
more efficiently through long distances. In general, video modulation means that a higher frequency carrier wave is modified according to the original
Video_modulation
American based telecommunications provider
carrier aggregation, 4x4 MIMO (Multiple Input Multiple Output), and higher-order modulation (256-QAM) that maximized data speeds for wireless broadband subscribers
Flow_(brand)
Radio modulation design
Binary offset carrier modulation (BOC modulation) was developed by John Betz in order to allow interoperability of satellite navigation systems. It is
Binary offset carrier modulation
Binary_offset_carrier_modulation
Theorem that tells the maximum rate at which information can be transmitted
or, with fixed bandwidth, by using higher-order modulations that need a very high SNR to operate. As the modulation rate increases, the spectral efficiency
Shannon–Hartley_theorem
Characteristic of an optical system
primary importance. This derived function is commonly referred to as the modulation transfer function (MTF). The image on the right shows the optical transfer
Optical_transfer_function
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
Radio transmission of audio by frequency modulation
Amplitude Modulation (AM) transmissions. In 1933, American engineer Edwin Armstrong began development of wide-band FM. This offered higher fidelity—more
FM_broadcasting
Method of encoding digital data on multiple carrier frequencies
multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital (binary) data on multiple carrier frequencies. OFDM
Orthogonal frequency-division multiplexing
Orthogonal_frequency-division_multiplexing
Concept in the psychophysics of vision
flicker fusion threshold, also known as critical flicker frequency, flicker modulation threshold, or flicker fusion rate, is the frequency at which a flickering
Flicker_fusion_threshold
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
Fluctuations in the luminance of a light
type of light regulation technology applied (e.g. pulse-width modulation). If the modulation frequency is below the flicker fusion threshold and if the magnitude
Flicker_(light)
Range of frequencies occupied by an unmodulated signal
modulate a higher frequency carrier signal in order that it may be transmitted via radio. Modulation results in shifting the signal up to much higher frequencies
Baseband
Class of proteins
that play a role in organization and compaction of the chromosome into higher order structures. They play vital roles in regulating processes like nucleosome
Non-histone_protein
Interferometric technique
reflected by a vibrating target is reflected into the laser cavity, causing a modulation both in amplitude and in frequency of the emitted optical beam. In this
Self-mixing_interferometry
Control loop feedback mechanism
systems and various other applications where constant control through modulation is necessary without human intervention. The PID controller automatically
PID_controller
Non-commercial use of the radio spectrum
research. The principal voice modes are frequency modulation (FM), single sideband (SSB), and amplitude modulation (AM). FM offers high audio quality, SSB is
Amateur_radio
Infrared spectroscopy technique
during product development. Microfluidic modulation spectroscopy’s sensitivity and accuracy, detects higher order structure change in the formulation and
Microfluidic modulation spectroscopy
Microfluidic_modulation_spectroscopy
Classification of power amplifier
is conducting may be adjusted so a pulse-width modulation output (or other frequency based modulation) can be obtained from the stage. Additional letter
Power_amplifier_classes
opto-electronics applications such as focusing, optical coupling and modulation of radiation. In laser optics, part of the laser power is absorbed by
Thermo-optic_coefficient
Digital satellite television standard
Repeat-Accumulate codes. VCM (Variable Coding and Modulation) and ACM (Adaptive Coding and Modulation) modes, which allow optimizing bandwidth utilization
DVB-S2
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
Modification of frequency and time distributions of signals, as used in computer graphics
polynomials of order three or higher with respect to ϕ ( t ) {\displaystyle \phi (t)} . It is beneficial for implementing higher-order modulation, and furthermore
Motions in the time-frequency distribution
Motions_in_the_time-frequency_distribution
Technology of power electronics
or frequency-modulation ratio, is calculated using the equation mf = f∆/fc . If the over-modulation region, ma, exceeds one, a higher fundamental AC
Power_electronics
Quantum states light can be in
state uncertainty (see above). The (modulation) signal with respect to this uncertainty can be improved by using a higher light power inside the interferometer
Squeezed_states_of_light
Delays experienced through a linear time-invariant system
receiving end. Amplitude modulation creates the passband signal by shifting the baseband frequency components to a much higher frequency range. Although
Group_delay_and_phase_delay
AC to DC power converter
windmills. The major advantage of using the pulse width modulation technique is the reduction of higher order harmonics. It also makes it possible to control
PWM_rectifier
Digital radio broadcasting standard
profiles (A or B) carrier modulation (16QAM or 64QAM) and channel bandwidth (9 or 10 kHz) The lower the protection class the higher the level of error correction
Digital_Radio_Mondiale
Synthesizer
dominated by analog synthesizers. Frequency modulation synthesis, a means of generating sounds via frequency modulation (FM), was developed by John Chowning
Yamaha_DX7
Aviation navigation system
frequency modulation. The amplitude modulated signal is transmitted from a separate omnidirectional antenna. The roles of amplitude and frequency modulation are
VHF_omnidirectional_range
Use of light in the visible spectrum as a telecommunication medium
lower-power, but higher response velocity amplifier in order to synthesize the required AC current modulation. There are several modulation techniques available
Visible_light_communication
Digital modulation scheme
Amplitude-shift keying (ASK) is a form of amplitude modulation that represents digital data as variations in the amplitude of a carrier wave. For example
Amplitude-shift_keying
Information transmission rate expressed in bits per second
data link and higher layer overhead. In modems and wireless systems, link adaptation (automatic adaptation of the data rate and the modulation and/or error
Bit_rate
Oscilloscope display of a digital data signal
spectrum modulation on a clock is technically jitter in the strict sense, receivers for these systems are designed to track the modulation. The only
Eye_pattern
Light-sensitive material used in making electronics
(KPR) Modulation transfer function MTF (modulation transfer function is the ratio of image intensity modulation and object intensity modulation and it
Photoresist
High-energy particle, mainly originating outside the Solar System
point-like extra-galactic sources distributed over the celestial sphere. Solar modulation theory explains how the intensity of cosmic rays changes as they travel
Cosmic_ray
Interpretation of sensory information
TA, Neske GT, Connors BW, Burwell RD (September 2015). "Bidirectional Modulation of Recognition Memory". The Journal of Neuroscience. 35 (39): 13323–35
Perception
Improved version of VHS
format.[citation needed] Like VHS, the S-VHS format uses a color under A modulation scheme. S-VHS improves luminance (luma) resolution by increasing luminance
S-VHS
Set of musical alterations
had fully emerged. Some pieces feature modulations, or changes in key, between contrasting sections. Modulations may or may not be reflected by a corresponding
Key_signature
Computer bus used for data storage systems
controller. Encoding schemes used included Frequency Modulation (FM), Modified Frequency Modulation (MFM) and RLL encoding at frequencies for example ranging
Hard_disk_drive_interface
Device which diffracts light via sound waves
diffraction in medium thickness crystals leads to higher orders of diffraction. In thick crystals with weak modulation, only phasematched orders are diffracted;
Acousto-optic_modulator
Relationship among tones of the chromatic scale
of fifths developed in the late 1600s and early 1700s to theorize the modulation of the Baroque era (see § Baroque era). The first circle of fifths diagram
Circle_of_fifths
Musical keys sharing many common tones
the scale a fifth higher is very closely related, while the scale a tritone higher is not. Other modulations may be placed in order from closest to most
Closely_related_key
Wireless networking standard in the 802.11 family
also supports a higher number of connected devices. Several companies are currently offering 802.11ac chipsets with higher modulation rates: MCS-10 and
IEEE_802.11ac
Use of radio waves for communication
demodulated and the bits are combined in the proper order into one bitstream. Many other types of modulation are also used. In some types, the carrier wave
Radio
Radio broadcast band
band. Narrow band frequency modulation was developed and demonstrated by Hanso Idzerda in 1919. Wide band frequency modulation radio originated in the United
FM_broadcast_band
FM radio reception phenomenon
effect was observed by Edwin Armstrong in his early work on frequency modulation. In his 1936 paper to the IRE, he reported that one wideband FM signal
Capture_effect
e.g. to interacting wave components, Hamiltonian mechanics, higher-order modulational effects, dissipation effects. The averaged Lagrangian method requires
Averaged_Lagrangian
Type of field-effect transistor
transistor (HEMT or HEM FET), also known as heterostructure FET (HFET) or modulation-doped FET (MODFET), is a field-effect transistor incorporating a junction
High-electron-mobility transistor
High-electron-mobility_transistor
Optical transceiver used in high-bandwidth data communications
modules can use the same optical modulation techniques as the ACO interfaces do. Many different forms of optical modulation and multiplexing have been employed
Optical_module
Term in optics
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)
Type of microscopy using a physical probe
resonance (frequency modulation). The two most common modes of nc-AFM operation, frequency modulation (FM) and amplitude modulation (AM), are described
Non-contact atomic force microscopy
Non-contact_atomic_force_microscopy
Cognitive processes necessary for control of behavior
inhibition, inhibitory control, working memory, and cognitive flexibility. Higher-order executive functions require the simultaneous use of multiple basic executive
Executive_functions
System for digitally encoding audio signals
for the Super Audio CD (SACD). DSD uses delta-sigma modulation, a form of pulse-density modulation encoding, a technique to represent audio signals in
Direct_Stream_Digital
Neurobiological theory
mechanics of modulation are not known at this time, and modulation has yet to be quantitatively identified. Qualitatively, aminergic modulation has been shown
Activation-synthesis hypothesis
Activation-synthesis_hypothesis
Analog multiplexing technique used in early telephone systems
of modulation for Type J open-wire and Type K cable systems, as well as for the higher-capacity coaxial systems then being planned. Higher-order multiplex
Carrier_telephony
Branch of physics
to mode-lock laser. Self-phase modulation (SPM), an effect due to the optical Kerr effect (and possibly higher-order nonlinearities) caused by the temporal
Nonlinear_optics
Device that modulates an analog carrier signal to encode digital information
transparent modems, and typically achieve higher data rates. The IEEE 802.11 standard defines a short range modulation scheme that is used on a large scale
Modem
Device for receiving radio transmissions
conducted to ground. Bandwidth and selectivity: See graphs. The information (modulation) in a radio transmission is contained in two narrow bands of frequencies
Radio_receiver
Process for reducing noise
high-frequency signal components may be emphasized to produce a more equal modulation index for a transmitted frequency spectrum, and therefore a better signal-to-noise
Emphasis_(telecommunications)
Ascending or descending sequence of musical tones
music of this period introduces modulation, which involves systematic changes from one scale to another. Modulation occurs in relatively conventionalized
Scale_(music)
Audio bug to spy on US embassy in Moscow
as a condenser microphone and providing amplitude modulation (AM), with parasitic frequency modulation (FM) for the re-radiated signal. The post had machined
The_Thing_(listening_device)
Signal processing technique
of the original linear-frequency-modulation waveform. There are other means to modulate the signal. Phase modulation is a commonly used technique; in
Pulse_compression
Technologies for computer networking
DWDM system (100GBASE-ZR) (using a combination of phase and amplitude modulation with coherent detection). On December 5, 2018, the 802.3cd standard was
100_Gigabit_Ethernet
Air interface for 4G and 5G broadband wireless communications
proved that the processing required by MIMO at higher speeds would be most manageable using OFDM modulation, because OFDM converts a high-speed data channel
MIMO-OFDM
Number of bits of information recorded for each digital audio sample
In digital audio using pulse-code modulation (PCM), bit depth is the number of bits of information in each sample, and it directly corresponds to the resolution
Audio_bit_depth
Torque regulation method for three-phase AC motors
have been published about DTC and its modifications such as space vector modulation, which offers constant switching frequency. In light of the mid-2000s
Direct_torque_control
German longwave time signal radio station
that is lower by at least one order of magnitude than the uncertainty that can be achieved with DCF77 phase modulation receiving hardware (GPS time is
DCF77
Transmission of information electromagnetically
by the higher cost of digital receivers. The choice of modulation for analogue radio is typically between amplitude (AM) or frequency modulation (FM).
Telecommunications
Dynamically programmable radio
of spectrum-sensing cognitive radio include emergency-network and WLAN higher throughput and transmission-distance extensions. The evolution of cognitive
Cognitive_radio
Technique for measuring chemical composition of a gas
at a harmonic of the modulation frequency. In FMS, the light is modulated at a much higher frequency but with a lower modulation index. As a result, a
Tunable diode laser absorption spectroscopy
Tunable_diode_laser_absorption_spectroscopy
Family of synthesizers by Casio
modulation had the output of one of the oscillators affect the volume of the other oscillator, resulting in a controlled distortion. Noise modulation
Casio_CZ_synthesizers
Performance measure of a digital radio
Enable to be worse than the static EVM (PA Enable with 100% duty cycle). Modulation error ratio Carrier to Noise Ratio Signal-to-noise ratio "Error Vector
Error_vector_magnitude
Digital signal sample rate converter
y [ n ] = y [ n − 1 ] + c [ n ] {\displaystyle y[n]=y[n-1]+c[n]} ). Higher-order CIC structures are obtained by cascading N {\displaystyle N} identical
Cascaded integrator–comb filter
Cascaded_integrator–comb_filter
Type of socially subordinate ranking
rank, with higher-ranking individuals often gaining more access to resources and mates. Based on repetitive interactions, a social order is created that
Dominance_hierarchy
HIGHER ORDER-MODULATION
HIGHER ORDER-MODULATION
Girl/Female
Indian, Traditional
Order
Boy/Male
Hindu, Indian, Punjabi, Sikh
Order
Surname or Lastname
English
English : variant of Cordier.Catalan : occupational name for a maker of cord or string, from an agent derivative of Catalan corda ‘string’, ‘cord’.
Boy/Male
Australian, French, German, Greek
Order
Boy/Male
Greek
Order.
Surname or Lastname
English
English : topographic name for someone who lived at the edge of a village or by some other boundary, Middle English border, from Old French bordure ‘edge’.
Girl/Female
Indian, Marathi, Sindhi
Order
Biblical
a digger
Male
Swedish
Swedish form of Old Norse Dagr, DAGHER means "day."
Girl/Female
Indian, Telugu
Order
Surname or Lastname
English
English : variant of Haggard.English : variant of Hager.
Male
Swedish
Old Swedish form of Old Norse Oddr, ODDER means "point of a weapon."
Boy/Male
Biblical
A digger.
Boy/Male
Greek
Order.
Girl/Female
Muslim
Higher, Highest
Girl/Female
Greek
Order.
Girl/Female
German, Greek
Order
Boy/Male
Greek
Order.
Girl/Female
Indian
Higher, Highest
Surname or Lastname
English
English : variant of Highley.
HIGHER ORDER-MODULATION
HIGHER ORDER-MODULATION
Surname or Lastname
English
English : variant spelling of German.German : see Gierman.
Girl/Female
British, English
The Long Field
Girl/Female
Indian, Tamil
Musical Instrument; Music
Male
Egyptian
. another name for the spirit Rubi.
Boy/Male
American, Australian, Celtic, Latin, Spanish
Saviour; Diminutive of Salvador
Female
English
Variant spelling of English Jamie, JAYME means "supplanter."
Girl/Female
Hindu, Indian
Goddess Parvati
Girl/Female
Indian, Punjabi, Sikh
Aesthetic
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Sanskrit, Tamil, Telugu
Victory of Lord Krishna
Girl/Female
English Latin
the Lady of the Lake In Malory's 'Mort d'Arthur'. Also Merlin's enchantress.
HIGHER ORDER-MODULATION
HIGHER ORDER-MODULATION
HIGHER ORDER-MODULATION
HIGHER ORDER-MODULATION
HIGHER ORDER-MODULATION
adv.
To this place; -- used with verbs signifying motion, and implying motion toward the speaker; correlate of hence and thither; as, to come or bring hither.
n.
Right arrangement; a normal, correct, or fit condition; as, the house is in order; the machinery is out of order.
n.
Conformity with law or decorum; freedom from disturbance; general tranquillity; public quiet; as, to preserve order in a community or an assembly.
conj. Either
precedes two, or more, coordinate words or phrases, and is introductory to an alternative. It is correlative to or.
n.
A number of things or persons arranged in a fixed or suitable place, or relative position; a rank; a row; a grade; especially, a rank or class in society; a group or division of men in the same social or other position; also, a distinct character, kind, or sort; as, the higher or lower orders of society; talent of a high order.
v. t.
To make a border for; to furnish with a border, as for ornament; as, to border a garment or a garden.
n.
To admit to holy orders; to ordain; to receive into the ranks of the ministry.
a.
Being on the farther side from the person speaking; farther; -- a correlative of hither; as, on the thither side of the water.
n.
A body of persons having some common honorary distinction or rule of obligation; esp., a body of religious persons or aggregate of convents living under a common rule; as, the Order of the Bath; the Franciscan order.
n.
Rank; degree; thus, the order of a curve or surface is the same as the degree of its equation.
n.
To give an order to; to command; as, to order troops to advance.
n.
An assemblage of genera having certain important characters in common; as, the Carnivora and Insectivora are orders of Mammalia.
a.
Being on the side next or toward the person speaking; nearer; -- correlate of thither and farther; as, on the hither side of a hill.
adv.
In a high manner, or to a high degree; very much; as, highly esteemed.
n.
An ecclesiastical grade or rank, as of deacon, priest, or bishop; the office of the Christian ministry; -- often used in the plural; as, to take orders, or to take holy orders, that is, to enter some grade of the ministry.
v. i.
To give orders; to issue commands.
adv.
To that place; -- opposed to hither.
n.
To give an order for; to secure by an order; as, to order a carriage; to order groceries.
a.
Applied to time: On the hither side of, younger than; of fewer years than.
a.
Applied to time: On the thither side of, older than; of more years than. See Hither, a.