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The modulation error ratio (MER) is a measure used to quantify the performance of a digital radio (or digital TV) transmitter or receiver in a communications
Modulation_error_ratio
Ratio of the desired signal to the background noise
Eb/No, the energy per bit per noise power spectral density. The modulation error ratio (MER) is a measure of the SNR in a digitally modulated signal. For
Signal-to-noise_ratio
Number of incorrect bits transmitted
synchronization errors. The bit error rate (BER) is the number of bit errors per unit time. The bit error ratio (also BER) is the number of bit errors divided
Bit_error_rate
Signal-to-noise ratio of a modulated signal
MIL-STD-188). Digital Transmission: Carrier-to-Noise Ratio, Signal-to-Noise Ratio, and Modulation Error Ratio at the Wayback Machine (archived March 4, 2016)
Carrier-to-noise_ratio
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
Performance measure of a digital radio
EVM (PA Enable with 100% duty cycle). Modulation error ratio Carrier to Noise Ratio Signal-to-noise ratio "Error Vector Magnitude (Digital Demodulation)"
Error_vector_magnitude
Normalized signal-to-noise ratio measure
density ratio) is a normalized signal-to-noise ratio (SNR) measure, also known as the "SNR per bit". It is especially useful when comparing the bit error rate
Eb/N0
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
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
Digital representation of sampled analog signals
encoder Equivalent pulse code modulation noise Signal-to-quantization-noise ratio (SQNR), one method of measuring quantization error Among the first recordings
Pulse-code_modulation
Method for reducing unwanted sound
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Active_noise_control
Method for converting signals between digital and analog
its dynamic range and signal-to-noise ratio (SNR) inversely proportional to signal frequency. Delta modulation suffers from slope overload if signals
Delta-sigma_modulation
Topics referred to by the same term
one of a pair of robotic rovers exploring the surface of Mars Modulation error ratio, a measure in communications for evaluation of digital transmission
Mer
Standard for computer networking over a cable television system
variable modulation depending on SNR. Higher data rates are possible but require higher order QAM schemes which require higher downstream modulation error ratio
DOCSIS
Excessive displeasing noise
acceptable by the standards have a margin of error of ±1.5 dB, while type 2 instruments meet a margin of error of ±2.3 dB. Sound can also be measured using
Noise_pollution
Scheme for controlling errors in data over noisy communication channels
the error rate, then switch to ARQ when the error rate gets too high; adaptive modulation and coding uses a variety of ECC rates, adding more error-correction
Error_correction_code
Smoothing filler for images
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Bilateral_filter
Noise removal process during image processing
whilst smoothing away noise in flat regions, even at low signal-to-noise ratios. For a digital signal x n {\displaystyle x_{n}} , we can, for example, define
Total_variation_denoising
Non-linear digital filtering technique to remove noise
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Median_filter
Methods to reduce sound pressure
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Soundproofing
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
Measure for analyzing digitizing schemes
Signal-to-quantization-noise ratio (SQNR or SNqR) is widely used quality measure in analysing digitizing schemes such as pulse-code modulation (PCM). The SQNR reflects
Signal-to-quantization-noise ratio
Signal-to-quantization-noise_ratio
Device which extracts info from a modulated radio frequency current or voltage
William, "Angle Modulation Detector", issued February 14, 1950 US 2561089, Anderson, Earl I., issued July 17, 1951 Report L.B.-645: "Ratio detectors for
Detector_(radio)
Study and modification of the noise and vibration characteristics of vehicles
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Noise, vibration, and harshness
Noise,_vibration,_and_harshness
of the receiving aircraft. The difference between the two modulation depths produce an error current signal in the airborne receiver. When an aircraft
Difference in the depth of modulation
Difference_in_the_depth_of_modulation
Health consequences of exposure to elevated sound levels
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Health_effects_from_noise
Signal conversion technique
state of the previous sample. To achieve high signal-to-noise ratio, delta modulation must use oversampling techniques, that is, the analog signal is
Delta_modulation
Form of signal modulation
Pulse-amplitude modulation (PAM) is a form of signal modulation in which the message information is encoded in the amplitude of a pulse train interrupting
Pulse-amplitude_modulation
Rate of modulation of a digital signal
In a digitally modulated signal or a line code, symbol rate, modulation rate or baud is the number of symbol changes, waveform changes, or signaling events
Symbol_rate
Process of removing noise from a signal
component from the desired signal component, as with common-mode rejection ratio. All signal processing devices, both analog and digital, have traits that
Noise_reduction
Signal encoder
modulation (DPCM) encodes changes between consecutive samples of a signal, rather than the signal's value directly (as done in pulse-code modulation)
Differential pulse-code modulation
Differential_pulse-code_modulation
Reliable digital data delivery methods on unreliable channels
capacity is determined by the selected modulation scheme and the proportion of capacity consumed by FEC. Error detection and correction codes are often
Error detection and correction
Error_detection_and_correction
Exterior structure on infrastructure used to prevent loud sounds from escaping
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Noise_barrier
Image noise reducing technique
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Anisotropic_diffusion
Signal representation
jitter in one dimension of modulation. Error vector magnitude Eye diagram Modulation error ratio Quadrature amplitude modulation ANDREW S. TANENBAUM (2011)
Constellation_diagram
Damping unwanted vibrations of machinery
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Acoustic_quieting
Control loop feedback mechanism
control signal based on error, without discrete modulation. In this model: Term P is proportional to the current value of the SP−PV error e ( t ) {\displaystyle
PID_controller
Algorithm for noise reduction in images
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Block-matching and 3D filtering
Block-matching_and_3D_filtering
Strategies to reduce noise pollution or its impact
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Noise_control
Noise control by legal regulation of noise-producing items
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Noise_regulation
be sent at a different bit rate where the signal-to-noise ratio is higher. Wavelet Modulation in Gaussian and Rayleigh Fading Channels, Manish J. Manglani
Wavelet_modulation
System that converts an analog signal into a digital signal
limited by the signal-to-noise ratio (SNR) and other errors in the overall system expressed as an ENOB. Quantization error is introduced by the quantization
Analog-to-digital_converter
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
Number of bits of information recorded for each digital audio sample
depth primarily affect the noise level from quantization error—thus the signal-to-noise ratio (SNR) and dynamic range. However, techniques such as dithering
Audio_bit_depth
Type of sideband modulation
a narrowband modulation method using a single sideband, whose peak envelope level is controlled so that the peak-to-average power ratio of CESSB is much
Controlled-envelope single-sideband modulation
Controlled-envelope_single-sideband_modulation
Error-correcting codes
_{2}M}}} , s {\displaystyle s} is the symbol error rate in uncoded AWGN case and M {\displaystyle M} is the modulation order. For practical uses of Reed–Solomon
Reed–Solomon_error_correction
open-squelch receive Produce a bitstream suitable for modulation on various physical layers Avoid bit-error-amplifying methods (differential encoding and free-running
Improved_Layer_2_Protocol
Image denoising algorithm
well-known denoising techniques, non-local means adds "method noise" (i.e. error in the denoising process) which looks more like white noise, which is desirable
Non-local_means
Process of mapping a continuous set to a countable set
quantization Data binning Discretization Discretization error Least count Posterization Pulse-code modulation Quantile Quantization (image processing) Regression
Quantization (signal processing)
Quantization_(signal_processing)
Characteristic of an optical system
noise and errors due to e.g. aliasing. It is therefore only effective on good quality recordings with a sufficiently high signal-to-noise ratio. In general
Optical_transfer_function
Eleventh letter in the Greek alphabet
calculus. In solid-state electronics, lambda indicates the channel length modulation parameter of a MOSFET. In ecology, lambda denotes the long-term intrinsic
Lambda
Digital modulation scheme
keying (PSK). This allows for a lower bit error rate for a given modulation order and signal-to-noise ratio, at the cost of increased complexity, compared
Amplitude and phase-shift keying
Amplitude_and_phase-shift_keying
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Shrinkage Fields (image restoration)
Shrinkage_Fields_(image_restoration)
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
Radio transmission of audio by frequency modulation
FM broadcasting is a radio broadcasting method that uses frequency modulation (FM) transmissions. In November 1919, Hans Idzerda began broadcasts, using
FM_broadcasting
Measure used in radio engineering and telecommunications
leading to bit errors. Whenever the delay times for a signal going back down and then again up the line are comparable to the modulation time constants
Standing_wave_ratio
DSL service where downstream bandwidth exceeds upstream bandwidth
chosen in which case there is a greater risk case of error should future signal-to-noise ratios deteriorate to the point where the bits-per-bin allocations
ADSL
Signal processing technique
Hierarchical modulation, also called layered modulation, is one of the signal processing techniques for multiplexing and modulating multiple data streams
Hierarchical_modulation
Process of extracting the original information-bearing signal from a carrier wave
content from the modulated carrier wave. There are many types of signal modulation, and there are many types of demodulators. The signal output from a demodulator
Demodulation
Physical or logical connection used for transmission of information
efficiency Signal-to-noise ratio in decibel measures: signal-to-interference ratio, Eb/N0 Bit error rate (BER), packet error rate (PER) Latency in seconds:
Communication_channel
Channel access method used by various radio communication technologies
practical limit governed by the desired bit error probability since the SIR (signal-to-interference ratio) varies inversely with the number of users.
Code-division_multiple_access
Algorithm in numerical analysis
track of the accumulated error in integer operations (although first documented around the same time) and the delta-sigma modulation. In pseudocode, the algorithm
Kahan_summation_algorithm
Theorem that tells the maximum rate at which information can be transmitted
Hartley's line rate formula in terms of a signal-to-noise ratio, but achieving reliability through error-correction coding rather than through reliably distinguishable
Shannon–Hartley_theorem
Codes intended to correct short, contiguous errors in a communications channel
In coding theory, burst error-correcting codes employ methods of correcting burst errors, which are errors that occur in many consecutive bits rather than
Burst_error-correcting_code
Printing process
Error diffusion Stippling (in engraving) Mezzotint (in engraving) Dither (in digital images) Oversampled binary image sensor Pulse-width modulation Raster
Halftone
Information rate that can be transmitted over a given bandwidth
forward error correction (FEC) code and other physical layer overhead. If FEC overhead is excluded, a "bit" refers to a user data bit only. The modulation efficiency
Spectral_efficiency
Linear error correcting code
parity-check (LDPC) codes, also known as Gallager codes, are a class of error-correction codes first proposed in 1960. Together with the closely related
Low-density_parity-check_code
Transmission of sound through indirect pathways in buildings
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Flanking_transmission
(DSSS) system has exactly the same bit error behavior as a non-spread-spectrum system with the same modulation format. Thus, on an additive white Gaussian
Process_gain
Type of modem
modem are modulation and demodulation. Satellite communication standards also define error correction codes and framing formats. Popular modulation types
Satellite_modem
Information transmission rate expressed in bits per second
link adaptation (automatic adaptation of the data rate and the modulation and/or error coding scheme to the signal quality) is often applied. In that
Bit_rate
Internal loudspeaker built into some (older) IBM PC-compatible computers
systems or games, could play pulse-code modulation (PCM) sound through the PC speaker using special Pulse-width Modulation techniques explained later in this
PC_speaker
Frequency shift keying digital mode
FT8 (short for Franke–Taylor design, 8-FSK modulation) is a frequency shift keying digital mode of radio communication used by amateur radio operators
FT8
Modulation method used by the American ATSC digital TV standard
8VSB is the modulation method used for broadcast in the ATSC digital television standard. ATSC and 8VSB modulation is used primarily in North America;
8VSB
beta encoder, the Golden ratio encoder used the golden ratio base for its value of beta, but was susceptible to hardware errors. Although integrator leaks
Beta_encoder
Sequence of digital values used for synchronisation
amplitudes of the pulses forming the Barker codes imply the use of biphase modulation or binary phase-shift keying; that is, the change of phase in the carrier
Barker_code
Problem in naval architecture
noise density) Modulation error ratio (MER) Signal, noise and distortion (SINAD) Signal-to-interference ratio (S/I) Signal-to-noise ratio (S/N, SNR) Signal-to-noise
Noise and vibration on maritime vessels
Noise_and_vibration_on_maritime_vessels
Standards for terrestrial television signals
the U.S. There is also no hierarchical modulation. After demodulation and error-correction, the 8-VSB modulation supports a digital data stream of about
Broadcast_television_systems
Multiple converters working in parallel
{\displaystyle M-1} . Gain errors affect the amplitude of the converted signal and are transferred to the output as an amplitude modulation (AM) of the input signal
Time-interleaved_ADC
Standards for digital television in the US
devices that use these parts of the standard. Key among these is the 8VSB modulation system used for over-the-air broadcasts. ATSC 1.0 technology was primarily
ATSC_standards
Equivalent noise resistance – Equivalent pulse code modulation noise – Error burst – Error ratio – Error-correcting code – E-skip – Examples of electrical
Index_of_electronics_articles
Estimation method that minimizes the mean square error
processing, a minimum mean square error estimator (MMSE estimator) is an estimation method which minimizes the mean square error (MSE), which is a common measure
Minimum mean square error estimator
Minimum_mean_square_error_estimator
Device to couple energy between circuits
transformer, with voltage ratio and winding turns ratio both being inversely proportional to the corresponding current ratio. The load impedance referred
Transformer
Data communications modulation protocol
Like other M-ary orthogonal schemes, the required Eb/N0 ratio for a given probability of error decreases as M increases without the need for multisymbol
Multiple frequency-shift keying
Multiple_frequency-shift_keying
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
Technique in digital communications
types of modulation. It makes transmissible data dependent on both the current and previous signal (or symbol) states. The common types of modulation that
Differential_coding
Type of voltage converter circuit
converter with the inductor split to form a transformer, so that the voltage ratios are multiplied with an additional advantage of isolation. The schematic
Flyback_converter
Delays experienced through a linear time-invariant system
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 signal applied
Group_delay_and_phase_delay
American longwave time signal radio station
that decodes the phase modulation can have greater process gain, allowing usable reception at a lower received signal-to-noise ratio than the PWM/ASK time
WWVB
automatically at a specified modulation rate to the time actually required to receive the same text at a specified maximum error rate. All of the communication
Efficiency_factor
Process for reducing noise
to produce a more equal modulation index for a transmitted frequency spectrum, and therefore a better signal-to-noise ratio for the entire frequency
Emphasis_(telecommunications)
Frequency-division multiple access scheme
Term Evolution OFDMA Time-division multiple access "SC-FDMA vs. OFDM Modulation - MATLAB & Simulink". www.mathworks.com. Retrieved 2024-04-15. Myung,
Single-carrier_FDMA
Data format used for audio compact discs
adopt Sony’s error correction system, CIRC. Immink, in a few months' time, developed the recording code called eight-to-fourteen modulation (EFM). EFM increases
Compact_Disc_Digital_Audio
Aviation navigation system
aircraft measure signal strength, the modulation indices of the reference and variable signals, and the bearing error. They will also measure other selected
VHF_omnidirectional_range
Measurement of a signal at discrete time intervals
nonlinear function. Digital audio systems typically employ pulse-code modulation (PCM) to encode sound as a series of discrete samples of the electrical
Sampling_(signal_processing)
1980s analog high-definition television standard
broadcasting. MUSE was transmitted at a frequency of 21 GHz or 12 GHz. Modulation research Japanese broadcast engineers had been studying the various HDTV
Multiple Sub-Nyquist Sampling Encoding
Multiple_Sub-Nyquist_Sampling_Encoding
Electronic system for generating any of a range of frequencies
modulated at low frequency and DC by using two-point modulation to overcome the above limitation. Modulation is applied to the VCO as before, but now is also
Frequency_synthesizer
In signal processing, unwanted modifications to a signal
Contrast-to-noise ratio, a measure of image quality Noise print, statistical signature of ambient noise for its suppression Equivalent pulse code modulation noise
Noise_(signal_processing)
Power allocation in communications systems
transmission", published Dec 6 2005 Biglieri, Ezio (May 2003). "Coding and modulation for a horrible channel". IEEE Communications Magazine. 41 (5): 92–98.
Water-filling_algorithm
Class of drugs
involved in some of the health-related effects of testosterone, like modulation of prostate cancer risk and progression. Changes in endogenous testosterone
Anabolic_steroid
MODULATION ERROR-RATIO
MODULATION ERROR-RATIO
Girl/Female
Indian
Moderation, Equality
Boy/Male
Anglo Saxon
Terror.
Boy/Male
Tamil
King of terror
Girl/Female
Arabic, Muslim
Balance; Temperance; Moderation
Boy/Male
Anglo Saxon
Terror.
Girl/Female
Hindu, Indian
Without Error
Girl/Female
Arabic, Muslim
Population
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
Error-less
Girl/Female
Muslim
Population, Socialism
Boy/Male
American, Anglo, British, Christian, Danish, English, German, Jamaican, Latin, Scottish
To Wander; Nobleman; Leader; Earl; Wanderer
Girl/Female
Australian, British, English, Gaelic, Irish
Terror; Lovers
Female
Arthurian
, error for Nineve (q.v.).
Boy/Male
Christian & English(British/American/Australian)
Wanderering Noble
Girl/Female
Indian
Population, Socialism
Girl/Female
Muslim
Moderation, Equality
Boy/Male
Anglo Saxon
Terror.
Male
English
Scottish surname transferred to forename use, from a place name possibly ERROL means "to wander."Â
Boy/Male
Anglo Saxon
Terror.
Girl/Female
Arabic, Muslim
Moderation; Neutrality
Boy/Male
English American German Latin Scottish
Army commander. Army, weald power. Also can be a, meaning nobleman. Famous bearer: Australian...
MODULATION ERROR-RATIO
MODULATION ERROR-RATIO
Boy/Male
British, English, French
Courtyard Within Castle Walls
Boy/Male
Australian, Hebrew
God is My Judge
Boy/Male
Norse Teutonic English
Divine bear.
Girl/Female
Hindu
Religious, Sacrificer
Boy/Male
Tamil
Rangaprasath | ரஂகபà¯à®°à®¸à®¾à®¤
Give the varam
Boy/Male
Bengali, Hindu, Indian, Marathi, Telugu
The Blue Jewel
Boy/Male
Indian, Punjabi, Sikh
Peaceful Light
Boy/Male
Indian, Punjabi, Sikh
Priceless Love
Boy/Male
Tamil
Conqueror, Victory
Boy/Male
Hindu
Derived from Lord Shiva
MODULATION ERROR-RATIO
MODULATION ERROR-RATIO
MODULATION ERROR-RATIO
MODULATION ERROR-RATIO
MODULATION ERROR-RATIO
n.
The difference between an observed value and the true value of a quantity.
n.
Population; inhabitants.
n.
Mistake; error; fault.
n.
A fault of a player of the side in the field which results in failure to put out a player on the other side, or gives him an unearned base.
n.
Sound modulated; melody.
n.
A mistake in the proceedings of a court of record in matters of law or of fact.
n.
The act of modulating, or the state of being modulated; as, the modulation of the voice.
n.
A wandering or deviation from the right course or standard; irregularity; mistake; inaccuracy; something made wrong or left wrong; as, an error in writing or in printing; a clerical error.
n.
Calmness of mind; equanimity; as, to bear adversity with moderation.
a.
Ridiculing with moderation.
n.
The difference between the observed value of a quantity and that which is taken or computed to be the true value; -- sometimes called residual error.
n.
Misguidance; error.
n.
Copulation from behind.
n.
Exemption from error.
n.
Moderation.
n.
Moderation; temperance.
n.
Want of moderation.
n.
A change of key, whether transient, or until the music becomes established in the new key; a shifting of the tonality of a piece, so that the harmonies all center upon a new keynote or tonic; the art of transition out of the original key into one nearly related, and so on, it may be, by successive changes, into a key quite remote. There are also sudden and unprepared modulations.
n.
The whole number of people, or inhabitants, in a country, or portion of a country; as, a population of ten millions.
n.
Liability to error.