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Filters used in signal processing that are optimal in some sense
The matched filter is the optimal linear filter for maximizing the signal-to-noise ratio (SNR) in the presence of additive stochastic noise. Matched filters
Matched_filter
input signal which is multiplied by some filter in the Fourier domain. An example filter is the matched filter which uses the cross correlation of the
Optical_correlator
Topics referred to by the same term
film starring Tao Tsuchiya Matched filter, a filter used in signal processing Matched betting, a betting technique Matched trilogy, a dystopian fiction
Matched
Signal processing algorithm
In signal processing, the Wiener filter (named after Norbert Wiener) is a filter used to produce an estimate of a desired or target random process by
Wiener_filter
Form of radar used to create images of landscapes
case is the application of a matched filter to the raw data, for each pixel in the output image, where the matched filter coefficients are the response
Synthetic-aperture_radar
Pulse-shaping filter in digital modulation
The raised-cosine filter is a filter frequently used for pulse-shaping in digital modulation due to its ability to minimise intersymbol interference (ISI)
Raised-cosine_filter
Process in electronics and telecommunications
filter and spectral efficiency. This gives an output pulse shaped like a Gaussian function. Nyquist ISI criterion Raised-cosine filter Matched filter
Pulse_shaping
Signal processing technique
{\displaystyle N(t)} to denote that noise. To detect the incoming signal, a matched filter is commonly used. This method is optimal when a known signal is to be
Pulse_compression
Frequency swept signal
speed of the wave components). It is usually compensated for by using a matched filter, which can be part of the propagation channel. Depending on the specific
Chirp
Audio signal processing technique
process is a practical implementation of a matched filter system. For the compression filter to be matched to the radiated chirp signal, its response
Chirp_compression
Type of filter in signal processing
In signal processing, a finite impulse response (FIR) filter is a filter whose impulse response (or response to any finite length input) is of finite duration
Finite_impulse_response
Object detection system using radio waves
matched filter) and kB is the Boltzmann constant. There is an appealing intuitive interpretation of this relationship in a radar. Matched filtering allows
Radar
Statistical algorithm
squares (LMS) algorithms are a class of adaptive filter used to mimic a desired filter by finding the filter coefficients that relate to producing the least
Least_mean_squares_filter
Linear filter in the time domain
pulse shaping filter in a digital communication system to perform matched filtering. This helps in constraining the occupied bandwidth of the waveform
Root-raised-cosine_filter
Device for suppressing part of a discretely-sampled signal
Low-pass filter Infinite impulse response, Finite impulse response Linkwitz–Riley filter Matched filter Savitzky–Golay filter Two-dimensional filter Lyakhov
Digital_filter
Parameter-free superresolution algorithm
Matched filter – Filters used in signal processing that are optimal in some sense Periodogram – Estimate of the spectral density of a signal Filtered
SAMV_(algorithm)
Function of propagation delay and Doppler frequency
It represents the distortion of a returned pulse due to the receiver matched filter (commonly, but not exclusively, used in pulse compression radar) of
Ambiguity_function
Filter used in signal processing on continuous-time signals
An analogue filter is a basic building block of signal processing much used in electronics. Amongst their many applications are the separation of an audio
Analogue_filter
Type of degradation in signal transmission
such matched filter for each possible integer CFO. In this case, seven matched filters are needed. However, we can use only one set of matched filter hardware
Carrier_frequency_offset
Electronic filter
individual matched crystals in ladder or lattice networks, or from several resonators formed on a single quartz blank as a monolithic crystal filter. Amateur
Crystal_filter
Algorithm that estimates unknowns from a series of measurements over time
In statistics and control theory, Kalman filtering (also known as linear quadratic estimation) is an algorithm that uses a series of measurements observed
Kalman_filter
Filter conversion technique
transformation is to be preferred over the matched z transformation. Jackson, Leland B. (1996). Digital Filters and Signal Processing. Springer Science &
Matched_Z-transform_method
Effects used to alter an image's appearance
Filters are digital image effects often used on social media. They initially simulated the effects of camera filters, and they have since developed with
Filter_(social_media)
Type of signal filter
filter depends on the filter design. The filter is sometimes called a high-cut filter, or treble-cut filter in audio applications. A low-pass filter is
Low-pass_filter
Statistical model
with the matched filter, which is based on the Whittle likelihood for the case of a known noise power spectral density. The matched filter effectively
Whittle_likelihood
Type of signal processing filter
The Butterworth filter is a type of signal processing filter designed to have a frequency response that is as flat as possible in the passband. It is also
Butterworth_filter
Filter used to strain fuel in fuel systems
A fuel filter is a filter used to screen out foreign particles or liquids from the fuel. Most internal combustion engines use a fuel filter, in order to
Fuel_filter
American aerospace engineer
Omnivore Thruster, Optical Mining, Radiant Gas Dynamic Mining, Optimized Matched Filter Tracking, and the Sun Flower Power Tower. The Omnivore Thruster is a
Joel_C._Sercel
Radar system that does not transmit
the cross-correlation processing must implement a bank of matched filters, each matched to a different target Doppler shift. Efficient implementations
Passive_radar
Type of feedforward neural network
it should be noted how close a convolutional neural network is to a matched filter. In a CNN, the input is a tensor with shape: (number of inputs) × (input
Convolutional_neural_network
Ratio of the desired signal to the background noise
{\displaystyle t} in the t-test. Audio system measurements Generation loss Matched filter Near–far problem Noise margin Omega ratio Pareidolia Peak signal-to-noise
Signal-to-noise_ratio
Device for suppressing part of a signal
the form of a distributed-element filter. There are four ports to be matched and widening the bandwidth requires filter-like structures to achieve this
Filter_(signal_processing)
Filter that has a linear response
signal. They can easily be designed to give a matched filter for any arbitrary pulse shape. IIR digital filters are often more difficult to design, due to
Linear_filter
Type of analog or digital filter
Chebyshev filters are analog or digital filters that have a steeper roll-off than Butterworth filters, and have either passband ripple (type I) or stopband
Chebyshev_filter
Tent function, often used in signal processing
modulation as a pulse shape for transmitting digital signals and as a matched filter for receiving the signals. It is also used to define the triangular
Triangular_function
Data structure for approximate set membership
In computing, a Bloom filter is a space-efficient probabilistic data structure, conceived by Burton Howard Bloom in 1970, that is used to test whether
Bloom_filter
Device that converts sound into an electrical signal
Sensors in Orthogonal Orientation and Spatial Collocation – Its Spatial-Matched-Filter-Type Beam-Pattern". IEEE Transactions on Signal Processing. 66 (4):
Microphone
Frequency of a chirp pulse
signal processing. For example, when a chirp pulse is compressed by its matched filter, the resulting waveform contains not only a main narrow pulse but, also
Chirp_spectrum
Estimate of the spectral density of a signal
periodograms are presented in the spectral density estimation article. Matched filter Filtered backprojection (Radon transform) Welch's method Bartlett's method
Periodogram
Type of radar equipment
researchers have suggested that these issues can be alleviated if the correct matched filter is used. In military airborne applications, the Doppler effect has 2
Doppler_radar
Type of analog linear filter in electronics
In electronics and signal processing, a Bessel filter is a type of analog linear filter with a maximally flat group delay (i.e., maximally linear phase
Bessel_filter
Signal processing filter
elliptic filter (also known as a Cauer filter, named after Wilhelm Cauer, or as a Zolotarev filter, after Yegor Zolotarev) is a signal processing filter with
Elliptic_filter
At this point the correct PSC can be determined through the use of a matched filter, configured with the fixed channelisation code Cch,256,0, looking for
Common_pilot_channel
American brand of automotive replacement parts
American brand of automotive replacement parts offering oil filters, air filters, fuel filters, and similar products. As of 1936, FRAM produces original
FRAM_(brand)
American online dating app
super-likes to profiles that most appeal to them. Hinge allows users to filter potential matches based on traits such as height, ethnicity, and religion. Users
Hinge_(app)
Discrete fourier transform expressed as a matrix
there is at fractional frequency +1/8 in the signal. Recall that a matched filter compares the signal with a time reversed version of whatever we're looking
DFT_matrix
Region in space
the integrated Sachs-Wolfe imprint of cosmic superstructures using a matched-filter approach". The Astrophysical Journal. 830 (2016): L19. arXiv:1608.08638
CMB_cold_spot
done with a single matched filter or any similar device. The slot timing of the cell is obtained by detecting peaks in the matched filter output. This channel
P-SCH
Video game series
Syphon Filter is a third-person shooter video game series created by Bend Studio (formerly Eidetic) and owned by Sony Interactive Entertainment. for the
Syphon_Filter
Integral transform in mathematics
projective space, up to constant sheaves. Mathematics portal Periodogram Matched filter Deconvolution X-ray transform Funk transform The Hough transform, when
Radon_transform
Filter designed to remove contaminants from oil
An oil filter is a filter designed to remove contaminants from engine oil, transmission oil, lubricating oil, or hydraulic oil. Their chief use is in internal-combustion
Oil_filter
Second order recursive digital linear filter
digital biquad filter is a second order recursive linear filter, containing two poles and two zeros, which implements the analog biquad filter topology in
Digital_biquad_filter
Electronic filter circuits defined by component connection
Electronic filter topology defines electronic filter circuits without taking note of the values of the components used but only the manner in which those
Electronic_filter_topology
Active earthquake zone in the eastern U.S.
catalog of seismicity in the Eastern Tennessee Seismic Zone (ETSZ) using matched filter detection". Earthquake Research Advances. 3 (1) 100198. Bibcode:2023EaRA
Eastern Tennessee seismic zone
Eastern_Tennessee_seismic_zone
Algorithm used for frequency estimation and radio direction finding
number of frequency components. Spectral density estimation Periodogram Matched filter Welch's method Bartlett's method SAMV (algorithm) Radio direction finding
MUSIC_(algorithm)
Optical filter used for identifying coloured stones
this filter allows transmission of both deep-red wavelengths around 690 nanometres and yellow-green wavelengths, around 570 nanometres, that matched emerald's
Chelsea_filter
Bernabéu Stadium, as it was technically a neutral venue. "Real Madrid matches (Filtered: vs FC Barcelona, League)". BDfutbol. Archived from the original on
List_of_El_Clásico_matches
Software suite
Hori, Yoshiaki; Sakurai, Kouichi (2008). Key Distribution Scheme Using Matched Filter Resistant against DoS Attack. 22nd International Conference on Advanced
Aircrack-ng
American rock band
Filter is an American rock band formed in 1993 in Cleveland, Ohio, by singer Richard Patrick, along with guitarist and programmer Brian Liesegang. The
Filter_(band)
Camera accessory consisting of an optical filter
cinematography, a filter is a camera accessory consisting of an optical filter that can be inserted into the optical path. The filter can be of a square
Photographic_filter
Signal processing design process
Filter design is the process of designing a signal processing filter that satisfies a set of requirements, some of which may be conflicting. The purpose
Filter_design
Electronic filter
composite image filter is an electronic filter consisting of multiple image filter sections of two or more different types. The image method of filter design determines
Composite_image_filter
Random fluctuation in an electrical signal
for digital signals subject to noise Generation–recombination noise Matched filter for noise reduction in modems Noise (signal processing) Noise reduction
Noise_(electronics)
Color method in computer graphics
In computer graphics, texture filtering or texture smoothing is the method used to determine the texture color for a texture mapped pixel, using the colors
Texture_filtering
Branch of statistics to estimate models based on measured data
problem Grey box model Information theory Least-squares spectral analysis Matched filter Maximum entropy spectral estimation Nuisance parameter Parametric equation
Estimation_theory
Data structure for approximate set membership
cuckoo filter is a space-efficient probabilistic data structure that is used to test whether an element is a member of a set, like a Bloom filter does.
Cuckoo_filter
Function in discrete mathematics
at frequency k N . {\textstyle {\frac {k}{N}}.} Thus it acts like a matched filter for that frequency. It is the discrete analog of the formula for the
Discrete_Fourier_transform
Very low energy, short range radio precise positioning
performance compared to conventional Doppler processing as long as a correct matched filter is used. Ultra-wideband pulse Doppler radars have also been used to
Ultra-wideband
Predictive filter
An alpha beta filter (also called alpha-beta filter, f-g filter or g-h filter) is a simplified form of observer for estimation, data smoothing and control
Alpha_beta_filter
Telescope accessory used to improve details of viewed objects
An astronomical filter is a telescope accessory consisting of an optical filter used by amateur astronomers to improve the details and contrast of celestial
Astronomical_filter
Process for estimating a probability density function
machine learning, recursive Bayesian estimation, also known as a Bayes filter, is a general probabilistic approach for estimating an unknown probability
Recursive_Bayesian_estimation
Signal processing filter
In signal processing, a comb filter is a filter implemented by adding a delayed version of a signal to itself, causing constructive and destructive interference
Comb_filter
Electronic filter topology
The Sallen–Key topology is an electronic filter topology used to implement second-order active filters that is particularly valued for its simplicity
Sallen–Key_topology
Sub-discipline of electrical engineering
amplitude, phase- and frequency-shift keying schemes (ASK, PSK, FSK), matched-filter receivers, bandwidth consideration and probability of error calculations
Electronics_engineering
Electronic filter that is constructed with waveguide technology
A waveguide filter is an electronic filter constructed with waveguide technology. Waveguides are hollow metal conduits inside which an electromagnetic
Waveguide_filter
Processing of email to organize it according to specified criteria
Email filtering is the processing of email to organize it according to specified criteria. The term can apply to the intervention of human intelligence
Email_filtering
Filter in electronics and signal processing
signal processing, mainly in digital signal processing, a Gaussian filter is a filter whose impulse response is a Gaussian function (or an approximation
Gaussian_filter
Football derby between Real Sociedad and Athletic Bilbao
December 2017. "Uralde matches matches (filtered: vs Athletic Club)". BDFutbol. Retrieved 16 December 2017. "Uralde matches (filtered: vs Real Sociedad)"
Basque_derby
Type of electronic filter used in audio
A Linkwitz–Riley (L-R) filter is an infinite impulse response filter used in Linkwitz–Riley audio crossovers. It is named after its inventors Siegfried
Linkwitz–Riley_filter
Process of varying one or more properties of a periodic waveform
for example by means of undersampling). Equalization filtering, for example, a matched filter, compensation for multipath propagation, time spreading
Signal_modulation
Tunisian-Canadian artificial intelligence scientist and engineer
vessel extraction in computer-aided diagnosis by combining the original matched filter with the first-order derivative of Gaussian. His subsequent work focused
Fakhreddine_Karray
Intellectual isolation through internet algorithms
A filter bubble is a state of intellectual isolation that arises when personalized searches, recommendation systems, and algorithmic curation selectively
Filter_bubble
Type of Monte Carlo algorithms for signal processing and statistical inference
Particle filters, also known as sequential Monte Carlo methods, are a set of Monte Carlo algorithms used to find approximate solutions for filtering problems
Particle_filter
identity, and an extended Training Sequence that is easily detected with a matched filter. When mobile turns on after getting FCCH it waits for getting SCCH which
Synchronization_Channel
Adjusting input/output impedances of an electrical circuit for some purpose
transformers and passive filter networks, and based on the telephone system), the source and load resistances were matched at 600 ohms. One reason for
Impedance_matching
Electronic filters designed by the network synthesis method
Butterworth filter, the Chebyshev filter and the Elliptic filter. It was originally intended to be applied to the design of passive linear analogue filters but
Network_synthesis_filters
Yellow color filter sometimes applied in films to depict Mexican locations
The Mexican filter, or Mexico filter, is a yellow-colored or sepia filter or overly warm color grade that is sometimes employed in films and television
Mexican_filter
Type of electronic filter
the existing constant k type filter. The main problem being addressed was the need to achieve a better match of the filter into the terminating impedances
M-derived_filter
Fine-pored filter used for purifying water
Ceramic water filters (CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris
Ceramic_water_filter
Type of filter
A capacitor-input filter is a filter circuit in which the first element is a capacitor connected in parallel with the output of the rectifier in a linear
Capacitor-input_filter
American electrical engineer (1887–1970)
achieved by filtering. This work on noise produced the concept, and led Zobel to pursue the design, of matched filters. In this context "matched" means that
Otto_Julius_Zobel
Removes diesel particulate matter or soot from the exhaust gas of a diesel engine
A diesel particulate filter (DPF) is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine. Wall-flow diesel
Diesel_particulate_filter
Porcelain water filter
A Chamberland filter, also known as a Pasteur–Chamberland filter, is a porcelain water filter invented by Charles Chamberland in 1884. It was developed
Chamberland_filter
Method for interpreting data in digital storage systems
intersymbol interference (ISI) is to equalize to a minimum-phase, whitened, matched-filter target. The complexity of the subsequent Viterbi detector increases
Partial-response maximum-likelihood
Partial-response_maximum-likelihood
Device in optics that reduces light intensity
In photography and optics, a neutral-density filter, or ND filter, is a filter that reduces or modifies the intensity of all wavelengths, or colors, of
Neutral-density_filter
Type of activity in neurons
differentiate the signal from noise. This occurrence is known as the matched filter principle, whereby a neuron can use past experience about an expected
Synaptic_noise
Type of electronic filter
A line filter (a.k.a. EMC filter, EMI filter, RFI filter) is an electronic filter that is placed between the mains electricity input and internal circuitry
Line_filter
Estimation method
that he adopted to avoid it being referred to as the “Uhlmann filter.” Many filtering and control methods represent estimates of the state of a system
Unscented_transform
2000 video game
Syphon Filter 2 is a 2000 third-person shooter video game developed by Eidetic and published by Sony Computer Entertainment for the PlayStation. It is
Syphon_Filter_2
Type of signal processing filter
A mechanical filter is a signal processing filter usually used in place of an electronic filter at radio frequencies. Its purpose is the same as that of
Mechanical_filter
MATCHED FILTER
MATCHED FILTER
Surname or Lastname
English
English : variant spelling of Mitchell.
Boy/Male
Shakespearean American Hebrew Biblical
Henry VI, Part 2' Matthew Goffe.
Male
English
English form of French Mathieu, MATTHEW means "gift of God." In the bible, this is the name of one of the twelve apostles and author of the first Gospel of the New Testament.
Surname or Lastname
English
English : patronymic from a pet form of Matthew.French (Mathès) and German : from the personal names Mathias or Mattheus (see Matthew).
Surname or Lastname
English
English : from a pet form of Matthew.Dutch : from a derivative of Mattheus (see Matthew).German : from a shortened form of Matthäus (see Matthew).
Girl/Female
Hebrew
God's gift.
Surname or Lastname
English
English : variant spelling of Mitcham.
Surname or Lastname
English (Hampshire, Dorset)
English (Hampshire, Dorset) : occupational name for a cowherd, from Old French vachier.
Girl/Female
German
Boy/Male
English Irish Scottish American
Form of Michael 'Who is like God?'.
Surname or Lastname
English
English : occupational name for a mower or reaper of grass or hay, Old English mǣðere. Compare Mead, Mower. Hay was formerly of great importance, not only as feed for animals in winter but also for bedding.English : in southern Lancashire, where it has long been a common surname, it is probably a relatively late development of Madder (see Mader).English : The prominent Mather family of New England were established in America by Richard Mather (1596–1669) in 1635. He was a Puritan clergyman from a well-established family of Lowton, Lancashire, England. After he emigrated, he was in great demand as a preacher, finally settling in Dorchester, MA. His son Increase Mather (1639–1723) was a diplomat and president of Harvard. He married his step-sister Maria Cotton, herself the daughter of an eminent Puritan divine, John Cotton. Their son Cotton Mather (1663–1728) bore both family names. The latter was a minister who is remembered for his part in witchcraft trials, but he was also a man of science and a fellow of the Royal Society in London.
Surname or Lastname
English and Scottish
English and Scottish : from the Middle English personal name Ma(t)thew, vernacular form of the Greek New Testament name Matthias, Matthaios, which is ultimately from the Hebrew personal name Matityahu ‘gift of God’. This was taken into Latin as Mat(t)hias and Matthaeus respectively, the former being used for the twelfth apostle (who replaced Judas Iscariot) and the latter for the author of the first Gospel. In many European languages this distinction is reflected in different surname forms. The commonest vernacular forms of the personal name, including English Matthew, Old French Matheu, Spanish Mateo, Italian Matteo, Portuguese Mateus, Catalan and Occitan Mateu are generally derived from the form Matthaeus. The American surname Matthew has also absorbed European cognates from other languages, including Greek Mathias and Mattheos.It is found as a personal name among Christians in India, and in the U.S. is used as a family name among families from southern India.
Surname or Lastname
English
English : unexplained. Compare Hatchell.
Male
English
Variant spelling of English Matthew, MATHEW means "gift of God."
Surname or Lastname
English (Sussex)
English (Sussex) : unexplained.
Surname or Lastname
English, Scottish, and Indian (southern states)
English, Scottish, and Indian (southern states) : variant spelling of Matthew. It is found as a personal name among Christians in India, and in the U.S. is used as a family name among families from southern India.
Surname or Lastname
English
English : variant of Hatcher.
Surname or Lastname
German
German : from a variant of the personal name Matthäus (see Matthew).English : from a variant of the personal name Matthew.
Boy/Male
Sikh
Tells the truth
Surname or Lastname
English
English : from a pet form of Patch (see Pack).
MATCHED FILTER
MATCHED FILTER
Girl/Female
Arabic, Gujarati, Hindu, Indian, Muslim
Star; Big Eyes; Shinning; Glittering; Sun; New; Beautiful Eyes
Boy/Male
Muslim
World conqueror, A moghul emperor, Akbars son
Boy/Male
Hindu, Indian
Patience
Surname or Lastname
English
English : from the Middle English personal names Siwal(d) and Sewal(d), Old English Sigeweald and Sǣweald, composed of the elements sige ‘victory’ and sǣ ‘sea’ + weald ‘rule’.English : habitational name from Sewell in Bedfordshire, Showell in Oxfordshire, or Seawell or Sywell in Northamptonshire, all of which are named from Old English seofon ‘seven’ + wella ‘spring’.
Female
Thai/Siamese
Thai name PHUENG means "bee."
Surname or Lastname
English (Northamptonshire)
English (Northamptonshire) : unexplained; probably a habitational name from a lost or unidentified place.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
The Sun
Boy/Male
Latin
Loves God.
Boy/Male
Christian, Hindu, Indian
The Earth; The World; Confusion; Thou Shall be Brought
Boy/Male
Hindu, Indian
Lord Krishna
MATCHED FILTER
MATCHED FILTER
MATCHED FILTER
MATCHED FILTER
MATCHED FILTER
a.
Nice; exact; matched; fitting; precise.
n.
One who patches or botches.
n.
One who, or that which, matches; a matching machine. See under 3d Match.
n.
A detent, pawl, or ratchet, as that which catches the cogs of a ratchet wheel to prevent backward motion. See Illust. of Ratched wheel.
n. pl.
A tribe of Indians who formerly lived near the site of the city of Natchez, Mississippi. In 1729 they were subdued by the French; the survivors joined the Creek Confederacy.
a.
Patched; mean.
n.
A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch.
n.
One who hatches, or that which hatches; a hatching apparatus; an incubator.
imp. & p. p.
of Match
n.
A ratchet wheel, or notched bar, with which a pawl or click works.
n.
One who, or that which, catches.
n.
A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc.
n.
A warden of the marches; a marcher.
a.
Made with an arch or curve; covered with an arch; as, an arched door.
v. i.
To be matched, as horses.
n.
The lord or officer who defended the marches or borders of a territory.
n.
One who marches.
n.
One who watches; one who sits up or continues; a diligent observer; specifically, one who attends upon the sick during the night.
a.
Imperfectly hatched; as, half-hatched eggs.
n.
To draw through the teeth of a hatchel, as flax or hemp, so as to separate the coarse and refuse parts from the fine, fibrous parts.