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Mathematical function resembling a boxcar
boxcar function is any function which is zero over the entire real line except for a single interval where it is equal to a constant, A. The function
Boxcar_function
Function whose graph is 0, then 1, then 0 again, in an almost-everywhere continuous way
Heaviside Pi function, gate function, unit pulse, or the normalized boxcar function) is defined as rect ( t T ) = Π ( t T ) = { 0 , if | t | > T 2 1
Rectangular_function
Electronic test instrument that averages an input according to the boxcar function
integration results (samples) – for a mathematical description see boxcar function. The main purpose of this measurement technique is to improve signal
Boxcar_averager
Family of solutions to related differential equations
n}}{2}}\left[j_{\alpha +1}\left(u_{\alpha ,m}\right)\right]^{2}} If one defines a boxcar function of x that depends on a small parameter ε as: f ε ( x ) = 1 ε rect
Bessel_function
Type of statistical measure over subsets of a dataset
finite impulse response filter. Because the boxcar function outlines its filter coefficients, it is called a boxcar filter. It is sometimes followed by downsampling
Moving_average
Part of signal processing in time-frequency analysis
The Wigner distribution function (WDF) is used in signal processing as a transform in time-frequency analysis. The WDF was first proposed in physics to
Wigner_distribution_function
Linear combination of indicator functions of real intervals
The rectangular function, the normalized boxcar function, is used to model a unit pulse. The integer part function is not a step function according to the
Step_function
Type of mathematical function
Sawtooth function Floor function Step function, a function composed of constant sub-functions, so also called a piecewise constant function Boxcar function, Heaviside
Piecewise_linear_function
Function used in signal processing
processing and statistics, a window function (also known as an apodization function or tapering function) is a mathematical function that is zero-valued outside
Window_function
Concept in statistics
The term kernel is used in statistical analysis to refer to a window function. The term "kernel" has several distinct meanings in different branches of
Kernel_(statistics)
Mathematical model which is both linear and time-invariant
{\displaystyle {\mathcal {A}}} can be written as a convolution with the boxcar function Π ( t ) {\displaystyle \Pi (t)} . That is, A { x ( t ) } = ∫ − ∞ ∞
Linear_time-invariant_system
Triangular array of the binomial coefficients
{Re}}\left({\text{Fourier}}\left[{\frac {\sin(x)^{1}}{x}}\right]\right)} is the boxcar function. The corresponding row of the triangle is row 0, which consists of
Pascal's_triangle
Topics referred to by the same term
up boxcar in Wiktionary, the free dictionary. A boxcar is an enclosed railroad car for carrying general freight. Boxcar(s) may also refer to: Boxcar (band)
Boxcar_(disambiguation)
Filter that has a linear response
so-called boxcar function, then it would implement a low-pass filter with a low frequency gain of N+1 and a frequency response given by the sinc function. Superior
Linear_filter
Signal filtering technique
delta function. Its real-space form is the same as the moving average, with the exception of not introducing a shift in the output function. Boxcar averager
Top-hat_filter
Uniform distribution on an interval
it is contained in the distribution's support. The probability density function of the continuous uniform distribution is f ( x ) = { 1 b − a for a ≤
Continuous uniform distribution
Continuous_uniform_distribution
Quick, temporary change in amplitude of electrical signals
application. These can be found in pulse waves, square waves, boxcar functions, and rectangular functions. In digital signals the up and down transitions between
Pulse_(signal_processing)
preamplifiers High-voltage power supplies Gated integrators and boxcar averagers Synthesized function and clock generators Digital delay and pulse generators
Stanford_Research_Systems
of the characteristic function for the interval [ 0 , 1 ) {\displaystyle [0,1)} (a boxcar function). All polynomial functions are refinable. For every
Refinable_function
Topics referred to by the same term
Partition function (disambiguation) Section (disambiguation) Stanchion Bulkhead (partition), an upright wall in a ship, an airplane or a boxcar Cubicle
Partition
Experimental wireless transmission station (1901–1917)
current through these pipes takes hold of the earth." In Tesla's words, the function of this was "to have a grip on the earth so the whole of this globe can
Wardenclyffe_Tower
Genocide of European Jews by Nazi Germany
overcrowded cattle cars. As many as 150 people were forced into a single boxcar. Many died en route, partly because of the low priority accorded to these
The_Holocaust
Ideal low-pass filter or averaging filter
frequency. The simplest implementation of a sinc-in-frequency filter uses a boxcar impulse response to produce a simple moving average (specifically if divide
Sinc_filter
All-white municipalities that practice a form of racial segregation
race riots of 1919, during which over two hundred blacks were loaded onto boxcars and shipped out of town." The film aired at the 1991 Sundance Film Festival
Sundown_town
American filmmaker (born 1942)
asked Scorsese to make a sequel to Bloody Mama (1970). This came to be Boxcar Bertha (1972). It was Corman who taught Scorsese that entertaining films
Martin_Scorsese
Digital signal performance enhancement
effect is that the quantization error is low-pass filtered by a 2-sample boxcar filter (also known as a simple moving average filter). As a result, compared
Noise_shaping
1950–1953 conflict in Korean Peninsula
Okinawa to North Korea (using dummy bombs). Hudson Harbor tested "actual functioning of all activities which would be involved in an atomic strike, including
Korean_War
Mexican singer and actress (born 1985)
Animals in Circus, Tells People to Imagine Living in 'Cramped Railroad Boxcar'," Latin Post Archived 17 November 2015 at the Wayback Machine, 11 March
Dulce_María
Marked objects for finding random numbers
1919. The US term boxcars, also known as midnight, is a roll of six pips on each die. The pair of six pips resembles a pair of boxcars on a freight train
Dice
1969 novel by Kurt Vonnegut
Billy gets a glimpse of the guards' boxcar and is impressed by its contents ... In sharp contrast, the Americans' boxcar proclaims their dependent prisoner-of-war
Slaughterhouse-Five
Native American Pueblo tribe
home Pueblo, collected tribal taxes, and functioned as an extension of traditional sovereignty. The boxcar community maintained strict cultural persistence
Laguna_Pueblo
Process in electronics and telecommunications
baseband communication systems, the pulse shaping filter is implicitly a boxcar filter. Its Fourier transform is of the form sin(x)/x, and has significant
Pulse_shaping
American close air support attack aircraft
began receiving Global Positioning System navigation systems and a multi-function display. The LASTE system was upgraded with an Integrated Flight & Fire
Fairchild Republic A-10 Thunderbolt II
Fairchild_Republic_A-10_Thunderbolt_II
Tatum. He learned Homer's talent when Homer started boxing people like Boxcar Bob. He asked Moe for him to fight heavy weight champ Drederick Tatum. They
List of recurring The Simpsons characters
List_of_recurring_The_Simpsons_characters
3rd episode of the 2nd season of Schoolhouse Rock!
overalls and a red bandana. He connects boxcars representing words, phrases, and clauses with the conjunction boxcars that read "AND", "BUT", and "OR", while
Conjunction_Junction
Subgenre of crime and mystery fiction
Poirot. Juvenile stories featuring The Hardy Boys, Nancy Drew, and The Boxcar Children have also remained in print for several decades. Some scholars
Detective_fiction
Railroad museum in Lomita, California
whaleback tender 1910 Union Pacific caboose Santa Fe caboose Union Pacific boxcar Union Oil tank car Smith, Doug (June 17, 1979). "There's No End of Things
Lomita_Railroad_Museum
American country singer and actress (born 1955)
The trio eventually included a backing band, who performed at local functions. The group was later named the Kiowa High School Cowboy Band. They also
Reba_McEntire
distant house tracks adjacent to boxcars on the closest house tracks so boxcars on the inner tracks serve as a bridge to boxcars on the outer tracks; but providing
Freight_house
Skin condition characterized by pimples
of all acne scars). Ice-pick scars, boxcar scars, and rolling scars are subtypes of atrophic acne scars. Boxcar scars are round or ovoid indented scars
Acne
Type of filter in signal processing
moving average filter is a very simple FIR filter. It is sometimes called a boxcar filter, especially when followed by decimation, or a sinc-in-frequency.
Finite_impulse_response
1939 bomber aircraft family by Consolidated Aircraft
spacious, slab-sided fuselage (which earned the aircraft the nickname "Flying Boxcar") was built around two central bomb bays that could accommodate up to 8
Consolidated_B-24_Liberator
State railway company of India
types of rolling stock used for cargo operations including covered wagons, boxcars, flat wagons, flatbeds, open wagons, hoppers, containers, automobile carriers
Indian_Railways
Canadian painter (1885–1970)
discharged, suffering a nervous breakdown. In 1918 and 1919, Harris financed boxcar trips for the artists of the later Group of Seven to the Algoma region,
Lawren_Harris
Battle rifle
stock allowed the rifle to fit through the doorway of their C-119 Flying Boxcar when worn horizontally across the chest with the stock folded. Folding-stock
FN_FAL
American country singer (1942–1998)
a trio called Wynette, Linda & Imogene. The trio often sang at gospel functions together. A local Methodist minister had both Linda and Wynette sing on
Tammy_Wynette
Mode of transport
ships and trucks, and at breaks of gauge. Containers have succeeded the boxcar (wagonload), in which cargo had to be loaded and unloaded from the train
Rail_transport
Rockets, "Boxcar" (Neil Young) by Neil Young "Boxcar Blues" (Boxcar Willie) by Boxcar Willie, Maggie Jones "Boxcar's My Home" (Lloene Martin) by Boxcar Willie
List_of_train_songs
High-voltage pulse generator
drain out of its collector-base junction. One application is so-called boxcar switching of a Pockels cell. Four Marx generators are used, each of the
Marx_generator
Secondary automotive braking system
often adding to the hazards involved in negotiating the top of a swaying boxcar. In the U.S., an 1893 federal law, the Railroad Safety Appliance Act, required
Parking_brake
Method for converting signals between digital and analog
commonly used for ΔΣ ADCs, in order of increasing complexity and quality, are: Boxcar moving average filter (simple moving average or sinc-in-frequency or sinc1
Delta-sigma_modulation
Step fitted under doors of vehicles
user). The term also applied to the walkways on top of railway/railroad boxcars. Originally, they were used by brakemen to travel from car to car to apply
Running_board
Hospital in Pennsylvania, United States
visible under the pavement behind dietary and Devon Hall, which allowed boxcars to be brought directly onto the main campus. The railroad tracks have been
Pennhurst State School and Hospital
Pennhurst_State_School_and_Hospital
Method in signal processing
{\textstyle y(t)={\mathcal {H}}\{x(t)\},} in which it is understood that the functions should be thought of in their totality, rather than at specific instants
Overlap–add_method
Type of amplifier that emphasizes a specific frequency in a noisy signal
with additional tools such as an oscilloscope, FFT spectrum analyzers, boxcar averager or used to provide feedback by using internal PID controllers.
Lock-in_amplifier
Turkic ethnic group indigenous to Crimea
soldiers in the Red Army. The deportees were transported in trains and boxcars to Central Asia, where they were primarily resettled in Uzbekistan. Anywhere
Crimean_Tatars
Historically Black university in Atlanta, Georgia, US
auspices of the American Missionary Association, the AMA church purchased a boxcar for $310 (~$6,520 in 2025) in Chattanooga, Tennessee, and sent it to Friendship
Clark_Atlanta_University
Concentration camps operated by Nazi Germany
while the existing IKL camps Auschwitz and Majdanek gained additional function as extermination camps. After mid-1943, some forced-labor camps for Jews
Nazi_concentration_camps
Family of Light Anti-aircraft guns
end of a "camelback" flatbed car and then covered to make it look like a boxcar, sometimes with a pair of such twin-Flakvierling mount cars for defence
2 cm Flak 30, Flak 38 and Flakvierling 38
2_cm_Flak_30,_Flak_38_and_Flakvierling_38
1990–1991 conflict in the Middle East
(more than 100), roads, highways, railroads, hundreds of locomotives and boxcars full of goods, radio and television broadcasting stations, cement plants
Gulf_War
Museum in Union, Illinois, U.S.
September 15, 2025. Franz, Justin (June 25, 2026). "IRM Saves 50-Foot Railbox Boxcar". Railfan & Railroad Magazine. Retrieved June 25, 2026. "Two Foot Gauge
Illinois_Railway_Museum
Premade housing materials in the US and Canada
building material, would be shipped by rail, filling one or two railroad boxcars, which would be loaded at the company's mill and sent to the customer's
Kit_house
Enclosed railway wagon used to carry freight
design point of view. Similar freight cars in North America are called boxcars. Covered goods wagons for transporting part-load or parcel goods are almost
Covered_goods_wagon
Chemical warfare agent
Stormont Chemicals in Cornwall, Ontario, Canada, were loaded onto 187 boxcars for the 900 miles (1,400 km) journey to be buried at sea on board a 400
Mustard_gas
Optical machine-readable representation of data
February 2026. Graham-White, Sean (August 1999). "Do You Know Where Your Boxcar Is?". Trains. 59 (8): 48–53. Laurer, George. "Development of the U.P.C.
Barcode
1954 battle in the First Indochina War
General Chester McCarty made available twelve additional C-119 Flying Boxcars flown by French crews. Two of the American pilots, James B. McGovern Jr
Battle_of_Dien_Bien_Phu
1950 Korean War battle
With the path to Hungnam blocked at Funchilin Pass, eight C-119 Flying Boxcars flown by the US 314th Troop Carrier Wing were used to drop portable bridge
Battle_of_Chosin_Reservoir
Parking track for minor train repairs
RIP tracks at Proviso yard, Chicago A boxcar being painted on the RIP tracks at Proviso yard, Chicago A boxcar being jacked up for repairs on the RIP
RIP_track
Rock musical
England tour of Hedwig and the Angry Inch. A San Francisco production at Boxcar Theatre in summer 2012 featured twelve actors, male and female and of multiple
Hedwig and the Angry Inch (musical)
Hedwig_and_the_Angry_Inch_(musical)
German transport aircraft
engine and then later with a Rolls-Royce Buzzard and nicknamed the "Flying Boxcar" in Canada, could carry 2,000 kg (4,400 lb) and had a maximum weight of
Junkers_Ju_52
Nationwide armed struggle in Mexico (1910–1920)
and horses were transported by rail, the soldiers rode on the tops of boxcars. Railway lines, engines, and rolling stock were targeted for sabotage and
Mexican_Revolution
Fictional character from Ben 10
12. April 6, 2018. Cartoon Network. "Innervasion, Part 1: Message in a Boxcar". Ben 10 (2016 TV series). Season 2. Episode 36. September 29, 2018. Cartoon
Ben_Tennyson
Study of the separation, identification, and quantification of matter
Examples of software noise reduction are digital filtering, ensemble average, boxcar average, and correlation methods. Analytical chemistry has applications
Analytical_chemistry
Motor vehicle
described it as having a "sleek hatch body" in contrast to Volvo's traditional "boxcar look". While the 480's design is often referred to as a shooting brake by
Volvo_480
Transport aircraft family by Dornier
the cockpit, which includes two primary flight displays and two multi-function displays, to present key flight data. The navigation system includes VHF
Dornier_228
Method in signal processing
{\textstyle y(t)={\mathcal {H}}\{x(t)\},} in which it is understood that the functions should be thought of in their totality, rather than at specific instants
Overlap–save_method
Processed wood reused for other applications
although some companies use wood from less traditional structures such as boxcars, coal mines and wine barrels. Reclaimed or antique lumber is used primarily
Reclaimed_lumber
in 1877, and the Santa Fe in 1885) and the introduction of ventilated boxcars revolutionized distribution, opening national markets and triggering a
Agriculture_in_California
the judiciary. Although the Constitution specified a Supreme Court, its functions were vague until John Marshall, the Chief Justice of the United States
History_of_the_United_States
American singer (1926–2013)
While helping around his father's ranch, he also began singing at various functions around the Abilene, Texas, area. This eventually led him to begin singing
Ray_Price
Air warfare component of the United States National Guard
Guard and Air Force Reserve, which allowed the Korean War-era C-119 Flying Boxcars and C-124 Globemasters to be retired. However, the Total Force Concept
Air_National_Guard
Measure of sunspot activity
to calculate the minima and maxima of solar cycles, a tapered-boxcar smoothing function is used. For a given month m {\displaystyle m} , with a monthly
Sunspot_number
rolling stock used for cargo operations. These include covered wagons, boxcars, flat wagons, flatbeds, open wagons, hoppers, containers, automobile carriers
Rail_transport_in_India
composer Euel Box (1928–2017), music producer, composer, arranger, trumpeter Boxcar Willie (Lecil Travis Martin) (1931–1999), country singer Bill Boyd (1910–1977)
List_of_people_from_Texas
U.S. state
this increased rail infrastructure and the invention of the refrigerated boxcar also made Kansas City a major meatpacking center, as large cattle drives
Missouri
Standard size for storage and handling
be packed tightly into a warehouse rack, intermodal container, truck or boxcars, yet can be easily broken apart at a distribution point, usually a distribution
Unit_load
Swiss single engine STOL utility transport aircraft, 1959
top speed, as well as benefitting from the engine's automatic handling functions. These benefits came at the expense of the greater initial purchase cost
Pilatus_PC-6_Porter
State-owned national railway of Taiwan
Taiwanese companies. Freight wagons: Gondolas, covered hoppers, boxcars, refrigerated boxcars, livestock cars, flatcars, mail cars, etc. Rail transport in
Taiwan_Railway
of Science Fiction, Orbit, ISBN 1-85723-124-4 "Back to the Future: The Function of Supporting Characters". 24 July 2015. Barna William Donovan (2010),
List_of_stock_characters
Species of bacterium
they tend to form long chains of bacteria, often described as having a “boxcar” morphology due to their rectangular, blunt-ended appearance. On agar plates
Bacillus_anthracis
Skymaster Boeing C-97 Stratofreighter Douglas C-118 Fairchild C-119 Flying Boxcar Lockheed C-121 Constellation Douglas C-124 Globemaster II Lockheed C-130
List_of_radars
U.S. Army training post in the Missouri Ozarks
containers by rail, but also boxcars full of goods and equipment, coal for the post power plant, propane for various functions around post, and even diesel
Fort_Leonard_Wood
1943 trainer aircraft family by Fairchild
of power gun turrets or a gun on a flexible mount, as well as learn to function as a member of a crew. It had a brief career as a training aircraft before
Fairchild_AT-21_Gunner
City in Washington, United States
home to a summer concert series that has been staged annually since 1991. Boxcar Park on the waterfront hosted four official watch parties during the 2026
Everett,_Washington
Airport in Reno, Nevada, United States
from Camp Carson, Colorado, on 29 May 1951. Equipped with C-119 Flying Boxcars for training, SAC had begun the training for its personnel, teaching them
Reno_Stead_Airport
of them by Sabena. August 18 – (United States) A Fairchild C-119 Flying Boxcar successfully retrieved a capsule from the Corona reconnaissance satellite
1960s_in_air_cargo
1984 musical by Andrew Lloyd Webber
Rusty returns with the six trucks that make up the freight train: three boxcars called Rocky 1, Rocky 2 and Rocky 3, a brick truck called Flat-Top, an
Starlight_Express
Use of aircraft to combat wildfires
included the B-17 and the PB4Y-2, a version of the B-24. The Lead Plane function directs the activities of the airtankers by both verbal target descriptions
Aerial_firefighting
Union protest tactics
World. ISBN 9780917124037. Wobbly Wheels: The IWW's Boxcar Strategy: An essay about the IWW using boxcars as organizing spaces, recruiting new members, and
Industrial Workers of the World philosophy and tactics
Industrial_Workers_of_the_World_philosophy_and_tactics
rolling stock used for cargo operations. These include covered wagons, boxcars, flat wagons, flatbeds, open wagons, hoppers, containers, automobile carriers
Indian Railways coaching stock
Indian_Railways_coaching_stock
BOXCAR FUNCTION
BOXCAR FUNCTION
Surname or Lastname
English
English : variant of Box, with the addition of the agent suffix -er.Jewish (from Poland and Ukraine) : from an Americanized spelling of Yiddish bokser ‘St. John’s bread’, presumably an ornamental name.
Male
English
 Middle English form of Anglo-Saxon Osgar, OSCAR means "god-spear." Compare with another form of Oscar.
Boy/Male
British, English, Welsh
Boar
Male
Irish
 Irish Gaelic form of Scottish Gaelic Osgar, OSCAR means "deer-lover." Compare with another form of Oscar.
Boy/Male
British, Danish, Dutch, English, German, Swedish
Boar Hardness; Strong as a Boar; Brave Boar
Boy/Male
Welsh
Boar.
Boy/Male
American, Australian, British, Celtic, Chinese, Christian, Danish, Dutch, English, French, German, Irish, Italian, Jamaican, Norse, Norwegian, Portuguese, Scandinavian, Swedish, Swiss
God's Spear; Dear Friend; Lover of Deer; Spear of Strength; Divine Strength
Boy/Male
French
Gentle.
Boy/Male
British, English, Welsh
Dwells Near the Sea
Boy/Male
French
Gentle.
Girl/Female
Indian
Boar.
Boy/Male
American, Anglo, British, English
Wild Boar; Boar-warrior
Boy/Male
Norse American Celtic English
Divine spear.
Boy/Male
Christian & English(British/American/Australian)
Spear of God
Boy/Male
Hindu, Indian, Tamil
A Great Boxer
Boy/Male
British, Dutch, English
Boar Hardness; Brave Boar
Boy/Male
Welsh
Boar.
Boy/Male
Norse
Son of Thorleif.
Boy/Male
American, Anglo, British, English
Wild Boar; Born in April; Boar-warrior; Boar Battle
Boy/Male
Anglo Saxon
Boar.
BOXCAR FUNCTION
BOXCAR FUNCTION
Boy/Male
Gujarati, Hindu, Indian
Lord Vishnu
Boy/Male
Hindu, Indian
Weapon of Ram
Surname or Lastname
English and Irish
English and Irish : from the personal name Piers (see Pierce).
Girl/Female
Hindu
A flowering creeper
Boy/Male
Gujarati, Hindu, Indian, Kannada, Sikh
Seedless
Boy/Male
Indian, Sanskrit
Gem of the Moon
Boy/Male
Hindu, Indian, Kannada, Punjabi, Sanskrit, Sikh, Tamil
Glorious
Boy/Male
Australian, Irish, Latin
From the Adriatic
Girl/Female
French, German, Italian, Polish
Bitter Harvester
Male
Spanish
Portuguese and Spanish form of Teutonic Hermingild, HERMENEGILDO means "all-giving."Â
BOXCAR FUNCTION
BOXCAR FUNCTION
BOXCAR FUNCTION
BOXCAR FUNCTION
BOXCAR FUNCTION
n.
See Boyar.
v. t.
A tusk of a wild boar.
n.
One who buffets; a boxer.
n.
One who strikes heavy blows; hence, a boxer; a prize fighter.
n.
A cylindrical glass vessel, with a large and short neck.
a.
Of or pertaining to bole or clay; partaking of the nature and qualities of bole; clayey.
n.
The base or servile tenure by which a bordar held his cottage.
n.
A boxer; a pugilist.
n.
One who boxes; a pugilist.
n.
A boar.
n.
A bordar; a tenant in bordage.
n.
The uncastrated male of swine; specifically, the wild hog.
n.
One who packs boxes.
n.
The flesh of a boar; also, the salted and prepared flesh of a boar.
n.
A villein who rendered menial service for his cottage; a cottier.
n.
Alt. of Boyard
n.
A young wild boar.
n.
The round hole in the furnace of a glass manufactory through which the fused glass is taken out.
n.
A small quadruped of Bengal (Paradoxurus bondar), allied to the genet; -- called also musk cat.