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Function in the theory of antennas
In the study of antennas, the array factor is a mathematical function that describes the signal of an antenna array as a combination of the signals of
Array_factor
Measure of how much of an antenna's signal is transmitted in one direction
of array elements. For a planar array, the computation of directivity is more complicated and requires consideration of the positions of each array element
Directivity
Array of antennas creating a steerable beam
In antenna theory, a phased array usually means an electronically scanned array, a computer-controlled array of antennas which creates a beam of radio
Phased_array
Set of multiple antennas which work together
An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves
Antenna_array
List data structure to which elements can be added/removed
In computer science, a dynamic array, growable array, resizable array, dynamic table, mutable array, or array list is a random access, variable-size list
Dynamic_array
Lobe in a discrete aperture antenna
uniform linear array. The beam pattern (or array factor) of any array can be defined as the dot product of the steering vector and the array manifold vector
Grating_lobes
Standard linear arrays
to preclude spectral aliasing. Because the beam pattern (or array factor) of a linear array is the Fourier transform of the element pattern, the sampling
Standard_linear_array
Associative array for storing key–value pairs
addressing, each slot of the bucket array holds exactly one item. Therefore an open-addressed hash table cannot have a load factor greater than 1. The performance
Hash_table
Type of data structure
In computer science, an array is a data structure consisting of a collection of elements (values or variables), of the same memory size, each identified
Array_(data_structure)
Radio aerial composed of directly-connected and passive elements
In an antenna array made of multiple conductive elements (typically metal rods), a driven element or active element (also called driven radiator or active
Driven_and_parasitic_elements
Any of a set of standard configurations of Redundant Arrays of Independent Disks
RAID levels comprise a basic set of RAID ("redundant array of independent disks" or "redundant array of inexpensive disks") configurations that employ the
Standard_RAID_levels
International radio telescope project
Square Kilometre Array (SKA) is an intergovernmental international radio telescope project being built in Australia (low-frequency) and South Africa (mid-frequency)
Square_Kilometre_Array
Hash collision resolution technique
addressing hash table is the load factor; that is, the proportion of the slots in the array that are used. As the load factor increases towards 100%, the number
Open_addressing
66-telescope radio observatory in Chile
The Atacama Large Millimeter/submillimeter Array (ALMA) is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile
Atacama Large Millimeter Array
Atacama_Large_Millimeter_Array
Type of integrated circuit packaging
processors also used a similar form factor, although they were not officially referred to as PPGA. The staggered pin grid array (SPGA) is used by Intel processors
Pin_grid_array
2025 survival video game
Abiotic Factor is a 2025 survival game developed by New Zealand-based independent studio Deep Field Games and published by Playstack. Set in 1993, players
Abiotic_Factor
Personality model consisting of five broad dimensions
psychology and psychometrics, the Big Five personality trait model or five-factor model (FFM), sometimes called by the mnemonic acronym OCEAN or CANOE, is
Big_Five_personality_traits
Radio astronomy observatory in New Mexico, US
The Karl G. Jansky Very Large Array (VLA) is a centimeter-wavelength radio astronomy observatory in the southwestern United States built in the 1970s
Very_Large_Array
Type of surface-mount packaging for integrated circuits
(DIP) Pin grid array (PGA) Ball grid array (BGA) Compression Attached Memory Module (CAMM), a memory module form factor using a land grid array connection
Land_grid_array
System of ten radio telescopes
improved by a factor of five by including other radio telescopes such as the Green Bank Telescope in West Virginia, the Very Large Array (VLA) in New Mexico
Very_Long_Baseline_Array
Type of mathematical array
In mathematics, an orthogonal array (more specifically, a fixed-level orthogonal array) is a table ("array") whose entries come from a fixed finite set
Orthogonal_array
Data structure holding key/value pairs
In computer science, an associative array, key-value store, map, symbol table, or dictionary is an abstract data type that stores a collection of key/value
Associative_array
Search algorithm used in sorted arrays
of a target value within a sorted array. Binary search compares the target value to the middle element of the array. If they are not equal, the half in
Binary_search
Loudspeaker system composed of linearly-mounted, in-phase speakers
A line array is a loudspeaker system that is made up of a number of usually identical loudspeaker elements mounted in a line and fed in phase, to create
Line_array
Data storage technology
RAID (Redundant Array of Independent Disks) is an orchestrated approach to computer data storage in which data is written to more than one secondary storage
RAID
Wind farm in the Thames Estuary, England
The London Array is a 175-turbine 630 MW Round 2 offshore wind farm located 20 kilometres (12 mi) off the Kent coast in the outer Thames Estuary in England
London_Array
Resonator damping parameter
quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. Resonators with high quality factors have
Q_factor
Divide and conquer sorting algorithm
complicated and has high constant factors: merging arrays of length n and m can take 5n + 12m + o(m) moves. This high constant factor and complicated in-place
Merge_sort
Type of computer science algorithm
However, this form is very limited as simply having an index to a length n array requires O(log n) bits. More broadly, in-place means that the algorithm
In-place_algorithm
additional factors are not likely to interact with any of the other factors, a saturated array can be used. In a saturated array, a controllable factor is substituted
Saturated_array
Signal processing technique for sensor arrays
technique used in sensor arrays for directional signal transmission or reception. This is achieved by combining elements in an antenna array in such a way that
Beamforming
Telecommunications performance metric
which applies to aperture antennas such as a parabolic reflector or phased array, or antenna/aperture illumination efficiency, which relates the maximum
Radiation_efficiency
Replaceable RAM form factor
Compression Attached Memory Module (CAMM) is a memory module form factor which uses a land grid array (LGA). CAMM can refer to both the general form and an early
CAMM_(memory_module)
Implementation of an associative array
O(\log n)} —as expected of a tree—and the leading constant factor is small enough that Judy arrays are suitable even to the peta-element range. When applicable
Judy_array
Concept in machine learning
in an M-way array ("data tensor"), may be analyzed either by artificial neural networks or tensor methods. Tensor decomposition factors data tensors
Tensor_(machine_learning)
Comic book superhero team
X-Factor is a group of mutant superheroes appearing in American comic books published by Marvel Comics. X-Factor launched in 1986 featuring a team composed
X-Factor_(comics)
the factor oracle algorithm. Suffix array Generalised suffix tree Allauzen C., Crochemore M., Raffinot M., Factor oracle: a new structure for pattern
Factor_oracle
has been extended to phased array applications. For phased arrays, the equation is slightly modified, differing by a factor of 2 in the exponential, to
Ruze's_equation
Radio telescope network located mainly in the Netherlands
The LOw Frequency ARray (LOFAR) is a large radio telescope, with an antenna network located mainly in the Netherlands, and spreading across 7 other European
Low-Frequency_Array
Device in neurophysiology
Microelectrode arrays (MEAs) (also referred to as multielectrode arrays) are devices that contain multiple (tens to thousands) microelectrodes through
Microelectrode_array
Software testing technique
issues. Orthogonal array testing works based on something called orthogonal arrays. These are organized lists of different factors. When we use them,
Orthogonal_array_testing
Proteins that bind DNA
characterizing WRKY transcription factors. The results show that WRKY transcription factors function in a diverse array of plant response, both to internal
WRKY_transcription_factor
fill factor of an image sensor array is the ratio of a pixel's light sensitive area to its total area. For pixels without microlenses, the fill factor is
Fill_factor_(image_sensor)
Crewed full ocean depth rated submersible
Limiting Factor, known as Bakunawa since its sale in 2022, and designated Triton 36000/2 by its manufacturer, is a crewed deep-submergence vehicle (DSV)
DSV_Limiting_Factor
Pattern of color filters over an image sensor
In digital imaging, a color filter array (CFA), or color filter mosaic (CFM), is a mosaic of tiny color filters placed over the pixel sensors of an image
Color_filter_array
Technique in radio direction finding
clear why this is so. We can define the beam pattern (array factor) of a uniform linear array (ULA) with N elements, as: B θ ( θ ) = w → H v → θ ( θ
Phase-comparison_monopulse
Auxiliary data structure to the suffix array in computer science
computer science, the longest common prefix array (LCP array) is an auxiliary data structure to the suffix array. It stores the lengths of the longest common
LCP_array
Type of electronic component
device with complexity between that of programmable array logic (PAL) and field-programmable gate arrays (FPGA), and architectural features of both. The main
Complex programmable logic device
Complex_programmable_logic_device
Interval based sorting algorithm
pass. function combsort(array input) is gap := input.size // Initialize gap size shrink := 1.3 // Set the gap shrink factor sorted := false loop while
Comb_sort
Form of protein microarray
An antibody microarray (also known as antibody array) is a specific form of protein microarray. In this technology, a collection of captured antibodies
Antibody_microarray
Fast Fourier Transform algorithm
algorithm can be used to handle large prime factors that cannot be decomposed by Cooley–Tukey, or the prime-factor algorithm can be exploited for greater efficiency
Cooley–Tukey_FFT_algorithm
Sorting algorithm using the heap data structure
efficient, comparison-based sorting algorithm that reorganizes an input array into a heap (a data structure where each node is greater than its children)
Heapsort
Role of body height in sports
of the sport is linked to factors that are height-biased as a restriction of basic physics. The balance of the intricate array of links will determine the
Height_in_sports
Type of integrated circuit
gate array is a type of semi-custom application-specific integrated circuit (ASIC). The manufacturer fabricates a base wafer containing a regular array of
Gate_array
Type of molecules produced by a pathogen that might cause potential harmful effects
obtain nutrition from the host Specific pathogens possess a wide array of virulence factors. Some are chromosomally encoded and intrinsic to the bacteria
Virulence_factor
Problem in computational complexity theory
The author takes full responsibility for the content." Suppose the input array is S [ 0.. n − 1 ] {\displaystyle S[0..n-1]} . In integer (word RAM) models
3SUM
Computer display standard and resolution
Video Graphics Array (VGA) is a video display controller and accompanying de facto graphics standard, first introduced with the IBM PS/2 line of computers
Video_Graphics_Array
Antenna constructions for different applications
well on at least twice as many frequencies as a simple antenna. Array antennas Array antennas are made out of combinations of several simple antennas
Antenna_types
Integrated circuit device
A field-programmable analog array (FPAA) is an integrated circuit device containing computational analog blocks (CABs) and interconnects between these
Field-programmable analog array
Field-programmable_analog_array
different direction in the sky. A feed array with n receivers will increase the survey speed of the telescope by a factor of n, making them very powerful survey
Focal-plane array (radio astronomy)
Focal-plane_array_(radio_astronomy)
Small lens, generally with a diameter less than a millimetre
a master lens array. The master lens array may also be replicated through the generation of an electroform using the master lens array as a mandrel. The
Microlens
Collection of microscopic DNA spots attached to a solid surface
nucleic acid sequences in the target. The original nucleic acid arrays were macro arrays approximately 9 cm × 12 cm and the first computerized image based
DNA_microarray
Nonlinear transduction mechanism
A parametric array, in the field of acoustics, is a nonlinear transduction mechanism that generates narrow, nearly side lobe-free beams of low frequency
Parametric_array
Radio telescope in the Canary Islands
between 250 and 1500. The extended array is also a factor of 5 more sensitive than the compact array. The super-extended array will be able to measure multipoles
Very_Small_Array
Computer science data structure
elements' indices in the array. For a binary heap, in the array, the first index contains the root element. The next two indices of the array contain the root's
Heap_(data_structure)
Describes approximate behavior of a function
{\displaystyle x^{4}} in which the first factor does not depend on x {\displaystyle x} . Omitting this factor results in the simplified form x 4 {\displaystyle
Big_O_notation
2021 Intel CPU socket
LGA 1700 (Socket V) is a zero insertion force flip-chip land grid array (LGA) socket, compatible with Intel desktop processors based on Alder Lake and
LGA_1700
Data structure for approximate set membership
compactness, inherited from arrays, and partly from its probabilistic nature. The 1% false-positive rate can be reduced by a factor of ten by adding only about
Bloom_filter
Set of rules defining correctly structured programs
time, etc.). Arrays containing both characters and numbers are termed mixed arrays. Array structures containing elements which are also arrays are called
APL_syntax_and_symbols
Assembly of photovoltaic cells used to generate electricity
solar electric panels. Solar panels are usually arranged in groups called arrays or systems. A photovoltaic system consists of one or more solar panels,
Solar_panel
Data structure with nodes pointing to the next node
overhead for the links may exceed by a factor of two or more the size of the data. In contrast, a dynamic array requires only the space for the data itself
Linked_list
Psychometric factor also known as "general intelligence"
distinct. In subsequent years, many other psychologists showed a wider array of factors was needed to explain various sets of data: Spearman's two-factory
G_factor_(psychometrics)
Mathematical description in crystallography
structure factor (or structure factor for short) is a mathematical description of how a material scatters incident radiation. The structure factor is a critical
Structure_factor
Computing problem
\log({\frac {1}{\alpha }})} factor and also see Huffman coding). Chan et al. proposed a data structure that given a one-dimensional array A {\displaystyle A}
Range query (computer science)
Range_query_(computer_science)
Radio telescope array
The Deep Synoptic Array (DSA) is a radio telescope array that will contain 1,650 steerable 6.15-metre (20 ft 2 in) parabolic antennas that observe the
Deep_Synoptic_Array
Width and height of a display in pixels
six eight". One use of the term display resolution applies to fixed-pixel-array displays such as plasma display panels (PDP), liquid-crystal displays (LCD)
Display_resolution
Class of directive antennas
this can be seen in many common reflector arrays like television antennas. However, there are a number of factors that can change this distance, and actual
Reflective_array_antenna
Radio telescope in New South Wales, Australia
The Australia Telescope Compact Array (ATCA) is a radio telescope operated by the CSIRO at the Paul Wild Observatory, 25 kilometres (16 mi) west of Narrabri
Australia Telescope Compact Array
Australia_Telescope_Compact_Array
Antenna consisting of two rod-shaped conductors
rather than being perpendicular to the array direction as in a broadside array, the directivity is in the array direction (i.e. the direction of the line
Dipole_antenna
Theorem in electromagnetic theory of antennas
filled array. The interference pattern between the two reduces the power in the main beam lobe by exactly the factor 1 - a/A. Note that the thinned array curse
Thinned-array_curse
Extension of the Luhn algorithm
associative array. For this to work, a pair of arrays is required to provide the two-way mapping. An additional possibility is to use an array of characters
Luhn_mod_N_algorithm
Divide and conquer sorting algorithm
level, this is subsumed in the O(n) factor). The result is that the algorithm uses only O(n log n) time. To sort an array of n distinct elements, quicksort
Quicksort
Algorithm for Euclidean division of polynomials
{\displaystyle {\begin{array}{cc}{\begin{array}{r}\\3\\\end{array}}&{\begin{array}{|rrrr}\ 1&-12&0&-42\\&&&\\\hline \end{array}}\end{array}}} The first coefficient
Synthetic_division
Form of localized cell signaling
paracrine factors can travel is not certain. Although paracrine signaling elicits a diverse array of responses in the induced cells, most paracrine factors utilize
Paracrine_signaling
Approximation of a matrix's Cholesky factorization
{K_{ii}}}\left({a_{ji}-\sum \limits _{k=1}^{i-1}{K_{ik}K_{jk}}}\right)} . This gives a factor K that is as sparse as the lower triangle of A, and so storing both A and
Incomplete Cholesky factorization
Incomplete_Cholesky_factorization
Concept in the psychophysics of vision
not prevent indirect detection of a high frame rate, such as the phantom array effect and wagon-wheel effect, as human-visible side effects of a finite
Flicker_fusion_threshold
Area of research in signal processing
Array processing is a wide area of research in the field of signal processing that extends from the simplest form of 1 dimensional line arrays to 2 and
Array_processing
Protein-coding gene in the species Homo sapiens
(also known as IL-12B, natural killer cell stimulatory factor 2, cytotoxic lymphocyte maturation factor p40, or interleukin-12 subunit p40) is a protein subunit
Interleukin-12_subunit_beta
Solid-state photodetector
but complicated the routing and layout of the array. To address fill factor limitations within SPAD arrays formed of circular SPADs, other shapes are utilised
Single-photon_avalanche_diode
Intel microprocessor compatible socket for Nova Lake-S
LGA 1954 is a land grid array CPU socket designed by Intel for Nova Lake-S desktop processors, which will be released in Q1 2027. N/A, Cpt.Jank (2026-02-21)
LGA_1954
Algebraic object with geometric applications
multidimensional array. Abstractly, a tensor belongs to tensor product of spaces, each of which has a fixed basis, and the dimensions of the factor spaces can
Tensor
Type of computer memory
bitline segments are provided. The advantage of the open bitline array is a smaller array area, although this advantage is slightly diminished by the dummy
Dynamic_random-access_memory
Psychological theory
The six-factor model of psychological well-being is a theory developed by Carol Ryff that determines six factors that contribute to an individual's psychological
Six-factor model of psychological well-being
Six-factor_model_of_psychological_well-being
Field-programmable semiconductor devices
programmable-AND and programmable-OR arrays), was expensive, and had a poor reputation for testability. Another factor limiting the acceptance of the FPLA
Programmable_Array_Logic
Power station in Albuquerque, New Mexico
The Eubank Landfill Solar Array is a photovoltaic power station in Albuquerque, New Mexico that consists of 1.0 MWAC of concentrator photovoltaics (CPV)
Eubank_Landfill_Solar_Array
Method for algorithm analysis in computer science
onto that array would take longer as the array would have to create a new array of a scaled size, copy the old elements onto the new array, then add the
Amortized_analysis
Small structural protein motif found mostly in transcriptional proteins
finger arrays are based on the zinc finger domain of the murine transcription factor Zif268, although some groups have used zinc finger arrays based on
Zinc_finger
In array antenna systems, array gain is the measure of the improvement in signal-to-noise ratio (SNR) achieved by the array. It is calculated as the SNR
Array_gain
Power station in Tucson, Arizona
The University of Arizona CPV Array is a 2.38 MWp (2.0 MWAC) concentrator photovoltaics (CPV) power station in Tucson, Arizona. It consists of 34 Amonix
University of Arizona CPV Array
University_of_Arizona_CPV_Array
Commonly used display resolutions
the sharpness and clarity of the image. It can be controlled by various factors, such as the type of display device, the signal format, the aspect ratio
Display_resolution_standards
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