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The total active reflection coefficient (TARC) within mathematics and physics scattering theory, relates the total incident power to the total outgoing
Total active reflection coefficient
Total_active_reflection_coefficient
The active reflection coefficient (ARC) is the reflection coefficient for a single antenna element in an array antenna, in the presence of mutual coupling
Active_reflection_coefficient
Measure used in radio engineering and telecommunications
Mismatch loss Return loss SWR meter Time-domain reflectometer Total active reflection coefficient Knott, Eugene F.; Shaeffer, John F.; Tuley, Michael T. (2004)
Standing_wave_ratio
Set of multiple antennas which work together
account the worst possible excitations. Digital antenna array Total active reflection coefficient Wikimedia Commons has media related to Array antennas. Carr
Antenna_array
Topics referred to by the same term
secreted protein of the immune system, also known as CCL17 Total active reflection coefficient, a measure of multi-port radio antennas Transit Authority
TARC
Tendency of matter to change volume in response to a change in temperature
strain) divided by the change in temperature is called the material's coefficient of linear thermal expansion. For small temperature changes, this is nearly
Thermal_expansion
Values which describe behavior of a linear electric circuit
such as gain, return loss, voltage standing wave ratio (VSWR), reflection coefficient and amplifier stability. The term 'scattering' is more common to
Scattering_parameters
Spectroscopy technique
than reflection, and considered scatter to be in all directions. He used the symbols k and s for absorption and isotropic scattering coefficients, and
Diffuse reflectance spectroscopy
Diffuse_reflectance_spectroscopy
Strength of an object's radar echo
one-dimensional reflection calculations to calculate the surface impedance, then two dimensional numerical calculations to calculate the diffraction coefficients of
Radar_cross_section
Physical process by which matter takes up a photon's energy and stores it
"absorption coefficient")[citation needed] The Molar attenuation coefficient (also called "molar absorptivity"), which is the absorption coefficient divided
Absorption (electromagnetic radiation)
Absorption_(electromagnetic_radiation)
Property of waves that can oscillate with more than one orientation
actual reflection coefficient (which requires careful photometric calibration of the illuminating beam) but the ratio of the p and s reflections, as well
Polarization_(waves)
Property in optics
when reaching the interface, as well as the critical angle for total internal reflection, their intensity (Fresnel equations) and Brewster's angle. The
Refractive_index
Property that an increasing voltage results in a decreasing current
in the opposite direction, toward the resonator part. The reflection coefficient of the active device Γ N = V 2 / V 1 {\displaystyle \Gamma _{N}=V_{2}/V_{1}}
Negative_resistance
Device for measuring a physical quantity
thermometer principle: relation between temperature and volume of a liquid (coefficient of thermal expansion). Alcohol thermometer Mercury-in-glass thermometer
List_of_measuring_instruments
matrix analysis Reflecting telescope Reflection (optics) Refracting telescope Refraction Reflection coefficient Refractive index Refractometer Retroreflector
Index_of_optics_articles
Acoustic sensing method
region long after the conflict has ceased. The sound reflection characteristics of the target of an active sonar, such as a submarine, are known as its target
Sonar
Light-conducting fiber
of refraction. Light is kept in the core by the phenomenon of total internal reflection which causes the fiber to act as a waveguide. Fibers that support
Optical_fiber
Optical device with parallel mirrors
preferred because it has greater heat conduction and still has a low coefficient of expansion. In 2005, some telecommunications equipment companies began
Fabry–Pérot_interferometer
Infrared imaging used to reveal temperature
with an emissivity coefficient of 0.02. An example of a substance with high emissivity would be asphalt, with an emissivity coefficient of .98. A black body
Thermography
Obtaining information through non-contact sensors
split into "active" remote sensing (when a signal is emitted by a sensor mounted on a satellite or aircraft to the object and its reflection is detected
Remote_sensing
Optical filter
retained in the limit. For dual FSS, the reflection coefficient of the patch will be equal to the transmission coefficient of the mesh. Circuit duality The dual
Frequency_selective_surface
Battery electric mid-size luxury SUV
Counts，提升 14km 续航 [Xiaomi Motors: YU7's 100-step active air intake grille can reduce the vehicle's drag coefficient by 18 counts and increase its range by 14km
Xiaomi_YU7
Statistical method
between lasso coefficient estimates and so-called soft thresholding. It also reveals that (like standard linear regression) the coefficient estimates do
Lasso_(statistics)
Using sunlight for internal lighting
expressed by its VT coefficient (Visual Transmittance), also known as visual light transmittance (VLT). As the name suggests, this coefficient measures how much
Daylighting_(architecture)
Pressure exerted upon any surface exposed to electromagnetic radiation
the reflection coefficient of intensity), so that the increase is less than double. For a diffusely reflective surface, the details of the reflection and
Radiation_pressure
Battery electric full-size sedan
dampers, an active shutter grille, and an active rear wing with four adjustment levels on higher end models. The company claims the drag coefficient of the
Xiaomi_SU7
Type of feedforward neural network
kernel coefficients directly from images of hand-written numbers. Learning was thus fully automatic, performed better than manual coefficient design,
Convolutional_neural_network
Data acquisition method for earth sciences
overall reflectance increases as diffuse reflection, instead of specular reflection, dominates. Specular reflection by smooth surface, for example calm water
Remote_sensing_in_geology
Object detection system using radio waves
to "odd" looking stealth aircraft. These precautions do not totally eliminate reflection because of diffraction, especially at longer wavelengths. Half
Radar
Type of non-invasive imaging technique
Fluorescence imaging with one nanometer accuracy (FIONA): utilizes total internal reflection illumination to reduce noise and increase brightness of fluorophores
Fluorescence_imaging
Type of statistical analysis
crystals, and phase-separated polymers and RNA/protein condensates. Total internal reflection fluorescence (TIRF) is a microscopy approach that is only sensitive
Fluorescence correlation spectroscopy
Fluorescence_correlation_spectroscopy
1887 investigation of the speed of light
were all negative. This could be explained by using Fresnel's dragging coefficient, according to which the aether and thus light are partially dragged by
Michelson–Morley_experiment
Type of artificial neural network
reflection. Translation is a change in location in one or more dimensions. Rotation is a change in orientation. Scale is a change in size. Reflection
Capsule_neural_network
Meteorological instrumentation
light beam is quantified as an attenuation coefficient. Any departure from the clear air extinction coefficient (e.g. in fog) is measured and is inversely
Scatterometer
Type of optical fiber
outer cladding. This enables the inner cladding to guide light by total internal reflection in the same way the core does, but for a different range of wavelengths
Double-clad_fiber
light in a subwavelength-scale low refractive index region by total internal reflection. A slot-waveguide consists of two strips or slabs of high-refractive-index
Slot-waveguide
Thin layer of material
substrate surface. The interaction is characterized by the sticking coefficient, the fraction of incoming species thermally equilibrated with the surface
Thin_film
Study of the propagation of sound in water
assigning a reflection coefficient whose magnitude is less than one. For example, close to normal incidence, the reflection coefficient becomes R = −
Underwater_acoustics
Smallest amount of fissile material needed to sustain a nuclear reaction
expansion associated with temperature increase also contributes a negative coefficient of reactivity since fuel atoms are moving farther apart. A mass that
Critical_mass
Branch of physics that studies light
called total internal reflection and allows for fibre optics technology. As light travels down an optical fibre, it undergoes total internal reflection allowing
Optics
Physical property of allowing light
waveguide that transmits light along its axis by the process of total internal reflection. The fiber consists of a core surrounded by a cladding layer.
Transparency_and_translucency
Modes of vibration in mathematics
conjecture S. Bedo; W. Luthy; H. P. Weber (1993). "The effective absorption coefficient in double-clad fibers". Optics Communications. 99 (5–6): 331–335. Bibcode:1993OptCo
Dirichlet_eigenvalue
Chemical element with atomic number 8 (O)
Fertility of Sea Waters by H.W. Harvey, 1955, citing C.J.J. Fox, "On the coefficients of absorption of atmospheric gases in sea water", Publ. Circ. Cons. Explor
Oxygen
Device that orients a payload towards the Sun
increasing path length is referred to as the air mass (AM) or air mass coefficient, where AM0 is at the top of the atmosphere, AM1 refers to the direct
Solar_tracker
Smallest type of blood vessel
pressure (πc) Interstitial oncotic pressure (πi) Filtration coefficient (Kf) Reflection coefficient (σ) Disorders of capillary formation as a developmental
Capillary
Variation in the time intervals between heartbeats
considered the gold standard for HRV measurement because it provides a direct reflection of cardiac electric activity. Variability (or Variation) in the beat-to-beat
Heart_rate_variability
Cable assembly containing one or more optical fibers that are used to carry light
Optical fiber consists of a core and a cladding layer, selected for total internal reflection due to the difference in the refractive index between the two
Fiber-optic_cable
Opposition of a circuit to a current when a voltage is applied
displayed; for example, in a radio antenna, the standing wave ratio or reflection coefficient may be more useful than the impedance alone. The measurement of
Electrical_impedance
Waves or particles moving through space
(1999), Federal Guidance Report 13, page 16: "For example, the ingestion coefficient risk for 40K would not be appropriate for an application to ingestion
Radiation
Array of antennas creating a steerable beam
imaging scanners (phased array ultrasonics), oil and gas prospecting (reflection seismology), and military sonar systems. The term "phased array" is also
Phased_array
Ratio of energy extracted from sunlight in solar cells
transmission and reflection. Measures can be taken to reduce these losses. The reflection losses, which can account for up to 10% of the total incident energy
Solar-cell_efficiency
Device that emits light via optical amplification
lasers or laser amplifiers where the light is guided due to the total internal reflection in a single mode optical fiber are instead called fiber lasers
Laser
Country in West Asia
International Monetary Fund. 14 April 2026. Retrieved 18 April 2026. "Gini Index coefficient". The World Factbook. Archived from the original on 4 February 2021.
Israel
Electric charge generated in certain solids due to mechanical stress
s66 = 1/G12, where G12 is the shear modulus. In total, there are four piezoelectric coefficients, dij, eij, gij, and hij defined as follows: d i j =
Piezoelectricity
Type of intelligence gathering
sounds is scattered, and this is taken into account by assigning a reflection coefficient whose magnitude is less than one. Rather than measuring surface
Geophysical_MASINT
Matrix representing a Euclidean rotation
rotation combines a proper rotation with reflections (which invert orientation). In other cases, where reflections are not being considered, the label proper
Rotation_matrix
Algorithm for supervised learning of binary classifiers
bits, and so on, taking O ( ln n ) {\displaystyle O(\ln n)} examples in total. The pocket algorithm with ratchet (Gallant, 1990) solves the stability
Perceptron
Object that reflects an image
they strike the mirror (incident light). This property, called specular reflection, distinguishes a mirror from objects that diffuse light, breaking up the
Mirror
Polarization state
and s linear polarizations are found by applying the Fresnel coefficients of reflection, which are generally different for those two linear polarizations
Circular_polarization
XEU before 1999). These averages conceal wide intra-year spreads. The coefficient of variation gives an indication of this. It also shows the extent to
Economy_of_the_United_Kingdom
Theory of interwoven space and time by Albert Einstein
theoretical explanations were proposed to explain Fresnel's dragging coefficient, that were completely at odds with each other. Even before the Michelson–Morley
Special_relativity
poverty and 5.3% lives in extreme poverty, resulting in 29.6% of Mexico's total population living below the national poverty line. According to CONEVAL
Poverty_in_Mexico
equal to about 1 d Active DIN 939 Studs with a length of engagement equal to about 1,25 d Active DIN 946 Determination of coefficient of friction of bolt/nut
List_of_DIN_standards
country has one of the lowest income inequalities in the EU, with a Gini coefficient of 29.6 in 2023. The economy is heavily reliant on exports, primarily
Economy_of_Hungary
or a pull, a torque can be thought of as a twist to an object. total internal reflection toughness The ability of a material to absorb energy and plastically
Glossary_of_physics
Personality trait
characterized introverts as people whose energy tends to expand through reflection and dwindle during interaction. This is similar to Jung's view, although
Extraversion_and_introversion
Thermodynamic quantity
known as the adiabatic index, the ratio of specific heats, or Laplace's coefficient, is the ratio of the heat capacity at constant pressure (CP) to heat
Heat_capacity_ratio
Signal processing filter
change by any appreciable amount. Typically, 15 to 25 iterations produce coefficient differences in the order of than 1.e-15. To illustrate the steps, the
Elliptic_filter
Quantum optical theoretical system
{\displaystyle n_{0}={\frac {1}{3}}(2m-2s+\alpha +1)} , and differential coefficient C x = s ( s + 1 ) − x ( x + 1 ) {\displaystyle C_{x}={\sqrt {s(s+1)-x(x+1)}}}
Tavis–Cummings_model
History of crystallography to 1895
(has a negative coefficient of thermal expansion) in a direction perpendicular to the trigonal axis while expanding (positive coefficient) along that axis
History of crystallography before X-rays
History_of_crystallography_before_X-rays
Ionized part of Earth's upper atmosphere
ultraviolet radiation from the Sun. Heaviside and Kennelly proposed atmospheric reflection as a model for long-range radio wave propagation, in which the electrically
Ionosphere
Country in Northern Europe
Outlook Database, October 2025: Edition (Latvia)". October, 14 2025. "Gini coefficient of equivalised disposable income". Eurostat. Archived from the original
Latvia
between the phases according to its partition coefficient which is also called the distribution coefficient, distribution constant, or partition ratio and
Countercurrent_chromatography
Mathematical transform that expresses a function of time as a function of frequency
expansion as a trigonometric integral, or a Fourier integral expansion. The coefficient functions a and b can be found by using variants of the Fourier cosine
Fourier_transform
Branch of mathematics
ideas of differential calculus and suggested that the "differential coefficient" vanishes at an extremum value of the function. In the 14th century,
Calculus
number of active hedge funds doubled to 60. Israel-based hedge funds have registered an increase of 162% from 2006 to 2012, when they managed a total of $2
Economy_of_Israel
Materials engineered to have properties that have not yet been found in nature
based composite in 3D made out of only positive or negative sign Hall coefficient materials. Later in 2015 Muamer Kadic et al. showed that a simple perforation
Metamaterial
Solar-cell architecture
performance derating of 93% were announced by Enel in 2022. The temperature coefficient refers to how the output power of a solar module changes with temperature
Heterojunction_solar_cell
Class of instruments
1960s. EBLs detect the total backscattered signal (particle and molecular contributions). Profiles of the extinction coefficient have to be estimated using
Atmospheric_lidar
Cascade of electronic components
for a transmission line, terminated in a mismatch, are Voltage Reflection coefficient = Γ, where Γ = (ZI − Z0)/(ZI + Z0) Return loss(power) = 20 log |Γ|
RF_chain
Surface-sensitive spectroscopy technique
strength can be improved by using special geometries, such as a total internal reflection setup which uses a prism to change the angles so they are close
Sum frequency generation spectroscopy
Sum_frequency_generation_spectroscopy
1986 nuclear accident in the Soviet Union
to steam and escaped the reactor core. The total water loss combined with a high positive void coefficient further increased the reactor's thermal power
Chernobyl_disaster
Species of bovid artiodactyl mammal
from the multiple extreme population bottlenecks in the TSBH led to a coefficient of inbreeding of 0.367, equal to the level of inbreeding that results
American_bison
Neural network that learns efficient data encoding in an unsupervised manner
than inputs, but only a small number of the hidden units are allowed to be active at the same time. Encouraging sparsity improves performance on classification
Autoencoder
is one of the world's wealthiest countries per capita, but its Gini coefficient is high in comparison to developed countries. Statistics on income inequality
Economy_of_Singapore
Country in Southern Africa
some 56% lived below the poverty line in 2014. Having the highest Gini coefficient of 0.67, South Africa is considered one of the most economically unequal
South_Africa
Pseudoscience linking character and blood type
subjects found that six genes affected human personality. However, the coefficient of determination was as low as 0.04%. This is usually considered to be
Blood_type_personality_theory
(1999), Federal Guidance Report 13, page 16: "For example, the ingestion coefficient risk for 40K would not be appropriate for an application to ingestion
List of common misconceptions about science, technology, and mathematics
List_of_common_misconceptions_about_science,_technology,_and_mathematics
Device that transmits and receives radio waves
horizontally polarized antenna reflects off the ground, with almost total reflection at the grazing angles important for ground wave propagation. That reflected
Antenna_(radio)
Deep learning method
_{\text{trans}}} samples identity-transform with probability 0.5, and horizontal-reflection with probability 0.5, then μ ref ′ {\displaystyle \mu _{\text{ref}}'}
Generative adversarial network
Generative_adversarial_network
Chemical compound found in some species of mushrooms
Accordingly, bufotenin is less lipophilic than psilocin in terms of partition coefficient. But bufotenin does still show significant central permeability and,
Psilocybin
Chemical compound
about 5 × 10−18 cm2 that allows scintillation photons to escape total internal reflection. This cross section is about 107 times larger than Thomson scattering
Gallium_arsenide
Plane curve
more rapidly. It is most concisely written in terms of the binomial coefficient with n = 1 / 2 {\displaystyle n=1/2} : C π ( a + b ) = ∑ n = 0 ∞ ( 1
Ellipse
Use of mechanosensory systems to sort particles
or negatively identify one of the two desired fractions. A size range coefficient of approximately three is advisable. A minimum amount of undersized fine
Sensor-based_sorting
Country in Central Europe
International Monetary Fund. 14 April 2026. Retrieved 14 April 2026. "Gini coefficient of equivalised disposable income – EU-SILC survey". ec.europa.eu. Eurostat
Slovenia
Form of electromagnetic radiation
semiconductor wafer, the index of refraction (n) and the extinction Coefficient (k) can be determined via the Forouhi–Bloomer dispersion equations. The
Infrared
Natural internal process that regulates the sleep-wake cycle
temperature compensation. The Q10 temperature coefficient is a measure of this compensating effect. If the Q10 coefficient remains approximately 1 as temperature
Circadian_rhythm
Developmental model adopted in Kerala
statewise trend in the estimates of poverty headcount ratio (HCR) and Gini coefficient show that Kerala reduced its HCR by 10.3% between 1988-1993 and then
Kerala_model
Precipitation in the form of ice crystal flakes
typically relies on the bearing strength of snow and contends with the coefficient of friction bearing on snow. Skiing is by far the largest form of winter
Snow
Spread of world views, products, ideas, capital and labor
traditional metrics, such as GDP, and look to other measures, such as the Gini coefficient or the Happy Planet Index, and point to a "multitude of interconnected
Globalization
TOTAL ACTIVE-REFLECTION-COEFFICIENT
TOTAL ACTIVE-REFLECTION-COEFFICIENT
Boy/Male
Tamil
Gunjik | கà¯à®¨à¯à®œà¯€à®•
Reflection
Gunjik | கà¯à®¨à¯à®œà¯€à®•
Boy/Male
Tamil
Reflection
Boy/Male
Hindu
Reflection
Girl/Female
Japanese
Mirror reflection.
Boy/Male
Tamil
Sacchidananda | ஸசà¯à®šà®¿à®¤à®¾à®¨à®‚தா
Total bliss
Sacchidananda | ஸசà¯à®šà®¿à®¤à®¾à®¨à®‚தா
Girl/Female
Bengali, Hindu, Indian
Reflection; Mirror
Boy/Male
Hindu
Total bliss
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Tamil, Telugu
Reflection; Outlook; Reflection Reflection
Boy/Male
Hindu
Reflection
Boy/Male
Indian, Sanskrit
Total; Real
Girl/Female
Hindu, Indian
Reflection
Boy/Male
Indian
Reflection; Gnawing Reflection
Boy/Male
Gujarati, Indian
Total Bliss
Girl/Female
Indian, Malayalam
Reflection
Girl/Female
Sikh
Family, Total, Entire
Male
English
Anglicized form of Irish Gaelic Tuathal, TOAL means "ruler of the people."
Girl/Female
Muslim
Total submission. Salutation.
Girl/Female
African, Arabic, Australian, Egyptian, Hindu, Indian, Tamil
Intelligent; Complete; Total
Girl/Female
Hindu, Indian, Tamil, Traditional
Complete; Total
Girl/Female
Muslim
Total submission. Salutation.
TOTAL ACTIVE-REFLECTION-COEFFICIENT
TOTAL ACTIVE-REFLECTION-COEFFICIENT
Girl/Female
Hebrew
Lord's vineyard.
Girl/Female
Hindu, Indian, Marathi, Tamil, Telugu
Name of a River
Boy/Male
Indian, Punjabi, Sikh
Brave King of Gods
Girl/Female
Hindu
Good minded
Girl/Female
Hindu
Good luck, Auspicious
Girl/Female
Indian, Punjabi, Sikh
A Prayer; Sweet Wish; Intelligent
Surname or Lastname
English
English : variant spelling of Halford.
Surname or Lastname
English
English : variant of Embury or Emery.
Boy/Male
Indian, Punjabi, Sikh
Beauteous and Wise
Male
Icelandic
Icelandic form of German Wolfgang, ÚLFGANGUR means "wolf path."
TOTAL ACTIVE-REFLECTION-COEFFICIENT
TOTAL ACTIVE-REFLECTION-COEFFICIENT
TOTAL ACTIVE-REFLECTION-COEFFICIENT
TOTAL ACTIVE-REFLECTION-COEFFICIENT
TOTAL ACTIVE-REFLECTION-COEFFICIENT
a.
Implying or producing rapid action; as, an active disease; an active remedy.
a.
Whole; not divided; entire; full; complete; absolute; as, a total departure from the evidence; a total loss.
n.
That which is produced by reflection.
n.
Want of reflection.
n.
The whole; the whole sum or amount; as, these sums added make the grand total of five millions.
n.
A part reflected, or turned back, at an angle; as, the reflection of a membrane.
n.
The return of rays, beams, sound, or the like, from a surface. See Angle of reflection, below.
n.
A device for reflecting sound.
n.
The act of reflecting, or turning or sending back, or the state of being reflected.
n.
Election beforehand.
a.
Given to reflection or serious consideration; reflective; contemplative; as, a reflecting mind.
a.
Having the power or quality of acting; causing change; communicating action or motion; acting; -- opposed to passive, that receives; as, certain active principles; the powers of the mind.
a.
Throwing back images; as, a reflective mirror.
n.
A reflecting telescope.
a.
In action; actually proceeding; working; in force; -- opposed to quiescent, dormant, or extinct; as, active laws; active hostilities; an active volcano.
n.
See Reflection.
a.
Requiring or implying action or exertion; -- opposed to sedentary or to tranquil; as, active employment or service; active scenes.
a.
Given to action; constantly engaged in action; energetic; diligent; busy; -- opposed to dull, sluggish, indolent, or inert; as, an active man of business; active mind; active zeal.
n.
Election a second time, or anew; as, the reelection of a former chief.
n.
An image given back from a reflecting surface; a reflected counterpart.