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Ratio of impedance of a loudspeaker
In an audio power amplifier, the damping factor is defined as the ratio of the rated impedance of the loudspeaker (usually assumed to be 8 Ω) to the source
Damping_factor
Influence on an oscillating physical system which reduces or prevents its oscillation
In physical systems, damping is the loss of energy of an oscillating system by dissipation. Damping is an influence within or upon an oscillatory system
Damping
Algorithm used to solve non-linear least squares problems
then the damping is increased by successive multiplication by ν {\displaystyle \nu } until a better point is found with a new damping factor of λ
Levenberg–Marquardt_algorithm
Resistor Inductor Capacitor Circuit
will not are overdamped. Damping attenuation (symbol α) is measured in nepers per second. However, the unitless damping factor (symbol ζ, zeta) is often
RLC_circuit
Resonator damping parameter
{1}{Q_{C}}}}}} For a single damped mass-spring system, the Q factor represents the effect of simplified viscous damping or drag, where the damping force or drag force
Q_factor
Algorithm used by Google Search to rank web pages
factors, but it is generally assumed that the damping factor will be set around 0.85. The damping factor is subtracted from 1 (and in some variations of
PageRank
Electronic control system
be near 0.707 (critical damping). With a single-pole filter, it is not possible to control the loop frequency and damping factor independently. For the
Phase-locked_loop
Topics referred to by the same term
Damping may also refer to: Damping (music) Damping torque Damping capacitor Damping off Measures of damping: Damping factor Damping capacity Damping matrix
Damping_(disambiguation)
Audio amplifier for headphones
would have a damping factor of >32, whereas the same headphone driven with an iPod touch 3G (7 Ω output impedance) would have a damping factor of just 4
Headphone_amplifier
Physical system that responds to a restoring force proportional to displacement
{mk}}}}} is called the "damping ratio". The value of the damping ratio ζ critically determines the behavior of the system. A damped harmonic oscillator can
Harmonic_oscillator
Physical process in cosmology
is a damping by diffusion, not of diffusion. The strength of diffusion damping is calculated by a mathematical expression for the damping factor, which
Diffusion_damping
Measure of the opposition to current flow by an internal electrical load
(2nd ed.). Merrill. pp. 243–246. ISBN 978-0-675-08771-1. Retrieved 27 October 2011. Calculation of the Damping Factor and the Damping of Impedance Bridging
Output_impedance
Measure for the damping of an oscillator
the damping ratio of an underdamped system in the time domain. The method of logarithmic decrement becomes less and less precise as the damping ratio
Logarithmic_decrement
driver have not been important enough to adjust for. The amplifier damping factor, which is the ratio of the nominal load impedance (driver voice coil)
Electrical characteristics of dynamic loudspeakers
Electrical_characteristics_of_dynamic_loudspeakers
Mechanical oscillations about an equilibrium point
{km}}} The damping ratio is used to characterize the amount of damping in a system. This is a ratio of the actual damping over the amount of damping required
Vibration
Failed suspension bridge in Washington, US
would continuously increase, with a negative damping factor, i.e., a reinforcing effect, opposite to damping. The collapse boosted research into bridge
Tacoma_Narrows_Bridge_(1940)
Relative movement between a machining tool and the workpiece
stability lobes diagram. The structure stiffness, damping ratio and the machining process damping factor, are the main parameters that defines the limit
Machining_vibrations
Description of the dynamics of magnetization in a solid
precessional term γ' depends on the damping term. This better represents the behavior of real ferromagnets when the damping is large. In 1996 John Slonczewski
Landau–Lifshitz–Gilbert equation
Landau–Lifshitz–Gilbert_equation
Effect in physics
In physics, Landau damping is a mechanism by which oscillations in a charged medium (typically a plasma) are damped by non-collisional interactions with
Landau_damping
Measure of the opposition to current flow by an external electrical load
Cambridge University Press, ISBN 0-521-31312-0 Calculation of the damping factor and the damping of impedance bridging Interconnection of two audio units - Input
Input_impedance
Stochastic matrix representing links between entities
The numerical coefficient α {\displaystyle \alpha } is known as a damping factor. Usually S is a sparse matrix and for modern directed networks it has
Google_matrix
Converts an electrical audio signal into a corresponding sound
attenuation within the passband, typically leading to a reduction in damping factor before the voice coil.[citation needed] An active crossover is an electronic
Loudspeaker
Integrated amplifier by NAD electronics
Frequency response: 10 Hz to 70 kHz Total harmonic distortion: 0.02% Damping factor: 55 Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio:
NAD_3020
Means of quantifying system performance
2016. McGregor, Chuck (31 January 2014). "What Is Loudspeaker Damping & Damping Factor (DF)?". Aiken, Randall. "What is Negative Feedback?". www.aikenamps
Audio_system_measurements
Physical characteristic of oscillating systems
pendulum). However, there are some losses from cycle to cycle, called damping. When damping is small, the resonant frequency is approximately equal to the natural
Resonance
Use of multiple amplifiers for a loudspeaker
The driving amplifier tries to control the effect of this with its damping factor (having a high resistance to such current), but with a passive crossover
Bi-amping_and_tri-amping
Line of cosmetics
Max Factor is a line of cosmetics from Coty, founded in 1909 as Max Factor & Company by Maksymilian Faktorowicz. Max Factor specialized in movie make-up
Max_Factor
Presence of unwanted moisture in the structure of a building
within the structure. A high proportion of damp problems in ʙ̩ are caused by ambient climate dependent factors of condensation and rain penetration. Capillary
Damp_(structural)
amplifier outputs should never be grounded or it may damage the amplifier. Damping factor is cut in half, which is beneficial to the power delivery. On audio
Bridged and paralleled amplifiers
Bridged_and_paralleled_amplifiers
International cricket player rankings
result, with more points gained for dismissing highly rated batsmen. A damping-factor is applied to a player's rating at the start of their career, so they
ICC_Men's_Player_Rankings
Process of constructing a curve that has the best fit to a series of data points
(S-curve) is used to describe the relation between crop yield and growth factors. The blue figure was made by a sigmoid regression of data measured in farm
Curve_fitting
Integral transform useful in probability theory, physics, and engineering
transform of a function is a complex function of a complex variable (damping factor σ {\displaystyle \sigma } and frequency τ {\displaystyle \tau } )
Laplace_transform
Characteristic quality of sounds from vacuum tube amplifiers
transconductance amp more or less by accident. Self, Douglas (2002) [1996]. "Damping factor". Audio Power Amplifier Design Handbook (3rd ed.). Newnes. p. 25. ISBN 0-7506-56360
Tube_sound
International cricket player rankings
result, with more points gained for dismissing highly rated batsmen. A damping-factor is applied to a player's rating at the start of their career. Cricket
ICC_Women's_Player_Rankings
Device put on or in the ears that plays sound
power they can provide. To ensure an even frequency response, adequate damping factor, and undistorted sound, an amplifier should have an output impedance
Headphones
leaf springs are damped by a damping ring, the tips of the longest leaves engaging in splines in the inner star. Hydraulic damping is provided, as the
Geislinger_coupling
Way of focusing a charged particle beam
two main ways of using radiation damping to reduce the emittance of a particle beam are the use of undulators and damping rings (often containing undulators)
Radiation_damping
Damping of electric fields
Coulomb potential multiplied by an exponential damping term, with the strength of the damping factor given by the magnitude of k0, the Debye or Thomas–Fermi
Electric-field_screening
Analog circuit which filters an electronic signal using an amplifier
frequency response curve near the corner frequency, determine the damping ratio or damping factor (= 1/(2Q)). This also affects the phase response, and the time
Active_filter
a barrier. Damping factor a.k.a. viscous damping coefficient (Physical Engineering) (units of newton-seconds per meter) - relates a damping force with
Physical_coefficient
Signal representation
phase shift, resonant frequencies, time constant, resonance width, damping factor, Q factor, harmonics, spectrum, power spectral density, eigenvalues, poles
Frequency_domain
Electric motor for discrete partial rotations
current promotes damping, so the drive circuit characteristics are important. The rotor ringing can be described in terms of damping factor. Stepper motors'
Stepper_motor
Type of moisture control in building construction
Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces
Damp_proofing
Methods to reduce sound pressure
from five to 20 decibels. Surface-damping materials are very effective at reducing structure-borne noise. Passive damping materials have been used since
Soundproofing
Time behavior of a system controlled by Heaviside step functions
\right)}{\sin \phi }}} when A0 tends to infinity and the feedback factor β is one. Notice that the damping of the response is set by ρ, that is, by the time constants
Step_response
Electronics component
drops, lower gauge (heavier) wire is needed to prevent degradation to damping factor – a measure of the amplifier's control over the position of the voice
Speaker_wire
component is computed as the product of the pile velocity times the damping factor (a soil parameter related to soil grain size). The static component
High_strain_dynamic_testing
Computer-based method for summarizing a text
constructed, it is used to form a stochastic matrix, combined with a damping factor (as in the random surfing model), and the ranking over vertices is obtained
Automatic_summarization
Family of sound cards by Creative Technology
output power and low output impedance of 1 Ohm so it can provide high damping factor for virtually any dynamic headphone). The card has an additional RGB
Sound_Blaster
Programming language used on DEC PDP-series machines
01.02 ASK "COORDINATES", X, Y 01.03 ASK "A1",A1,"OMEGA",W,"T0",T0,"DAMPING FACTOR",DAMPINGFACTOR If the user doesn't enter a number but enters text, the
FOCAL_(programming_language)
Vacuum tube with five electrodes
anode, Triodes have a lower internal anode resistance, and hence higher damping factor when used in audio output circuits, compared with pentodes, when negative
Pentode
Mixture of epoxy and granite
for coatings based on this. Epoxy granite materials have an internal damping factor up to ten times better than cast iron, up to three times better than
Epoxy_granite
Load measures the source's voltage without affecting it
matching should be used, according to the maximum power transfer theorem. Damping factor Impedance matching Eargle, John; Foreman, Chris (2002-01-01). Audio
Impedance_bridging
Cosmological paradox involving gravity
céleste, proposed a modified Newtonian law by adding an exponential damping factor Λ for large distances, of the form F ( r ) = G M m r 2 e − Λ r , {\displaystyle
Bentley's_paradox
Examples of the probabilistic construct
link from the current page with probability d {\displaystyle d} (the "damping factor", historically set around 0.85). Teleports to a completely random page
Examples_of_Markov_chains
Psychological theory
peak-to-peak range, in great detail. This simple model can be refined with a damping factor d which reduces the discrepancy between the model and the human participant
Perceptual_control_theory
American audio equipment manufacturer
double wall, double voice coil driver working in parallel to enhance damping factor. Subwoofer amplifier: unique for its 150-Ampere current capability,
Lipinski_Sound
Smart fluid whose viscosity increases in a magnetic field
used in heavy industry with applications such as heavy motor damping, operator seat/cab damping in construction vehicles, and more. As of 2006, materials
Magnetorheological_fluid
Valve amplifier designed by David Theodore Nelson Williamson
waveforms and transients; Low output impedance and, inversely, high damping factor. At the very least, output impedance of an amplifier must be lower than
Williamson_amplifier
expressions define a damped spectral ranking on G {\displaystyle G} and B {\displaystyle B} , respectively, with damping factor α {\displaystyle \alpha
Fibrations_of_graphs
Graphical representation of vibrations
Different damping ratios produce different SRSs for the same shock waveform. Zero damping will produce a maximum response. Very high damping produces a
Shock_response_spectrum
Metric used to rank web pages
G^{*}P^{*}=P^{*}} ). Here α ≈ 0.85 {\displaystyle \alpha \approx 0.85} is the damping factor taken at its usual value. PageRank, HITS algorithm, Google matrix Markov
CheiRank
Academic field
the probability that a random jump will occur. Contrasting is the "damping factor", or 1 − α {\displaystyle 1-\alpha } . R ( p ) = α N + ( 1 − α ) ∑ j
Network_science
Aspect of relativity in physics
possible speed for any interaction in nature. Formally, c is a conversion factor for changing the unit of time to the unit of space. This makes it the only
Gravitational_wave
_{n}^{2}-\omega ^{2})}}\right]\,\!} Here the quality factor of resonance, resonance angular frequency, and damping factor are: Q = 2 π 1 2 k z o 2 π D z o 2 ω n =
Magnetic_force_microscope
Behavior of structures subjected to time-varying loading
}} where c = damping coefficient critical damping coefficient {\displaystyle c={\frac {\text{damping coefficient}}{\text{critical damping coefficient}}}}
Structural_dynamics
Statistical physics approach
x {\displaystyle x} and ω {\displaystyle \omega } in addition to a damping factor, namely 1 + κ 2 x 2 {\displaystyle {\sqrt {1+\kappa ^{2}\,x^{2}}}}
Kaniadakis_statistics
Type of valve amplifier
applied was limited by phase shift in the output transformer); low damping factor (High Z out) output stages; the use of very large amounts of feedback
Valve_audio_amplifier
Electromagnetic waves that travel along an interface
Surface wave This lossless dispersion relation neglects the effects of damping factors, such as the intrinsic losses in metals. For lossy cases, the dispersion
Surface_plasmon_polariton
strictly valid, as there exists many damping factors such as viscous/wall/nozzle/relaxation/homogeneous/particle damping, mean-flow effects, etc., that are
Thermo-acoustic_instability
Technical specifications and detailed information on the valve audio amplifier
purpose-designed circuits are required. Reasonable efficiency and moderate Zout (damping factor) can be achieved. These effects mean that OTLs have selective speaker
Valve audio amplifier technical specification
Valve_audio_amplifier_technical_specification
Coherent delocalized electron oscillations
plasmas This lossless dispersion relation neglects the effects of damping factors, such as the intrinsic losses in metals. For lossy cases, the dispersion
Surface_plasmon
Quantum phenomenon
reflection excites the oscillator either out of phase resulting in higher damping rate accompanied with the radiation enhancement or in phase with the oscillator
Purcell_effect
American inventor (1943–1993)
One also had a switch that allowed its operator to choose the damping factor (Q factor) of the low frequencies between 0.6 and 1.0; this allowed people
Roy_Cizek
Mixture of gases present in mines and confined spaces
Blackdamp (also known as stythe or choke damp), sometimes found in enclosed environments such as mines, sewers, wells, tunnels and ships' holds, is an
Blackdamp
Signal processing technique
identities of Z-transform, α i {\displaystyle \alpha _{i}} are the damping factors and ω i {\displaystyle \omega _{i}} are the angular frequencies. The
Generalized pencil-of-function method
Generalized_pencil-of-function_method
Integral transform
(CWT) is very efficient in determining the damping ratio of oscillating signals (e.g. identification of damping in dynamic systems). CWT is also very resistant
Continuous_wavelet_transform
Method to characterize materials
The damping behaviour originates from anelastic processes occurring in a strained solid i.e. thermoelastic damping, magnetic damping, viscous damping, defect
Impulse_excitation_technique
reduced noise. Several factors contribute to the damping of micro-electro-mechanical resonators, including fluid damping and solid damping. Anchor losses are
Anchor_losses
Device designed to reduce vibrations in structures
motion of the damping mass and the red line shows the motion of the primary mass. The amplitude plot shows that at low frequencies, the damping mass resonates
Tuned_mass_damper
Chronic low-grade inflammation that develops with advanced age
overstimulation of the innate immune system. Inflammaging is a significant risk factor in mortality and morbidity in aged individuals. Inflammation is essential
Inflammaging
Vibration damping system in an engine
and diameter, which are dependent on the damping material/method used, to reduce mechanical Q factor, or damp, crankshaft resonances. A harmonic balancer
Harmonic_damper
Field of physics relating to optics and quantum mechanics)
applications, low damping of the oscillator's motion and thus high quality factors are desirable. In nano and micromechanics, the Q-factor of a system is
Levitated_optomechanics
Mechanical and acoustical property
compensation efficiency. The lesser the transmissibility the better is the damping or the isolation system. T < 1 {\displaystyle T<1} is Desirable, T = 1
Transmissibility_(vibration)
English actor (1947–1979)
high cholesterol may have been a factor in his early death. Beckinsale's death was met with great shock. Rising Damp co-star Frances de la Tour stated:
Richard_Beckinsale
Spectroscopic technique based on change of nuclear spin state
process through which they introduced the concept of "radiation damping." Radiation damping (RD) in Nuclear Magnetic Resonance (NMR) is an intrinsic phenomenon
Nuclear_magnetic_resonance
Regularization method for artificial neural networks
dilution is used for adding damping noise to the inputs. In that case, weak dilution refers to adding a small amount of damping noise, while strong dilution
Dropout_(neural_networks)
Rate of change of angle
can oscillate. If the spring is assumed to be ideal and massless with no damping, then the motion is simple and harmonic with an angular frequency given
Angular_frequency
Protocol for communicating routing information on the Internet
implementations of BGP flap damping, the application of flap damping in ISP networks is NOT recommended. ... If flap damping is implemented, the ISP operating
Border_Gateway_Protocol
Measurement of sound permeability
offer specialty products which use constrained-layer damping, which is a form of viscous damping. Damping generally increases the sound isolation of partitions
Sound_transmission_class
Recoil force on accelerating charged particle
on the amortissement or damping of the oscillator due to the emission of radiation. Qualitative discussions surrounding damping effects of radiation emitted
Abraham–Lorentz_force
International Standard
of equipment Qualification by seismic experience data Response spectra Damping Design considerations Structural supports, excluding foundations Foundation
IEEE_693
Type of overhead power line conductor
with a trapezoidal shape rather than round) and "self-damping" (SD), sometimes called "self-damping conductor" (SDC). A similar, higher temperature conductor
Aluminium-conductor steel-reinforced cable
Aluminium-conductor_steel-reinforced_cable
Type of molecules within cells
of the progressive grade of osteoarthritis. Furthermore, DAMP can be a useful prognostic factor for cancer. This would improve patient classification, and
Damage-associated molecular pattern
Damage-associated_molecular_pattern
Type of manufacturing that pours steel into net or near-net shapes
in machine applications where vibration is often a factor. Cast steel typically has a lower damping ability than cast iron, which can lead to excess vibration
Steel_casting
Model of shear deformation and bending effects
this Ansatz damping force (resembling viscosity) is that, whereas viscosity leads to a frequency-dependent and amplitude-independent damping rate of beam
Timoshenko–Ehrenfest beam theory
Timoshenko–Ehrenfest_beam_theory
Proposed psychiatric diagnosis
disorders in severe DAMP. Familial factors and pre- and perinatal risk factors account for much of the variance. Psychosocial risk factors appear to increase
Deficits in attention, motor control and perception
Deficits_in_attention,_motor_control_and_perception
Aircraft motion combining rolling and yawing
normally well damped in most light aircraft, though some aircraft with well-damped Dutch roll modes can experience a degradation in damping as airspeed
Dutch_roll
1995 film by Terry Gilliam
commentary by director Terry Gilliam and producer Charles Roven, The Hamster Factor and Other Tales of Twelve Monkeys (a making-of documentary), an archive
12_Monkeys
Prevention of transmission of vibration
spring, and damping elements and moves as a harmonic oscillator. The mass and spring stiffness dictate a natural frequency of the system. Damping causes energy
Vibration_isolation
travel, tourism, insurance
DAMPING FACTOR
DAMPING FACTOR
Boy/Male
Greek, Indian, Sanskrit
Self Controlled
Boy/Male
Tamil
Daring & dashing
Girl/Female
Latin
Lady.
Surname or Lastname
English and Scottish
English and Scottish : from Middle English derling, Old English dēorling ‘darling’, ‘beloved one’, a derivative of dēor ‘dear’, ‘beloved’ (see Dear 1). This was quite a common Old English byname, which remained current as a personal name into the 14th century. The surname probably derives at least in part from this use, probably in part also from a Middle English nickname.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : habitational name from any of various places in northern France named Dampierre, in honor of St. Peter. The first element, Dam- or Don, is an Old French title of respect (from Latin dominus ‘lord’), often prefixed to the names of saints.
Surname or Lastname
German
German : habitational name from Demmingen in Württemberg.English : variant of Deming.
Surname or Lastname
English
English : variant of Hamlin.
Female
Babylonian
, lady of the earth.
Surname or Lastname
English and Scottish
English and Scottish : habitational name, possibly from Dalling in Norfolk, which was named in Old English as ‘the place of the people (-inga-) of Dall(a)’.
Surname or Lastname
English
English : perhaps be a nickname from Middle English daring ‘trembling’, ‘crouching or transfixed with fear’.
Surname or Lastname
English and Irish
English and Irish : probably a hypercorrected form of Lappin.
Surname or Lastname
English
English : from an Old English hamming ‘dweller on a patch of land edged by water or marshland’, from Old English hamm (see Hamm) + the suffix -ing(as), denoting association with a person or place.
Male
English
 Alternate spelling of the English surname Deeming, DEMING means "act of judging." Compare with another form of Deming.
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Rajasthani, Tamil, Telugu
Lightning
Boy/Male
Hindu
Conquering, Self-controlled
Boy/Male
Hindu
Darling
Boy/Male
Hindu
Daring & dashing
Surname or Lastname
English
English : from Old English dēmung ‘judgement’, ‘act of judging’, hence a metonymic occupational name for a judge or for an arbiter of minor disputes. Compare Deemer and Deem.
Male
Chinese
virtue bright.
Girl/Female
Italian Hebrew
Dawning.
DAMPING FACTOR
DAMPING FACTOR
DAMPING FACTOR
DAMPING FACTOR
DAMPING FACTOR
DAMPING FACTOR
DAMPING FACTOR
travel, tourism, insurance