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SRPS IEC 60050-101:2015
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SRPS IEC 60050-101:2015
International Electrotechnical Vocabulary (IEV) - Part 101: Mathematics
SRPS IEC 60050-101:2015
Terms
(frequency) bandwidth
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(phase) lag
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(phase) lead
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(scalar) potential
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(total) harmonic factortotal harmonic distortion (deprecated in this sense)distortion factor (deprecated in this sense)
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(vector) line element
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(vector) sum
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(vector) surface element
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absolute value
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alternating
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alternating componentripple content
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amplitude
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analogueanalog (US)
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angle (between two vectors)
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angular frequency (symbol: w) pulsatance
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aperiodic
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argument (symbol: arg)
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attenuation coefficient (symbol: α)
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autocorrelation function
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backward wave
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base vector
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beat
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beat frequency
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code
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coherence
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complex angular frequency (symbol: s)complex pulsatance
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complex number
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component (of a vector)coordinate (of a vector)
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component vector (of a vector)
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conjugate
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correlation function
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crosscorrelation functionintercorrelation function
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cycle
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damped oscillation
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damping coefficient (symbol: δ)
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data
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diffracted wave
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digital
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Dirac function (symbol: δ)unit pulseunit impulse (US)
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direct component
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direction of propagation
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discrete value
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dispersive
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distribution
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distribution function
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divergence
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equipotential
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ergodic
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expectation (of a random variable)mean (of a random variable)
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field
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field quantity
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flux (of a vector quantity)
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forced oscillation
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form factor (symbol: F)
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forward wave
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Fourier series
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Fourier transform
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free oscillation
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frequency (symbol: f)
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frequency band
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fundamental (component)first harmonic (deprecated)
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fundamental frequency
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general unit step function
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geometric average (subscript: g)logarithmic averagegeometric mean value
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geometric optics
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gradient
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group velocity
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harmonic (component)
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harmonic average (subscript: h)inverse averageharmonic mean value
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harmonic content
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harmonic number harmonic order
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hybrid (for representation of information)
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imaginary part
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in opposition
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in phase
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in quadrature
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incident wave
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information
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initial phase (symbol: J0)phase angle
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instantaneous value
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inverse Fourier transform
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inverse Laplace transform
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irrotational field
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Laplace transform
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Laplacian (of a scalar field quantity)
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Laplacian (of a vector field quantity)
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line integral
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logic
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longitudinal wave
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magnitude (of a vector)
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matrix
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mean (value)(arithmetical) mean(arithmetical) average
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median
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modulus
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nabla (operator) (symbol: Ñ)
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negative half-wave
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node (of a standing wave)
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noise
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orthogonal
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orthonormal
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oscillating
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oscillation
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p-fractile (of a probability distribution)p-quantile (of a probability distribution)
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peak factor
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peak value
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peak-to-valley valuepeak-to-peak value (obsolete)
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period
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periodic
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phase (symbol: J)instantaneous phase
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phase coefficient (symbol: β)phase-change coefficient
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phase difference (symbol: φ)
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phase interferencewave interference
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phase velocity
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phasor
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plane wave
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positive half-wave
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power spectral densitypower spectrum density
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power spectrum
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probability
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probability density
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probability distribution
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propagation coefficient (symbol: γ)
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pulsating
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pulse
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pulse train
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pulsed quantity
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random
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random variable
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real part
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rectified valueaverage absolute value
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reflected wave
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refracted wave
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relaxation oscillation
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resonance
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right-handed trihedron
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root-mean-square value (1) (subscript: q)rms value (1)quadratic value
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root-mean-square value (2)rms value (2)effective value
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rotation curl
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scalar (quantity)
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scalar line element (symbol: ds)
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scalar line integralcirculation
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scalar productdot product
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scalar surface element (symbol: dA)
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signal
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signum (symbol: sgn)
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sinusoidal quantity
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spectrum
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square root
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standard deviation
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standing wave
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stationary random
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steady state
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sub-harmonic
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surface integral
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symmetrical (alternating) quantity
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synchronous
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tensor (quantity) (of second order)
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transient
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transverse wave
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unit doublet (symbol: δ′)
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unit ramp
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unit step function [symbol: ε(x)]Heaviside function
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unit vector
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valley value
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variance
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vector (quantity)
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vector potential
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vector productcross product
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volume integral
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wave
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wave numberrepetency
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waveform
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wavefront
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wavelength (symbol: λ)
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Z-transform
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zero divergence fieldsolenoidal field
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