IEC 60050 - International Electrotechnical Vocabulary

Commission Electrotechnique Internationale
International Electrotechnical Commission
Международная Электротехническая Комиссия

Area: 101: Mathematics Index language:

Section 101-12: Concepts related to information
	101-12-01	information
	101-12-02	signal
	101-12-03	data
	101-12-04	code
	101-12-05	analogue
	101-12-06	discrete value
	101-12-07	digital
	101-12-08	hybrid (for representation of information)
	101-12-09	logic
Section 101-13: Distributions and integral transformations
	101-13-01	distribution
	101-13-02	unit step function
	101-13-03	general unit step function
	101-13-04	unit ramp
	101-13-05	signum
	101-13-06	Dirac function
	101-13-07	unit doublet
	101-13-08	Fourier series
	101-13-09	Fourier transform
	101-13-10	inverse Fourier transform
	101-13-11	Laplace transform
	101-13-12	inverse Laplace transform
	101-13-13	Z-transform
Section 101-14: Quantities dependent on a variable
	101-14-01	steady state
	101-14-02	transient (adjective and noun)
	101-14-03	oscillating
	101-14-04	oscillation
	101-14-05	aperiodic
	101-14-06	periodic
	101-14-07	period
	101-14-08	frequency
	101-14-09	synchronous
	101-14-10	instantaneous value
	101-14-11	peak value
	101-14-12	valley value
	101-14-13	peak-to-valley value
	101-14-14	mean (value)
	101-14-15	root-mean-square value (1) (subscript: q)
	101-14-16	root-mean-square value (2)
	101-14-17	geometric average (subscript: g)
	101-14-18	harmonic average (subscript: h)
	101-14-19	damped oscillation
	101-14-20	damping coefficient
	101-14-21	forced oscillation
	101-14-22	free oscillation
	101-14-23	resonance
	101-14-24	cycle
	101-14-25	relaxation oscillation
	101-14-26	pulse
	101-14-27	pulse train
	101-14-28	pulsed quantity
	101-14-29	alternating
	101-14-30	symmetrical (alternating) quantity
	101-14-31	pulsating
	101-14-32	direct component
	101-14-33	alternating component
	101-14-34	sinusoidal quantity
	101-14-35	amplitude
	101-14-36	angular frequency
	101-14-37	complex angular frequency
	101-14-38	phase
	101-14-39	initial phase
	101-14-40	phase difference
	101-14-41	(phase) lead
	101-14-42	(phase) lag
	101-14-43	in phase
	101-14-44	in quadrature
	101-14-45	in opposition
	101-14-46	positive half-wave
	101-14-47	negative half-wave
	101-14-48	rectified value
	101-14-49	fundamental (component)
	101-14-50	fundamental frequency
	101-14-51	harmonic (component)
	101-14-52	harmonic number
	101-14-53	sub-harmonic
	101-14-54	harmonic content
	101-14-55	(total) harmonic factor
	101-14-56	form factor
	101-14-57	peak factor
	101-14-58	frequency band
	101-14-59	(frequency) bandwidth
	101-14-60	beat
	101-14-61	beat frequency
	101-14-62	phasor
	101-14-63	noise
	101-14-64	random
	101-14-65	probability
	101-14-66	random variable
	101-14-67	stationary random
	101-14-68	ergodic
	101-14-69	spectrum
	101-14-70	power spectrum
	101-14-71	power spectral density
	101-14-72	correlation function
	101-14-73	autocorrelation function
	101-14-74	crosscorrelation function
	101-14-75	probability distribution
	101-14-76	distribution function
	101-14-77	probability density
	101-14-78	expectation (of a random variable)
	101-14-79	variance
	101-14-80	standard deviation
	101-14-81	p-fractile (of a probability distribution)
	101-14-82	median
Section 101-15: Waves
	101-15-01	wave
	101-15-02	waveform
	101-15-03	wavefront
	101-15-04	direction of propagation
	101-15-05	plane wave
	101-15-06	longitudinal wave
	101-15-07	transverse wave
	101-15-08	wavelength
	101-15-09	wave number
	101-15-10	phase velocity
	101-15-11	dispersive
	101-15-12	group velocity
	101-15-13	forward wave
	101-15-14	backward wave
	101-15-15	propagation coefficient
	101-15-16	attenuation coefficient
	101-15-17	phase coefficient
	101-15-18	geometric optics
	101-15-19	incident wave
	101-15-20	diffracted wave
	101-15-21	refracted wave
	101-15-22	reflected wave
	101-15-23	coherence
	101-15-24	phase interference
	101-15-25	standing wave
	101-15-26	node (of a standing wave)
	101-15-27	antinode