462 woorden met de letter
H:
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H bend
EN: H bend, H-plane bend
NL: H-vlakbochtDefinitie EN: waveguide bend in which the longitudinal axis of the guide remains in a plane parallel to the magnetic field vectors throughout the bend
H c
EN: H c, critical field
NL: kritisch veldDefinitie EN: H c is defined such that uo H 2 c/2 equals the difference between the Gibbs free energies per unit volume of the Meissner state in zero field and the normal state; for a type I superconductor H c is also the magnetic field at which, in a bulk specimen of zero demagnetising coefficient, the Meissner state is in thermodynamic equilibrium with the normal state
H c1
EN: H c1, lower critical field
NL: onderste kritische veld, benedenste kritische veldDefinitie EN: magnetic field at which, in a bulk specimen of a type II superconductor of zero demagnetising coefficient, the Meissner state and the mixed state are in thermodynamic equilibrium
H mode
EN: H mode, TE mode, transverse electric mode
NL: TE-modus, H-modusDefinitie EN: a normal mode in which the longitudinal component of the electric field strength vector is everywhere zero and the longitudinal component of the magnetic field vector is not everywhere zero
H network
EN: H network
NL: H-netwerkDefinitie EN: a network composed of five impedances,two connected in series between an input terminal and an output terminal,two connected in series between another input terminal and another output terminal,and the fifth connected from the junction point of the first two impedances to the junction point of the second two impedances
h-matrix
EN: h-matrix
NL: h-matrixDefinitie EN: array of terms that may have the dimensions of impedance and admittance or may be dimensionless, normally used to characterise certain properties of an electrical network; applicable to hybrid equivalent circuits
h-parameters
EN: h-parameters, hybrid parameters
NL: hybride parametersDefinitie EN: small-signal a-c parameters
H-plane bend
EN: H-plane bend, H bend
NL: H-vlakbocht, H-bochtDefinitie EN: a waveguide bent so that throughout the length of the bend the direction of polarization(of the electric field of the dominant mode)is perpendicular to the plane defined by the line of centres
H-plane bend
EN: H-plane bend
NL: H-vlakbochtDefinitie EN: waveguide bend in which the longitudinal axis of the guide remains in a plane parallel to the magnetic field vectors throughout the bend
H-plane corner
EN: H-plane corner, H corner
NL: H-vlakknikDefinitie EN: waveguide corner in which the longitudinal axis of the guide remains in a plane parallel to the magnetic field vectors throughout the corner
H-plane corner
EN: H-plane corner
NL: H-vlakknikDefinitie EN: waveguide corner in which the longitudinal axis of the guide remains in a plane parallel to the magnetic field vectors throughout the corner
H-plane T circulator
EN: H-plane T circulator
NL: H-vlak-T-circulatorDefinitie EN: junction circulator in the form of an H-plane T junction
H-plane T junction
EN: H-plane T junction, shunt T
NL: H-vlak-T-stukDefinitie EN: T junction in which the electric field strength vectors of the dominant mode in all arms are orthogonal to the plane containing the longitudinal axes of the arms
H-plane T junction
EN: H-plane T junction
NL: H-vlak-T-stukDefinitie EN: T junction in which the electric field strength vectors of the dominant mode in all arms are orthogonal to the plane containing the longitudinal axes of the arms
H-plane Y circulator
EN: H-plane Y circulator
NL: H-vlak-Y-circulatorDefinitie EN: junction circulator in the form of an H-plane Y junction
H.T.delay time
EN: H.T.delay time
NL: hoogspanning-vertragingstijdDefinitie EN: time interval between the instant at which a stated heater or filament voltage is reached and the instant at which the high tension may be applied
H.T.warm-up time
EN: H.T.warm-up time
NL: hoogspanning-opwarmtijdDefinitie EN: time interval between the start of application of the high tension and the instant at which a stated value of one of the following characteristics is obtained:frequency rate of drift of frequency output power anode current
halation
EN: halation, halo
NL: haloDefinitie EN: the presence of one or more illuminated annular areas surrounding the spot,caused by reflection,from the front and rear surfaces of the face-plate,of light originating from the spot
halation
EN: halation
NL: haloDefinitie EN: the presence of one or more illuminated annular areas surrounding the spot,caused by reflection,from the front and rear surfaces of the face-plate,of light originating from the spot
half bridge
EN: half bridge
NL: weerstandsbrug met 2 rekstrookjesDefinitie EN: two active elements or strain gages
half transponder
EN: half transponder
NL: halve transponderDefinitie EN: a method of transmitting two TV signals through a single transponder through the reduction of each TV signal's deviation and power level
half-coil
EN: half-coil
NL: halve spoelDefinitie EN: either of two parts which,when connected together,would form a complete coil and which comprise a coil side and appropriate end winding
half-controllable connection
EN: half-controllable connection
NL: volledig stuurbare schakelingDefinitie EN: non-uniform connection with half of the number of principal arms controllable
half-cycle
EN: half-cycle
NL: halve periodeDefinitie EN: the time interval corresponding to half a cycle,or 180º,at the operating frequency of a circuit or device
half-cycle transductor
EN: half-cycle transductor
NL: halve-periodetransductorDefinitie EN: transductor,the control of which during each half-cycle is entirely determined by the value of the control quantity during the immediately preceding half-cycle.Also,a transductor such that the delay from a change of the control quantity to the subsequent change of the controlled quantity is one half-period
half-duplex
EN: half-duplex, semi-duplex
NL: halfduplex, HDX, half-duplexDefinitie EN: a method of communication between two points in which signals may be transmitted and received but in only one direction at a time, with or without an interrupt feature enabling the receiving station to interrupt the sending station
half-hourly demand
EN: half-hourly demand
NL: halfuur-vermogenDefinitie EN: the average demand taken over a time interval of half an hour,defined within the tariff and designated as the demand integration period
half-tone distortion
EN: half-tone distortion
NL: grijstrapdistorsieDefinitie EN: distortion affecting a picture signal,having the effect of changing the relative values of different half-tones
half-value angle
EN: half-value angle
NL: halfwaardehoekDefinitie EN: angle of observation at which the luminance has half the value of the luminance of the diffused light at the angle of 0°,with perpendicular incidence of the light
half-wave
EN: half-wave
NL: halve golfDefinitie EN: half of a complete wave,i.e.a complete rise and fall in one direction
half-wave plate
EN: half-wave plate
NL: halvegolfplaatDefinitie EN: in a waveguide capable of propagating two waves of orthogonal polarisations having the same phase coefficient,a device which introduces a phase-shift of pi[pi/2] radians of one wave with respect to the other
half-wave rectifier
EN: half-wave rectifier
NL: enkelzijdige gelijkrichterDefinitie EN: a rectifier circuit which operates by permitting the passage of current during alternate half-cycles only
Hall coefficient
EN: Hall coefficient
NL: HallcoëfficiëntDefinitie EN: the coefficient of proportionality R in the Hall effect quantitative relation
Hall constant
EN: Hall constant
NL: Hall-constanteDefinitie EN: a constant of proportionality between the Hall voltage and the intensity of the attendant current flow and magnetic field
Hall detector
EN: Hall detector, Hall effect magnetometer, Hall probe
NL: Hallsonde, Hall-sondeDefinitie EN: a Hall effect device specifically designed for the measurement of magnetic flux density
Hall effect
EN: Hall effect
NL: hall-effectDefinitie EN: the production in a conductor or in a semiconductor of an electric field strength proportional to the vector product of the current density by the magnetic flux density
Hall effect reproducing head
EN: Hall effect reproducing head
NL: hall-effect kopDefinitie EN: a reproducing head which uses semi-conductors sensitive to the Hall effect
Hall generator
EN: Hall generator, Hall-effect generator
NL: Hall-generatorDefinitie EN: a Hall plate,together with leads and,where used,encapsulation and ferrous or non-ferrous plates
Hall generator
EN: Hall generator
NL: Hall-generatorDefinitie EN: a Hall plate,together with leads and,where used,encapsulation and ferrous or non-ferrous plates
Hall mobility
EN: Hall mobility
NL: beweeglijkheid ten gevolge van het Hall-effectDefinitie EN: the value of the drift mobility of a charge-carrier species as determined from Hall-effect measurements
Hall mobility
EN: Hall mobility
NL: HallbeweeglijkheidDefinitie EN: the product of the Hall coefficient and the electric conductivity
Hall multiplier
EN: Hall multiplier, Hall-effect multiplier
NL: vermenigvuldiger met het Hall-effectDefinitie EN: a Hall effect device which contains a Hall generator and a coil as source of magnetic flux,such that the output quantity is proportional to the product of the control current and the current producing the magnetic flux
Hall multiplier
EN: Hall multiplier
NL: vermenigvuldiger met het Hall-effectDefinitie EN: a Hall effect device which contains a Hall generator and a coil as source of magnetic flux,such that the output quantity is proportional to the product of the control current and the current producing the magnetic flux
Hall plate
EN: Hall plate
NL: HallgeneratorDefinitie EN: a Hall effect device having three dimensions
Hall probe
EN: Hall probe, Hall effect magnetometer, Hall detector
NL: Hallsonde, Hall-sondeDefinitie EN: a Hall effect device specifically designed for the measurement of magnetic flux density
Hall probe
EN: Hall probe, Hall detector, Hall effect magnetometer
NL: Hall-sonde, HallsondeDefinitie EN: a Hall effect device specifically designed for the measurement of magnetic flux density
Hall probe
EN: Hall probe
NL: HallsondeEN: Hall effect magnetometer
NL: Hall-sondeDefinitie EN: a Hall effect device specifically designed for the measurement of magnetic flux density
Hall sensor
EN: Hall sensor
NL: Hall-sensorDefinitie EN: a feedback device which is used in a brushless servo system to provide information for the amplifier to electronically commutate the motor
Hall terminals
EN: Hall terminals
NL: HallklemmenDefinitie EN: the terminals of a Hall generator between which the Hall voltage appears
Hall voltage
EN: Hall voltage
NL: Hall-spanningDefinitie EN: the voltage generated in a Hall plate due to the Hall effect
Letter H:
1 2 3 4 5 6 7 8 9 10 VolgendeA
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
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