Betekenis van:
field strength
field strength
Zelfstandig naamwoord
- veldsterkte
- the vector sum of all the forces exerted by an electrical or magnetic field (on a unit mass or unit charge or unit magnetic pole) at a given point in the field
Synoniemen
Hyperoniemen
Hyponiemen
Voorbeeldzinnen
- the activation field strength;
- Max. power/Field strength
- Radius of zone with maximum power/field strength of 500 mW e.r.p.
- Magnetic field strength is a vector quantity (H), which, together with the magnetic flux density, specifies a magnetic field at any point in space.
- transponders applying FDX-B technology shall have a minimum activating magnetic field strength less than or equal to 1,2 A/m, as measured according to the ISO standard 24631-3, part 7.6.4 “Minimum activating magnetic field strength in FDX-B mode” and shall develop a modulation amplitude equivalent to 10 mV as measured according to the ISO standard 24631-3, part 7.6.6 “Modulation amplitude in FDX-B mode”, at a magnetic field strength less than or equal to 1,2 A/m.’
- transponders applying HDX- technology shall have a minimum activating magnetic field strength less than or equal to 1,2 A/m, as measured according to the ISO standard 24631-3, part 7.6.5 “Minimal activating magnetic field strength in HDX mode” and shall develop a modulation amplitude equivalent to 10 mV as measured according to the ISO standard 24631-3, part 7.6.7 “Modulation amplitude in HDX mode” at a magnetic field strength less than or equal to 1,2 A/m;
- Furthermore the total field strength is -5 dΒμΑ/m at 10 m for systems operating at bandwidths larger than 10 kHz
- Furthermore the total field strength is – 5 dΒμΑ/m at 10 m for systems operating at bandwidths larger than 10 kHz
- At each desired test frequency, a level of power shall be fed into the stripline to produce the required field strength at the antenna.
- Furthermore the total field strength is – 5 dBμA/m at 10 m for systems operating at bandwidths larger than 10 kHz
- That programme should be established also with a view to further improving European strength and excellence in the field of sustainable energy technologies and their application.
- Magnetic field strength is a vector quantity (H), which, together with the magnetic flux density, specifies a magnetic field at any point in space. It is expressed in amperes per metre (A/m).
- It shall be subjected to the electromagnetic field test described in IEC Publication 839-1-3-1998 test A-13 with a frequency range from 20 to 1000 MHz, and for a field strength level of 30 V/m.
- In the 865,6-867,6 MHz frequency band, the maximum power/field strength shall not be higher than 500 mW effective radiated power (e.r.p.) in the zones as defined in the Annex.
- If tests are made using the method described in Annex VI, the field strength shall be 30 volts/m rms in over 90 % of the 20 to 2000 MHz frequency band and a minimum of 25 volts/m rms over the whole 20 to 2000 MHz frequency band.