Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES

G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00

G01R29/02Measuring characteristics of individual pulses G01R29/023Measuring pulse width G01R29/027Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values G01R29/0273the pulse characteristic being duration G01R29/0276the pulse characteristic being rise time G01R29/033giving an indication of the number of times this occurs G01R29/04Measuring form factor G01R29/06Measuring depth of modulation G01R29/08Measuring electromagnetic field characteristics G01R29/0807characterised by the application G01R29/0814Field measurements related to measuring influence on or from apparatus, components or humans G01R29/0821rooms and test sites therefor G01R29/0828TEM-cells G01R29/0835Testing shielding G01R29/0842Measurements related to lightning G01R29/085for detecting presence or location of electric lines or cables G01R29/0857Dosimetry G01R29/0864characterised by constructional or functional features G01R29/0871Complete apparatus or systems; circuits G01R29/0878Sensors; antennas; probes; detectors G01R29/0885using optical probes G01R29/0892Details related to signal analysis or treatment; presenting results G01R29/10Radiation diagrams of aerials; Antenna testing in general G01R29/105using anechoic chambers; Chambers or open field sites used therefor G01R29/12Measuring electrostatic fields or voltage-potential G01R29/14Measuring field distribution G01R29/16Measuring asymmetry of polyphase networks G01R29/18Indicating phase sequence Indicating synchronism G01R29/20Measuring number of turns Measuring transformation ratio or coupling factor of windings G01R29/22Measuring piezo-electric properties G01R29/24Arrangements for measuring quantities of charge G01R29/26Measuring noise figure Measuring signal-to-noise ratio Measuring jitter