Antenna Terms and Definitions

xdouliu

Antenna Terms and Definitions

xdouliu

【文件名】:07517@52RD_Antenna Terms and Definitions Rev A 0120031.pdf
【格　式】:pdf
【大　小】:152K
【简　介】:Antenna Terms and Definitions Rev A 0120031
【目　录】:ANTENNA TERMS AND DEFINITIONS ......................................................................................................4
Antenna.................................................................................................................................................4
Bandwidth .............................................................................................................................................4
Circular polarization ...............................................................................................................................4
Co-polarization......................................................................................................................................4
Cross-polarization .................................................................................................................................4
Decibel ..................................................................................................................................................4
Dielectrics .............................................................................................................................................5
Dipole....................................................................................................................................................5
Directional Antenna...............................................................................................................................5
Directivity ..............................................................................................................................................5
Diversity ................................................................................................................................................5
E-plane..................................................................................................................................................5
Effective Isotropic Radiated Power (EIRP) ............................................................................................5
Effective Radiated Power (ERP)............................................................................................................5
Efficiency...............................................................................................................................................6
Elements ...............................................................................................................................................6
Far-field region......................................................................................................................................6
Feed lines .............................................................................................................................................6
Field strength ........................................................................................................................................6
Frequency bandwidth............................................................................................................................6
Front-to-back ratio.................................................................................................................................6
Gain measurement ...............................................................................................................................6
Ground plane ........................................................................................................................................7
H-plane .................................................................................................................................................7
IMD (Isolated Magnetic Dipole) .............................................................................................................7
Impedance ............................................................................................................................................7
Impedance matching.............................................................................................................................7
Impedance mismatch............................................................................................................................7
Input Impedance ...................................................................................................................................7
Isolation.................................................................................................................................................7
Isotropic radiator ...................................................................................................................................7
Lambda .................................................................................................................................................7
Linear Polarization ................................................................................................................................7
Matching ...............................................................................................................................................8
Monopole ..............................................................................................................................................8
Multi-path signals ..................................................................................................................................8
Null ........................................................................................................................................................8
Omni-directional antenna.......................................................................................................................8
PiFA ......................................................................................................................................................8
Polarization ...........................................................................................................................................8
Radiation efficiency...............................................................................................................................9
Radiation pattern...................................................................................................................................9
Radiator ................................................................................................................................................9
Return loss............................................................................................................................................9
SAR (Specific Absorption Rate).............................................................................................................9
SAR-to-efficiency ratio ...........................................................................................................................9
Stub.......................................................................................................................................................9
SWR (Standing wave ratio)..................................................................................................................10
VSWR (Voltage standing wave ratio) ..................................................................................................10
Wavelength ...............................................................................................................................