antenna pattern


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antenna pattern

(field pattern; polar diagram) See antenna.

antenna pattern

[an′ten·ə ‚pad·ərn]
(electromagnetism)
References in periodicals archive ?
In the general case, however, the array factor and a single element's pattern are inseparable, because we have to consider the distortions of the antenna patterns that stem from the DF components and DF environment.
58 dBm Antenna height 30 m Antenna gain 15 dBi Feeder loss 3 dB Base station (BS) ITU-R F.1336 with k=0.7 antenna pattern Antenna downtilt 3[degrees] Receiver noise figure NF = 5 dB Cell size/radius 8 km Sectorization 3 sectors Antenna polarization [+ or -] 45[degrees] Reference sensitivity -101.5 dBm I/N -6 dB BS unwanted emission limits Table 6.6.3.2.1-3 of 3GPP for 10 MHz channel bandwidth TS 36.104 (V11.2.0) TABLE II.
This algorithm estimates the channel phase errors by combining with the antenna pattern.
Therefore it is important to provide a basis to the antenna pattern angle definitions and aeronautical platform Euler angle definitions as in Figures 2 and 3, respectively.
Each antenna pattern radiation lobe in a direction other than proper direction is called side lobe.
In the chamber, a two-axis positioner in the common area can be used to conduct 3-D antenna pattern or RCS measurements.
The text is supplemented by an executable MATLAB program that can be used to determine the Doppler spectrum parameters for any antenna pattern and any terrain backscattering.
The directivity is a parameter that quantifies the directional characteristics of the antenna pattern. It is defined as the ratio of the antenna radiation intensity in a specific direction in space to the radiation intensity of an isotropic source, assuming equal radiated power.
The instrumentation used for anechoic chamber measurements is a system consisting of an Agilent/HP 8530 Microwave Receiver, 8530B Sweep Generator, 8714B S-Parameter Test Set, and a computer-controlled rotator for antenna pattern measurements, designed at The University of Mississippi.
The antenna pattern shows the antenna performance characteristics of spatial distribution of the electromagnetic field energy; the radiation characteristic of the antenna is always described by the pattern of field intensity power.
This gain change would not occur if the perfect dipole antenna pattern had been preserved once the antenna was mounted.

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