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E9B - Antennas and Transmission Lines

Extra Class

Antenna patterns: E and H plane, major and minor lobes, polarization

11 questions | Updated: Feb 4, 2026

All E0A E1A E1B E1C E1D E1E E1F E2A E2B E2C E2D E2E E3A E3B E3C E4A E4B E4C E4D E4E E5A E5B E5C E5D E6A E6B E6C E6D E6E E6F E7A E7B E7C E7D E7E E7F E7G E7H E8A E8B E8C E8D E9A E9B E9C E9D E9E E9F E9G E9H
E9B01

What is the 3 dB beamwidth of the antenna radiation pattern shown in Figure E9-1?
E9B02

What is the front-to-back ratio of the antenna radiation pattern shown in Figure E9-1?
E9B03

What is the front-to-side ratio of the antenna radiation pattern shown in Figure E9-1?
E9B04

What is the front-to-back ratio of the radiation pattern shown in Figure E9-2?
E9B05

What type of antenna pattern is shown in Figure E9-2?
E9B06

What is the elevation angle of peak response in the antenna radiation pattern shown in Figure E9-2?
E9B07

What is the difference in radiated power between a lossless antenna with gain and an isotropic radiator driven by the same power?
E9B08

What is the far field of an antenna?
E9B09

What type of analysis is commonly used for modeling antennas?
E9B10

What is the principle of a Method of Moments analysis?
E9B11

What is a disadvantage of decreasing the number of wire segments in an antenna model below 10 segments per half-wavelength?