Retarded potentials, dipoles of arbitrary length, radiation pattern, gain ... Log-periodic and Yagi arrays. Radiation from apertures: the waveguide horn antenna, parabolic dish. Antenna noise ...

Loop antennas have radiation patterns that are omnidirectional ... Including loop antennas in an array or as part of Yagi configuration will further increase directivity. Omnidirectional antennas ...

Kelley, "A Circularly Polarized Loop Yagi Array Using a Driven Element with Two Reactive ... Kelley and Warren L. Stutzman, "Array Antenna Pattern Modeling Methods that Include Mutual Coupling Effects ...

Typhoon Yagi is the most powerful storm to hit Vietnam in 30 years At least 127 people have now died and 54 others are missing in northern Vietnam, according to officials, as a super typhoon which ...

UNICEF is helping families meet urgent needs following flooding and landslides caused by Super Typhoon Yagi, the worst storm to hit Vietnam in decades. A mother and son stand inside their flooded ...

Historically, testing Controlled Reception Pattern Antenna (CRPA) systems in a laboratory has been a very difficult process — dynamics were limited and test duration was usually short. Often, dynamic ...

Monitoring traffic with this passive radar will not do a thing to slow drivers down, but it’s a pretty cool hack that will at least yield some insights into traffic patterns. The principle ...

Typhoon Yagi swept across southeast Asia this week, with heavy rain triggering landslides and flash floods that have left ...

Super typhoon Yagi slammed into Wenchang city in the north-east of Hainan island with winds of 223 km/h (138 mph) at 16:00 local time (09:00 BST) on Friday, according to state media. Yagi is the ...

Fans are buzzing after news broke of a relationship between Yagi Yusei, a popular Japanese idol group FANTASTICS member from ...