Dr. Uda was working in the VHF band and was looking for ways to make antennas more directional. While experimenting with a resonant loop antenna ... to further shape the beam.

When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on a high tower.

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Instead, it's going to be a directional beam. If you move around, that beam is going to have to follow you in order to maintain the link, and if you move outside of the beam or something blocks ...

There are essentially two types of antenna constructions: omnidirectional and directional. Omnidirectional antennas radiate ... Log-periodic antennas, which are multi-element, unidirectional, ...

Sidescan transducers are designed for a focused directional beam pattern to the side. Underwater acoustic transducers are often available as an array, several transducers arranged together as a system ...

The reliance on GPS and compasses in densely populated areas has led to instances where the blue dot and directional beam ...

Lasers (Light Amplification by Stimulated Emission of Radiation), which produce an intense and highly directional beam of light, are used in many teaching and research applications on RIT's campus.

The election model in this chapter generalizes that of the preceding chapter in two important ways: (i) This model allows much greater flexibility in the specification of the number of groups in the ...

Bulletin: ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of central ...

The SuperTrax is engineered to eliminate the problem of a narrow-focused directional beam with 360-degree dispersion. This adds to a wider soundstage and a more immersive listening experience. The 360 ...

Instead, it's going to be a directional beam. If you move around, that beam is going to have to follow you in order to ...