Home > Terms > English, UK (UE) > Aperture angle

Aperture angle

For an antenna or telescope or microscope, the half angle formed by the radius of the detecting instrument, as viewed from the source.

This is auto-generated content. You can help to improve it.
0
Improve it
More
Collect to Blossary

Other Languages:

More

Member comments

You have to log in to post to discussions.

Related terms

aperture angle
Engineering; Electronic engineering

For an antenna or telescope or microscope, the half angle formed by the radius of the detecting instrument, as viewed from the source.

Aperture
Consumer electronics; Digital Cameras

The lens opening, which permits light to expose the CCD on a digital camera or film (in a traditional camera). The aperture size is either fixed or adjustable, and is calibrated ...

Aperture
Photography; Photography techniques

The amount of light passing through the lens is controlled by the aperture hole. The aperture value indicates how much light can pass through. Since it is expressed as f/2.8, ...

Aperture
Photography; Lenses

The adjustable opening —or f-stop— of a lens, which determines how much light passes through the lens on its way to the film plane, or nowadays, to the surface of the camera's ...

angle
Games; Poker

A technically legal, but borderline unethical, play. For example, deliberately miscalling one's own hand to induce a fold, or placing odd amounts of chips in the pot to confuse ...

angle
Mathematics; Geometry

The union of two rays with a common endpoint, called the vertex.

Alexanderson
Engineering; Electronic engineering

American inventor who developed the first practical television system in 1930. He later improved upon his invention when he developed color television in 1955.

decibel (dB)
Engineering; Electronic engineering

A practical unit of relative gain. In terms of power, the relative gain in decibels is equal to: Gain (dB) = 10 log 10 ( P out /P in ), where P out is the output power and P ...

audio-frequency meter
Engineering; Electronic engineering

An instrument to measure frequencies in the audio-frequency spectrum (approximately 20 Hz to 20 kHz). Three types are commonly used: * Analog - Gives direct indications of ...

Boltzmann's principle
Engineering; Electronic engineering

A description of the statistical distribution of large numbers of tiny particles under the influence of a force, such as an electric or magnetic field. When the system is in ...

current-hogging injection logic (CHIL)
Engineering; Electronic engineering

A form of bipolar digital logic, similar to current hogging logic but having the greater density characteristic of injection logic.

current-limiting resistor
Engineering; Electronic engineering

A series resistor inserted into a circuit to limit the current to a prescribed value.

Terms in the News

Featured Terms

Harry8L
  • 0

    Terms

  • 0

    Blossaries

  • 1

    Followers

Industry/Domain: Entertainment Category: Movies

Transformers: Age of Extinction

The fourth installment of the hit franchise Transformers, a series of science fiction action films based on the popular transformer toys created by ...

Contributor

Featured blossaries

Aircraft

Category: Engineering   1 9 Terms

Poptropica

Category: Entertainment   2 10 Terms

Browers Terms By Category

TERMS

SOCIAL

EXTRAS

SOLUTIONS