1 : an arc of the horizon measured between a fixed point (such as true north) and the vertical circle passing through the center of an object usually in astronomy and navigation clockwise from the north point through 360 degrees.

What is meaning of azimuthal angle?

1 : an arc of the horizon measured between a fixed point (such as true north) and the vertical circle passing through the center of an object usually in astronomy and navigation clockwise from the north point through 360 degrees.

What is the azimuthal plane?

In northern hemisphere, the plane azimuth is defined as the angle between south and collector plane. This angle is taken as negative toward east, i.e. goes in the antitrigonometric direction. Example: south plane, azimuth = 0, east plane, azimuth = -90°.

Why is it called azimuth?

Etymology. The word azimuth is used in all European languages today. It originates from medieval Arabic السموت (al-sumūt, pronounced as-sumūt), meaning “the directions” (plural of Arabic السمت al-samt = “the direction”).

What is azimuth in radar?

The first piece of information is the angle of the radar beam with respect to north; called the “azimuth angle”. The second is the angle of the beam with respect to the ground; called the “elevation angle”. The third piece of information needed is the distance (D) from radar to target.

What is azimuth of a line?

The azimuth of a line is defined as the horizontal angle, measured clockwise, from a base direction to the given line. They are usually measured from the north and vary from 0° to 360° and so they do not require letters to categorize their quadrant.

What is azimuth and altitude?

Altitude in this sense is expressed as angular elevation (up to 90°) above the horizon. Azimuth is the number of degrees clockwise from due north (usually) to the object’s vertical circle (i.e., a great circle through the object and the zenith).

What is azimuth and elevation plane?

Azimuth and Elevation are measures used to identify the position of a satellite flying overhead. Azimuth tells you what direction to face and Elevation tells you how high up in the sky to look. Both are measured in degrees. Azimuth varies from 0° to 360°.

What is an example of an azimuth?

The azimuth is the angle between North, measured clockwise around the observer’s horizon, and a celestial body (sun, moon). It determines the direction of the celestial body. For example, a celestial body due North has an azimuth of 0º, one due East 90º, one due South 180º and one due West 270º.

What is another word for azimuth?

In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for azimuth, like: declination, 5deg, 60deg, altazimuth coordinate system, az, 10deg, 180deg, 30deg, azimuthal, 90deg and 270deg.

What is range and azimuth?

Range (D) refers to the across-track dimension perpendicular to the flight direction, while azimuth (E) refers to the along-track dimension parallel to the flight direction. This side-looking viewing geometry is typical of imaging radar systems (airborne or spaceborne).

What is bearing and azimuth?

A bearing is an angle less than 90° within a quadrant defined by the cardinal directions. An azimuth is an angle between 0° and 360° measured clockwise from North. “South 45° East” and “135°” are the same direction expressed as a bearing and as an azimuth.

How do you write azimuth?

Azimuth: Definition Therefore, an azimuth of 90° corresponds to a quarter of the way clockwise from 0° or 360°, which is east. Similarly, 180° is south, and 270° is west. You can get azimuths corresponding to NE, SE, SW and NW by adding or subtracting 45° to the appropriate N, E, S or W azimuth.

What is azimuth and bearing?

What is opposite of azimuth?

A back azimuth is a projection of the azimuth from the origin to the opposite side of the azimuth circle. There are 360 degrees in the azimuth circle, so the opposite direction would be 180 degrees (half of 360 degrees) from the azimuth.

Is azimuth clockwise?

An azimuth is the direction measured in degrees clockwise from north on an azimuth circle. An azimuth circle consists of 360 degrees. Ninety degrees corresponds to east, 180 degrees is south, 270 degrees is west, and 360 degrees and 0 degrees mark north.

Why is azimuth used?