- Industry: Earth science
- Number of terms: 93452
- Number of blossaries: 0
- Company Profile:
Founded in 1941, the American Congress on Surveying and Mapping (ACSM) is an international association representing the interests of professionals in surveying, mapping and communicating spatial data relating to the Earth's surface. Today, ACSM's members include more than 7,000 surveyors, ...
A navigation system usable anywhere in the world. Examples are: celestial, Omega, TRANSIT and NAVSTAR.
Industry:Earth science
A shutter consisting of a number of thin, parallel, and overlapping metallic strips pivoting simultaneously and individually, like the slats of a venetian blind, about their longitudinal axes to form either an opaque metallic screen or a group of slots separated by very thin strips of metal. A louvre shutter is usually located just in front of or just behind the lens system.
Industry:Earth science
The addition of harmonics to a basic frequency. In physics, the basic frequency of a periodic phenomenon is called the carrier frequency and the radiation corresponding to this frequency is called the carrier wave. The added frequencies are called the modulating frequencies or harmonic frequencies. In geodesy, electromagnetic phenomena are of primary interest and the modulation is usually amplitude or phase.
Industry:Earth science
An investment company that pools money from shareholders and invests in a variety of securities, including stocks, bonds, and money market securities. A mutual fund ordinarily stands ready to buy back (redeem) its shares at their current net asset value, which depends on the market value of the fund's portfolio of securities at the time. Mutual funds generally continuously offer new shares to investors.
Industry:Earth science
The arrangement of components used in printing, to compose a page or other printed form.
Industry:Earth science
An algebra in which the variables represent matrices instead of scalars; the set of rules for using matrices.
Industry:Earth science
The rights or title to all, or to certain specified, minerals in a given tract.
Industry:Earth science
A permanent object which is the work of nature, such as a stream, river, lake, pond, tree, ledge or outcropping of rock, and which is considered as a monument.
Industry:Earth science
That part of a sheet, on which a map is printed, which is inclosed by the neat line around the map.
Industry:Earth science
