2. Types of measurement. Basic networks
We distinguish between instruments that give access to an absolute measurement of gravity, and relative instruments that do not measure the value of the acceleration of gravity, but rather a variation in it. For example, if we consider two measuring points A and B, and we know the absolute value of gravityg A in A, measuring the variation in gravity between A and B, g AB , will give us the value of gravity in B.
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Mechanical and dimensional measurements
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Types of measurement. Basic networks
Bibliography
References
Theses
Standardization
Association française de normalisation AFNOR http://www.afnor.fr
- Valeur de la pesanteur terrestre - NF X02-011 - 11-1974
Organizations
Bureau gravimétrique international (BGI) http://www.bgi.cnes.fr:8110
Bureau de recherches géologiques et minières (BRGM) http://infoterre.brgm.fr
Manufacturers
Scintrex http://www.scintrexltd.com
Lacoste & Romberg http://www.lacosteromberg.com
Micro-G Solutions http://www.microgsolutions.com
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