Measurements
61Kalman filter — Roles of the variables in the Kalman filter. (Larger image here) In statistics, the Kalman filter is a mathematical method named after Rudolf E. Kálmán. Its purpose is to use measurements observed over time, containing noise (random variations)… …
62Anthropometry — Illustration from The Speaking Portrait (Pearson s Magazine, Vol XI, January to June 1901) demonstrating the principles of Bertillon s anthropometry. Anthropometry (Greek anthropos (άνθρωπος man ) and metron (μέτρον measure ) therefore… …
63undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
64Metrology — This article is about the science of measurement. For the study of weather see Meteorology. A scientist stands in front of a microarcsecond (1 millionth of 1 arcsecond or 1 millionth of 1/3600 degree) testbed. Metrology is the science of… …
65Van der Pauw method — The van der Pauw Method is a commonly used technique to measure the sheet resistance of a material. The Van der Pauw method is often used to measure the Hall effect, which characterises a sample of semiconductor material and can be successfully… …
66CLEO (particle detector) — CLEO was a general purpose particle detector at the Cornell Electron Storage Ring (CESR), and the name of the collaboration of physicists who operated the detector. The name CLEO is not an acronym; it is short for Cleopatra and was chosen to go… …
67radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
68Dark matter — Not to be confused with antimatter, dark energy, dark fluid or dark flow. For other uses, see Dark Matter (disambiguation) …
69Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
70Wilkinson Microwave Anisotropy Probe — WMAP redirects here. WMAP may also refer to either radio station WXNC or WGSP FM. Wilkinson Microwave Anisotropy Probe General information NSSDC ID 2001 027A …
