Measuring principle — A sender emits a wave which is scattered by an object. The backscattered part of the wave reaches a receiver: The measurement principle of sonar and radar devices … Wikipedia
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
Principle of relativity — In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of reference. For example, in the framework of special relativity the Maxwell equations have… … Wikipedia
principle — /prin seuh peuhl/, n. 1. an accepted or professed rule of action or conduct: a person of good moral principles. 2. a fundamental, primary, or general law or truth from which others are derived: the principles of modern physics. 3. a fundamental… … Universalium
Measuring wheel — Wheel Wheel (hw[=e]l), n. [OE. wheel, hweol, AS. hwe[ o]l, hweogul, hweowol; akin to D. wiel, Icel. hv[=e]l, Gr. ky klos, Skr. cakra; cf. Icel. hj[=o]l, Dan. hiul, Sw. hjul. [root]218. Cf. {Cycle}, {Cyclopedia}.] [1913 Webster] 1. A circular… … The Collaborative International Dictionary of English
Uncertainty principle — In quantum physics, the Heisenberg uncertainty principle states that locating a particle in a small region of space makes the momentum of the particle uncertain; and conversely, that measuring the momentum of a particle precisely makes the… … Wikipedia
Fick principle — Developed by Adolf Eugen Fick (1829 1901), the Fick principle was first devised as a technique for measuring cardiac output. However, its underlying principles may be applied in a variety of clinical situations.The essence of the Fick principle… … Wikipedia
Coordinate-measuring machine — A coordinate measuring machine (CMM) is a device for measuring the physical geometrical characteristics of an object. This machine may be manually controlled by an operator or it may be computer controlled. Measurements are defined by a probe… … Wikipedia
Likelihood principle — In statistics,the likelihood principle is a controversial principle of statistical inference which asserts that all of the information in a sample is contained in the likelihood function.A likelihood function arises from a conditional probability … Wikipedia
Coulter principle — Coulter patented several different implementations of the Coulter Principle. Image taken from US Patent #2,656,508. The term “Coulter Principle” refers to the use of an electric field for counting and sizing dilute suspensions of particles in… … Wikipedia
