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A method of detection of aircraft or space vehicles in which a signal is compared, point to point, with an internally involves determination of the quantitative relationship between the electrical potential generated by muscular activity and the resultant movement; used in developing a design for a generated reference.

Related Terms


An electrostatic potential which is lower than that of the ground, or of some conductor or point in space that is arbitrarily assigned to have zero potential.


Use of the functional principles of biological nervous systems to inspire the design and fabrication of artificial nervous systems, such as vision chips fluid-content properties down a wellhole by neutron bombardment and detection of resultant radiation (neutrons or gamma rays). Also known as neutron logging.


The potential difference that exists across the space between two electrically connected materials. Also known as contact electromotive force; contact potential; Volta effect.


A vector whose direction in space is prescribed but whose point of application and line of application are not prescribed.


A rudder design where the pivot point and the center of its area meet, reducing the effort needed to turn it.

It has about 20% of the rudder area forward of the rudder axis.


The delay caused by the amount of time required to transport material or propagate a signal or condition from one point to another. Also known as transportation lag; transport lag.


A type of tank roof (steel, plastic, sheet, or microballoons) which floats upon the surface of the stored liquid; used to decrease the vapor space and reduce the potential for evaporation.


The point through which acts the resultant force exerted on a body by a static fluid in which it is submerged or floating; located at the centroid of displaced volume.


  1. An instrument used to measure continuously or at intervals a condition that must be kept within prescribed limits, such as radioactivity at some point in a nuclear reactor, a variable quantity in an automatic process control system, the transmissions in a communication channel or bank, or the position of an aircraft in flight. 2. To use meters or special techniques to measure such a condition. 3. A person who watches a monitor.


A hydroplane design in which the propeller serves as point of support when planing.

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