network noise temperature
71Lisbon — For other uses, see Lisbon (disambiguation). Coordinates: 38°42′49.72″N 9°8′21.79″W / 38.7138111°N 9.1393861°W / 38.713811 …
72Transistor — For other uses, see Transistor (disambiguation). Assorted discrete transistors. Packages in order from top to bottom: TO 3, TO 126, TO 92, SOT 23 A transistor is a semiconductor device used to amplify and switch electronic signals and power. It… …
73Sensor — For other uses, see Sensor (disambiguation). Sensors redirects here. For other uses, see Sensors (disambiguation). Detector redirects here. For other uses, see Detector (disambiguation). Thermocouple sensor for high temperature measurement A… …
74Contour line — This article is about lines of equal value in maps and diagrams. For more meanings of the word contour , see Contour (disambiguation). The bottom part of the diagram shows some contour lines with a straight line running through the location of… …
75HVAC — may also stand for High voltage alternating current. See also: Glossary of HVAC HVAC systems use ventilation air ducts installed throughout a building that supply conditioned air to a room through rectangular or round outlet vents, called… …
76Human factors — For other uses, see The Human Factor (disambiguation). Research subject in a human fatigue study. Human factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering,… …
77Scale invariance — In physics and mathematics, scale invariance is a feature of objects or laws that do not change if length scales (or energy scales) are multiplied by a common factor. The technical term for this transformation is a dilatation (also known as… …
78Milton Keynes — For Milton Keynes, the original village, see Milton Keynes Village. Coordinates: 52°02′10″N 0°46′12″W / 52.036°N 0.770°W / 52.036; 0.770 …
79Boltzmann machine — A Boltzmann machine is the name given to a type of stochastic recurrent neural network by Geoffrey Hinton and Terry Sejnowski. Boltzmann machines can be seen as the stochastic, generative counterpart of Hopfield nets. They were one of the first… …
80Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …
