signal reliability

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• Signal Transfer Point — A Signal Transfer Point (STP) is a router that relays SS7 messages between signaling end points (SEPs) and other signaling transfer points (STPs). Typical SEPs include SSPs and SCPs. The STP is connected to adjacent SEPs and STPs via signaling… …   Wikipedia

• Human reliability — is related to the field of human factors engineering, and refers to the reliability of humans in fields such as manufacturing, transportation, the military, or medicine. Human performance can be affected by many factors such as age, circadian… …   Wikipedia

• Human cognitive reliability correlation — (HCR) is a technique used in the field of Human reliability Assessment (HRA), for the purposes of evaluating the probability of a human error occurring throughout the completion of a specific task. From such analyses measures can then be taken to …   Wikipedia

• Traffic signal preemption — is a type of system that allows the normal operation of traffic lights to be preempted, often to assist emergency vehicles.[1][2] The most common use of these systems is to manipulate traffic signals in the path of an emergency vehicle, stopping… …   Wikipedia

• 972nd Signal Battalion — Headquarters, Department of the Army redesignated the 9th Army Signal Command as the United States Army Network Enterprise Technology Command and the 9th Army Signal Command (NETCOM/9th ASC). NETCOM/9th ASC traced its heritage back to its… …   Wikipedia

• Greenwich Time Signal — The Greenwich Time Signal (GTS), popularly known as the pips, is a series of six short tones broadcast by many BBC radio stations at the end of each hour to mark the precise start of the following hour. First introduced in 1924, continued use of… …   Wikipedia

• Alarm signal — In the field of animal communication, an alarm signal is an antipredator adaptation referring to various signals emitted by social animals in response to danger. Many primates and birds have elaborate alarm calls for warning conspecifics of… …   Wikipedia

• Antenna diversity — Antenna diversity, also known as space diversity, is one in a superset of wireless diversity schemes that utilizes two or more antennas to improve the quality and reliability of a wireless link. Often, especially in urban and indoor environments …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Autoland — In aviation, autoland describes a system that fully automates the landing phase of an aircraft s flight, with the human crew merely supervising the process.DescriptionAutoland systems were designed to make landing possible in visibility too poor… …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium