Signal 1 — Infobox Radio station name = Signal One airdate = 5 September 1983 frequency = 96.4 MHz, 96.9 MHz, 102.6 MHz, DAB share = 13.9% share as of = September 2007 share source = [cite web|url=http://www.rajar.co.uk/listening/quarterly… … Wikipedia
Signal integrity — or SI is a measure of the quality of an electrical signal. In digital electronics, a stream of binary values is represented by a voltage (or current) waveform. Over short distances and at low bit rates, a simple conductor can transmit this with… … Wikipedia
Signal reflection — occurs when a signal is transmitted along a transmission medium, such as a copper cable or an optical fiber, some of the signal power may be reflected back to its origin rather than being carried all the way along the cable to the far end. This… … Wikipedia
Signal.h — is a header file defined in the C Standard Library to specify how a program handles signals while it executes. A signal can report some exceptional behavior within the program ( such as division by zero ), or a signal can report some asynchronous … Wikipedia
Signal/One — was a manufacturer of high performance SSB and CW HF radio communications transceivers initially based in St. Petersburg, Florida, USA. History The company started as a division of NCR in Florida. A key executive was Dick Ehrhorn, ham callsigns… … Wikipedia
Signal lamp — training during World War II. A signal lamp (sometimes called an Aldis lamp, named after Arthur C. W. Aldis who invented a widely used design) is a visual signaling device for optical communication (typically using Morse code). Modern signal… … Wikipedia
Signal edge — Signal edges shown in rectangular pulse amplitude modulation with polar non return to zero, inverted coding waveform In electronics, a signal edge is a transition in a digital signal from either low to high (0 to 1) or high to low (1 to 0). It is … Wikipedia
Signal-averaged electrocardiogram — Signal averaged electrocardiography (SAECG) is a special electrocardiographic technique, in which multiple electric signals from the heart are averaged to remove interference and reveal small variations in the QRS complex, usually the so called… … Wikipedia
signal — [sig′nəl] n. [OFr < VL signale < neut. of LL signalis < L signum, a SIGN] 1. Now Rare a token or indication 2. a sign or event fixed or understood as the occasion for prearranged combined action [a bugle signal to attack] 3. anything… … English World dictionary
Signal (toothpaste) — Signal is a toothpaste and a mouth wash produced by The Unilever company. Present in the market for over 40 years, it is available in over 48 countries.ee also*List of toothpaste brandsIt was originally called Shield Toothpaste … Wikipedia
Signal transduction — In biology, signal transduction refers to any process by which a cell converts one kind of signal or stimulus into another. Most processes of signal transduction involve ordered sequences of biochemical reactions inside the cell, which are… … Wikipedia