Carrier recovery — A carrier recovery system is a circuit used to estimate and compensate for frequency and phase differences between a received signal s carrier wave and the receiver s local oscillator for the purpose of coherent demodulation. Example of QPSK… … Wikipedia
U.S. Carrier Group tactics — Naval tactics have played a crucial role in modern battles and wars. The presence of land, changing water depths, weather, detection and electronic warfare, the speed at which actual combat occurs and other factors especially air power render… … Wikipedia
Nimitz class aircraft carrier — USS Nimitz (CVN 68) Class overview Name: Nimitz class aircraft carrier B … Wikipedia
Essex class aircraft carrier — Essex was a class of aircraft carriers of the United States Navy, which constituted the 20th century s most numerous class of heavy warships, with 24 ships built. These included members of the long hull Ticonderoga variant/subclass, which some… … Wikipedia
Data Carrier Detect — Data Carrier Detect, abbreviated as DCD, or alternately Carrier Detect abbreviated as CD, is a control signal present inside an RS 232 serial communications cable that goes between a computer and another device, such as a modem. This signal is a… … Wikipedia
homodyne — ˈ ̷ ̷ ̷ ̷ˌdīn adjective Etymology: hom + dyne : of or relating to the process of detecting a radio wave by the aid of a locally generated current or wave of exactly the same frequency as that of the incoming wave homodyne reception see zero beat… … Useful english dictionary
oscillator — i. An electronic circuit that converts energy from a direct current source to a periodically varying electric output. ii. The stage of a superheterodyne receiver that generates a radio frequency signal of the correct frequency to mix with the… … Aviation dictionary
homodyne — /hoh meuh duyn , hom euh /, adj. Radio. of or pertaining to reception by a device that generates a varying voltage of the same or nearly the same frequency as the incoming carrier wave and combines it with the incoming signal for detection. [1925 … Universalium
USS Wadleigh (DD-689) — Underway, circa 1951. Career (United States) … Wikipedia
Reach (Planet) — Infobox Planet name = Reach caption = The Covenant armade turn Reach to glass with Plasma. apsis = astron discovery ref = discoverer = discovery site = discovered = discovery method = alt names = periastron = apoastron = semimajor = avg speed =… … Wikipedia
radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining … Universalium