aliased spectrum

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• Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia

• Channel 1 (North American TV) — In North America, channel 1 is a former broadcast (over the air) television channel. During the experimental era of TV operation Channel 1 moved around the lower VHF spectrum, swapping places with an early allocation for the FM broadcast band.… …   Wikipedia

• Sawtooth wave — The sawtooth wave (or saw wave) is a kind of non sinusoidal waveform. It is named a sawtooth based on its resemblance to the teeth on the blade of a saw.The usual convention is that a sawtooth wave ramps upward as time goes by and then sharply… …   Wikipedia

• Rescue on Fractalus! — is a March 1984 [http://web.archive.org/web/20060428061222/http://www.lucasarts.com/20th/history 1.htm] computer game created by Lucasfilm Games (later LucasArts Entertainment). It was originally released for the Atari 8 bit family and the Atari… …   Wikipedia

• Pulse-Doppler radar — Pulse Doppler is a radar system capable of not only detecting target location (bearing, range, and altitude), but also measuring its radial velocity (range rate). It uses the Doppler effect to determine the relative velocity of objects; pulses of …   Wikipedia

• Ada (programming language) — For other uses of Ada or ADA, see Ada (disambiguation). Ada Paradigm(s) Multi paradigm Appeared in 1980 Designed by MIL STD 1815/Ada 83: Jean Ichbiah Ada 95: Tucker Taft Ada 2005: Tucker Taft Stable release …   Wikipedia

• TI-89 series — The TI 89 and the TI 89 Titanium are graphing calculators developed by Texas Instruments. They are differentiated from other graphing calculators by their powerful computer algebra system, which allows symbolic manipulation of algebraic… …   Wikipedia