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Sinusoids are an important type of periodic function, because realistic signals are often modeled as the summation of many sinusoids of different frequencies and different amplitudes (with a Fourier series or transform).
His postdoctoral training was with Michael E. Greenberg at Harvard Medical School where he worked on regulation of differentiation by extracellular signals and calcium regulation of BDNF expression.
Joining the Air Force in 1960, serving for four years as an instructor (at Keesler Air Force Base in Mississippi) and signals intelligence operator in Karamursel, Turkey, and being discharged, he moved to California and came out.
Protection of sensitive defence establishments, including Defence Headquarters at Russell Offices in Canberra; the joint Australian/US communications facility at Pine Gap in the Northern Territory; the former atomic testing site at Maralinga in South Australia; the Australian Defence Signals facility at Geraldton and the naval communications station at Exmouth, both in Western Australia
The Navigation Training School of the Training Command, Indian Air Force, formerly knows as Navigation and Signals School (N&SS), is based here.
The binomial QMF bank with perfect reconstruction (PR) was designed by Ali Akansu, et al. published in 1990, using the family of binomial polynomials for subband decomposition of discrete-time signals.
During the Anglo-Boer War in February 1899, he and others demonstrated the application of wireless telegraphy by transmitting signals over a distance of 120 metres on Cape Town's Grand Parade using equipment imported from Britain.
The first aircraft to be shot down was an unarmed Swedish Air Force Tp 79, a derivative of the Douglas DC-3, carrying out radio and radar signals intelligence-gathering for the National Defence Radio Establishment.
CFB Gander is also host to the Leitrim Detachment which operates and maintains signals intelligence and utilizes a Wullenweber AN/FLR-10 circularly disposed antenna array for High-frequency direction finding of high priority targets.
This Rube Goldberg machine allowed him to record Morse code radio signals picked up by his receiver on wax cylinders.
Chang Chia-juch, the Taiwanese Vice Minister of Transportation and Communications, said that two Cathay Pacific aircraft in the area received B-18255's emergency location-indicator signals.
In August 1939, when he was Brigade Signals Officer to the 1st Brigade of Guards, he had been ordered to lead a detachment of signallers and their equipment into Poland, as part of a British Military Mission under the command of the battle-scarred veteran General Carton de Wiart, VC, blinded in one eye and with an artificial hand.
Many proteins with GGDEF, EAL or HD-GYP domains are found with other domains that can receive signals, such as PAS domains.
They started sending out "production quality" DGPS signals on a limited basis in 1996, and rapidly expanded the network to cover most US ports of call, as well as the Saint Lawrence Seaway in partnership with the Canadian Coast Guard.
Distributed element filters are used in many of the same applications as lumped element filters, such as selectivity of radio channel, bandlimiting of noise and multiplexing of many signals into one channel.
eConnectome (Electrophysiological Connectome) is an open-source MATLAB toolbox with graphical user interfaces for mapping and imaging brain functional connectivity at both the scalp and cortical levels from electrophysiological signals including electroencephalogram (EEG) and electrocorticogram (ECoG).
He won an Independent Spirit Award in 1999 for Best Debut Performance for his role in Smoke Signals, and a Los Angeles Outfest award in 2002 for his role in Fancydancing.
The first record in regulations to prescribe a flag for the President was the 1858 Signals for the Use of the United States Navy, which specified that the union jack (the canton of the national flag by itself, i.e. blue with white stars for all the states) should be flown at the mainmast to signify the presence of the commander-in-chief.
Signals pass across the synapses from one nerve cell to the next as discrete (digital) packets of chemicals, which are then summed within the nerve cell in an analog fashion by building an electro-chemical potential until its threshold is reached, whereupon it discharges and sends out a series of digital packets to the next nerve cell.
These amplifiers are also used for amplifying low-level signals in multi-channel applications.
Duncan Lunan proposed the radio echoes observed by Størmer and Van der Pol in 1928 might have been transmissions from a Bracewell probe, an artifact of aliens trying to communicate with us by bouncing back our own signals.
It was the team at Ampex, led by Charles Ginsburg, that made the breakthrough of using a spinning recording head and normal tape speeds to achieve a very high head-to-tape speed that could record and reproduce the high bandwidth signals of video.
For FM operation on the 2 m band, the masthead vertical whip that is normally installed for marine VHF operation will provide good omni-directional, vertically polarised signals.
In addition, the Ottomans, after having managed to deprive southern Albania from its leaders, defeated the following year, in 1831, the Pashalik of Scutari, the last remaining Albanian pashalik giving signals of separatism.
Mathematics of Control, Signals, and Systems is a peer-reviewed scientific journal that covers research concerned with mathematically rigorous system theoretic aspects of control and signal processing.
Similar to custom layers in Google Earth, some team-oriented multi-player games, such as Age of Empires II or Empire Earth, allow players to draw temporary lines, signals or markings on the mini-map for others to see.
The Government Communications Security Bureau (GCSB) is now responsible for signals intelligence, with a radio communications intercept station at Tangimoana and a satellite communications intercept station at Waihopai.
A fieldwork project in the northern Moluccas islands of eastern Indonesia, involving joint research with Indonesian scholars and Geoffrey Irwin of Auckland University yielded cave sequences covering the past 35,000 years, with very clear signals of an Austronesian presence commencing after 4000 BP.
The most popular means is the transmission of standard frequency and time signals by the longwave time signal DCF77.
To provide high quality electric power service, it is essential to monitor the quality of the electric signals also termed as power quality (PQ) at different locations along an electrical power network.
Technical Signals Intelligence is the most sensitive form of intelligence for the Australian Government.
In May 1996 the Marconi Type 91 'Martello' radar at Trimingham was sold to the Turkish Ministry of Defence and it was replaced by what used to be known as No 86 Signals Unit, with a Type 93 (Plessey type ADGE-305, NATO designation TGRI 50011) that had been moved from Hopton when that base was closed.
They were manually operated, and consisted of semaphores, flags or paddles, or in some cases colored electric lights, all modeled on railroad signals.
The team is based at the home of the Royal Signals at Blandford Camp in Dorset.
RuBee utilizes Long Wave (LW) magnetic signals to send and receive short (128 byte) data packets in a local regional network.
That is, it accepted basic video signals and mixed and modified them in a fashion similar to what a Moog synthesizer did with audio.
In the fruit fly Drosophila melanogaster, segment polarity genes help to define the anterior and posterior polarities within each embryonic parasegment by regulating the transmission of signals via the Wnt signaling pathway and Hedgehog signaling pathway.
Commercial sodars operated for the purpose of collecting upper-air wind measurements consist of antennas that transmit and receive acoustic signals.
PRN coding - used to reduce power spectral density for low bit rate signals, and for time transfer.
Other Stations (on Guam, in Puget Sound on Bainbridge Island, Guam, etc.) were tasked and staffed for signals interception and traffic analysis.
In 1910 in a legal test case ('Betts -v- Stevens') involving an AA patrolman and a potentially speeding motorist, the Chief Justice, Lord Alverston, ruled that where a patrolman signals to a speeding driver to slow down and thereby avoid a speed-trap, then that person would have committed the offence of 'obstructing an officer in the course of his duty' under the Prevention of Crimes Amendment Act 1885.
Examples of a one-way time transfer system are the clock on a church or town building and the ringing of their time-indication bells; time balls, radio clock signals such as LORAN, DCF77 and MSF; and finally the Global Positioning System which uses multiple one-way time transfers from different satellites, with positional information and other advanced means of delay compensations to allow receiver compensation of time and position information in real time.
After departing from some of the most important nesting sites in the Western Hemisphere, typically Vero Beach, Florida and Melbourne Beach, Florida, sea turtles will be monitored using Platform Terminal Transmitter (PTT) that send signals via satellite to record their locations and the distances traveled.
The system was implemented under Bell Canada president Thomas Wardrope Eadie as an all-Canadian microwave network for transporting telephone conversations, Teletype messages and television signals.
Further generalizations of undersampling for the case of signals with multiple bands are possible, and signals over multidimensional domains (space or space-time) and have been worked out in detail by Igor Kluvánek.
Interactive use of VS/9 was done through terminals connected to a terminal concentrator unit, which passed control signals to and from the terminals, in a manner similar to the way IBM would provide with its IBM 3270-style terminals.
Newsweb Corporation dropped the Nine FM programming on all three signals Monday, October 20, 2008, and replaced it with a simulcast of sister station WCPT from 5A.M.
92 KISS-FM signed off with Pearl Jam's Last Kiss and then the three signals became "Energy 92.7&5", a format consisting entirely of dance music, launched with DJ Jean's The Launch.
This experiment demonstrated that the lunar surface is capable of reflecting terrestrial band III (175-230 MHz) television signals.
In the motion picture Close Encounters of the Third Kind, a visual learning aid distributed to members of a conference of UFOlogists was named "Zoltan Kodaly" and referenced musical notes as hand signals.