radio signal


  • WordNet 3.6
    • n radio signal a radio wave used to transmit and receive messages
    • ***


In literature:

The powerful radio signal blasted them, too.
"Hacker Crackdown" by Bruce Sterling
A radio antenna would certainly be needed, to receive or transmit signals at a distance.
"Tom Swift and The Visitor from Planet X" by Victor Appleton
They're sending radio signals.
"Star Surgeon" by Alan Nourse
Radio and screen signals.
"Space Viking" by Henry Beam Piper
It had entered normal space just long enough to emit a signal of radio query on an assigned wave length.
"Planet of the Damned" by Harry Harrison
He can hear a radio signal before it's been sent.
"Peter the Brazen" by George F. Worts
The American pilots, in obedience to the radio signals, turning back from this strange phenomenon of the ghost column of capital ships.
"Astounding Stories of Super-Science April 1930" by Various
Her directed radio beam flashed the yellow call signal in O'Malley's control room.
"The Finding of Haldgren" by Charles Willard Diffin
Picking up speed, he dropped in beside his pal and signaled that his radio was dead.
"A Yankee Flier Over Berlin" by Al Avery
A radio direction signal.
"Astounding Stories of Super-Science, June, 1930" by Various
The peep, peep of the radio signalling stopped.
"The Red Hell of Jupiter" by Paul Ernst
That current is fed into the radio unit, and the signal is sent to Pluto.
"Hanging by a Thread" by Gordon Randall Garrett
It is sufficient to say that when the key is depressed the set sends out radio signals at the rate usually of 1000 signals a second.
"Letters of a Radio-Engineer to His Son" by John Mills
Picking up the radio signals from the Malta field, they slid in, spotted the Yank landing strip, and set down.
"A Yankee Flier in Italy" by Rutherford G. Montgomery
They checked for radio signals, found none.
"The Book" by Michael Shaara
No commercial and no radio signals were on the air.
"The Lost Warship" by Robert Moore Williams
When radio signals were received from the same location for unusually long periods, ground checks were made to determine the cause.
"An Experimental Translocation of the Eastern Timber Wolf" by Thomas F. Weise
It had entered normal space just long enough to emit a signal of radio query on an assigned wave length.
"Sense of Obligation" by Henry Maxwell Dempsey (AKA Harry Harrison)
Thus far the signals by radio had not been answered by the approach of the submarine that Boldig had reason to expect.
"Ruth Fielding Homeward Bound" by Alice B. Emerson
He had set the radio transmitter in operation, and was sending occasional signals for assistance.
"The Revolt of the Star Men" by Raymond Gallun

In news:

Queen Carroll of Dale City had to buy a new garage door opener because the radio signal the old one used was overridden by signals from the Quantico Marine base.
Australia revives radio signal to Asia.
Sending Amateur Radio signals to the Moon and back has never been easy.
Since then, questions were raised about the fee, service and the radio signal repeater 's transmitter, tower and maintenance costs.
During that time, its broadcast came to transfix a small cadre of shortwave radio enthusiasts, who tuned in and documented nearly every signal it transmitted.
A mysterious radio signal detected in 1977.
Previously dismissed radio signals were credible transmissions from Earhart .
Michigan Radio's Flint signal, WFUM 91.1 FM, is off the air.
With Hitec's 2.4GHz AFHSS digital technology providing a robust interference-free signal, this radio delivers beyond any in its class.
If you're new to the term, piracy in radio refers to signal interference by an unlicensed broadcaster.
Device offers internal GSM radio, 2-way voice over GSM and signal strength meter.
Did you know Salt Lake City has the 27th most crowded radio market in the country, with more signals than L.A. Competition is fierce among SLC's radio elite, but it's rare we really get to know the on-air talent.
All radio reception is affected by distance, physical obstacles and other broadcast signals.
The Wow signal, a mysterious radio transmission detected in 1977 that may or may not have come from extraterrestrials, is finally getting a response from humanity.
Capitals fans, some of whom who have complained about the lack of an FM signal for their team's games, will surely be pleased by the move pf radio broadcasts to 106.7 The Fan.

In science:

The vast ma jority of the over 1500 radio pulsars known were discovered through searches for periodic signals using Fourier methods.
Searches for Giant Pulses from Extragalactic Pulsars
The change of the results in the test of Shapiro time delay is negligible if we consider radio signals on short distances like in the solar system.
New Relativistic Equations of Motion and Their Comparison with the Equations from the General Relativity
Figure 11 shows a signal-passing scenario of the GSM program performing operations from source information to radio waves.
EPspectra: A Formal Toolkit for Developing DSP Software Applications
Figure 12 shows the result of verifying the status of the property-signals of the GSM program containing the operations of the transmission from source to radio waves in Xeve.
EPspectra: A Formal Toolkit for Developing DSP Software Applications
The procedure of time shifting of the radio signals in the antennas is relatively safe when based on the values provided by the reconstruction for shower core and shower axis using the data of the original KASCADE field array.
Combined LOPES and KASCADE-Grande Data Analysis
Fig. 2 shows the radio signal of the event before and after the optimized beamforming.
Combined LOPES and KASCADE-Grande Data Analysis
Wohleben, “Radio-holographic reflector measurement of the 30-m millimeter radio telescope at 22 GHz with a cosmic signal source”, Astron.
Near-Field Radio Holography of Large Reflector Antennas
By combining their metrics with their PAMAS (Power Aware Multi-Access protocol with Signaling for ad-hoc radio networks) it is possible to further reduce energy costs.
Content Sharing for Mobile Devices
Hence, the OAM radio technique which measures the vorticity in radio signals for may be used to measure—and correct for—distortion of radio beams interacting with plasma.
Angular Momentum of Electromagnetic Radiation. Fundamental physics applied to the radio domain for innovative studies of space and development of new concepts in wireless communications
We also discuss some potential applications for similar signal processing tasks in radio astronomy.
A GPU based real-time software correlation system for the Murchison Widefield Array prototype
The signal available at the output of a radio measurement system is never an entirely accurate indicator of the quantity to be measured.
Intensity Statistics of Random Signals in Gaussian Noise
Spectrum sensing is a fundamental component in cognitive radio. A major challenge in this area is the requirement of a high sampling rate in the sensing of a wideband signal.
A Wideband Spectrum Sensing Method for Cognitive Radio using Sub-Nyquist Sampling
Figure 1 depicts the spectrum of a multiband signal at the sensing radio, which contains L = 32 channels, each with a bandwidth of B = 10 MHz.
A Wideband Spectrum Sensing Method for Cognitive Radio using Sub-Nyquist Sampling
Giannakis, “Compressed sensing for wideband cognitive radios,” IEEE International Conference on Acoustics, Speech and Signal Processing, vol. 4, pp.
A Wideband Spectrum Sensing Method for Cognitive Radio using Sub-Nyquist Sampling
However, developments in both these technologies also enable us to solve the problem of energy efficiency via smart radio transmission and distributed signal processing.
Green Cellular Networks: A Survey, Some Research Issues and Challenges