radio wave An electromagnetic wave having a low frequency and long wavelength. Radio waves are used for the transmission of both radio and television broadcasts. They also include the microwaves used for cooking. Some celestial objects, such as pulsars, also emit radio waves. See more atelectroma...
What are Radio Waves? Electromagnetic energy travels in the form of waves that have a broad range of frequencies called the electromagnetic spectrum. The diagram in Fig. 1 shows the different types of electromagnetic radiation, based on frequency. The frequency of a wave, given in hertz (Hz),...
Radio waves can pass through theatmosphereand therefore are very useful for communication. Commercial, short-wave, and citizens' band radio are broadcast with radio waves, as is television. Word of the Day [im-prahy-mis] Quiz Q: “Pizza al padellino” in Italy is known as what in the ...
R wavein the normal surface electrocardiogram, the initial upward deflection of the QRS complex, following the Q wave; it represents ventriculardepolarization. Incardiacpacing, it may be the entire native or intrinsic QRS complex. radio w'selectromagneticwavesof wavelength between 10−1and 106cm ...
waveguide - a hollow metal conductor that provides a path to guide microwaves; used in radar wave guide conductor - a device designed to transmit electricity, heat, etc. microwave radar, radar, radio detection and ranging, radiolocation - measuring instrument in which the echo of a pulse of ...
1. What's a cycle? The distance from the top of one wave to the top of the next How fast the waves are moving It's the same thing as an antenna. None of the answers are correct. 2. A radio wave is also what type of wave?
The meaning of MICROWAVE is a comparatively short electromagnetic wave; especially : one between about one millimeter and one meter in wavelength. How to use microwave in a sentence.
Merriam-Webster unabridged Popular in Grammar & Usage See All Point of View: It's Personal Plural and Possessive Names: A Guide What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Words You Always Have to Look Up ...
Expanding the Definition of What a Radio Is 来自 国家科技图书文献中心 喜欢 0 阅读量: 10 作者: T Pair 摘要: The article focuses on the WAVE unified voice communications software which has been used in the special operations community of the U.S. military. 年份: 2011 ...
A circuit to automatically keep a resonant circuit tuned to the frequency of an incoming radio signal.AhAmpere hour. The amount of charge in a battery that will allow one ampere of current to flow for one hour.AMAmplitude modulation. The modulation of a wave by varying its amplitude....