Sound waves, light waves, andradio waveshave a certain frequency, or number of waves per second. 声波、光波或无线电波等都有特定的频率,或者说是每秒的波数。 柯林斯例句 Vast amounts of energy, from X-rays right through the spectrum down toradio waves, are escaping into space. ...
Radio Waves:Discovered in the 1870s, the electromagnetic spectrum is a diagram that shows different types of waves according to their frequency and wavelength. Radio waves are one type of wave that can be found on the electromagnetic spectrum....
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 atelectromagnetic spectrum....
AM radio, FM radio, CB radio... These are all different chunks of the radio spectrum. Find out about the thousands of different uses for radio waves!
radio spectrum英英释义 noun the portion of the electromagnetic spectrum consisting of radio waves, esp. those most frequently used in radio and television broadcasting, from ten kilohertz to 300 gigahertz. radio spectrum词源英文解释 The first known use of radio spectrum was in 1927 ...
RadioWaves Solutions RadioWaves - Leader In Microwave Antenna Innovation Reliable and innovative Microwave Antennas As the leader in microwave antenna innovation, RadioWaves provides a full product platform of microwave antennas for both licensed and unlicensed spectrum designed to increase performance, provi...
the transducer akustooptyczny is part of the final in the optical resonator.between wn\\u0119k\\u0105 resonant and digital \\/ akustooptycznym is placed the first optical system (5) comprising ogniskuj\\u0105cy wave illuminating propaguj\\u0105c\\u0105 inside the resonator on the ...
electromagnetic spectrum- the entire frequency range of electromagnetic waves radio emission,radio radiation,radio wave- an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...
Propagation of Radiowaves introduces the basic concepts and mechanisms of radiowave propagation engineering in both the troposphere and ionosphere, an understanding of which is fundamental to the effective use of the radio spectrum for radiocommunication. Reflecting the wide experience of the exceptional ...
We summarized in Chapter I the character of the interaction with the atmosphere of that part of the electromagnetic spectrum capable of exciting transitions in individual neutral molecules. Longer wavelengths in the electromagnetic spectrum (microwaves)