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Radio waves

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14y ago

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Is microwaves are a type of infrared waves?

yes so is am fm radio and tv signals


How do you receive digital signals?

The carrier waves are electromagnetic in nature, and it is the modulation of them that carries the information. There are several methods of modulation, FM, AM, Pulse-code, and many more. The digital signals are modulated on the carrier wave. And digital signals should theoretically be more immune to interference than analog ones.


What is a FM tranceiver?

An FM Tranceiver, is a FM Radio that can tranmitt signals and receive signals.


What type of wave carries signals for radio and television program's?

Communications Satellites ************************ Electro-magnetic waves. Carrier waves.


What is a tranceiver?

An FM Tranceiver, is a FM Radio that can tranmitt signals and receive signals.


When was Waves FM created?

Waves FM was created in 1990.


Which type of em wave carries television and radio singnals?

Radio waves are the type of electromagnetic wave that carries television and radio signals. They have longer wavelengths than microwaves and shorter wavelengths than infrared waves.


FM signals travel as what changes?

FM signals travel as changes in the frequency of the wave.ANSWER: DEFINITELY not frequency remains the same.The duty cycle changes.It definitely IS the the frequency which changes. It changes at the same rate as the frequency of the modulation.It can be demodulated with a frequency discriminator. If the frequency remained constant and its "duty cycle" changed, the discriminator wouldn't demodulate it.


Which travel long distances am or FM?

AM radio signals normally go further especially on long-wave broadcasts which can cover a radius of 300-400 miles. FM signals use shorter waves (around 1 metre long) and the range is usually 30-40 miles.


How are am and FM radio waves different?

FM waves modulate the frequency of the wave and AM waves modulate the amplitude of the wave. Electrical noise is generally amplitude modulation, and will thus interfere with AM waves more than FM waves. Recall that FM is frequency modulation and AM is amplitude modulation. That's where the FM and AM come from; they're the appreviations for the modulation schemes. Also, they use different carrier frequencies, though in principle it would be possible to transmit a frequency modulated wave in the band reserved for AM or vice versa. In the US, commercial AM radio is broadcast on a carrier wave of 520 kHz to 1710 kHz, while the FM band is 87.5 MHz to 108 MHz. Finally, FM stations have much greater bandwidth since the stations themselves are spaced much further apart in frequency. This bandwidth can be used to carry multiple signals, for example a monophonic signal at 30-15,000 Hz, left and right stereo signals at 23,000-38,000 Hz and 38,000-53,000 Hz, and additional signals (such as those used for HD radio) at even higher offsets up to about 99,000 Hz.


What is the name of the device that carries digital signals?

modem is the device that carries digital signals


What part of the spectrum carries tv signals from transmitters to an aerial?

TV signals are typically carried by radio waves in the UHF (Ultra High Frequency) and VHF (Very High Frequency) bands of the electromagnetic spectrum. These waves are used to transmit television signals from transmitters to an aerial for reception on a TV set.