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Free-space path loss. In telecommunication, the free-space path loss ( FSPL) (also known as free-space loss, FSL) is the attenuation of radio energy between the feedpoints of two antennas that results from the combination of the receiving antenna's capture area plus the obstacle-free, line-of-sight (LoS) path through free space (usually air). [1]
A television antenna, also called a television aerial (in British English ), is an antenna specifically designed for use with a television receiver (TV) to receive terrestrial over-the-air (OTA) broadcast television signals from a television station. Terrestrial television is broadcast on frequencies from about 47 to 250 MHz in the very high ...
Two-ray ground-reflection model. The two-rays ground-reflection model is a multipath radio propagation model which predicts the path losses between a transmitting antenna and a receiving antenna when they are in line of sight (LOS). Generally, the two antenna each have different height. The received signal having two components, the LOS ...
In figure 20, one signal enters port P 3 and one enters port P 2, while both exit port P 1. The signal from port P 3 to port P 1 will experience 10 dB of loss, and the signal from port P 2 to port P 1 will have 0.5 dB loss. The internal load on the isolated port will dissipate the signal losses from port P 3 and port P 2.
Yep, these best-selling wireless earbuds are now just $70, the same price we saw them during Amazon's biggest sale of the summer. It was a record-low deal then, and it's a record-low deal now.
In telecommunication, aperture-to-medium coupling loss is the difference between the theoretical antenna gain of a very large antenna, such as the antennas in beyond-the-horizon microwave links, and the gain that can be realized in practice. Note 1: Aperture -to- medium coupling loss is related to the ratio of the scatter angle to the antenna ...
The following is a list of programs that are and will be broadcast on Antenna TV, a general entertainment network owned by the Tribune Broadcasting subsidiary of the Tribune Company, which is designed for digital subchannels of over-the-air broadcast stations in the United States and was launched on January 1, 2011. [1]
Multipath propagation. In radio communication, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths. Causes of multipath include atmospheric ducting, ionospheric reflection and refraction, and reflection from water bodies and terrestrial objects such as mountains and buildings.
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