Encyclopedia > Near-field region

  Article Content

Near-field region

In telecommunication, the term near-field region has the following meanings:

1. The close-in region of an antenna wherein the angular field distribution is dependent upon distance from the antenna. Synonyms near field, near zone.

2. In optical fiber communications, the region close to a source or aperture.

Note: The diffraction pattern in this region typically differs significantly from that observed at infinity and varies with distance from the source.

Source: from Federal Standard 1037C and from MIL-STD-188



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Battle Creek, Michigan

... 2000 census, the city had a total population of 53,364. Geography According to the United States Census Bureau, the city has a total area of 113.1 km² (43.7 ...

 
 
 
This page was created in 38.8 ms