sfericsとは 意味・読み方・使い方

名詞

sferics

1. plural of sferic

名詞

sferics pl (複数形 only)

1. Electromagnetic pulses caused by atmospheric phenomena, such as lightning. plural of sferic
   • 1920: Wilbur H. Paulsen (米国用法 Meteorological Society pub.), Bulletin of the American Meteorological Society [1]

     A Sferics Locating System has been developed to determine the geographical location of lightning strokes...

   • 1965 (pub.): Mitre Corporation, Research & Experimentation 1960-1964 [2]

     ...an artificial sferics generator was used as a known source of EM pulses.

   • 1987: Barbara Tufty, 1001 Questions Answered About Hurricanes, Tornadoes and Other Natural Air Disasters [3]

     Researchers have thought that possibly these sferics could be used to track hurricanes—but so far, they have been only marginally successful.

   • 1998: Donald R. MacGorman, W. David Rust, The Electrical Nature of Storms [4]

     Sferics are classified normally by the frequency of the receiver used to detect them.

   • 1999: Rudolf F. Graf, William Sheets, The Encyclopedia of Electronic Circuits [5]

     This circuit generates a bipolar pulse waveform that closely approximates the main features of sferics.

   • 2003: Rakov, Vladimir A. Rakov, Martin A. Uman, Lightning: Physics and Effects [6]

     The second common theoretical approach of the propagation of sferics involves viewing the Earth-ionosphere cavity as a waveguide...

2. Radio interference caused by sferics; atmospherics.
   • 1959: D. L. Carpenter, Identification of Whistler Sources on Visual Records and a Method of Routine Whistler Analysis [7]

     In the identification of sources of short whistlers, the spectral characteristics of the sferics can often be used to establish many sferics as doubtful...

   • 1963: Thomas Pynchon, V. [8]

     As it turned out, the whistler was only the first of a family of sferics whose taxonomy was to include clicks, hooks, risers, nose-whistlers and one like a warbling of birds called the dawn chorus....

別の表記

• spherics

使用する際の注意点

When referring to the electromagnetic phenomenon, this term can be used either as the normal plural of sferic or in pluralia tantum construction.