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repeating    音标拼音: [rɪp'itɪŋ] [rip'itɪŋ]
a. 反复的,重复的,循环的

反复的,重复的,循环的

repeating
重复 中继

repeating
n 1: the act of doing or performing again [synonym: {repetition},
{repeating}]

Repeat \Re*peat"\ (-p?t"), v. t. [imp. & p. p. {Repeated}; p.
pr. & vb. n. {Repeating}.] [F. r['e]p['e]ter, L. repetere;
pref. re- re- petere to fall upon, attack. See {Petition}.]
[1913 Webster]
1. To go over again; to attempt, do, make, or utter again; to
iterate; to recite; as, to repeat an effort, an order, or
a poem. "I will repeat our former communication."
--Robynson (More's Utopia).
[1913 Webster]

Not well conceived of God; who, though his power
Creation could repeat, yet would be loth
Us to abolish. --Milton.
[1913 Webster]

2. To make trial of again; to undergo or encounter again.
[Obs.] --Waller.
[1913 Webster]

3. (Scots Law) To repay or refund (an excess received).
[1913 Webster]

{To repeat one's self}, to do or say what one has already
done or said.

{To repeat signals}, to make the same signals again;
specifically, to communicate, by repeating them, the
signals shown at headquarters.
[1913 Webster]

Syn: To reiterate; iterate; renew; recite; relate; rehearse;
recapitulate. See {Reiterate}.
[1913 Webster]


Repeating \Re*peat"ing\, a.
Doing the same thing over again; accomplishing a given result
many times in succession; as, a repeating firearm; a
repeating watch.
[1913 Webster]

{Repeating circle}. See the Note under {Circle}, n., 3.

{Repeating decimal} (Arith.), a circulating decimal. See
under {Decimal}.

{Repeating firearm}, a firearm that may be discharged many
times in quick succession; especially:
(a) A form of firearm so constructed that by the action of
the mechanism the charges are successively introduced
from a chamber containing them into the breech of the
barrel, and fired.
(b) A form in which the charges are held in, and discharged
from, a revolving chamber at the breech of the barrel.
See {Revolver}, and {Magazine gun}, under {Magazine}.

{Repeating instruments} (Astron. & Surv.), instruments for
observing angles, as a circle, theodolite, etc., so
constructed that the angle may be measured several times
in succession, and different, but successive and
contiguous, portions of the graduated limb, before reading
off the aggregate result, which aggregate, divided by the
number of measurements, gives the angle, freed in a
measure from errors of eccentricity and graduation.

{Repeating watch}. See {Repeater}
(a)
[1913 Webster]


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  • J APG-1 - Wikipedia
    J APG-1はアクティブ・フェーズドアレイ(能動電子走査アレイ: AESA)型アンテナを採用した火器管制レーダーで、直径約70cmのアンテナブロックに800個のアンテナモジュールを搭載している。
  • いち早く実用化! F-2戦闘機の必須装備「AESA」って何? じつ . . .
    機種には独自開発した国産のAESAレーダー「J APG-1」がある(航空自衛隊の画像を基に編集部で加工)。 フェイズドアレイレーダーは「AESA」または「PESA」と呼ばれることもあります。 簡単に言うと、多数の小型アンテナを平面状に配置し、各アンテナから発射される電磁波の位相を電子的に制御することで、あたかも1つの大きなアンテナとして機能させるレーダーシステムです。 従来の「機械走査式レーダー」がアンテナの物理的な回転や首振りによってビームを指向していたのに対し、フェイズドアレイレーダーは電子制御によって瞬時にビームの方向を変化させることができます。
  • 戦闘機に搭載されている国産レーダーって性能悪いんですか . . .
    世界初の戦闘機に搭載されたAESAレーダーが、F-2のJ APG-1機体とのマッチングの問題など不具合もありましたが、現在は改良型のJ APG-2に換装がすすんでいると。





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