…Radars are classified according to the shape of the transmitted and received signals, as shown in Figure 1. There are primary radars and secondary radars. The former is a radar that uses the transmitted radio waves reflected back by the target, while the latter is a radar that uses the radio waves re-emitted by the target, such as a friend-or-foe identification device. … *Some of the terminology used to refer to "primary radar" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…レーダーは送受信信号の形状によって図1のように分類される。レーダーには一次レーダーと二次レーダーがある。前者は送信した電波が目標によって反射され戻ってくる電波を利用するレーダーであり,後者はたとえば敵味方識別装置などのように目標が再放射する電波を利用するレーダーである。… ※「一次レーダー」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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