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词汇
sudden cosmic noise absorption, SCNA
释义
sudden cosmic noise absorption, SCNA
宇宙噪声突然吸收；电离层突扰的一种形式。电离层的电离度增大；使宇宙射电信号穿过电离层时受到的吸收增强；因此在地面接收到的信号突然减弱。
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更新时间：2024/12/24 4:23:35