*答案：*分析仪有一套自动耦合规则，对于这些规则，当您减小量程时，RBW会自动降低，这会降低分析仪的本底噪声。
以上来自于谷歌翻译
以下为原文
*Answer:* The analyzer has a set of auto-coupling rules, and for those rules, when you decrease the span, the RBW automatically decreases, which will reduce the analyzer’s noise floor.
*答案：*分析仪有一套自动耦合规则，对于这些规则，当您减小量程时，RBW会自动降低，这会降低分析仪的本底噪声。
以上来自于谷歌翻译
以下为原文
*Answer:* The analyzer has a set of auto-coupling rules, and for those rules, when you decrease the span, the RBW automatically decreases, which will reduce the analyzer’s noise floor.
举报
