SHA850A系列手持频谱分析仪
主要特性
- 频谱分析频率范围：9 kHz - 3.6GHz / 7.5 GHz
- 天线和电缆测量频率范围：100 kHz - 3.6GHz / 7.5 GHz
- 显示平均噪声电平 DANL 低于-165 dBm/Hz
- 单边带相位噪声低于-104 dBc/Hz， 1 GHz 偏移 10 kHz
- 全带宽独立信号源和前置放大器
- 典型工作时间 4 小时，净重3.2 kg
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SQL语句出错：select * from article where GroupId=15 and AId in() order by MyOrder desc,AId asc
错误代码：#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') order by MyOrder desc,AId asc' at line 1
错误代码：#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') order by MyOrder desc,AId asc' at line 1
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