什么是扫描或者扫频时间（终测时长）？
扫描或者扫频时间（终测时长）就是起始和终止频率之间的扫描或扫频时间。Minimum scan times for the three CISPR bands with peak and quasi-peak detectors
使用峰值和准峰值检波器时的最小扫频时间Ts
FrequencybandScan time Tsfor
peak detectionScan time Tsfor
quasi-peak detection
A9 kHz – 150 kHz14.1 s2820 s = 47 min
B0,15 MHz – 30 MHz2.985 s5 970 s = 99.5 min =1 h 39 min
C/D30 MHz – 1 000 MHz0.97 s19 400 s = 323.3 min= 5 h 23 min
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