| 摘要 |
PROBLEM TO BE SOLVED: To provide a spectrum analyzer dispensing with setting of a trigger level, capable of improving operability. SOLUTION: This spectrum analyzer 10 is equipped with a mixer 110 for measuring a signal level of a signal to be measured in a zero-span mode, a local oscillator 112, an IF part 120, a sweep control part 300, a memory as a storage means for storing the measured signal level, and a CPU 400 for setting a measuring section of average power based on the stored signal level and calculating the average power by reading out the signal level corresponding to the set measuring section from the memory. COPYRIGHT: (C)2009,JPO&INPIT
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