| 摘要 |
A monitoring apparatus monitors a system including an oscillator with a variable oscillation frequency. The monitoring apparatus has a transmitting unit to transmit an information collecting instruction for collecting state information of the system to the system at an arbitrary monitoring timing, and a control unit to perform a control operation that includes transmitting to the system control information for controlling the oscillation frequency to become a reference value or less if the oscillation frequency exceeds the reference value, and computing a changing amount of the oscillation frequency at least due to aging and a next monitoring timing.
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