| 1. An anti-jamming system, applicable for an electronic apparatus, and said electronic apparatus having a first module and
a second module, and said first module processing a signal at a band, and said second module being operated according to a
clock signal, and said anti-jamming system comprising:
a detection module, for detecting an execution mode of said first module to produce a detection result; and a control module,
including a lookup table and a spread spectrum circuit, and said control module obtaining a target modulation frequency by
looking up said lookup table according to said detection result and then controlling said spread spectrum circuit to modulate
the frequency domain power distribution of said clock signal according to said target modulation frequency for preventing
the multiplication of said clock signal from interfering with signals within said band.
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