How does an avionics system mitigate electromagnetic interference (EMI)?

An avionics system mitigates electromagnetic interference (EMI) primarily by implementing shielding and filtering techniques. Shielding involves enclosing sensitive electronic components within conductive materials that block external electromagnetic fields from penetrating and affecting their functionality. This is essential in aircraft, where numerous electronic systems operate in close proximity, potentially generating or being subject to interference.

Filtering techniques complement shielding by using electronic filters to allow desired signals to pass while blocking unwanted noise and interference. These filters can be passive or active and are strategically employed in various parts of the avionics systems to ensure that only relevant signals are processed. By combining both shielding and filtering methods, avionics systems can maintain signal integrity and reliability, which is crucial for safe aircraft operation.

The other options may seem relevant, but they do not address the core methods used specifically for EMI mitigation. Increasing operating frequency could potentially make a system more susceptible to EMI if not managed properly. While advanced satellite communication might enhance connectivity, it does not inherently reduce EMI from other sources. Amplifying signal strength might improve the signal-to-noise ratio but does not eliminate the sources of EMI itself, potentially leading to a greater challenge if noise levels remain high.