Passive Systems
Passive systems refer to any system or equipment that does not require an external power source to operate. In the maritime context, passive systems are commonly used for navigation, communication, and safety purposes. Examples of passive systems include radar reflectors, passive sonar systems, and passive radio beacons. These systems are designed to operate without emitting any signals or energy, relying instead on the detection of external signals or energy sources. Passive systems are often used in conjunction with active systems, which emit signals or energy to detect objects or communicate with other vessels. The use of passive systems can help reduce the risk of detection and interference, making them an important component of maritime operations.
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