What is a "Signal Jamming Information"? The Most Authoritative Explanation.

cart Shopcart:$0.00


What is a "Signal Jamming Information"? The Most Authoritative Explanation.

How does a signal jamming device work?

A signal jamming device works by broadcasting “noise” on a specific radio frequency (depending on the type of jammer). This prevents anyone within the perimeter of the jammer to use those frequencies. Important to note that a signal jammer doesn’t cut off reception to nearby devices. It only disrupts their ability to send and receive calls.

What is jamming and why is it important?

This ability to jam signals is also helpful for espionage and law enforcement. Electronic warfare, for example, uses jammers to disrupt how the enemy controls their technology and approaches battle. There are much more intense and sophisticated types of jamming used for warfare that are not available on the civilian market.

Why do radar jamming signals bounce back?

That’s because signals from the jammer to the radar all see a 1/R 2 path loss, while the radar return will see a 1/R 4 loss because it is bouncing back from a target. With these points in mind, consider the various types of radar jamming methods as defined in electronic warfare.

How does a radar jammer work?

Noise jammers modulate the jamming signal with AM or phase noise. Deceptive jammers use either a repeater or a memory to produce a replica of a radar return with appropriate modifications in time or frequency. Repeater jammers modify and retransmit received radar signals so the resulting echo relays inaccurate position.


Related Articles