2 ms·
Radio spectrum is vast, and you need to focus your jammer energy on the narrow bands used in actual communication. Frequency hopping makes that non-trivial, and
by varjag 6y ago
Radio spectrum is vast, and you need to focus your jammer energy on the narrow bands used in actual communication. Frequency hopping makes that non-trivial, and that's before you consider directed beams and satellite uplinks.
- saltedonion 6y agoVery interesting
- stoneman24 6y agoIn addition to frequency hopping, there are spread spectrum techniques to smear the signal across a wider range of frequencies with lower energy in each frequency. Once asked permission to switch on military radio on a project, the answer was “go ahead, we’ll never notice”