electromagnetic spectrum

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electromagnetic spectrum

See electromagnetic radiation.

electromagnetic spectrum

[i¦lek·trō·mag′ned·ik ′spek·trəm]
(electromagnetism)
The total range of wavelengths or frequencies of electromagnetic radiation, extending from the longest radio waves to the shortest known cosmic rays.

electromagnetic spectrum

electromagnetic spectrumclick for a larger image
electromagnetic spectrumclick for a larger image
electromagnetic spectrumclick for a larger image
electromagnetic spectrumclick for a larger image
The ordered array of known electromagnetic radiation, extending from the shortest cosmic rays, through gamma rays, X-rays, ultraviolet radiation, visible radiation, and infrared radiation. It includes microwave and all other wavelengths of radio energy. See the illustration for a more detailed view of this spectrum.
References in periodicals archive ?
Even then, complete control of the EM spectrum in the broadest definition could include some options to defeat autonomous systems such as cyber-enabled command intrusion against the adversary's weapon system or RF weapons.
We have to realize, though, that at some point in a future conflict, as much as we desire to control the EM spectrum, the United States might have an opportunity to take action and defeat an adversary's capability that threatens our use of space.
The electromagnetic spectrum (or EM spectrum, sometimes also called EM waves) is the term used for many different energy oscillations that comprise our known universe.
But all these energies are sequentially connected to each other as a continuum of waves in the EM spectrum.
The EM Spectrum Operational Environment is not the sole domain of the military.
Simply stated, the RF spectrum is a limited, highly congested and contested natural resource that must be efficiently managed through effective EM Spectrum Operations.
The Navy will begin to install limited EM spectrum controls to ensure the transport infrastructure delivers reliable high-bandwidth connections to naval platforms, enabling a number of warfighting applications.
The Navy's operational environment spans all domains, maritime, air, land, space and cyberspace, and all frequencies across the EM spectrum.
The management of increasingly complex systems and their access to the finite EM spectrum in a chaotic environment is just business as usual for the DON's incomparable spectrum management professionals.
Q: Can you talk about the National Broadband Plan and if it is related to your EM spectrum roadmap efforts?
Our near-term tool, the Coalition Joint Spectrum Management Planning Tool (CJSMPT), will deliver an integrated EM spectrum management and near-real time mission planning tool to enable frequency managers to perform EM spectrum planning and deconfliction from tactical through combined and joint task force levels.