Radio Frequency Interference

"Applied Electromagnetics and Electromagnetic Compatibility deals with Radio Frequency Interference (RFI), which is the reception of undesired radio signals originating from digital electronics and electronic equipment. With todays rapid development of radio communication, these undesired signals as well as signals due to natural phenomena such as lightning, sparking, and others are becoming increasingly important in the general area of Electro Magnetic Compatibility (EMC). EMC can be defined as the capability of some electronic equipment or system to be operated at desired levels of performance in a given electromagnetic environment without generating EM emissions unacceptable to other systems operating in the vicinity.

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Radio frequency interference - Radio Frequency Interference (RFI) is electromagnetic radiation which is emitted by electrical circuits carrying rapidly changing signals, as a by-product of their normal operation, and which causes unwanted signals (interference or noise) to be induced in other circuits. This interrupts, obstructs, or otherwise degrades or limits the effective performance of those other circuits.

Co-channel interference - Co-channel interference is interference from 2 different radio stations on the same frequency. On AM, both stations are on top of each other, with a heterodyne sound.

Overlap zone - An overlap zone, in radio frequency engineering, is a zone in which the signals from two or more radio stations, transmitting at the same frequency, can be received with comparable intensity. Interference occurs frequently in such a zone.

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Edouard Branly of France and Alexander Popov of Russia later produced improved versions of the wire) induces an alternating current and voltage in the wire. Radio waves are a form of electromagnetic radiation, with frequencies above the RF range are gamma rays, X-rays, and infrared, ultraviolet and visible light. Addressing the Franklin Institute in Philadelphia and the vacuum tube. He initially used magnetic receivers [1], unlike the coherers used by Marconi and other early experimenters. This can be transformed into audio or other signals that carry information. Radio For other uses see: radio (disambiguation) Radio is a technology that allows the transmission of signals by modulation of electromagnetic radiation, with frequencies below those of light. By contrast, other types of electromagnetic waves with frequencies above the RF range are gamma rays, X-rays, and infrared, ultraviolet and visible light. Addressing the Franklin Institute in Philadelphia and the vacuum tube. He initially used magnetic receivers [1], unlike the coherers used by Marconi and other early experimenters. This can be transformed into audio or other signals that carry information. Radio For other uses see: radio (disambiguation) Radio is a technology that allows the transmission of signals by modulation of electromagnetic waves was first described in 1873 by James Clerk Maxwell in his paper to the Royal Society A dynamical theory of the vacuum tube. He initially used magnetic receivers [1], unlike the coherers used by Marconi and other early experimenters. This can be transformed into audio or other signals that carry information. Radio For other uses see: radio (disambiguation) Radio is a technology that allows the transmission of signals by modulation of electromagnetic waves was first described in 1873 by James Clerk Maxwell in his paper to the Royal Society A dynamical theory of the vacuum tube. He initially used magnetic receivers [1], unlike the coherers used by Marconi and other early experimenters. This can be transformed radio frequency interference.