2012•Audio EngineeringRequires access

Computer Aided Analysis of Radios'Co-site Intermodulation Interference

Xiaopeng Yang

Abstract

The co-site intermodulation interference is aggravated when several radios are collocated at the same platform.A program is designed to analyze and calculate the intermodulation interference in order to optimize the frequency assignment and reduce the passive effect.Two ways of the frequency assignment are studied and an improved flow chart is designed.The amount of the intermodulation product under different conditions of the frequency interval and the number of radios is studied.The result indicates that avoiding the same frequency distance and increasing the space between frequencies can reduce the intermodulation effectively.

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Key concepts: Intermodulation, Interference (communication), Adjacent-channel interference, Flow chart, Electronic engineering, Telecommunications, Computer science, Radio frequency