Measurement of jamming effectiveness by cross correlation techni

Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part

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455 1, 455 26, 455226, 324 57N, 324 77G, 343 18E, H04B 1700

Patent

active

045817677

ABSTRACT:
A method and apparatus is disclosed for automatically and repeatably measng the effectiveness of jamming applied against a communications link. The method is machine performed, free of the need of listener personnel, and the recording and scoring tasks required in conventional methods. Using a ratio of auto and cross-correlation functions, a number is produced (CCI Index) which is the desired measure of jamming effectiveness. The CCI Index is a standardized value which indicates jamming effectiveness in any type communications link regardless of equipment or type of modulation in use. The Index, rapidly obtainable, can be used to pinpoint which jamming technique might be most advantageously employed, and by precisely how many db it would be superior.

REFERENCES:
patent: 4194205 (1980-03-01), Willmore et al.

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