PROPAGATION CHARACTERISTIC DISPLAY METHOD AND APPARATUS

PROBLEM TO BE SOLVED: To easily and surely obtain a temporal change of propagation characteristics. SOLUTION: A signal processing unit 16 calculates propagation characteristics of a propagation path from a signal to be measured. On a display unit 17, the propagation characteristics calculated by the...

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Bibliographic Details
Main Authors AKITA YONEO, SEGA KOICHI
Format Patent
LanguageEnglish
Published 21.02.2008
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MULTIPLEX COMMUNICATION
PHYSICS
TESTING
TRANSMISSION
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Summary:PROBLEM TO BE SOLVED: To easily and surely obtain a temporal change of propagation characteristics. SOLUTION: A signal processing unit 16 calculates propagation characteristics of a propagation path from a signal to be measured. On a display unit 17, the propagation characteristics calculated by the signal processing unit 16 are displayed. The propagation characteristics are displayed with one coordinate axis of two-dimensional coordinates defined as the lapse of time to represent a calculation result of the propagation characteristics with a color or luminance on the two-dimensional coordinates. Power or phase is represented with a color or luminance on two-dimensional coordinates with a frequency and the lapse of time as coordinate axes, for example, thereby displaying a transfer function. A signal amplitude is represented with a color or luminance on two-dimensional coordinates with a delay time and the lapse of time as coordinate axes, thereby displaying a delay profile. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20060216142