SPECTRUM ANALYZER SYSTEM AND SPECTRUM ANALYZE METHOD

WIPO Patent Application WO/2008/023640

A1

Provided is a spectrum analyzer system for measuring a signal component of each frequency of an input signal. The spectrum analyzer includes: a sampling unit for sampling the input signal for each predetermined bandwidth so as to be digitized and outputting the digital output signal; a conversion unit for converting the digital output signal outputted from the sampling unit into a signal component of each frequency of the unit bandwidth; and an output unit which outputs the digital output signal outputted from the sampling unit if the frequency span as the frequency range for outputting the measurement result of the signal component of each frequency of the input signal is not smaller than a predetermined reference bandwidth and outputs the signal component of each frequency converted by the conversion unit if the frequency span is smaller than the reference bandwidth.

JP6571736	Dominant signal detection methods and equipment
JPH07209352	SPECTRUM ANALYZER
WO/2008/056285	METHOD OF DETERMINING THE HARMONIC AND ANHARMONIC PORTIONS OF A RESPONSE SIGNAL OF A DEVICE

KANOH EIJI (JP)
NAKANISHI MAKOTO (JP)
ORIKASA TATSURU (JP)
YAMANOUCHI TOMOO (JP)

PCT/JP2007/066020

February 28, 2008

August 17, 2007

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ADVANTEST CORP (JP)
KANOH EIJI (JP)
NAKANISHI MAKOTO (JP)
ORIKASA TATSURU (JP)
YAMANOUCHI TOMOO (JP)

G01R23/173

JPH01105181A	1989-04-21
JPH0247563A	1990-02-16
JPS63317781A	1988-12-26
JPH0514937U	1993-02-26
JP2001249149A	2001-09-14

RYUKA, Akihiro (22-1 Nishi-Shinjuku 6-chom, Shinjuku-ku Tokyo 05, JP)

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