The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2012
Filed:
Jul. 24, 2008
Takahiro Yamaguchi, Tokyo, JP;
Harry Hou, Santa Clara, CA (US);
Takahiro Yamaguchi, Tokyo, JP;
Harry Hou, Santa Clara, CA (US);
Advantest Corporation, Tokyo, JP;
Abstract
There is provided a noise separating apparatus that separates a probability density function of a predetermined noise component from a probability density function of a signal under test. The noise separating apparatus includes a domain transforming section that is supplied with the probability density function of the signal under test and transforms the probability density function into a spectrum in a predetermined variable axis, and a standard deviation computing section that computes standard deviation of a random component of noise contained in the signal under test based on a magnitude of a predetermined variable component in a main lobe of the spectrum.