发明授权
- 专利标题: Measuring apparatus and measuring method
- 专利标题(中): 测量装置和测量方法
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申请号: US10776926申请日: 2004-02-11
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公开(公告)号: US07636387B2公开(公告)日: 2009-12-22
- 发明人: Takahiro Yamaguchi , Masahiro Ishida , Mani Soma , Hirobumi Musha
- 申请人: Takahiro Yamaguchi , Masahiro Ishida , Mani Soma , Hirobumi Musha
- 申请人地址: JP Tokyo
- 专利权人: Advantest Corporation
- 当前专利权人: Advantest Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Osha • Liang LLP
- 主分类号: H04B3/46
- IPC分类号: H04B3/46
摘要:
A measuring apparatus including a timing jitter estimator which estimates an output timing jitter sequence which indicates the output timing jitter of an output signal based on an output signal output from a DUT in response to an input signal input to the DUT, and a jitter transfer function estimator which estimates a jitter transfer function in the DUT based on the output timing jitter sequence. The jitter transfer function estimator includes an instantaneous phase noise estimator which estimates an instant phase noise of the output signal based on an output signal, and a resampler which generates the output timing jitter sequence by resampling the instantaneous phase noise at predetermined timing.
公开/授权文献
- US20050031029A1 Measuring apparatus and measuring method 公开/授权日:2005-02-10