发明名称 |
Measuring method by spectrum analyzer |
摘要 |
A measuring device and method use a spectrum analyzer. The spectrum analyzer comprises a display screen controlled by a processor on which a spectrum of an input signal is displayed in a frequency region on a half portion of the display screen and a noise level at a frequency associated with the input signal is displayed in a time region on another half portion of the display screen.
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申请公布号 |
US6191571(B1) |
申请公布日期 |
2001.02.20 |
申请号 |
US19990248110 |
申请日期 |
1999.02.11 |
申请人 |
ADVANTEST CORPORATION |
发明人 |
FUKUI TAKAYOSHI;YAMASHITA KOUICHI;YAMAGUCHI TAKAHIRO;AOYAMA OSAMU;KOSUGE TAKASHI;MIYAMAE YOSHIAKI;KASAHARA TOSHIHARU;TAKAOKU HIROAKI |
分类号 |
G01R23/16;G01R29/26;(IPC1-7):G01R13/20;G01R13/24;G01R13/02;G01R13/00;G01R23/14 |
主分类号 |
G01R23/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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