发明名称 |
CN ratio measuring apparatus |
摘要 |
A measuring apparatus is provided which is capable of measuring CN ratio. The measuring apparatus has a measuring band specifying unit for specifying a band under measurement; a display for displaying the spectrum of levels measured in the specified band; first and second noise measuring frequency specifying units; a transmission channel selector; and a CN ratio calculating unit for estimating a noise level at a carrier of a selected transmission channel and for calculating the CN ratio using the estimated level.
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申请公布号 |
US5450623(A) |
申请公布日期 |
1995.09.12 |
申请号 |
US19930122281 |
申请日期 |
1993.09.17 |
申请人 |
LEADER ELECTRONICS CORP. |
发明人 |
YOKOYAMA, ITOSHI;NAGAI, MASAAKI;ISHIDA, KENICHI;SAITO, KAKUYA |
分类号 |
G01R29/26;H04B17/00;(IPC1-7):H04B17/00 |
主分类号 |
G01R29/26 |
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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