发明名称 |
Method for determining audio broadcast transmission signal coverage |
摘要 |
Computer implemented methods and systems for the prediction of the reception of a desired in-band on-channel digital audio broadcast signal (IBOC DAB) are described. A method includes computing a first ratio of a weaker undesired adjacent broadcast signal to a stronger undesired adjacent broadcast signal; computing a second ratio of the desired IBOC DAB signal to the stronger undesired adjacent roadcast signal. The method also includes computing a minimum allowable reception ratio based on the second ratio and the slope and intercept of a line, wherein the slope and intercept of the line is based on both (i) a plurality of ratios of a weaker adjacent broadcast signal to a stronger adjacent broadcast signal and (ii) a plurality of ratios of a desired IBOC DAB signal to a stronger adjacent broadcast signal. Reception is predicted when the computed minimum allowable reception ratio is less than the first ratio.
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申请公布号 |
US8374556(B2) |
申请公布日期 |
2013.02.12 |
申请号 |
US20080739260 |
申请日期 |
2008.11.03 |
申请人 |
NATIONAL PUBLIC RADIO, INC.;KEAN JOHN C. |
发明人 |
KEAN JOHN C. |
分类号 |
H04B17/00 |
主分类号 |
H04B17/00 |
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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