发明名称 |
MULTI-STANDARD MULTI-RATE FILTER |
摘要 |
A method is provided for decimating a digital signal by a factor of M and matching it to a desired channel bandwidth. The method applies the digital signal input samples to a (M-I) stage tapped delay line, downsamples the input samples and the output samples of each tapped delay line stage by a factor of M, and applies each of the M downsampled sample value streams to M allpass HR filters, respectively. The M allpass HR filtered sample streams are then summed and scaled by a factor of 1/M. The result can then be filtered by a digital channel filter. |
申请公布号 |
WO2007084259(A3) |
申请公布日期 |
2008.01.31 |
申请号 |
WO2006US62194 |
申请日期 |
2006.12.15 |
申请人 |
SIRF TECHNOLOGY, INC.;STURZA, MARK ALAN;LEIMER, DONALD |
发明人 |
STURZA, MARK ALAN;LEIMER, DONALD |
分类号 |
H03H17/02 |
主分类号 |
H03H17/02 |
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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