发明名称 |
Multipath distortion eliminating filter |
摘要 |
<p>An adaptive filter for an FM receiver comprises a digital filter, an error detection section for detecting an error err(t) between an output amplitude of the digital filter and a reference value, and a coefficient updating section 160 for updating tap coefficients so as to minimize the error detected. The coefficient updating section determines the amounts of update Km(t+1) of the tap coefficients based on a value Rm(t) determined by applying square root compression conversion processing 166 to the amounts of correlation Pm(t) between delayed values of the input signal Xm(t) and an output signal Y (t). Thus, the adaptive filter can perform proper adaptive processing at high speed, thereby eliminating multipath distortion with reliability.</p> |
申请公布号 |
EP1508969(A2) |
申请公布日期 |
2005.02.23 |
申请号 |
EP20040019302 |
申请日期 |
2004.08.13 |
申请人 |
PIONEER CORPORATION |
发明人 |
YAMAMOTO, YUJI;KUBUKI, TOSHIAKI |
分类号 |
H04L25/03;H03H21/00;H04B1/10;H04B3/06;H04B7/005;(IPC1-7):H03H21/00 |
主分类号 |
H04L25/03 |
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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