发明申请
- 专利标题: OFFSET-FREE SINC INTERPOLATOR AND RELATED METHODS
- 专利标题(中): 无偏转SINC插值器及相关方法
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申请号: US12565596申请日: 2009-09-23
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公开(公告)号: US20110004647A1公开(公告)日: 2011-01-06
- 发明人: Rakhel Kumar PARIDA , Ankur BAL , Anupam Jain
- 申请人: Rakhel Kumar PARIDA , Ankur BAL , Anupam Jain
- 申请人地址: IN Greater Noida
- 专利权人: STMicroelectronics Pvt. Ltd.
- 当前专利权人: STMicroelectronics Pvt. Ltd.
- 当前专利权人地址: IN Greater Noida
- 优先权: IN1371/DEL/2009 20090703
- 主分类号: G06F17/17
- IPC分类号: G06F17/17 ; H03K5/00
摘要:
An offset free sinc interpolating filter includes differentiators operating at a first sampling frequency, integrators operating at a second sampling frequency and one or more coefficient multipliers. The coefficient multipliers multiply a received value with a constant coefficient value to generate an output value. The differentiators, integrators and coefficient multipliers can be operatively coupled to each other, either directly or through other components such as adders and delay elements, or by a combination of the two. In operation, an input signal is provided to the sinc interpolating filter at the first sampling frequency. The input signal is processed by the differentiators, integrators and coefficient multipliers to generate an output signal at the second sampling frequency. Once the output signal is generated, the integrators are reset before the next input cycle begins.
公开/授权文献
- US08738679B2 Offset-free sinc interpolator and related methods 公开/授权日:2014-05-27
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