JPS6447117A - Digital signal phase correction device - Google Patents
Digital signal phase correction deviceInfo
- Publication number
- JPS6447117A JPS6447117A JP20380687A JP20380687A JPS6447117A JP S6447117 A JPS6447117 A JP S6447117A JP 20380687 A JP20380687 A JP 20380687A JP 20380687 A JP20380687 A JP 20380687A JP S6447117 A JPS6447117 A JP S6447117A
- Authority
- JP
- Japan
- Prior art keywords
- interleaving
- circuits
- phase correction
- signal
- digital signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Complex Calculations (AREA)
Abstract
PURPOSE:To attain the phase correction with high accuracy while offering less calculation quantity and less hardware by connecting plural signal processing parts each comprising an interpolation circuit, an LPF and an interleaving circuit in series and setting the coefficients of the processing section to be in the relation of being prime numbers of each other. CONSTITUTION:The titled device consists of plural signal processing sections 71-7n comprising respectively correction circuits 41-4n applying data interpolation of a multiple of (l) with respect to a sampling digital signal, LPFs (51-5n) having a cut-off frequency of fs/2l and receiving an output signal of the circuits 4, and interleaving circuits 61-6n interleaving the output signal of the LPFs 5 at an interval of a multiple of 1/l in response to the data interpolation as component blocks. Then coefficients l1-ln are selected to be mutually prime number of each other and the phase interleaving the signal is set to a desired value depending on control signals C1-Cn fed to the circuits 61-6n. Thus, the phase correction with high accuracy while offering less calculation quantity and hardware is attained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20380687A JPS6447117A (en) | 1987-08-17 | 1987-08-17 | Digital signal phase correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20380687A JPS6447117A (en) | 1987-08-17 | 1987-08-17 | Digital signal phase correction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6447117A true JPS6447117A (en) | 1989-02-21 |
Family
ID=16480037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20380687A Pending JPS6447117A (en) | 1987-08-17 | 1987-08-17 | Digital signal phase correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447117A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013511894A (en) * | 2009-11-18 | 2013-04-04 | クゥアルコム・インコーポレイテッド | Delay circuits in other circuits or active noise cancellation circuits that perform decimated coefficient filtering |
| US8769971B2 (en) | 2008-01-25 | 2014-07-08 | Alliance For Sustainable Energy, Llc | Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240012A (en) * | 1975-09-24 | 1977-03-28 | Western Electric Co | Signal processor for converting digital sampling frequency |
| JPS57115015A (en) * | 1980-11-26 | 1982-07-17 | Biri Shiyutouudaa | Method and device for converting input sampled sequence into output sampled sequence |
| JPS6232727A (en) * | 1985-08-05 | 1987-02-12 | Fujitsu Ltd | echo canceller device |
| JPS62122423A (en) * | 1985-11-22 | 1987-06-03 | Mitsubishi Electric Corp | Digital/analog conversion circuit |
-
1987
- 1987-08-17 JP JP20380687A patent/JPS6447117A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240012A (en) * | 1975-09-24 | 1977-03-28 | Western Electric Co | Signal processor for converting digital sampling frequency |
| JPS57115015A (en) * | 1980-11-26 | 1982-07-17 | Biri Shiyutouudaa | Method and device for converting input sampled sequence into output sampled sequence |
| JPS6232727A (en) * | 1985-08-05 | 1987-02-12 | Fujitsu Ltd | echo canceller device |
| JPS62122423A (en) * | 1985-11-22 | 1987-06-03 | Mitsubishi Electric Corp | Digital/analog conversion circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8769971B2 (en) | 2008-01-25 | 2014-07-08 | Alliance For Sustainable Energy, Llc | Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification |
| JP2013511894A (en) * | 2009-11-18 | 2013-04-04 | クゥアルコム・インコーポレイテッド | Delay circuits in other circuits or active noise cancellation circuits that perform decimated coefficient filtering |
| JP2015111859A (en) * | 2009-11-18 | 2015-06-18 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients |
| US10115386B2 (en) | 2009-11-18 | 2018-10-30 | Qualcomm Incorporated | Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients |
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