HK1002076A1 - Adaptive digital filter for improved measurement accuracy in an electronic instrument - Google Patents
Adaptive digital filter for improved measurement accuracy in an electronic instrumentInfo
- Publication number
- HK1002076A1 HK1002076A1 HK98100622A HK98100622A HK1002076A1 HK 1002076 A1 HK1002076 A1 HK 1002076A1 HK 98100622 A HK98100622 A HK 98100622A HK 98100622 A HK98100622 A HK 98100622A HK 1002076 A1 HK1002076 A1 HK 1002076A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- measurement accuracy
- digital filter
- electronic instrument
- adaptive digital
- improved measurement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
- G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/594,065 US5698984A (en) | 1996-01-30 | 1996-01-30 | Adaptive digital filter for improved measurement accuracy in an electronic instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1002076A1 true HK1002076A1 (en) | 1998-07-31 |
Family
ID=24377367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98100622A HK1002076A1 (en) | 1996-01-30 | 1998-01-23 | Adaptive digital filter for improved measurement accuracy in an electronic instrument |
Country Status (7)
Country | Link |
---|---|
US (1) | US5698984A (zh) |
EP (1) | EP0787997B1 (zh) |
JP (1) | JP3050825B2 (zh) |
KR (1) | KR0185511B1 (zh) |
DE (1) | DE69627465T2 (zh) |
HK (1) | HK1002076A1 (zh) |
TW (1) | TW313628B (zh) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3325456B2 (ja) * | 1996-05-22 | 2002-09-17 | 株式会社アドバンテスト | メモリリペア方法ならびにそのメモリリペア方法が適用される電子ビームメモリリペア装置およびメモリ冗長回路 |
US5930745A (en) * | 1997-04-09 | 1999-07-27 | Fluke Corporation | Front-end architecture for a measurement instrument |
DE19757296C2 (de) * | 1997-12-22 | 2002-12-05 | Rohde & Schwarz | Verfahren zum Bestimmen der Übertragungsfunktion eines Meßgerätes |
US6392402B1 (en) * | 1998-07-30 | 2002-05-21 | Fluke Corporation | High crest factor rms measurement method |
DE19926101B4 (de) * | 1999-06-08 | 2004-04-08 | Rohde & Schwarz Gmbh & Co. Kg | Anordnung zur Fehlerkompensation bei der Umsetzung von Hochfrequenzsignalen ins Basisband |
US6493329B1 (en) * | 1999-08-23 | 2002-12-10 | Qualcomm Incorporated | Adaptive channel estimation in a wireless communication system |
US6542914B1 (en) | 2000-09-01 | 2003-04-01 | Lecroy Corporation | Method and apparatus for increasing bandwidth in sampled systems |
US6501329B1 (en) * | 2000-11-16 | 2002-12-31 | Linear Technology Corporation | Adaptive filtering for improved RMS-to-DC signal conversion |
JP2003078462A (ja) | 2001-08-31 | 2003-03-14 | Sanyo Electric Co Ltd | 無線装置、その信号受信方法、そのフィルタ係数測定方法、およびそのフィルタ係数測定プログラム |
US6842012B2 (en) * | 2001-11-07 | 2005-01-11 | Aware, Inc. | Modeling and calibrating a three-port time-domain reflectometry system |
US6772079B2 (en) * | 2001-12-07 | 2004-08-03 | Guzik Technical Enterprises | Method and apparatus for equalization of a signal acquisition system |
US6701335B2 (en) | 2002-02-27 | 2004-03-02 | Lecroy Corporation | Digital frequency response compensator and arbitrary response generator system |
US6798139B2 (en) * | 2002-06-25 | 2004-09-28 | General Electric Company | Three electrode ceramic metal halide lamp |
TW595108B (en) * | 2003-09-17 | 2004-06-21 | Spirox Corp | Apparatus and method for measuring data converters |
US7034517B2 (en) * | 2004-03-15 | 2006-04-25 | Fluke Corporation | Multimeter with filtered measurement mode |
TWI336168B (en) * | 2004-04-13 | 2011-01-11 | Realtek Semiconductor Corp | Method and apparatus for tuning a digital filter |
US7266464B2 (en) * | 2004-12-17 | 2007-09-04 | Texaco Inc. | Dynamic cut-off frequency varying filter |
JP5140915B2 (ja) * | 2005-09-29 | 2013-02-13 | 富士通セミコンダクター株式会社 | ノイズフィルタ及びフィルタリング方法 |
KR100714554B1 (ko) * | 2006-05-24 | 2007-05-07 | 삼성전기주식회사 | 필터 캘리브레이션 회로 |
US7573408B2 (en) * | 2006-09-21 | 2009-08-11 | Analogic Corporation | Method and system for correcting switched input A/D converters |
US7382292B1 (en) * | 2006-11-10 | 2008-06-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for efficient signal interpolation |
TWI361281B (en) * | 2008-04-17 | 2012-04-01 | Cyrustek Co | A measurement unit including an auto switch low-pass filter |
US8278940B2 (en) * | 2009-09-30 | 2012-10-02 | Tektronix, Inc. | Signal acquisition system having a compensation digital filter |
DE102013221394A1 (de) * | 2013-10-22 | 2015-04-23 | Rohde & Schwarz Gmbh & Co. Kg | Messgerät und Verfahren zur Messung eines Hochfrequenzsignals mit Deembedding |
CN106018955B (zh) * | 2016-05-07 | 2018-11-13 | 天津大学 | 快速卷积可调滤波器组的低速率端频率估计方法 |
CN106556736A (zh) * | 2016-10-25 | 2017-04-05 | 嘉兴职业技术学院 | 一种多功能分析仪 |
US11687474B2 (en) | 2021-02-23 | 2023-06-27 | Rohde & Schwarz Gmbh & Co. Kg | Signal processing system and signal processing method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1271995A (en) * | 1984-07-05 | 1990-07-24 | Nec Corporation | Method and apparatus for converting an analog signal to a digital signal using an oversampling technique |
US4943807A (en) * | 1988-04-13 | 1990-07-24 | Crystal Semiconductor | Digitally calibrated delta-sigma analog-to-digital converter |
US5257026A (en) * | 1992-04-17 | 1993-10-26 | Crystal Semiconductor, Inc. | Method and apparatus for calibrating a multi-bit delta-sigma modular |
US5557267A (en) * | 1993-04-23 | 1996-09-17 | Ade Corporation | Apparatus and methods for measurement system calibration |
US5463893A (en) * | 1994-05-16 | 1995-11-07 | General Electric Company | Sensor matching through real-time output compensation |
US5594612A (en) * | 1994-08-24 | 1997-01-14 | Crystal Semiconductor Corporation | Analog-to-digital converter with digital linearity correction |
-
1996
- 1996-01-30 US US08/594,065 patent/US5698984A/en not_active Expired - Lifetime
- 1996-10-10 EP EP96307373A patent/EP0787997B1/en not_active Expired - Lifetime
- 1996-10-10 DE DE69627465T patent/DE69627465T2/de not_active Expired - Lifetime
- 1996-10-21 TW TW085112869A patent/TW313628B/zh not_active IP Right Cessation
- 1996-10-29 KR KR1019960049670A patent/KR0185511B1/ko not_active IP Right Cessation
-
1997
- 1997-01-28 JP JP9014215A patent/JP3050825B2/ja not_active Expired - Fee Related
-
1998
- 1998-01-23 HK HK98100622A patent/HK1002076A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP3050825B2 (ja) | 2000-06-12 |
DE69627465D1 (de) | 2003-05-22 |
US5698984A (en) | 1997-12-16 |
KR0185511B1 (ko) | 1999-04-15 |
EP0787997A3 (en) | 1998-07-08 |
TW313628B (zh) | 1997-08-21 |
EP0787997B1 (en) | 2003-04-16 |
KR970060683A (ko) | 1997-08-12 |
DE69627465T2 (de) | 2004-02-26 |
EP0787997A2 (en) | 1997-08-06 |
JPH09214291A (ja) | 1997-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20071010 |