GB2534000B - Digital filter - Google Patents

Digital filter

Info

Publication number
GB2534000B
GB2534000B GB1518820.4A GB201518820A GB2534000B GB 2534000 B GB2534000 B GB 2534000B GB 201518820 A GB201518820 A GB 201518820A GB 2534000 B GB2534000 B GB 2534000B
Authority
GB
United Kingdom
Prior art keywords
digital filter
digital
filter
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.)
Active
Application number
GB1518820.4A
Other versions
GB2534000A (en
GB201518820D0 (en
Inventor
Middleton Gregory
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deep Sea Electronics Ltd
Original Assignee
Deep Sea Electronics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deep Sea Electronics Ltd filed Critical Deep Sea Electronics Ltd
Priority to GB1617771.9A priority Critical patent/GB2540687B/en
Priority to GB1518820.4A priority patent/GB2534000B/en
Publication of GB201518820D0 publication Critical patent/GB201518820D0/en
Publication of GB2534000A publication Critical patent/GB2534000A/en
Application granted granted Critical
Publication of GB2534000B publication Critical patent/GB2534000B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G01R13/0218—Circuits therefor
    • G01R13/0254—Circuits therefor for triggering, synchronisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/186—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
GB1518820.4A 2014-07-30 2014-07-30 Digital filter Active GB2534000B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1617771.9A GB2540687B (en) 2014-07-30 2014-07-30 Digital filter
GB1518820.4A GB2534000B (en) 2014-07-30 2014-07-30 Digital filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1413526.3A GB2528847B (en) 2014-07-30 2014-07-30 Threshold transition detector and RMS measurement
GB1518820.4A GB2534000B (en) 2014-07-30 2014-07-30 Digital filter

Publications (3)

Publication Number Publication Date
GB201518820D0 GB201518820D0 (en) 2015-12-09
GB2534000A GB2534000A (en) 2016-07-13
GB2534000B true GB2534000B (en) 2017-02-01

Family

ID=51587485

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1413526.3A Active GB2528847B (en) 2014-07-30 2014-07-30 Threshold transition detector and RMS measurement
GB1518820.4A Active GB2534000B (en) 2014-07-30 2014-07-30 Digital filter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1413526.3A Active GB2528847B (en) 2014-07-30 2014-07-30 Threshold transition detector and RMS measurement

Country Status (1)

Country Link
GB (2) GB2528847B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10502763B2 (en) 2016-05-12 2019-12-10 Tektronix, Inc. Noise reduction in digitizing systems
US10338119B2 (en) * 2016-08-16 2019-07-02 Kohler Co. Generator waveform measurement
DE102017208312B4 (en) 2017-05-17 2022-01-27 BSH Hausgeräte GmbH Determination of zero crossings and voltage values of a mains voltage
FR3076361B1 (en) * 2018-01-04 2019-12-13 Safran Aircraft Engines ADAPTIVE FILTERING PROCESS
EP3508865B1 (en) 2018-01-08 2022-07-20 Delta Electronics (Thailand) Public Co., Ltd. Method for estimating a signal property
CN108444515B (en) * 2018-03-14 2024-10-01 杭州思泰微电子有限公司 Rapid threshold-crossing detection circuit applied to switch modulation signal
DE102018114388A1 (en) * 2018-06-15 2019-12-19 Valeo Schalter Und Sensoren Gmbh Method for controlling a drive device of a micro-oscillating mirror, control device and deflecting mirror device
CN109738921B (en) * 2018-12-12 2021-03-26 东软集团股份有限公司 Filtering method and device for eliminating course jitter, storage medium and electronic equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042691A1 (en) * 1980-06-23 1981-12-30 Toyota Jidosha Kabushiki Kaisha Digital indication type speedometer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051433A (en) * 1975-09-11 1977-09-27 California Institute Of Technology Signal responsive burst period timer and counter for laser doppler velocimetry and the like
JPS57115022A (en) * 1981-01-08 1982-07-17 Fuji Xerox Co Ltd Detecting circuit for zero cross point
US6218870B1 (en) * 1999-09-01 2001-04-17 Agilent Technologies, Inc. Anti-glitch system and method for laser interferometers using frequency dependent hysteresis

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042691A1 (en) * 1980-06-23 1981-12-30 Toyota Jidosha Kabushiki Kaisha Digital indication type speedometer

Also Published As

Publication number Publication date
GB2528847A (en) 2016-02-10
GB2534000A (en) 2016-07-13
GB201518820D0 (en) 2015-12-09
GB2528847B (en) 2016-06-15
GB201413526D0 (en) 2014-09-10

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