ES2072294T3 - Aparato de submuestreo de datos de muestreo. - Google Patents

Aparato de submuestreo de datos de muestreo.

Info

Publication number
ES2072294T3
ES2072294T3 ES89301385T ES89301385T ES2072294T3 ES 2072294 T3 ES2072294 T3 ES 2072294T3 ES 89301385 T ES89301385 T ES 89301385T ES 89301385 T ES89301385 T ES 89301385T ES 2072294 T3 ES2072294 T3 ES 2072294T3
Authority
ES
Spain
Prior art keywords
data
sub
sampling
values
entries
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.)
Expired - Lifetime
Application number
ES89301385T
Other languages
English (en)
Inventor
Todd J Christopher
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of ES2072294T3 publication Critical patent/ES2072294T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Complex Calculations (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

UN SISTEMA DE FILTRO ANTIALIAS Y DE SUBMUESTREO INCORPORA UN ACUMULADOR COMPUESTO QUE INCLUYE TRES CIRCUITOS ACUMULADORES CONECTADOS EN SERIE (52, 53, 54) CAPACITADOS PARA INTEGRAR Y ENVIAR LOS VALORES INTEGRADOS DE N ENTRADAS DE DATOS DISCRETOS. LOS VALORES INTEGRADOS POR LOS TRES INTEGRADORES SON GRADUADOS, DESCOMPUESTOS Y COMBINADOS PARA PRODUCIR VALORES SUBMUESTREADOS DE UNA SEÑAL QUE HA SIDO FILTRADA SEGUN LA FUNCION DE TRANSFERENCIA (FIG. A) , DONDE T ES EL PERIODO DE LA FRECUENCIA DE MUESTREO. ESTA FUNCION PUEDE SER GENERADA POR UNA COMBINACION LINEAR POR TRAMOS DE DATOS DISCRETOS DERIVADOS DE LOS ACUMULADORES QUE LOS COMPRENDEN, DE ACUERDO CON UN ASPECTO DEL INVENTO, VARIOS CIRCUITOS SUMADORES EN SERIE O PARALELO (520 - 525) QUE, RESPONSABLES DE LA ENTRADA DE LOS DATOS, PROVEEN LOS RESULTADOS EN LOS RESPECTIVOS TERMINALES DE SUMA DE DATOS (SDO) QUE SON ACOPLADOS SUCESIVAMENTE (P1...P6) A UN PUERTO DE SALIDA EN SERIE (70) .
ES89301385T 1988-02-16 1989-02-14 Aparato de submuestreo de datos de muestreo. Expired - Lifetime ES2072294T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/155,944 US4819252A (en) 1988-02-16 1988-02-16 Sampled data subsampling apparatus

Publications (1)

Publication Number Publication Date
ES2072294T3 true ES2072294T3 (es) 1995-07-16

Family

ID=22557415

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89301385T Expired - Lifetime ES2072294T3 (es) 1988-02-16 1989-02-14 Aparato de submuestreo de datos de muestreo.

Country Status (8)

Country Link
US (1) US4819252A (es)
EP (1) EP0329381B1 (es)
JP (1) JP2999478B2 (es)
KR (1) KR970007356B1 (es)
CA (1) CA1298918C (es)
DE (1) DE68922632T2 (es)
ES (1) ES2072294T3 (es)
FI (1) FI890630A (es)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896152A (en) * 1989-03-02 1990-01-23 General Electric Company Telemetry system with a sending station using recursive filter for bandwidth limiting
JPH0812982B2 (ja) * 1990-06-08 1996-02-07 シャープ株式会社 ディジタルディシメーションフィルタ
DE69118372T2 (de) * 1991-07-17 1996-11-14 Ibm Dezimationsfilter für Sigma Delta Konverter und Datenendeinrichtung mit einem solchen Filter
US5995546A (en) * 1996-04-10 1999-11-30 Texas Instruments Incorporated Digital integrator for pulse-density modulation using an adder carry or an integrator overflow
US6708059B1 (en) * 1998-01-23 2004-03-16 Ge Medical Systems Information Technologies, Inc. Method of correcting for phase error induced by a down sampling routine
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) * 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6879817B1 (en) * 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) * 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
TWI280690B (en) * 2003-03-18 2007-05-01 Tdk Corp Electronic device for wireless communications and reflector device for wireless communication cards
EP1775833A1 (de) * 2005-10-12 2007-04-18 Infineon Technologies AG Digitales Filter und Verfahren zum Entwurf digitaler Filter mittels Integrations- und Löschfilter
US7623913B2 (en) * 2006-08-01 2009-11-24 Cameron Health, Inc. Implantable medical devices using heuristic filtering in cardiac event detection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032885A (en) * 1976-03-01 1977-06-28 The United States Of America As Represented By The Secretary Of The Navy Digital correlator
US4270026A (en) * 1979-11-28 1981-05-26 International Telephone And Telegraph Corporation Interpolator apparatus for increasing the word rate of a digital signal of the type employed in digital telephone systems
US4320519A (en) * 1980-04-10 1982-03-16 Motorola, Inc. (Sin X)/X correction circuit for a sampled data system
FR2481026B1 (es) * 1980-04-21 1984-06-15 France Etat
US4281318A (en) * 1980-05-30 1981-07-28 Bell Telephone Laboratories, Incorporated Digital-to-digital code converter
US4704600A (en) * 1985-02-04 1987-11-03 Nippon Telegraph And Telephone Corporation Oversampling converter
US4727506A (en) * 1985-03-25 1988-02-23 Rca Corporation Digital scaling circuitry with truncation offset compensation
US4733403A (en) * 1986-05-12 1988-03-22 Motorola, Inc. Digital zero IF selectivity section
US4755794A (en) * 1987-07-23 1988-07-05 American Telephone And Telegraph Company, At&T Bell Laboratories Digital-to-digital code converter

Also Published As

Publication number Publication date
KR970007356B1 (ko) 1997-05-07
KR890013904A (ko) 1989-09-26
EP0329381B1 (en) 1995-05-17
CA1298918C (en) 1992-04-14
JPH01284110A (ja) 1989-11-15
FI890630A (fi) 1989-08-17
EP0329381A3 (en) 1990-09-19
FI890630A0 (fi) 1989-02-09
DE68922632D1 (de) 1995-06-22
JP2999478B2 (ja) 2000-01-17
US4819252A (en) 1989-04-04
DE68922632T2 (de) 1995-10-12
EP0329381A2 (en) 1989-08-23

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