CA1091774A - Non-recursive in-phase and quadrature discrete filter - Google Patents

Non-recursive in-phase and quadrature discrete filter

Info

Publication number
CA1091774A
CA1091774A CA281,726A CA281726A CA1091774A CA 1091774 A CA1091774 A CA 1091774A CA 281726 A CA281726 A CA 281726A CA 1091774 A CA1091774 A CA 1091774A
Authority
CA
Canada
Prior art keywords
filter
signal samples
cos
sgn
sin
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
Application number
CA281,726A
Other languages
English (en)
French (fr)
Inventor
Hendrik A. Van Essen
Petrus J. Van Gerwen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1091774A publication Critical patent/CA1091774A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Networks Using Active Elements (AREA)
CA281,726A 1976-07-06 1977-06-29 Non-recursive in-phase and quadrature discrete filter Expired CA1091774A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7607426,A NL178469C (nl) 1976-07-06 1976-07-06 Niet-recursief discreet filter.
NL7607426 1976-07-06

Publications (1)

Publication Number Publication Date
CA1091774A true CA1091774A (en) 1980-12-16

Family

ID=19826527

Family Applications (1)

Application Number Title Priority Date Filing Date
CA281,726A Expired CA1091774A (en) 1976-07-06 1977-06-29 Non-recursive in-phase and quadrature discrete filter

Country Status (10)

Country Link
US (1) US4125866A ( )
JP (1) JPS5355939A ( )
AU (1) AU511839B2 ( )
BE (1) BE856442A ( )
CA (1) CA1091774A ( )
DE (1) DE2728890C2 ( )
FR (1) FR2358053B1 ( )
GB (1) GB1539170A ( )
NL (1) NL178469C ( )
SE (1) SE414440B ( )

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7800406A (nl) * 1978-01-13 1979-07-17 Philips Nv Inrichting voor het filteren van gecomprimeerde pulscode gemoduleerde signalen.
NL7801866A (nl) * 1978-02-20 1979-08-22 Philips Nv Digitale filterinrichting voor niet-uniform gekwantiseerde pcm.
US4216463A (en) * 1978-08-10 1980-08-05 Motorola, Inc. Programmable digital tone detector
NL8203520A (nl) * 1982-09-10 1984-04-02 Philips Nv Digitale filterinrichting.
DE3370280D1 (en) * 1982-12-27 1987-04-23 Toshiba Kk Superposed image display device
US4494214A (en) * 1983-02-03 1985-01-15 Rca Corporation Apparatus for generating scaled weighting coefficients for sampled data filters
US4691292A (en) * 1983-04-13 1987-09-01 Rca Corporation System for digital multiband filtering
US4794556A (en) * 1984-09-19 1988-12-27 Massachusetts Institute Of Technology Method and apparatus for sampling in-phase and quadrature components
US6310963B1 (en) 1994-09-30 2001-10-30 Sensormatic Electronics Corp Method and apparatus for detecting an EAS (electronic article surveillance) marker using wavelet transform signal processing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639848A (en) * 1970-02-20 1972-02-01 Electronic Communications Transverse digital filter
NL7101037A ( ) * 1971-01-27 1972-07-31 Philips Nv
US3906347A (en) * 1973-10-11 1975-09-16 Hycom Inc Transversal equalizer for use in double sideband quadrature amplitude modulated system
NL179619C (nl) * 1974-04-18 1987-05-18 Philips Nv Digitale signaalverwerkingsinrichting voor het realiseren van een vooraf bepaalde overdrachtskarakteristiek.
NL176124C (nl) * 1974-06-17 1985-02-18 Philips Nv Digitaal filter met vereenvoudigde vermenigvuldiginrichting.
NL168669C (nl) * 1974-09-16 1982-04-16 Philips Nv Interpolerend digitaal filter met ingangsbuffer.
NL173807C (nl) * 1974-12-18 1983-10-03 Philips Nv Niet-recursief, digitaal filter met verlaagde uitgangsbemonsterfrequentie.

Also Published As

Publication number Publication date
GB1539170A (en) 1979-01-31
DE2728890A1 (de) 1978-01-12
SE7707694L (sv) 1978-01-07
DE2728890C2 (de) 1982-04-29
FR2358053B1 (fr) 1985-01-18
NL178469B (nl) 1985-10-16
SE414440B (sv) 1980-07-28
NL7607426A (nl) 1978-01-10
US4125866A (en) 1978-11-14
FR2358053A1 (fr) 1978-02-03
AU2675877A (en) 1979-01-11
NL178469C (nl) 1986-03-17
BE856442A (fr) 1978-01-04
AU511839B2 (en) 1980-09-11
JPS567324B2 ( ) 1981-02-17
JPS5355939A (en) 1978-05-20

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