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GB2110439B - Digital data processing - Google Patents

Digital data processing

Info

Publication number
GB2110439B
GB2110439B GB08134089A GB8134089A GB2110439B GB 2110439 B GB2110439 B GB 2110439B GB 08134089 A GB08134089 A GB 08134089A GB 8134089 A GB8134089 A GB 8134089A GB 2110439 B GB2110439 B GB 2110439B
Authority
GB
United Kingdom
Prior art keywords
data processing
digital data
digital
processing
data
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
GB08134089A
Other versions
GB2110439A (en
Inventor
Wong Andrew Chi-Chung
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08134089A priority Critical patent/GB2110439B/en
Publication of GB2110439A publication Critical patent/GB2110439A/en
Application granted granted Critical
Publication of GB2110439B publication Critical patent/GB2110439B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • G01S7/2926—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by integration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB08134089A 1981-11-12 1981-11-12 Digital data processing Expired GB2110439B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08134089A GB2110439B (en) 1981-11-12 1981-11-12 Digital data processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08134089A GB2110439B (en) 1981-11-12 1981-11-12 Digital data processing

Publications (2)

Publication Number Publication Date
GB2110439A GB2110439A (en) 1983-06-15
GB2110439B true GB2110439B (en) 1985-03-06

Family

ID=10525813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08134089A Expired GB2110439B (en) 1981-11-12 1981-11-12 Digital data processing

Country Status (1)

Country Link
GB (1) GB2110439B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668942A (en) * 1984-11-19 1987-05-26 Progressive Dynamics, Inc. Signal analysis apparatus including recursive filter for electromagnetic surveillance system
GB2176321B (en) * 1985-06-03 1988-09-21 Westinghouse Brake & Signal Apparatus for performing a fast fourier transform
WO1988002105A1 (en) * 1986-09-18 1988-03-24 Rheometron Ag Mass flow meter for flowing media, equipped with coriolis force measuring systems

Also Published As

Publication number Publication date
GB2110439A (en) 1983-06-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee