GB2139026B - Signal processing - Google Patents

Signal processing

Info

Publication number
GB2139026B
GB2139026B GB08409493A GB8409493A GB2139026B GB 2139026 B GB2139026 B GB 2139026B GB 08409493 A GB08409493 A GB 08409493A GB 8409493 A GB8409493 A GB 8409493A GB 2139026 B GB2139026 B GB 2139026B
Authority
GB
United Kingdom
Prior art keywords
signal processing
signal
processing
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
GB08409493A
Other versions
GB2139026A (en
Inventor
Edmund Harry Cooke-Yarbrough
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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
Priority claimed from GB838310020A external-priority patent/GB8310020D0/en
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB08409493A priority Critical patent/GB2139026B/en
Publication of GB2139026A publication Critical patent/GB2139026A/en
Application granted granted Critical
Publication of GB2139026B publication Critical patent/GB2139026B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • G01N29/0636—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time with permanent recording
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
GB08409493A 1983-04-13 1984-04-12 Signal processing Expired GB2139026B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08409493A GB2139026B (en) 1983-04-13 1984-04-12 Signal processing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838310020A GB8310020D0 (en) 1983-04-13 1983-04-13 Signal processing
GB08409493A GB2139026B (en) 1983-04-13 1984-04-12 Signal processing

Publications (2)

Publication Number Publication Date
GB2139026A GB2139026A (en) 1984-10-31
GB2139026B true GB2139026B (en) 1986-10-29

Family

ID=26285811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08409493A Expired GB2139026B (en) 1983-04-13 1984-04-12 Signal processing

Country Status (1)

Country Link
GB (1) GB2139026B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149915A (en) * 1983-11-02 1985-06-19 British Nuclear Fuels Ltd An improved method of ultrasonic inspection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1500488A (en) * 1965-10-18 1967-11-03 Shell Int Research Analog-to-digital converter system
US3581304A (en) * 1967-05-16 1971-05-25 Singer General Precision Analog-to-digital cyclic forward feed successive approximation conversion equipment
GB1463806A (en) * 1974-02-04 1977-02-09 Emi Ltd Radar systems including digital processing arrangements
GB1572637A (en) * 1977-01-31 1980-07-30 Motorola Inc Analogue-to-digital converter

Also Published As

Publication number Publication date
GB2139026A (en) 1984-10-31

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Legal Events

Date Code Title Description
711A Proceeding under section 117(1) patents act 1977
PCNP Patent ceased through non-payment of renewal fee