Data acquisition in tomography

Details Data acquisition in tomography Data acquisition in tomography

1975-08-27

1977-01-11

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

250445T, G01N 2134, G01N 2300

Patent

active

040029115

ABSTRACT:
Apparatus is so constructed as to employ a sampling beam of radiation of a form which at least approximates to a sinusoidal distribution of intensity between the extremities of its skirts, and is such that the range of sinusoidal variation has an extent of approximately four sampling intervals, whereby the sampling beams have themselves the effect of band limiting the required data to a spatial frequency of approximately half the sampling frequency.

REFERENCES:
patent: 3748470 (1973-07-01), Barrett
patent: 3755672 (1973-08-01), Edholm

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