Method of detecting the correlation between signals with weighti

Details Method of detecting the correlation between signals with weighti Method of detecting the correlation between signals with weighti

1986-03-17

1988-04-19

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

354408, G01J 120, G03B 300

Patent

active

047391570

ABSTRACT:
A correlation detecting method in which in order to detect the correlation between a pair of electrical signal trains which should effect a correlation operation, the operation is effected while the relative position of the signal trains is shifted and during the operation, the signal levels of at least the opposite ends of each signal train are reduced relative to the signals at a central position of the signal train, thereby mitigating the correlation error attributable to the signals near the ends of the signal trains.

REFERENCES:
patent: 4333007 (1982-06-01), Langlais et al.
patent: 4336450 (1982-06-01), Utagawa et al.
patent: 4500189 (1985-02-01), Aoki
patent: 4573784 (1986-03-01), Suzuki
patent: 4602153 (1986-07-01), Suzuki
patent: 4647174 (1987-03-01), Tsunekawa et al.

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