Correlator with variably normalized input signals

Details Correlator with variably normalized input signals Correlator with variably normalized input signals

1987-08-12

1989-08-22

LaRoche, Eugene R.

Boots, shoes, and leggings

36472807, 367100, G06F 1531

Patent

active

048602396

ABSTRACT:
A digital complex correlator for correlating in-phase and quadrature components of data samples by shearing the in-phase and quadrature data pairs by a predetermined multiple of the noise in the correlation window under analysis. The sheared data is multiplied by a variable factor generated in accordance with the shearing threshold and the number of samples in the window. The variable factor is generated to maximize the precision in the data while avoiding overflows in the complex multiplication and accumulation of the correlation process.

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patent: 4700324 (1987-10-01), Doi et al.
patent: 4766563 (1988-08-01), Fujimoto

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