Fast high-signal-to-noise ratio equivalent time processor

Details Fast high-signal-to-noise ratio equivalent time processor Fast high-signal-to-noise ratio equivalent time processor

1996-10-15

1998-06-09

Ngo, Chuong Dinh

Boots, shoes, and leggings

364487, G06F 1710

Patent

active

057645515

ABSTRACT:
The present invention generally relates to ultra high bandwidth, ultra high ample rate systems and more particularly to equivalent time sampling and signal reconstruction. The disclosed technique provides a means to obtain high SNR (signal to noise ratio), uniformly spaced, ET (equivalent time) measurements from data where each point may have differing SNR and/or where the data is not uniformly spaced. The invention disclosed provides least-square optimum SNR output data from a plurality of arbitrarily time-skewed input data. The invention further discloses an implementation of the technique that requires no matrix inversion, but instead puts nearly all operations in a vector multiply or vector add form. The disclosed technique vectorizes the required equations allowing the invention to be implemented in low cost real-time hardware--that is, DSP (digital signal processing) integrated circuits, common micro-processors, or special purpose chip sets.

REFERENCES:
patent: 4678345 (1987-07-01), Agoston
patent: 4755951 (1988-07-01), Hollister
patent: 5122800 (1992-06-01), Philip
patent: 5260670 (1993-11-01), Ainsworth et al.

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