Variable rate rectangular matched filter

Details Variable rate rectangular matched filter Variable rate rectangular matched filter

1988-04-04

1989-02-28

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328151, 307520, 375103, 375 96, H03B 100, H03B 500, H04L 700

Patent

active

048089397

ABSTRACT:
A variable rate near perfect rectangular matched filter is provided with a low pass filter coupled to the input symbol data stream. The output of the filter is coupled to a sampler and the output of the sampler is coupled to an analog to digital converter to provide digital samples indicative of the data stream at a time occurring between input data symbols. The output of the analog to digital converter is applied to a digital adder which has a filter correction input factor to adjust the output of the digital adder so that the digital samples approximate very closely the output of a perfect rectangular matched filter.

REFERENCES:
patent: 3781688 (1973-12-01), Rannells

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