Phase recovery filtering techniques for SCP throughput shortage

Details Phase recovery filtering techniques for SCP throughput shortage Phase recovery filtering techniques for SCP throughput shortage

2005-12-27

2005-12-27

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

C244S158700, C375S326000

Reexamination Certificate

active

06980893

ABSTRACT:
This invention introduces innovative filtering techniques to recover the instability phase margin loss due to time delay induced from a throughput shortage problem of a spacecraft central processor (SCP). This invention relates to digital control systems and, more particularly, to a phase recovery filtering technique to alleviate spacecraft central computer processor or (SCP) throughput shortages. This filtering technique recovers the unstable phase margin loss due to the time delay caused by the SCP throughput problem. The filtering techniques may be accomplished without schedule slip or extra cost to the project.

REFERENCES:
patent: 5862191 (1999-01-01), Moridi
patent: 6031880 (2000-02-01), Li et al.
patent: 6650699 (2003-11-01), Tierno

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