4. Pulse or digital communications
  5. Spread spectrum
  6. Direct sequence

Randal K. Douglas

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GPS m-code receiver tracking system

Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate

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Spread spectrum receiver kalman filter residual estimator...

Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate

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Unambiguous integer cycle attitude determination method

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Aeronautical vehicle
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2259202

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