METHOD, SYSTEM AND STORAGE MEDIUM OF PROPORTIONAL-INTEGRAL-DERIVATIVE BASED AUTOMATIC GAIN CONTROL FOR SATELLITE TRANSPONDER SYSTEM UNDER PARTIAL-TIME PARTIAL-BAND ADDITIVE WHITE GAUSSIAN NOISE JAMMING
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United States of America
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Mar 20, 2025
app pub date -
Sep 15, 2023
filing date -
Sep 15, 2023
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Abstract
The present disclosure provides a method, a system and a storage medium of PID-based automatic gain control for a satellite transponder system. The method includes receiving a sequence of sample signals; determining two different block sizes where a block size of a first block is greater than a block size of a second block; using the block size of the first block to compute a first signal-amplitude-ratio (SAR)-based gain value and using the block size of the second block to compute a second signal-amplitude-ratio (SAR)-based gain value by the AGC processor through the sequence of sample signals; calculating a to-be-applied gain control value of an m-th transmitted symbol at a n-th time step; and calculating a new AGC gain at the n-th time step according to the to-be-applied gain control value at the n-th time step and a corresponding AGC gain at the (n−1)-th time step.
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