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The manufacturing of a batch of commercially available passive seismoacoustic sensors to be used concurrently in an array format requires a procedure for the determination of performance. Performance is typically measured by comparing each individual’s sensor’s response to a known control response. Unfortunately, as is the case with the sensors used in this analysis, it is not always practical to...
Communication systems must maintain tight timing synchronization between the transmitter and receiver. Systems typically pull-in timing from a large timing offset and then track timing once it has been sufficiently pulled in. When timing errors are large, additional reference symbols are needed to pull-in time. In some frequency hopping systems, the time pull-in step must be repeated for every hop...
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