The conventional early/late gate time discriminator for the M-Code signal has multiple zeros, which can produce ambiguous or false lock positions.
Code Tracking Performance for Novel Unambiguous M-Code Time Discriminators
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The conventional early/late gate time discriminator for the M-Code signal has multiple zeros, which can produce ambiguous or false lock positions. This paper introduces two new classes of unambiguous (i.e., no false lock positions) discriminators that have a number of very attractive features.