Systems are considered for stabilizing the frequency and phase differences of the optical radiations in the resonators of the Dulkyn gravitational-wave detector laser system. Algorithms are proposed for processing the signal response of the detector to the action of gravitational radiation and these make it possible to observe a detected signal with a signal-to-noise ratio of the order of 50 when the signal-to-noise ratio at the output of the optical part of the system is lower than 10~-7.
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