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This paper presents a sophisticated approach to demodulate phase shifts in interferometric systems through a novel differentiate and cross-multiply technique applied to sine and cosine functions. The technique improves the accuracy and efficiency of phase detection in various optical applications, making it a significant advancement in the field. We analyze the methodology, its implementation, and potential applications in precision measurement, signal processing, and telecommunications. Experimental results demonstrate the performance enhancement over traditional demodulation techniques.
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The differentiate and cross-multiply sine/cosine interferometric phase-shift demodulator (DCM).