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Design and Simulation of a Secure and Robust Underwater Acoustic Communication System in the Persian Gulf

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Figure

Figure 1. Block diagram and structure of the transmitter.
Figure 2. (a) Q channel. (b) I channel. (c) QPSK signal.
Figure 3. (a) Bathemetry used in this study [12]. (b) Sound speed (plus 1500 m/s) in surface and bottom layers in different parts of the Persian Gulf
Figure 6 illustrates the output of the Medwin formula, the output of the obtained modified formula, and the ex-
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