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Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
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Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
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Design of a New Stress Wave-Based Pulse Position Modulation (PPM) Communication System with Piezoceramic Transducers.

Aiping Wu1, Sihong He2, Yali Ren3

  • 1National Demonstration Center for Experimental Electrical & Electronical Education, Yangtze University, Jingzhou 434023, China. wuaping@yangtzeu.edu.cn.

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Summary

This study introduces a novel stress wave communication system using pulse position modulation (PPM) transmitted through pipelines via piezoceramic transducers, achieving data rates up to 67 bits per second for subsea applications.

Keywords:
piezoceramic transducerpulse position modulationstress wavestress wave-based communication

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Area of Science:

  • Engineering
  • Materials Science
  • Communications

Background:

  • Subsea environments pose challenges for conventional communication methods.
  • Drill strings can serve as conduits for stress wave propagation in well logging.
  • Piezoceramic transducers offer a viable solution for generating and detecting stress waves.

Purpose of the Study:

  • To design and implement a novel stress wave-based pulse position modulation (PPM) communication system.
  • To enable data transmission through pipeline structures using stress waves.
  • To evaluate the performance of the developed system for subsea communication.

Main Methods:

  • A hardware system comprising a piezoceramic transducer and a PPM signal generator was developed.
  • The signal generator, integrated with an amplifier, excites the transducer to generate modulated stress waves.
  • A software system with a PPM protocol was implemented for encoding and decoding information.
  • Piezoceramic sensors were used to convert received stress waves into detectable electric signals.

Main Results:

  • The developed system successfully transmitted data through a pipeline structure using stress waves.
  • The system demonstrated the feasibility of stress wave communication in challenging environments.
  • A data transmission speed of up to 67 bits per second (bps) was achieved.

Conclusions:

  • The novel stress wave-based PPM communication system is effective for subsea data transmission.
  • Piezoceramic transducers are suitable for generating and detecting stress waves in pipelines.
  • The system shows promise for applications in well logging and other subsea operations.