Underwater_Transceiver_Testbed

Underwater Transceiver Testbed

The Underwater Transceiver Testbed is for digital calibration of underwater acoustic transducers used in underwater applications such as ocean bottom profiling and underwater telephony. Special techniques have been employed, taking into consideration various requirements of calibration principles, limitations of the water medium, frequency range of operation, and type of parameter to be measured.

System includes:

  • Two equipment racks: Main rack and Slave rack
  • A laptop is used to calibrate the test/reciprocal transducer.
Features
  • Operate in two modes: Hydrophone Calibration and Communication Testbed
  • Calibrate hydrophones using Reciprocity principle from 10 kHz to 100 kHz with up to 1000 tone-burst frequency points
  • Execute test workflows via user-defined procedures with step sequencing and logic controls
  • Control transmit/receive chains with configurable frequency, amplitude, waveform, and phase parameters
  • Generate signals using digital and analog modulation schemes: QAM, FSK, AM, FM
  • Record acoustic data in real time with channel selection and level monitoring
  • Analyze signals using built-in tools: spectrogram, FFT, and A-scan visualization
  • Convert data across formats: .wav, .txt, .dat, .bin for flexible I/O processing
  • Log results to structured SQL database and export reports automatically
  • Integrate with industry-standard hardware: E&I 2100L, Krohn-Hite M7500, Etec B2204RC
  • Run on Windows with NI LabVIEW Runtime, DAQmx, and Modulation Toolkit dependencies
  • Support both calibration and communication testing
  • Ensure accuracy and repeatability in measurements
  • Enable full control of acoustic transmit/receive chains
  • Improve signal acquisition and analysis efficiency
  • Enhance data handling, integration, and traceability
  • Simplify deployment and hardware integration
  • Hydrophone calibration and sensitivity measurement for transducers and sonar sensors.
  • Underwater acoustic communication testing for evaluating transmission and reception performance in water environments.
  • Sonar transducer performance evaluation.
  • Multi-channel underwater signal recording and analysis for acoustic monitoring and signal processing applications.
  • Acoustic waveform generation and modulation testing for analog and digital communication experiments.
  • Defense and naval acoustic equipment testing for underwater surveillance and communication systems.

PERSONAL CONSULTATION

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