ultrasound and vibration

    Top: Science: Technology: Acoustics,_Ultrasound_and_Vibration:

• Top/Society/Issues/Environment/Noise Pollution
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• Top/Science/Anomalies and Alternative Science/Anomalous Sounds

• - Specializing in Sonar, R&D systems, anti-submarine warfare (ASW), and acoustics engineering.
  
• - Overview of the microflown technology to measure the entire range of acoustical properties like particle velocity, sound power and ( three dimensional ) sound intensity
  
• - Engineering technical support forums and mutual help system for engineering professionals.
  
• - Develops acoustical hardware and software for scientific research in the underwater environment, including a bio-acoustic monitor allowing the recording of cetacean echo-location signals.
  
• - Information for subscriptions, and review of recent issues and events affecting noise and vibration control.
  
• - Sound Library for Submarines
  
• - Glenbrook South Physics Home Page.
  
• - Project to develop new calculation methods for railway, road, industrial and aircraft noise, run by European consortium.
  
• - Internet version of Chapter 1 of The Theory of Sound by Lord Rayleigh (published in 1877). Chapter 1 is an introduction to acoustics which reveals Rayleigh's strong interest in musical acoustics and the Helmholtz resonator. One or two slight errors are
  
• - Describes a type of dynamic spectrogram suitable for looking at music.
  
• - Sound as a tool to study the ocean environment. How zooplankton scatter sound and models to predict plankton populations in the wild.
  
• - Researchers today apply their knowledge of how sound travels through water to carry out a myriad of tasks such as detecting underwater eruptions, measuring ocean temperature, and monitoring marine mammals behavior.
  
• - View an music which a priori is conceived only subjectively.
  
• - Dan Russell, Ph.D., Associate Professor of Applied Physics at Kettering University in Flint, MI
  
• - Opinions on using sound as a weapon.
  
• - Information on the development of an environmentally safe method of air-conditioning, heating and refrigerating powered by sound waves.
  
• - Defines common terms in noise control engineering.
  
• - Introduction to audio spectrum analysis.
  
• - Loudspeaker audio emphasis.
  
• - Peninsula Publishing publishes reprint editions of classic books on the subjects of acoustics(aeroacoustics and underwater acoustics), sound propagation, noise control, sonars, signal processing;and radar, radio frequency communications and countermeasure
  
• - Brief overview of the basic principles of underwater acoustics.
  
• - The field of acoustics, because it is so diverse, offers many different career opportunities.
  
• - Document on the relationship between loud noise and ear damage, with particular reference to young people and loud music.
  
• - Unclassified description of mine warfare vehicle.
  
• - The physics classroom
  
• - Information concerning acoustics.
  
• - Acoustic and lighting definitions and concepts. Reference for architects and interior designers.
  
• - A Newsgroup FAQ document intended to answer frequently asked questions about acoustics.
  
• - Consulting and educational services in: acoustics; shock and vibration; signal processing; and dynamic data acquisition and analysis.
  
• - Development, production and sales of systems in the fields of radar and sonar technology as well as consultancy work.
  
• - Free articles on the fundamentals of modal analysis.
  
• - Good set of links to other sites.
  
• - Side Scan Sonar and Ocean Exploration.