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Gear Dynamics, Gear Noise
Expert heads a laboratory devoted to gear noise research. This lab is supported by over 25 companies. He is a principal lecturer of a gear noise short course offered annually. This course has been taken by over 600 individuals from…
Communication Systems
Expert has extensive experience in several types of spread spectrum systems, including slow, medium, and fast frequency hopping, direct sequence, chirp, and an innovative noise modulation technique which transmits a sinusoid-free waveform. These systems have been used for anti-jam, low…
Design of Pumps, Design of Fluid Systems, System Operation, and Upgrades
Expert has 30 years of experience in dealing with all aspects of pump, pump drive, and pump seal technology. He is extensively involved in the design, engineering, manufacturing, installation, and operation of the full range of centrifugal pumps to a…
Auditory Bioengineering, Sensory Aids, Hearing Loss, Passive & Active Protectors
Expert's main expertise lies in applying the combination of hearing science, audiology, and electrical engineering to the functional design of devices for the normal or impaired ear. This includes research on speech processing to improve understanding by the hearing impaired;…
X-Ray Imaging
Expert is the inventor, designer, and project scientist/program manager of a number of different X-ray imaging systems, ranging from satellite-based X-ray telescopes to large systems for nondestructive imaging of 50 ton rocket motors and nuclear pressure vessels. Expert has both…
Theoretical Physics, Acoustics, SONAR, Signal Processing, Piezoelectric
Expert has studied theoretical acoustics for the past 20 years. His work is strongly mathematical, extending beyond the wave equation to non-linear acoustics and propagation and to noise and even temperature. His work applies to a very wide range of…
Cavitation and Hydroacoustics, Hydropower & Energy, Turbine Testing, etc.
Expert is recognized as an international authority in the field of cavitation and has more than 35 years of research experience in this area. This has involved laboratory studies of various phases of cavitation, cavitation erosion and noise, and field…