Institute of Acoustics

SOME CORRELATES OF THE LOUDNESS FUNCTION

SANDWICH TRANSDUCERS FOR MODERATE BEAMWIDTHS

CODING FOR TRANSMIT BEAM SONAR SYSTEMS

TIME-VARIED GAIN

ULTRASONIC PROCESSING FOR MEDICAL DIAGNOSTICS

JC SOMER, J LENGKEEK

TRANSDUCER DESIGN BASED ON FILTER THEORY

A FAST COMPOUND SECTOR SCANNING SYSTEM

J SZILARD, G SCRUTON

AN EVALUATION PROGRAMME FOR ULTRASONIC DIAGNOSTIC EQUIPMENT

A BIOLOGIST LOOKS AT PSYCHO ACOUSTICS

AN HEURISTIC STUDY OF THE PROPAGATION OF SOUND TO LONG RANGES BELOW AND WITHIN ACOUSTIC SURFACE DUCTS

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