. Elements of acoustical engineering. Electro-acoustics; Sound. VELOCITY MICROPHONES 193 1 0 .9 .8 H -J > -6 -1 -J 2 .5 z .4 1- D tL o .2 ^^^ N, s \ > \ \ \ \ \ \ \ A A n 1 \ A ^ (\ r\ OOlfl 3 4 S 5 78 9 3 4 5 6 789 X 3 4 5 6 7 8 9 Fig. Computed open circuit voltage response frequency characteristic of a pressure gradient, mass controlled, electrodynamic Fig. Directional characteristics of a pressure gradient microphone as a function of the dimensions and the wavelength. The polar graph depicts the output, in volts, as a function of the angle, in degrees. The max
. Elements of acoustical engineering. Electro-acoustics; Sound. VELOCITY MICROPHONES 193 1 0 .9 .8 H -J > -6 -1 -J 2 .5 z .4 1- D tL o .2 ^^^ N, s \ > \ \ \ \ \ \ \ A A n 1 \ A ^ (\ r\ OOlfl 3 4 S 5 78 9 3 4 5 6 789 X 3 4 5 6 7 8 9 Fig. Computed open circuit voltage response frequency characteristic of a pressure gradient, mass controlled, electrodynamic Fig. Directional characteristics of a pressure gradient microphone as a function of the dimensions and the wavelength. The polar graph depicts the output, in volts, as a function of the angle, in degrees. The maximum response is arbitrarily chosen as Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Olson, Harry Ferdinand, 1901-. New York, D. Van Nostrand company, inc.
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