منابع مشابه
A model of the VU (volume-unit) meter, with speech applications.
The Volume- Unit (VU) meter, used in speech research prior to the advent of computers and modern signal processing methods, is described in signal processing terms. There are no known software implementations of this meter, which meet the 1954 ASA standard and provide the instantaneous needle level. Important speech applications will be explored, such as making comparisons of speech levels to e...
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At present study on the testing methods and instruments for vehicles’ fuel consumption is still not perfect. It still can’t provide a rapid and accurate measuring method and instrument. A new type of fuel consumption meter structure is developed which used two small containers to relay to supply the engine and realizes oil consumption measuring by detecting the real-time liquid level in the con...
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In ankylosing spondylitis a simple method of measuring and recording spinal deformity is of value in assessing progress. Methods in use include serial photography, serial strip plaster-of-paris casts, and lead-moulding tracing the outline on to paper. The apparatus described below is cheaper, less cumbersome, and more simple and convenient to use. Construction It consists of an upright, 6 ft. 3...
متن کاملA Global Personal Energy Meter
Abstract. Every day each of us consumes a significant amount of energy, both directly through transportation, heating and use of appliances, and indirectly from our needs for the production of food, manufacture of goods and provision of services. I envisage a personal energy meter which can record and apportion an individual’s energy usage in order to provide baseline information and incentives...
متن کاملExperiences with a Density Meter
The use of this instrument, utilising galvanic action to indicate the density of massecuite as a guide to crystallization in sugar-boiling vacuum pans and its construction from cheap and readily available materials are enlarged upon. Difficulties experienced in the instrument's successful operation are enumerated and the means of overcoming these are set forth as a guide to present and future o...
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ژورنال
عنوان ژورنال: SHINKU
سال: 1962
ISSN: 0559-8516,1880-9413
DOI: 10.3131/jvsj.5.110