的便携式声级计和校准声源声测量系统。
Portable sound source for calibration of sound level meters and sound measuring system.
在中东是一个声级计。
目的比较个体计量仪与声级计评价挡车工噪声暴露的异同。
Objective To compare the virtues and disadvantages between the measure results using individual dosimeter and sound level meter respectively.
电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；
Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level;
该装置由工控机、精密声级计、数据采集卡以及相应的采集和分析软件构成。
The instrument is formed by IPC, exact sound level metre, data sampling card and software for sampling and analysis.
结果表明，在测量精度不变的前提下，新测量系统在测量和数据处理方面明显优于原声级计。
Compared with the original sound level meter, the new measuring system has the same accuracy and was much convenient in signal measuring and data processing.
声级计以其简单，方便，成本低，精度高等一系列优点，成为航空器噪音测量方面主要的测量仪器之一。
Sound-level meter by its simple, convenient, the cost is low, the precision higher a series of merits, become one of aircraft noise measurement aspect main metering equipment.
另外为提高声级计测枪炮噪声的精度，对如何正确选择声级计表头刻度范围的问题也作了较详细的说明。
In order to improve the accuracy of test results from pulsimeter, how to select a proper scale range in the pulsimeter is illustrated.
通常，一个手持集成示范等30人是在边界上的三脚架安装位置和声级计，例如，一个15分钟的测量制成。
Often a hand held integrating sound level meter such as the Model 30 would be mounted on a tripod at a boundary position and, for example, a 15 minute measurement made.
该系统以声级计和微机为核心，装上由信号调理和模数转换两部分组成的数据采集卡，完成对风机噪声的测量。
Its core is a microcomputer in which a data acquisition card is installed. The system can perform noise measurement by using hardware resources of computer.
将DDS技术与单片机以及计算机技术结合，运用到猝发声仪器的设计中，实现了符合新的声级计检测标准的猝发声仪器的开发。
With integration of DDS and computer technology, the tone burst instrument is well designed to meet the new testing standard of the sound level meter.
将DDS技术与单片机以及计算机技术结合，运用到猝发声仪器的设计中，实现了符合新的声级计检测标准的猝发声仪器的开发。
With integration of DDS and computer technology, the tone burst instrument is well designed to meet the new testing standard of the sound level meter.
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