... sound level meter 噪声计,声级计... standard level meter 标准电平表 audio level meter 声频电平表 ...
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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。
Standard signal generator (Figure 1 standard signal generator diagram) of the output signal level accurate readings, the increase in the rate of transfer or shift can also read the meter.
标准信号发生器(图1标准信号发生器框图)的输出信号电平能准确读数，所加的调幅度或频偏也能用电表读出。
The generally accepted standard is 1020 watts per square meter at sea level.
普遍接受的标准1020在海平面每平方米瓦。
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