weighted noise

Audiometric Ambient Noise Evaluated by Using A& Weighted Sound Level

用A&计权声级评价测听环境噪声

According to the noise contained in many sensor data, an algorithm based on support degree and adaptive weighted spatial-temporal fusion of the multi-sensor is proposed.

针对多传感器测量数据中含有的噪声，提出一种基于多传感器支持度和自适应加权时空融合算法。

Signal noise ratio weighted stack by dividing frequency band

分频信噪比加权叠加

According to basic values of ISO standard evaluation of audiometric environment noise by using A-weighted sound level meter is proposed. Different audiometric contents and various frequency ranges are analyzed.

根据ISO标准的基本数值，提出了用A-计权声级评价测听环境允许噪声，分析了不同测听内容和各种测听频率范围的噪声特征。

Furthermore, it can improve resolution to combine other anti-noise Methods : With the weighted average frequency . 3.

将加权平均频率与其它去 噪 方法,结合可提高信号的抗噪能力.

[ Methods] Instant monitoring and equivalent continuous A-weighted sound pressure level monitoring were applied to monitor the noise intensity in 3 workplaces with incontinuous and unstable noise.

方法选择有噪声作业的3个场所，且噪声是不连续、非稳态噪声，分别用瞬时测定方法和等效连续A声级测定方法对噪声强度进行测定。

And the present work discusses the shortage of A-weighted sound level in noise evaluation, applicability of interior noise evaluation for high-speed trains using other noise evaluation criteria, and sound quality objective evaluation based on psychoacoustic parameters.

讨论使用A声级评价车内噪声时的不足，研究其他噪声评价指标的适用性并用于评价车内噪声。最后，基于心理声学参量对高速列车车内声品质进行初步探讨。