As a powerful tool for handling spatial information, GIS plays an important role in the supervising and controlling of urban traffic noise pollution.
GIS作为一种空间信息处理的强大工具，在交通噪声的治理和控制中起到重要的作用。
2
This method is insensitive to spatial image noise and is in better correspondence with the response of the human visual system than is the standard technique.
这种方法对空间图像噪声不敏感，并且与标准技术相比，它能够更好的与人类视觉系统的反应相一致。
3
Noise pollution has complex spatial distribution, traditional evaluation methods achieve accurate, direct-viewing effects with difficulty.