很多图像处理和分析系统都采用滤波技术减弱噪声的影响。
It is used in many image processing and analysis system to weaken the influence aroused by noise.
而减弱噪声与净化空气是深圳市下一阶段景观管理与生态建设中需要重点保障的生态系统服务功能。
As for the case study in Shenzhen, the functions of purifying environment and restraining noises are in great need of protection in urban landscape management and ecological construction.
这种微小的型号也意味着，与常规的雪崩光电探测器相比倍增的噪声减弱了50%至70%。
The tiny size also means that multiplication noise is suppressed by 50% - 70% with respect to conventional avalanche photodetectors.
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