与可见波段相比,背景噪声低.

Compared with light sources at visible band, they suffer less background noise.

实验结果表明，方法有效抑制了背景噪声和音乐噪声并提高了语音质量。

The experiment result shows that the approach restrains from the background noise and music residual noise and improved the speech-sound quality.

实验表明，该增强算法能够在减小语音失真的同时，很好地抑制背景噪声和残余音乐噪声。

The results show that the enhanced method leads to a significant reduction of background noise and the unnatural structure of the residual noise.

提出用数字高通滤波器来减少重建图像的背景噪声。

A method of high-pass filtering is proposed to reduce the background noise of the reconstruction.

有时候，电台或电视台上的话语仅为一些背景噪声似的东西，语言学上叫着背景助兴音乐。

Sometimes, spoken language on the radio or TV is just background noise, the linguistic equivalent of muzak .

检测淹没在强背景噪声中的窄带信号是信号处理中的一个重要问题.

Detecting narrowband signal in intensive background noise is an important task in signal processing.

电力系统在线监测中的检测信号含有大量的背景噪声，不便于检测。

Online monitoring of power system test signal contains a lot of background noise , not easy to detect.

实现了测量系统对背景噪声的实时扣除，使系统的测量灵敏度约提高了一个量级。

This method realized real-time deducting background noise and improved measuring sensitivity, is of one order of magnitude.

扬声器提供了响亮而清晰的通话，而我们的过滤背景噪声的环境。

The speakerphone delivers loud and clear conversations while filtering our noisy background environments.

研究了用脉间步进频率雷达对杂波背景噪声下地面或海面动目标的探测。

This paper studies how to detect the moving targets on the land and sea surface in the background of clutters by using pulse-pulse step frequency radar.