1.
Pertaining to continuously present, such as" background illumination", " background noise" .
用于修饰或说明连续存在（的状态），比如“背景亮度”，“背景噪声（本底噪声）”。
2.
they got a bad connection and could hardly hear one another over the background signals.
这条电话线路有背景噪声。
3.
Analysis on Background Seismic Noise Characteristics in Jiangsu Province
江苏省区域地表背景噪声特性的分析
4.
An investigation of background noise measurement technology in aeroacoustic wind tunnel
低速航空声学风洞背景噪声测试技术研究
5.
Measuring and Its Correction of Background Noise in Industrial Enterprises Noise at Boundary
工业企业厂界环境噪声监测中背景噪声监测及修正探讨
6.
Conventional hearing devices amplify everything-from conversations to background noise to the clock ticking.
一般的助听器会放大所有的声音—言语声、背景噪声和钟声等。
7.
The Characteristics Analysis and Application Method Study on Seismic Backgrond Noises;
地震背景噪声信号的特征分析与应用方法研究
8.
The Speech Endpoint Detection in Highly Noisy Background and the Realization on DSP;
基于强背景噪声下的语音端点检测算法及实现
9.
Adaptive Speech Enhancement Based on Discrete Cosine Transform in High Noise Environment;
强背景噪声自适应离散余弦变换语音增强
10.
The Research of Pulse Signal Processing Algorithm in Strong Background Noise
强背景噪声下的脉搏信号处理算法研究
11.
A research on the method of image de-noising based on Gaussian white noise
高斯白噪声背景下图像去噪方法研究
12.
Adaptive Weak Signal Detection Used in Strong Chaotic Noise;
强混沌噪声背景下弱信号自适应检测
13.
Cross Esprit Methods Estimating The Parameters of Closesinusoids in Colored Noise;
色噪声背景下正弦参量估计的互ESPRIT法
14.
Frequency and DOA Simultaneous Estimation of LFM Signal under Impulse Noise
冲击噪声背景下频率和DOA的联合估计
15.
New method of IR small dim target detection in big clutter background
强噪声背景下红外弱小目标的快速检测方法
16.
Study on Theory and Method of Chirp Parameter Estimation in Noise Environments;
噪声背景下chirp信号参数估计理论与方法研究
17.
Investigation on Array Signal Processing Amid α-Stable Noise;
α稳定分布噪声背景下阵列信号处理方法研究
18.
Extracting Characteristic Information of Weak Signal from Strong Noise Background by Wavelet Analysis;
强噪声背景下弱信号特征提取的小波分析