环境噪声

在咖啡馆这样的地方，低到中等水平范围内的环境噪声能够促进人们的创意输出。

A low-to-moderate level of ambient noise in a place like a cafeteria can actually boost your creative output .

基于GIS的区域环境噪声评价方法研究

Study on Evaluation Method of the Regional Ambient Noise Based on GIS Tools

GIS在城市区域环境噪声标准适用区划分中的应用县级城市（镇）环境噪声标准适用区域划分方法和程序探讨

Method and procedure of district division for environmental noise standard being suitable to city at county level

PE法计算楔形海底环境噪声垂直分布和指向性

The vertical distribution and directivity of ambient noise calculated by PE method in a wedge-shaped bottom

GM（1,1）模型预测城市区域环境噪声的应用

Application of Grey System Theory GM ( 1,1 ) Model to Forecast Urban Noise

基于GPRS技术的数字化环境噪声监测系统

Development of digital environment noise monitoring system based on GPRS

研究表明，GIS方法是区域环境噪声评价理想的技术工具并具有良好的应用前景。

The research indicated that , GIS method is an ideal technologic tool in evaluating regional ambient noise and has good application prospect .

根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。

According to GPS signal structure and modulation characteristics , a GPS intermediate frequency digital signal is simulated under the condition of noise environment .

不要忘记录制环境噪声声轨（buzztracks）&也就是该地点无人说话时的声音。

Don 't forget to record buzz tracks & the sound of the location when no-one is talking .

应用PB-700微型计算机现场处理环境噪声监测数据

Field Processing the Monitored Data of Environmental Noise with Microcomputer PB-700

对话筒周围的环境噪声，采用带参考输入的最小二乘法（LMS）横向滤波结构，可以取得较多的与噪声相关的信息，消噪效果明显。

Adopting LMS transverse filter with referenced input to the environmental noise around of transmitter , more information related to noise can be gotten and the effect of elimination noise is apparently .

除了PCB的实际逻辑设计，工程师还必须考虑其他几个影响电路的方面，如功耗、PCB大小、环境噪声、以及电磁兼容（EMC）。

Along with design of the actual logic on the PCB , engineers have to consider several other aspects that affect the circuit like power consumption , PCB size , environment noise , and EMC .

通过对Lorenz信号和实际水声信号进行仿真，验证了对低信噪比条件下混响背景和水下环境噪声中微弱谐波信号检测的有效性。

Simulation of the detection model by the Lorenz series and actual underwater acoustic signals validated the effect of weak signals detecting under the reverberation and noise underwater in the case of low signal noise ratio .

同时，针对国家濒危野生动物携带标记困难并且其活动范围大多是人迹罕至的地方，具有监测范围广、地形复杂、环境噪声大等特点，研究WSN中无需携带标签的被动式目标定位方法。

However it is difficult for national endangered wildlife to carry the tag and the scope of its activities are mostly inaccessible places , with complex terrain and ambient noise . Therefore we study the passive object location methods of WSN .

LBS-1型四通道多功能环境噪声自动监测仪

Intelligence Four Channels Environment Noise Monitor

采用离散小波变换（DWT）实现汉语普通话音节的清浊音分段，算法根据信号性质自适应地确定离散小波变换的尺度，具有较好的非特定人性质，并且对不同采样率及环境噪声有较强的适应性。

Discrete Wavelet Transformation ( DWT ) is used to realize voiced / unvoiced segmentation for Mandarin syllable . The algorithm is speaker independent and robust for different sample rate and background noise , which defines the proper scale of DWT adaptively .

根据1997～2003年温州区域环境噪声的监测数据以及相关影响因素的数据，采用两次残差修正GM（1,1）对2010年前温州区域环境噪声进行预测，并进行灰色关联分析。

Based on the monitored data and the related data on Wenzhou environmental noise in the period of 1997 ~ 2003 , the second residual error GM ( 1,1 ) is applied to Wenzhou environmental noise prediction prior to the year 2010 by employ - ing grey correlation analysis method .

可以看出RAYNOISE仿真软件在环境噪声预测，室内噪声预测，建声设计，电声设计方面都有广泛的应用。

It can be knew RAYNOISE can be used in the filed of environment noise , room acoustic , building and audio acoustic simulation .

在对TSA50-C型商用步进电机的测量中，结果验证了这种测量系统在普通实验室环境噪声中可以达到纳米级的位移测量精度。

The results of measurement with TSA50-C commercial stepping motor show that a displacement accuracy of nanometers scale is achieved in the common laboratorial environment .

与ITU-T之前推出的其他算法相比，PESQ算法采用了改进的听觉模型和认知模型技术，并且考虑了系统时延，可以有效的抑制环境噪声、可变时延等对语音质量评价带来的影响。

Compared with the previous algorithms of the ITU , PESQ uses an improved auditory model and cognitive model , and consider the system delay , so it can effectively suppress the impact of ambient noise and delay to speech quality evaluation .

对西安地电台周围环境噪声干扰进行了实验研究，结果表明，环境噪声的衰减是很快的，地电测区避开企事业单位200m，环境噪声电平即可衰减1个数量级。

The results of comparative observation experiment at Xi'an geoelectric station show that the decay of ambient noise is very quick . If the distance of geoelectric measurement zone from the interference sources is 200 m , the noise level will be reduced by one order of magnitude .

经处理后，钢管喷漆工段漆雾与噪声污染得到了有效的控制，达到降噪25dB（A）以上的工程效果，符合环境噪声标准要求。

After disposal , contamination of paint mist and yawp at pipe spray paint section gained effective control , achieved project effect with drop yawp above 25 dB ( A ) and meet the requirements of environment yawp specification .

东北林业大学校园周边环境噪声监测及评价研究

Northeast Forestry University Campus Surrounding Environmental Noise Monitoring And Assessment Studies

铁路环境噪声影响模糊评价新方法

A new method to evaluate environmental noise of railway with fuzzy

建筑环境噪声的评价及噪声控制措施

Assessment of architectural environment noise and practical measures of noise control

用A&计权声级评价测听环境噪声

Audiometric Ambient Noise Evaluated by Using A & Weighted Sound Level

茂名市环境噪声污染现状

The Current Situation of Environmental Pollution of Noise in Maoming City

环境噪声监测自动化是环境噪声监测发展的必然趋势。

The developing trend of environmental noise monitoring is automatic monitoring .

病房环境噪声对手术患者康复的影响

Effect of Environmental Noises in Wards on the Rehabilitation of Patients

泸州市区域环境噪声监测优化布点

Optimum selective locale method on regional environmental noise monitoring in Luzhou