另一个好处是室内噪声和振动减少。
Another benefit is a reduction in interior noise and vibrations.
室内噪声来源于室外噪声辐射和室内声源。
Indoor noise comes from the emission of outdoor noise and indoor sources of noise.
初步探索了利用有限元方法进行汽车室内噪声优化的基本方法。
This paper develops the way of optimizing vehicle interior noise while the finite element method is employed.
拖拉机驾驶室内噪声的大小与拖拉机噪声源及驾驶室本身的声学特性有关。
Noise within a tractor cab is concerned with the noise sources of the tractor and the acoustic characteristics of the cab itself.
文中综合了现有单值评价方法的优点,提出能使构件隔声与室内噪声取得协调的评价方法。
Besides well known rating methods, a new one is proposed which may be taken to rate either sound insulation of a partition or noise reduction in the room.
应采取多种措施如监督监测、评价、制定标准、噪声控制技术等来降低室内噪声,保护人群健康。
To reduce indoor noise and protect the public health, actions such as monitoring, assessment, developing criteria and noise control techniques, should be taken.
离心玻璃棉可以制成墙板、天花板、空间吸声体等,可以大量吸收房间内的声能,降低混响时间,减少室内噪声。
Centrifugal glass cotton can be made into wallboard, ceiling, space sound-absorbing body etc, can be absorbed in a room, reduce doubled the reverberation time, reduce indoor noise.
本文对拖拉机驾驶室内低频噪声预测进行了比较系统的研究,对降低驾驶室内噪声具有一定的理论依据和设计参考。
In this thesis, a relatively systematic study of noise prediction from low-frequency tractor cab has been done. It provides a certain theoretical basis for reducing cab noise.
室内环境品质的影响因素很多,而与暖通空调关系最为密切的有热湿环境、室内空气品质、室内风速以及室内噪声因素。
There are many factors influencing the indoor environment quality, but hot and wet environment, interior air quality, interior wind velocity and interior noise has close relation to HVAC.
本文以某轮式装载机为样机,在进行大量试验的基础上,对影响驾驶室内噪声的主要噪声源和驾驶室本身的声学特性进行了分析。
Based on a large number of tests, the noise sources of a wheeled loader cab are determined and the acoustic characteristic of the cab is analyzed.
建议明确噪声指标,须考虑与室内设备的噪声叠加问题,不符合要求的机组、空调通风系统必须有消声处理措施。
The noise index should be definite, and the problem of noise integrating phenomenon with the indoor equipments should be considered. The improper units should have the noise elimination measure.
通过对驾驶室内空气声、固体声和混响声的分析,说明了简易式驾驶室的声学特性对耳旁噪声的影响。
On analysis, it is explained that the efcct of air, solid and reverberant noise within the cab on the car noise is illustrated in detail.
在混响室内测试了轿车轮胎的噪声声级。
The noise level of passenger car tire was measured in a reverberation laboratory.
针对恶臭和噪声污染,着重论述了建设花园式厂区和全封闭的“室内”、地下污水处理厂的解决方案。
The garden like plant area and closed indoor process units or underground treatment plant could be constructed to protect the odor and noise pollution.
侵入早噪声对双向有线电视网的影响最大,其大部分来自于用户室内。
The invading noise has the greatest effect on the upstream of two way CATV system, which mainly comes from the indoor of the users.
等方向性噪声是室内声学环境中的一个显著特征,对于很多麦克风阵列和自适应消噪系统而言,具有重要意义。
Isotropic noise field, being of importance to many microphone arrays simulation and adaptive noise cancellation systems, is a famous characteristic in room acoustic environment.
为了控制内藏式空调室内机的噪声,运用分步运转、频谱分析等方法判断出主要噪声源。
In order to control the noise of the indoor unit of an embedded air conditioner, the main source of the noise is identified by using separate running and noise spectrum analysis.
实验室内研究需要产生包括混沌噪声在内的各种噪声,并叠加微弱周期信号作为微弱信号检测系统的信号源。
In laboratory study, all kinds of noise including chaotic noise, are needed to be generated, which iterated with weak periodic signal is used to be signal source.
针对轮胎花纹噪声仿真分析结果与实测数据存在差异的问题,进行了室内不同方位轮胎花纹噪声测量试验。
The difference between the simulated tread patterns' noise and the measured value was investigated by measuring the tread patterns' noise at the different indoor places.
结果在本次调查各重点科室室内空气的细菌总数、相对湿度和噪声合格率偏低。
RESULTS In this investigation the items of some priority department can′t catch the standard level such as total bacteria number, relative humidity and noise.
总级联该接收机的噪声系数低至1.4分贝,可以帮助提供室内使用的敏感性增加。
The total cascaded noise figure of this receiver is as low as 1.4 dB that can help provide increased sensitivity for indoor use.
由于室内无线传播环境的噪声随机性干扰比较大,在设计射频识别室内定位应用系统时,高精度定位算法的研究显得十分重要。
In the design of RFID indoor location system, due to the existence of serious random interference in indoor radio environment, it is very important to have location algorithms with high accuracy.
引入室内空气质量和噪声,结合温度、相对湿度、风速和平均辐射温度作为室内环境综合评价参数。
Introduces indoor air quality and noise level as integrated parameters along with air temperature, relative humidity, air velocity and mean radiant temperature.
在其合理组织室内空气流动、使空气温湿度、流速等能更好的满足人们的舒适感觉的同时,其下送风口的气流再生噪声问题也备受关注。
It not only can indoor air flow organized rationally, but also can air temperature and humidity, flow rate satisfied. What's more, the noise control should also be concerned about.
一个闷热、噪声背景很高的室内,即使看上去很漂亮,待在其间也很难给人愉悦的感受。
A hot, high background noise of the room, even if looks beautiful, it is very difficult to stay in the meantime give the feeling of pleasure.
在本研究中,窗户结构共振频率造成了道路两侧住宅室内低频噪声污染。
In this studies, window structure's resonance frequency resulted in indoor low frequency noise pollution which come from traffic noise.
理想的室内音质是无噪声干扰的。
通过对比分析,得出居民对室内某一噪声值的评价因其所处的不同类区而不同的结论。
To a given noise value, the assessment by the residents is different according to different noise - class districts.
在噪声控制中用于室内吸声降噪以及通风空调系统和动力设备排气管中的管道消声等。
In the noise control, it can be used in sound absorption and noise reduction in the room.
由于室内环境复杂,多径传播、随机噪声干扰等影响较大,因此室内定位系统的算法研究具有挑战性。
Because the indoor environment is very complex, and it's greatly influenced by multipath propagation and random noise, the research on the algorithms of indoor location system is of great challenge.
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