2) low-noise generating set
低噪声发电机组
3) airplane noise
飞机噪声
1.
Some countermeasures against airplane noise were proposed.
针对军用机场内部受飞机噪声影响的突出问题,对某军用机场进行了监测,得到了机场内部典型单位室内、外以及飞机起飞加力过程和滑跑时的飞机噪声值,在分析飞机噪声对机场内部影响的基础上,总结提出了针对该机场飞机噪声影响的防治对策。
2.
This paper gives a brief overview of the meaning on airplane noise and its control, including the infection caused by airplane noise and sound explosion.
概述了研究飞机噪声的意义,简单介绍了飞机噪声影响及飞机声爆,详细提出了防治飞机噪声的对 策。
3.
In his paper , we discuss the principle of the outdoor point source as well as road traffic and railway noise and airplane noise predicting mode that is often used in environmental noise impact assessment.
本文探讨了噪声环境影响评价中常涉及到的室外点声源、道路交通噪声、铁路噪声和飞机噪声预测模式的原理。
4) aircraft noise
飞机噪声
1.
Aided system of aircraft noise prediction around airport;
机场周围飞机噪声预测辅助系统
2.
Study of the effect on teaching by aircraft noise around airport;
机场周围飞机噪声对教学活动的影响研究
3.
The paper briefly expatiated the advantages and disadvantages of the existing aircraft noise's main evaluation measure,discussed the aircraft noise's influence on different group,and established evaluation formulae after considering the aircraft noise's influence to different group.
简述了现有机场飞机噪声主要评价量的优缺点 ,重点对飞机噪声对不同人群的影响作了探讨 ,建立了考虑飞机噪声对不同人群影响后的评价公式 ,同时为确定人群影响修正系数 ,将不同人群划分为 5个年龄段 ,按目标层 ,准则层 ,指标层 3层划分建立了对不同人群影响的评价指标体系 ,并通过建立两两判断矩阵和引用实例统计数字计算了一个理论参考
5) mechanical noise
机械噪声
1.
A review of control of mechanical noise for submarines;
潜艇机械噪声控制技术综述
2.
The identification of mechanical noise and combustion noise in internal combustion engine
内燃机机械噪声与燃烧噪声识别
3.
The paper analyzes the generation and the transmission of mechanical noise, and introduces the general principle and the steps of controlling mechanical noise.
分析了机械噪声产生的原因,介绍了机械噪声的传播,阐述了控制机械噪声的一般原则与步骤。
6) random noises
随机噪声
1.
Then Based on this methods,a new method of removing random noises was suggested.
介绍了Donoho的小波域阈值去噪处理方法 ,提出了对小波变换尺度上小波系数进行分时分频相关处理去噪后 ,再重构小波系数的方法 ,以去除大部分随机噪声。
2.
Using conventional de-noising method by threshold filter in wavelet domain can remove random noises, but its de-noising effect and signal fidelity is not always good.
该方法可去除大部分高频随机噪声。
3.
The effect of using conventional KL transform to remove strong energy random noises of seismic data is not very good.
常规KL变换对于具有强随机噪声的地震信号处理效果不佳 ,本文提出一种将小波变换和KL变换结合使用的去噪处理新方法。
补充资料：1100mm×12.7mm大型冷弯型钢机组(汉口轧钢厂)
1100mm×12.7mm大型冷弯型钢机组(汉口轧钢厂)
一睽 1100mmx12.7mm大型冷弯型钢机组(汉口轧钢厂)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条