讨论轮轨噪声激扰之一：冲击噪声激扰。
The impact noise excitation is discussed, and the time-history inputting models for impact noise excitations are founded.
将气动凿岩机的冲击噪声和回转噪声作为一种主要噪声声源。
It takes the shock and rotation noise as one of the main noise source of pneumatic drill.
我们将稀疏信号处理应用于冲击噪声下的OFDM信道估计问题。
We apply sparse signal processing to OFDM channel estimation under impulse noise.
因为压力脉动减小导致流速增加，从而使冲击噪声和涡流噪声略有增加。
Because velocity of flow reduces when the pressure pulse reduces, the noise of impulsion and the noise of vortex increase a little.
该算法可以抑制冲击噪声对估计性能的影响，同时具有无需谱峰搜索的优点。
It can restrain impulsive noise's influence on estimation performance. Furthermore, it has the merit of no needing spectral peak searching.
对冲击噪声进行了数学上的描述和实验上的分析，提出了降低冲击噪声的措施。
The impact noise is analyzed in theory and a test in the paper, and an effective measure reducing the impact noise is proposed.
本文针对背景噪声为冲击噪声的情况，提出了一种新的近场源二维参数估计方法。
A new method for two-dimensional parameter estimations of near-field sources in the presence of impulsive noise is presented in this paper.
继而为寻求冲击噪声与剁削运动参数间的关系进行了试验研究，并得到了它们间的定量表达式。
Experimental study was carried out to determine the relationship be - 'ween impact noise and shock cutting parameters, a quantitative expression was formulated.
所以通过对冲击噪声频谱的研究，分析产生冲击噪声的瞬时时间与频谱之间的关系是十分必要的。
It is significant to study the spectrum of impact noise and the relation between spectrum of impact noise and transient time length.
液压系统的冲击、振动和噪声是系统中常见的弊端，采用消波器是减小系统冲击噪声的有效方法。
Impulse, vibration and noise are ordinary troubles in hydraulic system, which is an available measure to reduce impulse noise while wave attenuator is used in the system.
锯切噪声的来源有多种，其中锯片的振动冲击噪声以及在锯切过程中引起的轧件振动噪声是主要的。
The Sources of sawing noises are many aspects, in which noises brought on vibration and concussion and noises brought on vibration on the process of sawing are primary.
我们对它的声场和频谱作了详细的实验测量，由于采用外差分析技术，冲击噪声的离散谱和宽带谱可同时记录。
Sound field and spectra thereof were investigated experimentally by utilizing the heterodyne analysis technique, so that both the screech and the wide-band noise can be recorded and studied.
分析了间歇排气噪声及其产生机理，并对其频谱特性、与气压的关系以及其中的冲击噪声特性和噪声消除进行了全面深入的研究。
Studied also are the noise spectrum characteristics and its relation with air pressure and intermittency during exhaust in addition to ways of eliminating impact noise.
本文从分析机械性冲击噪声的发生机理和影响因素入手，论述了用冲击激励技术分析机械性冲击噪声的理论和方法，并进行了实验验证。
By analysing the causes of the machinery impact noise, the authors of this paper mainlydiscuss how to analyse it by the technique of impact stimulation both in theory and practice.
提出一种改进的扩展海明码纠错算法，在不增大海明码距的情况下，提高海明码的抗干扰能力，实现对冲击噪声引起的突发干扰进行纠错。
An improved error-correcting algorithm of extended hamming code is given, which can correct the error brought by shock noise without increasing hamming distance.
如果Hogan的想法是正确的，测高仪将能探测到时空结构中的量子噪声，给我们现有对宇宙的认知带来巨大的冲击。
If Hogan's idea is correct, the Holometer should detect this quantum noise in the fabric of space-time, throwing our whole perception of the Universe into a spin.
介绍一种高感度，高线性，低漂移，小型，量轻，价廉，并且耐冲击振动和噪声影响的压电振动陀螺。
This paper Presents a piezoelectric vibratory gyroscope with the properties of high sensitivity, high linearity, low shift and resistance to shock vibration and noise.
汽车发动机齿轮系统冲击振动所引起的噪声，是发动机噪声的主要来源之一。
The noise excited by impact and vibration of gear pairs in automobile engine is one of the main sources of noise.
在现代船舶的设计与建造中，振动、冲击与噪声控制的问题已越来越受到人们的高度重视。
In the designing and building of modern ships, more and more considerations have been given to the problems of vibration, shock and noise control.
压水堆一回路松动件状态监测系统的关键环节在于如何从复杂背景噪声中提取松动件冲击信号。
The key problem of the loose parts monitoring system for primary loop of pressurized water reactor is how to extract loose parts impact signal from complex background noise.
该方法还可进一步推广应用到存在强噪声、强冲击的滚动轴承、往复机械等的诊断工作中。
This method also may further promote applies to has the strong noise, the strong impact rolling bearing, the reciprocation machinery and so on in the diagnosis work.
又通过发动机机体表面振动加速度，确定活塞敲击噪声产生的根源在于活塞与缸套的碰撞冲击。
It has also been clear that the source of piston knock noise is the impact between piston and cylinder sleeve by the vibration acceleration of the engine's body surface.
采用锤击法，利用冲击激励的宽频特性，研究了金属结构红外探测器的共振特性及影响振动噪声的力学因素。
Mechanical factors effecting on the vibration noise and resonance performance of IR detector were analyzed for the method of impact excitation using a hammer.
HY DAC夹吸收冲击，抑制振动，减少液压系统噪声。
HYDAC clamps absorb shock, dampen vibration, and reduce noise in hydraulic systems.
建立基于EVS算法的同源anc系统，成功地提取了在大背景噪声下测得的金属跌落物冲击信号。
Based on the EVS the same source ANC system has been built which the impact signals of loose parts have been extracted successfully from the background noise.
双圆弧齿轮齿端修形是减小啮入冲击、降低传动噪声、避免齿端崩角、提高使用寿命的有效措施。
The tooth end relief is an effective process for double circular arc gear to lighten the shock, lower the meshing noise, and prevent the tooth end from breakage, so as to prolong the service life.
在分析反应堆松动部件冲击信号噪声基本特征基础上，利用小波非线性阈值滤波方法对冲击信号的提取进行了研究。
On the basis of analyzing the basic features of impact signal noise from reactor loose parts, the wavelet nonlinear threshold value filtering method for the use of impact signal extraction is studied.
齿轮传动的缺点运转中振动、冲击和噪声，并产生动载荷。
Gear defects Operating vibration, shock and noise, and generate dynamic load.
齿轮传动的缺点运转中振动、冲击和噪声，并产生动载荷。
Gear defects Operating vibration, shock and noise, and generate dynamic load.
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