The interior low frequency noise of passenger car has direct influence on its comfort.
乘用车的车内低频噪声直接影响其乘座舒适性。
In this paper, we propose a new algorithm for removing high frequency and low frequency noise in face images.
本文提出了一种解决滤除人脸图像中高频及低频噪声的新算法。
The technique of active attenuation of noise is very effective for controlling the low frequency noise in ducts.
有源消声技术对于管道中低频噪声的控制非常有效。
And while the size of MOFETs becomes smaller, the influence of the low frequency noise becomes more significant.
器件尺寸越来越小,噪声相对影响越来越严重。
In this paper, the measurement methods for three kinds of parameters of low frequency noise generator are described.
介绍了针对低频噪声源三种参数的测试方法。
Low frequency noise is one of the most important factors in infrared detectors for space remote sensing applications.
红外探测器的低频噪声是制约器件能否应用于空间遥感的关键因素之一。
The circuit employs chopper technique which can effectively reduce the low frequency noise and amplify the weak signals.
该电路应用斩波技术,大大降低了低频噪声,实现了对低频微弱信号的放大。
The characteristics of the dispersive relation and the propagation of plasma low frequency noise are discussed in details.
具体地讨论了在热传导条件下色散关系的特殊性质和相应的等离子体低频噪声的传播形态。
In this studies, window structure's resonance frequency resulted in indoor low frequency noise pollution which come from traffic noise.
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。
High frequency noise of gears is mainly from tooth error and base pitch, and low frequency noise from accumulated errors of tooth spacing.
齿轮高频噪声产生的主要原因是齿形误差和基节偏差;低频噪声产生的主要原因是齿距积累误差。
Middle and low frequency noise may affect workers' hearing system, nervous system, cardiovascular system, digestive system and metabolism.
结论中低频噪声接触导致作业工人听觉系统、神经系统、心血管系统、消化系统以及代谢功能的影响。
Now the low frequency noise has been paid more attention in modern city. It can run with long distance and penetrate through wall into human ears.
现代城市中的低频噪声已越来越引起人们的重视,低频噪声能够长距离奔袭和穿墙透壁直入人耳。
The small eddies created near the exhaust duct cause high frequency noise but downstream of the exhaust jet the larger eddies create low frequency noise.
在排气口附近产生的小涡流引起高频噪声,但是,在排气流后部大的涡流产生低频噪声。
Nowdays the problems commonly existing in the measurement of low frequency noise of transistors are, great errors, long time and imperfection of noise parameters.
目前有关晶体管低频噪声测量仪器普遍存在的问题是测量误差大、时间长、所给噪声参数不完善。
To learn the effect of middle and low frequency noise on the health of electricity producing workers, and to provide basis for finding effective preventive measures.
目的了解中低频噪声接触对电力生产工人健康的影响,为采取切实有效的防范措施提供依据。
The experimental results show that the method can effectively remove the high frequency and low frequency noise simultaneously, and video stabilization effect is good.
实验证明,该方法可以有效地去除高频和低频噪声,视频稳定效果良好。
This heavier material utilizes "Dissimilar Layer Insulating" technology that solves two of the most difficult automotive problems - exhaust system heat and low frequency noise.
这些材料利用“不同绝缘层”的技术解决了汽车最受困扰的两个问题,排气系统的隔热和低频的噪音。
An improving noise eliminated difference template based on the analysis of object and background gray value also has been developed to eliminate the low frequency noise in image.
对图像中的低频噪声,基于对图像中目标与背景灰度值特点的分析,提出了改进的差分去噪声模板。
In the paper aiming at the problem of low frequency noise transmission through double panel structure, feedback active noise control technique is adopted to control noise transmission.
本文对于低频噪声在双层板结构中传播的问题,探讨采用反馈的主动噪声控制技术以达到控制噪声传播的目的。
Rock wool has good absorption function for medium and low frequency noise and various types of vibration noise. This will be very favorable for reducing noise and improving work environment.
尤其对中低频和各种振动噪声均有良好的吸收效果,十分有利于减少噪音污染,改善工作环境。
This paper presents a detailed discussion of the method for measuring low frequency noise in operational amplifier devices as well as an analysis of some key problems in the measuring process.
本文中详细给出了运放器件低频噪声的测试方法并对测试过程中的若干关键问题进行了深入剖析。
The team recorded data from the Opportunity's accelerometers, and sped up the low-frequency noise 1, 000 times. The result is best described as a sort of grinding noise.
队员从机遇号加速器收录数据,将低频噪声加快速度1000倍,然而结果对这种声音最好的描述是:这是一种轧轧声。
A design method for low phase noise agile X-band frequency synthesizer is presented, the theoretic analysis and calculation is performed and the test results are given.
介绍一种低相噪、捷变频x波段频率综合器设计方法,并进行理论分析、计算,最后给出测试结果。
EMD similars the wavelet transforms, the decomposition result is from high frequency to the low frequency distribution, namely the noise mainly concentrates in first several.
经验模式分解的主要思想类似小波变换,分解结果是由高频到低频分布的,即噪声主要集中在前几层。
The low frequency exhaust noise of a diesel(4 85), its generation, frequency characteristics and influencing factors have been studied through theoretic calculation, analysis and experiment.
针对柴油机(4 85 )低频排气噪声,对其产生机理、规律及其影响因素等作了理论计算、分析及实验。
V-MOS inverter high running frequency, high efficiency, low noise.
管逆变工作频率高,高效,低噪声。
Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
用一低通滤波器和施密特触发器排除高频噪声脉冲。
The traditional neural network correction has a good adaptivity to the noise. But with a stronger low frequency space noise, the correction effect is very poor.
传统的神经网络非均匀性校正算法对噪声具有较好的自适应性,但当空间低频噪声较大时,校正效果明显下降。
As an important way, the low-frequency noise has been used to evaluate and screen the reliability of military-used electronic device.
低频噪声已经作为一个重要的参量用于军用电子元器件的可靠性筛选和评估。
In chapter six, the application of higher order statistics in detection low-frequency noise of transistor is discussed.
第六章研究了高阶统计量在晶体管低频噪声检测中的应用。
应用推荐