调节器形成低频噪声或将其推到更高频率。
The modulator shapes the low-frequency noise or pushes it out to higher frequencies.
介绍了针对低频噪声源三种参数的测试方法。
In this paper, the measurement methods for three kinds of parameters of low frequency noise generator are described.
乘用车的车内低频噪声直接影响其乘座舒适性。
The interior low frequency noise of passenger car has direct influence on its comfort.
有源消声技术对于管道中低频噪声的控制非常有效。
The technique of active attenuation of noise is very effective for controlling the low frequency noise in ducts.
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。
In chapter six, the application of higher order statistics in detection low-frequency noise of transistor is discussed.
介绍了一种基于虚拟仪器的电子器件低频噪声测试分析系统。
A noise testing and analyzing system of electronic device, based on the idea of virtual instrumentation, is introduced.
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。
In this paper, we propose a new algorithm for removing high frequency and low frequency noise in face images.
快速延迟扫描技术可用来压缩低频噪声以提高系统的信噪比。
The fast delay scan technique is used which suppressed the noise with low frequency and improved the signal-to-noise ratio of the system.
噪音污染已经是世界七大公害之首，而低频噪声对人体是种慢性损伤。
Noise pollution is already the world's first in seven public nuisance, while the low-frequency noise on the human body is the kinds of chronic injury.
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。
Low frequency noise is one of the most important factors in infrared detectors for space remote sensing applications.
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.
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。
The experimental results show that the method can effectively remove the high frequency and low frequency noise simultaneously, and video stabilization effect is good.
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。
As an important way, the low-frequency noise has been used to evaluate and screen the reliability of military-used electronic device.
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 circuit employs chopper technique which can effectively reduce the low frequency noise and amplify the weak signals.
分析了传统电学参量和低频噪声参量对辐照的响应过程，解释了它们的表征原理。
The courses of the responses to irradiation in both traditional measurement and low-frequency noise measurement are analyzed. The interpretations are also worked out in the meantime.
讨论了低频噪声源的最大输出功率、噪声输出幅度以及噪声带宽测试的实现途径。
Some realization ways of measurement are discussed, including the maximum output power, output amplitude and noise bandwidth.
目前有源耳罩大都采用固定的模拟反馈控制器，不能够最大限度地消除低频噪声。
Most of active headsets, which use fixed analog feedback controllers, are not able to maximize the noise reduction.
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。
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.
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。
The characteristics of the dispersive relation and the propagation of plasma low frequency noise are discussed in details.
针对低频噪声测试的频率范围，选择了合适的数据采集板卡，完成了评价系统的采集模块。
According to the noise test frequency range, select the appropriate data acquisition board and complete the evaluation system of collecting module.
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。
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.
低频噪声的来源主要是由发动机振动，悬架系统振动所引起的车身板件振动产生的辐射噪声。
The primary source of the low frequency acoustics is the radiating noise produced by the vehicle structural vibration, which is induced by the vibrating of the engine and the suspension system.
在研究汽车车内噪声的过程中，判断低频噪声的主要来源和降低车内低频噪声水平是一个难点。
To predict the major sources of low-frequency noise and reduce it are recent difficulties in researching the vehicle interior noise.
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。
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.
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。
Nowdays the problems commonly existing in the measurement of low frequency noise of transistors are, great errors, long time and imperfection of noise parameters.
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。
High frequency noise of gears is mainly from tooth error and base pitch, and low frequency noise from accumulated errors of tooth spacing.
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。
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.
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。
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.
调制器完成对输入信号的量化并对量化噪声进行整形，将有用信号频带内的低频噪声搬移至高频段。
The modulator quantizes the input signal and move the low frequency inband quantization noise to high frequency.
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。
Middle and low frequency noise may affect workers' hearing system, nervous system, cardiovascular system, digestive system and metabolism.
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