The fan blades noise types are analyzed. It studies fan blades airflow dynamic noise principle.
通过分析风机叶片噪声的类型，研究风机叶片产生空气动力性噪声的机理。
The noise of wood-based panel machinery mainly includes mechanical noise, air dynamic noise, etc.
人造板机械的噪声主要有机械噪声和空气动力性噪声。
Firstly, analyze the primary Dynamic noise reduction (DNR) model, and present an improvement project.
分析原动态降噪(DNR)模型并提出改进方案。
To improve anti-jamming of system, static noise and dynamic noise are analyzed to design anti-jamming project.
为提高系统的抗噪声性能，分别从静态、动态噪声两方面进行了分析，并针对这两方面进行了抗干扰设计。
Based on the limited memory Kalman filtering equation, a new equation with dynamic noise is given in the paper.
在已有限定记忆卡尔曼滤波方法的基础上，引入状态噪声，并推导了新的限定记忆卡尔曼滤波公式。
This paper analyses the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
This paper introduces the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
True day/night and 3D dynamic noise-reduction technologies improve video quality and reduce storage requirements in low-light conditions.
这是昼夜和3D动态降噪技术提高了视频质量且在低光照条件下降低了对储存需求。
The noise from the centrifugal fan is measured and analyzed. It shows that air dynamic noise is primary one. for control air dynamic noise.
通过对离心风机噪声源的分析，进一步确认空气动力性噪声最强。
Methods Use the calibration module of system, configure the system with manikin made of aluminum or copper plate and arrange dynamic noise curve.
方法借助系统自集成的定标模块，用铝或铜板模拟人体对系统进行定标配准；同时整理动态噪声分布曲线。
The noise, the roar, the immediacy and urgency of all the dynamic challenges they face will simply be too great.
他们所面对的喧哗声，咆哮声，所有动态变化的直接和紧急将变得不同寻常。
The paper also sets up the general dynamic model for gear transmission, analyses the vibration and noise principle of the main parts in the gear transmission system like gear and bearing.
论文同时建立了齿轮传动通用动力学模型，分析了齿轮传动系统中齿轮和轴承等主要零部件的振动和噪声机理。
The gear dynamic characteristic with vibration, noise, reliability transmission efficiency and used life was effected by gear dynamic and static precision.
提出了两者对齿轮传动动态特性中振动、噪音、可靠性、传动效率、寿命等的影响。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。
High precision dynamic balancing machine has the characteristics of low noise, high efficiency, long service life, and fully enclosed in high performance grease, life-long maintenance free.
高精度动平衡机具有噪音低、高效率、使用寿命长等特点，且全封闭内加高性能润滑脂，终生免维护。
TV target tracing system has following features: real-time, image indistinctness on the ground of dynamic tracing and external environmental distortion, high noise background intensity and so on.
电视目标跟踪系统实时性强，由于是动态跟踪和外界环境干扰，所以导致图像不清晰、背景噪声较强。
Based on self adaptive noise countervailing method and artificial neural network (ANN) theory, this paper proposes a new approach to the dynamic detecting harmonics.
基于自适应噪声对消技术及人工神经网络(ANN)理论，提出了一种谐波电流动态检测方法。
Obviously, the dynamic threshold is to use quasi-peak level that, while the signal to noise ratio is expressed with the quasi-average levels, and the difference is obvious in.
显见，动态阈是用准峰值电平表示，而信噪比则是用准平均值电平表示的，两者的区别是显而易见的了。
Aimed at the characteristics of ut, a receive and adjust circuit is designed, which have character of low noise, wideband, wide dynamic range of input.
针对超声探伤的特点，设计了低噪声、宽频带、动态范围大的接收调理电路。
Excessive clearance of mechanism joint pair will cause abnormal vibration and noise, accelerate fatigue and wear and seriously affect the dynamic performance of machine.
机构铰接副处过大间隙将引起异常的振动与噪声，加速了疲劳与磨损，严重地影响了机器的动态性能。
Owing to estimate the statistics of virtual noise on line, it overcomes the bad affect caused by linearization of nonlinear dynamic model.
它能够在线估计虚拟系统噪声的统计特性，从而消除了动态模型线性化误差带来的不良影响。
The sensor also works in a rolling shutter mode with Correlated Double Sampling (CDS) to reduce noise and increase dynamic range.
该传感器还致力于减少噪音和提高动态范围在一个相关双采样（CDS）的滚动快门模式。
Application of this method to corona detection, results show that this method is a availability in restraining image noise and keeping the dynamic range of the camera.
将此方法应用到电晕探测过程，实验结果证明了该方法对图像噪声的抑制有效，保持了相机的动态范围。
Since its unique manufacturing technology, the MEMS geophone has ultra-low noise, larger dynamic range and very high vectorial fidelity performances.
因其独特的制造技术，MEMS检波器具有超低噪声，大动态范围和极高的向量保真度性能。
In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequency test.
本文介绍电液伺服系统的几种动态测试方法，包括随机噪声测试，锤击法测试和扫频测试。
The properties of the seismometer are tested by calibration, such as its sensitivity, frequency response, linearity, noise, SNR, transversal effect, dynamic range and so on.
通过电动式标定和振动台标定对地震计的灵敏度、频率响应特性、线性度、横向效应、噪声特性和动态范围进行了测试。
The result shows that the rate of pressure rise and the heat release are the main dynamic load factor that affects the combustion noise.
研究结果表明：气体动力载荷因素中，压力升高率和放热率是影响燃烧噪声的重要因素。
The single-channel monopulse tracking system features simple equipment composition, good real-time performance and small dynamic lag, but tracking channel noise can result in low tracking accuracy.
单脉冲单通道跟踪系统具有设备简单、实时性好、动态滞后小的特点，但由于跟踪通道噪声增加，致使跟踪精度较低。
The decisive factor is that the differentiation is not based on a sample over a discrete time period, but is a physical effect, so that the user sees a dynamic, low-noise acceleration signal.
决定性的因素是这种区分是没有根据的样本离散多时间，但它是一个物理作用，使用户会看到一个充满活力，低噪声加速度信号。
A algorithm is presented to identify dynamic crosstalk noise.
提出了动态串扰噪声的识别算法。
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