system noise

Analysis and control of the hydraulic system noise of coal excavator

采煤机液压系统噪声的分析与控制

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A new method for testing the video signaltonoise ratio ( SNR) of television tracking system was brought forward, in which3D noise theory and digital image processing technique was adopted.

提出了一种采用三维噪声理论和数字图像处理技术对电视跟踪系统视频信噪比（SNR）进行测试的新方法，并给出了测试系统的结构框图和部分测试结果。

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Airflow system maximizes air volume at minimum noise level.

空气动力系统使加热器在最大出风量时将噪音降到最低.

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A interference system should have low noise 、 high contrast and adjustable bri-ghtness of the fringes.

干涉系统应有低的噪音、高的干涉条纹对比度及条纹亮度可调等要求.

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The errors in the marine magnetic gradient measurement are divided into system noise, heading errors, geometrical effects, swell noise and sensor motion.

将影响梯度测量的误差主要分为四种：系统误差、航向磁效应、几何效应、波浪噪声及传感器运动误差。

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The system must reject noise even when there is no signal and, in fact, this is usually how system noise testing is done.

不过，这种对称性对于噪声抑制没有意义，系统应当能在没有信号时也能抑制噪声的发生（侵入），事实上，这通常是系统测试所需要做的。

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Further, the influences of background fluctuation noise, temperature fluctuation noise, thermo-mechanical vibration noise and optical readout noise on the system noise is discussed.

此外，还分析了背景涨落噪声、温度涨落噪声、热机械噪声和光学读出噪声对系统噪声的影响。

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An integrated system of reducing temperature and noise for the large motor in coal mines

煤矿大型电机集热降温消声系统设计

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A Target Tracking Filter with Unknown Time-varying System Noise Variance

一种带未知时变系统噪声水平的目标跟踪滤波器

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The thermal motion analysis method needs the least parameters, but the results are greatly affected by the system noise.

热运动分析法所需要的参数少，但是受到系统噪声影响较大；

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In the television tracking system, real-time filtering based on hardware is very significant to meet the demands of real-time image process and to restrain pulse noise.

在电视跟踪系统中，为了抑制数字视频图像存在的脉冲噪声和满足系统实时性的需要，对图像进行基于硬件的实时滤波处理是有重要意义的。

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The crosstalk among the channels of the TDM system and the system noise are measured.

对光纤水听器时分复用系统通道间串扰和系统噪声进行了测试.

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Every analogue wireless system has background noise to a certain extent.

每个模拟无线系统都有一定程度的电子干扰音.

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This paper presents an audiovisual continuous speech recognition system for noise environments.

识别实验表明,文中建立的音频视频连续语音识别系统具有很好的抗噪性.

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For majority of the gyro used bulk silicon micromachining, the system noise is mainly from the readout circuit, so the use of high-precision capacitive sensing circuit scheme to achieve small electric charge read out is very important.

对绝大多数体硅微加工的陀螺来说，系统的总噪声主要是来自于读出电路，因此使用高精度电容检测电路方案对于实现微小电荷读出来说非常重要。

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The Coding Theorem of Secret Sharing Communication System with Three Noise Channels.

秘密共享技术及其应用研究.

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The experiment which uses the established sealing cabin temperature and noise system researches on the rats hippocampal positive reacting cell-number of glutamate ( Glu) immunity and the light density.

利用密封舱建立的温度和噪声实验系统对大鼠海马谷氨基酸（Glu）免疫反应阳性细胞数和光密度进行了实验研究。

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An interacting multiple model ( IMM ) adaptive filtering algorithm based on expected system noise model was presented.

本文提出基于期望系统噪声模型的自适应交互式多模型 ( IMM ) 算法.

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Since MUH has large angular accelerations, the visual compass method can work only if the a priori system noise covariance in motion model is set a large value. But this results in high computational cost for matching and high rate of erroneous matches.

微小型无人直升机具有较大的角加速度，需要提高运动模型中系统噪声方差的设定值才能使视觉罗盘继续工作，但是导致匹配计算量增大，匹配错误发生率提高。

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According to the request of the technique, the main parameters of noise equivalent temperature difference and minimum resolvable temperature difference were analysed and calculated. It proved the design of infrared imaging system was reasonable.

根据技术指标的要求，对噪声等效温差、最小可分辨温差等主要参数进行了详细的分析与计算，证明了红外热成像系统设计的合理性。

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The first biography hears is the irritating transmission system noise.

首先传入耳中的就是恼人的传动系统噪音.

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