矿用贯流风机噪声的主要成分是旋转噪声和涡流噪声。
The tubular cross flow fan is the main component of rotation noise and worm flow noise.
首先基于风机噪声理论的分析确定了影响风机噪声源的主要因素是旋转噪声和涡流噪声。
The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis.
曝光的天空被旋转着以补偿地球的自转，然后把一连串的图像叠放在一起，产生了与单一曝光相同的图像，可是很少有数码噪声。
The sky in the exposures was de-rotated to compensate for the rotation of Earth, then images were stacked together producing an image identical to a single exposure but with less digital noise.
实验表明，该算法对于噪声、旋转、缩放和JPEG压缩等常见攻击有良好的鲁棒性。
Experiment shows that the algorithm is resist in common watermarking attacks suck as noise, rotate, resize and JPEG compression.
实验结果表明，该水印检测器不仅对旋转、平移攻击有很强的抵抗能力，而且对随机高斯噪声也具有良好的鲁棒性。
Experimental results show that this watermark detector has not only the good robustness to Gaussian noise, but also the very strong resistant ability to translation and rotation attacks.
大量的旋转机械在运转时产生强烈的噪声，因而给人们的日常工作和生活带来许多烦恼。
Lots of rotary machines bring strong noise when they rotate. As the result of the noises, the people feel very annoyance in their daily life.
这种方法对高斯噪声和星座图由于信号初始相位而引入的旋转具有良好的稳健性，并避免了神经网络中的过学习和局部极小点等缺陷。
This method is robust to Gaussian noise and constellation rotation due to initial phase of signal and avoids overfitting and local minimum in neural networks.
实验结果证实了该算法角点定位的准确性、旋转不变性，具有一定的尺度不变性和抗噪声能力。
Experiments are performed to show that the proposed algorithm can locate corners accurately, is rotationally invariant, has scale invariant property and is insensitive to noise contamination.
噪声是影响旋转机械早期故障检测的主要因素。
Noise is the main factor influencing incipient rotor machine failure detection.
微分不变量具有平移和旋转不变性，并且对噪声具有较强的鲁棒性。
The differential invariants are robust to the noise and also invariant to the translation and rotation.
重点讨论了旋转机械源（包括振动激励源与噪声源）混合模式及源波形恢复问题。
This paper focused on such problems as mixing models of sources of rotation machines (including vibratory and acoustical sources) and their waveform restoral.
为了避免经验模式分解(EMD)过程中不同时间尺度函数间的模式混叠，采用基于高斯白噪声加入的经验模式分解方法，并将之应用于旋转机械故障诊断中。
The EMD added Gauss white noise is proposed to avoid mode mixing of different time-scale IMF, and is applied in fault diagnosis for rotating machine.
储液器是旋转式压缩机上的一个重要部件，由于它具有较大的声辐射面积，因此它的噪声贡献量不容忽视。
Since the accumulator is one of the most important component with the largest sound radiation surface area in rotary compressor, its noise contribution may be substantial.
单矢量传感器具有可电子旋转的偶极子指向性，声压、振速信息联合矢量信号处理在噪声背景下有良好的探测能力，矢量(传感器)阵能取得更好的能力。
Acoustic vector sensor with the electronic rotating directivity of dipole can effectively detect signal in the background of noises. More information can certainly be obtained by vector sensor array.
经该方法处理得到的描述子对仿射、旋转、噪声等的抗干扰能力得到提升，对形状的局部特性描述能力更强。
After above processing, the descriptors are insensitive to the affine transform, rotation, noise and so on. They can hold the local features well, such as corners.
实验结果表明，该算法具有较好的不可感知性，可以有效抵抗线性拉伸攻击，并且对于剪切、旋转、噪声，滤波等攻击都具有较强的鲁棒性。
The results of experiment proved that this algorithm is invisible, can efficiently against linear stretching attack, and has better robustness to crop, rotation, noise or filter attack.
马达轴26和风扇28的这种相对较低速度的旋转使得空气清洁器10在相对较低的噪声等级下运转。
Such a relatively low speed rotation of the motor shaft 26 and fan 28 permits the air purifier 10 to operate at a relatively low noise level.
在接收机处，确定所接收的数据流的相位旋转以去除残留频率误差或者估算相位噪声。
At a receiver, a phase rotation of the received data stream is determined to remove a residual frequency error or to estimate the phase noise.
提取关于坐标旋转不变的特征描述符以及提高特征描述符对噪声的鲁棒性是基于内容三维模型检索技术中有待进一步研究解决的问题之一。
How to extract the rotation invariant feature and improve the stability of the noise is still an unsolved problem of the area of content-based 3d models retrieval.
主减速器作为旋转机械设备中的一种，其常见故障类型为机器运行失稳、发生异常振动和噪声、转速发生变化等。
As a kind of rotary machine, the common types of failure about main reducing gear have machine run instability, vibration abnormality, noise and speed change, etc.
实验数据表明，该算法可抗任意角度旋转、匹配速度较快、正确率较高，而且对噪声小的尺度变化具有良好的鲁棒性。
The experimental, results show that the algorithm can against arbitrary rotation with a rather high speed and a rather high matching rate, and it is robust to scale transform with low noise.
讨论了旋转机械源(振动激励源与噪声源)混合模式及源波形恢复的问题。
Such problem as mixing model of rotating machine sources (including vibratory and acoustical source) and their waveform restoration is discussed.
其旋转式液晶显示器，它会给你所有的尼康S10的多功能性与更强大的控制和更好的噪声性能。
With its swiveling LCD, it'll give you all of the Nikon Coolpix S10's versatility along with more powerful controls and better noise performance.
本文将粗糙集理论和旋转邻域技术应用于超声心动图噪声抑制，并用定量手段做了评价。
Rough sets theory and rotating neighborhood technique were applied on echocardiographic images in this article, and quantitive methods were used to evaluate the effect of the processing.
相位相关作为一种图像匹配技术对噪声有较高的容忍程度，检测结果与照度无关，受几何失真影响小。但该方法对旋转变化非常敏感。
Phase correlation algorithm as a kind of image matching method has many advantages such as insensitive to noise, unrelated to illumination of target, immune to geometric distortion.
车牌字符分割中存在噪声干扰、边框影响、铆钉和间隔符影响、车牌旋转、光照不均等问题。
There are many factors that cause the characters segmentation task difficult, such as image noise, plate frame, rivet, space mark, plate rotation and illumination variance.
首先，对于多翼离心风机涡流噪声的降噪，主要通过优化叶轮、蜗壳的结构几何参数和在叶轮出口加装旋转扩压器等方式进行。
Firstly, the vortex noise can be reduced mainly through the optimization of the geometric parameters of the impeller and volute and installing a rotation diffuser in the outlet of the impeller.
景象匹配中，实时目标图与基准目标图之间的亮度、对比度、噪声水平以及旋转等差异是造成误匹配的重要原因。
In scene matching, false matching occurs due to brightness, contrast, scale, noise, and rotation difference between real-time target image and standard target image.
景象匹配中，实时目标图与基准目标图之间的亮度、对比度、噪声水平以及旋转等差异是造成误匹配的重要原因。
In scene matching, false matching occurs due to brightness, contrast, scale, noise, and rotation difference between real-time target image and standard target image.
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