泡沫混凝土耗能层能够明显减小结构的动力响应,可以用来构筑较理想的结构消波吸能型式。
The dynamic response of tunnels can largely be reduced by the foamed concrete backfill layers, which can be used to construct a sort of ideal energy absorption support structure.
液压系统的冲击、振动和噪声是系统中常见的弊端,采用消波器是减小系统冲击噪声的有效方法。
Impulse, vibration and noise are ordinary troubles in hydraulic system, which is an available measure to reduce impulse noise while wave attenuator is used in the system.
文章基于小波变换的消噪原理,结合待测信号的特点,创造性地提出一种适用于捷联寻北仪的小波消噪法。
Base on wavelet denoising theory as well as the characteristic of the signal, a wavelet denoising method applied to Strapdown north seeking system was proposed.
对线性叠加在中值系列中的平稳随机噪声,用默认软阈值小波消噪平滑中值序列中的随机噪声分量。
As for the stable stochastic noise component linearly superposed on the median series, it is smoothed by means of the default soft threshold wavelet de-noising.
试验结果表明,开孔直立结构具有波压力小、消能效果好的优点。
Experimental results show that vertical perforated structure have the advantages of small wave pressures and good effect of energy dissipation.
对在波浪单独作用和波、流共同作用时,浮堤的消浪性能和锚链张力进行比较性试验,并对浮堤在波浪单独作用下的运动轨迹进行描述。
The contrast tests were used to show the effect of wave dissipation and the strain of the mooring anchor chain of the floating breakwater under the wave and wave-current respectively.
提出一种基于正交小波变换的自适应语音消噪改进方法,这种方法可以提高自适应语音消噪过程的收敛速率。
An improved method based on orthogonal wavelet transform for adaptive speech denoising is proposed, which can increase the convergence rate of the adaptive speech denoising process.
采用波差法进行复消色物镜的光学设计。
Optical design of apochromatic objective used wave disparity method in this paper.
为减少码头前沿的反射波高,巧妙地在卸荷板和胸墙中设置进、出水孔和消浪室。
Water inlet&outlet and wave breaking chambers are arranged for relieving slab and breast wall to reduce the reflected wave height alongside the berth.
目的观察阿卡波糖合用六味能消胶囊降低餐后血糖、改善胰岛素敏感性的作用。
To observe the effect of combination therapy of acarbose and Liuwei Nengxiao capsule (LWNXC) in improving senile postprandial hyperglycemia and insulin sensitivity.
最后本文对小波消噪的参数设置问题进行了分析,对不同参数选择后的结果进行了比较后得出了结论。
Finally, the parameter setups for wavelet de-noising function are analyzed in the thesis, and the different results with different parameters have been compared each other for the final conclusions.
在分析小波变换消噪原理和方法的基础上,研究了影响小波变换消噪效果的两个主要因素:小波基函数和阀值。
Probed into the two factors of the signal de-noising effect basing on the wavelet transform basing on the analysis of the theory and methods of the wavelet transform: wavelet function and threshold.
以其他波段的几何信息辅助噪声污染波段重构,经过相应的小波重构滤波器滤波,获得该波段图像的重建以进行消噪。
Assisted by other bands high frequency geometric information, reconstruct noise band image with wavelet reconstruction filter to de-noise noise band image.
试验结果表明,在选择了适当的小波基函数和阈值的情况下,采用小波变换的消噪方法对舰船辐射噪声信号进行消噪处理,可以取得良好的效果。
The results prove that we can get a very effective outcome by the method of wavelet transformation if the adaptive wavelet base and threshold value are chosen.
图像的消噪实验表明,小波变换用于图像消噪效果优于均值滤波,与中值滤波去噪相比无明显差别。
Image denoising experiments show that wavelet transform for image denoising is better than mean filtering, no significant difference compared with median filter.
调制晶体的性能好环,通常是由半波电压和消光比这二个量来表征的。
The "half-wave voltage" usually was used to assess the modulated property of different eleetrooptic crystals.
在数据预处理中引入小波变换对交通流数据进行消噪处理,以提高数据的准确度。
Wavelet transform is introduced into traffic flow data preprocessing to enhance data accuracy. And the BP neural network predicts the future traffic flow velocity using the historical data.
邻边比率法可以有效的消弱比例误差对测距的影响,使电磁波测距的精度得到提高。
The ratio between adjacent sides can effectively decrease affection of the proportional errors in distance measuring, and the accuracy may be increased.
并且当波片级数较低时,偏振消光比对温度变化不敏感。
When the series of wave plate is low, the polarization extinction is not sensitive to temperature.
分析了激光成像雷达系统中所成的散斑像的乘法模型 ,并在此基础上利用一基于小波的同态滤波器对被散斑污染的图像进行了消噪处理。
In this paper, multiplication model of speckle image in imaging lidar is analyzed, and then suppression processing for the speckle image is finished by homomorphic wavelet filter.
采用小波变换消噪技术首次应用到中药二维相关红外光谱的数据处理中。
Wavelet analysis and wavelet denoising was applied to analyse the data of two dimensional correlation ir spectroscopy of traditional Chinese medicine for the first time in this article.
针对三缸往复泵测量信号非平稳时变特点,研究了用小波消噪方法提取反映往复泵动力端状态的振动波形特征。
With a view to time_varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects th...
本文提出了一种基于正交小波变换的自适应语音消噪改进方法,这种方法可以提高自适应语音消噪过程的收敛速率。
A method of adaptive speech denoising based on orthogonal wavelet transform is proposed in this paper. This method can increase the convergence rate of the adaptive processing.
本发明的消倍频晶体波片效应的腔内倍频激光器涉及腔内倍频激光器领域。
The invention discloses an intracavity frequency doubling laser for eliminating frequency doubling crystal wave-plate effect, which relates to the field of intracavity frequency doubling lasers.
本文用带消隐线的方法在二维平面上来描绘三维曲面,例如波表面等。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
本文用带消隐线的方法在二维平面上来描绘三维曲面,例如波表面等。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
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