It adopts the total least square method (TLS) to identify the complete coefficient set of the loudspeaker in time domain, thus measures low frequency characteristic of loudspeaker.
采用全面最小二乘法识别扬声器系统的时域函数的全套系数,从而测出扬声器系统的低频特性参数。
Search efficiency is improved by embedding synchronous signals into time domain. Better robustness is achieved by hiding the watermarking into the low frequency coefficient of DWT domain.
同步信号嵌入时域,以提高搜索效率,水印隐藏在离散小波变换域的低频系数中,以达到较好的鲁棒性。
While embedding watermarking, the watermarking sequences are produced by the chaos system, and are embedded into the low frequent coefficient of DWT domain to guarantee the robustness of watermarking.
该技术在水印嵌入时,由混沌系统生成水印序列,并在离散小波变换的低频子带上嵌入水印,保证了水印的鲁棒性。
Pressure data were analyzed by wavelet transform in wavelet domain. Frequency band energy spectrum and intensity index of ISW based on wavelet coefficient were obtained.
通过基于子波的分析方法,对压力数据进行了分析,获得了基于子波系数的频带能量谱和冲击波强度指数。
This paper selects the algorithm by quantifying the amplitude of the transform domain coefficient and uses this algorithm in the discrete Fourier domain and the discrete cosine domain.
在众多语音信息隐藏算法中,挑选出一种幅度量化的信息嵌入方案,分别在离散余弦和小波变换域上,通过对变换域系数的幅度量化来隐藏信息;
At the same time, the algorithm is combined with the video compressing standards, and embeds the information in the coefficient of the sub-low frequency in DCT domain, which improves the robustness.
同时算法与视频压缩算法相结合,在DCT域的次低频系数中嵌入信息,提高其鲁棒性。
In the domain of laser-matter interaction, energy coupling coefficient is defined as the ratio of absorbed laser energy to incident laser energy.
在激光与物质相互作用研究领域中,能量耦合系数定义为材料吸收的激光能量与入射总激光能量之比值,它是表征激光辐照效应的主要参数。
The main reasons are the difference of the method itself and the difference in obtained value theory domain between final safety grade and each level of grade coefficient method.
其主要原因是方法本身存在差别,且等级系数法的最终安全等级取值论域与各层次指标的安全等级取值论域不一致。
The added mass of the ship of Three Gorges project is also computed and the curves of the added mass coefficient via the different water domain are obtained.
本文对三峡工程中的实际船进入承船厢时船的附加质量系数进行了计算。
The time domain field distribution on the surface of Huygens' box was decomposed using wavelet, and the quantified coefficient of the wavelet decomposition was saved.
利用小波分解对惠更斯表面的时域切向场分布进行分解,存储经过阈值量化后的小波系数达到压缩编码的目的。
The time domain field distribution on the surface of Huygens' box was decomposed using wavelet, and the quantified coefficient of the wavelet decomposition was saved.
利用小波分解对惠更斯表面的时域切向场分布进行分解,存储经过阈值量化后的小波系数达到压缩编码的目的。
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