The new method is able to achieve better estimation performance, with the help of wavelet de-noising under the environment of low SNR under certain satellite ephemeris, the estimation accuracy is also improved.
该方法在卫星星历精度一定的条件下,利用小波去噪特性,能够在低信噪比环境下有效的估计出接收信号的TDOA参数值,提高估计精度。
参考来源 - 卫星干扰源定位参数TDOA和FDOA估计方法的研究Choose the multi-scale invariant wavelet de-noising translation method as magnetic memory signal de-noising means.
本文最终选择多尺度平移不变量小波去噪法作为磁记忆检测信号的去噪手段。
参考来源 - 磁记忆检测机理与信号的小波去噪技术的研究The basic theory of the wavelet transformation and the wavelet de-noising would be introduced in detail, and we got the ECDDMA extraction process and the algorithm.
详细介绍了小波变换和小波降噪的基本理论,并得到了ECDDMA系数的提取过程及算法。
参考来源 - 基于小波变换和GMM的病态嗓音特征提取及识别研究Through the interface between VC++ and MATLAB, wavelet de-noising function of MATLAB is called for the algorism for de-noising. The experiment for the virtual instrument has been performed.
对研制的虚拟仪器进行了实验测试，结果证明：小波消噪对信号噪声的滤除有显著的效果。
参考来源 - 基于USB接口的虚拟仪器设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Translation invariant(TI)wavelet de-noising method is an improved method of wavelet thresholding shrinks; it can suppress Pseudo-Gibbs artifacts effectively.
图像的平移不变量小波去噪法是小波收缩阈值去噪法的改进，能够有效抑制小波阈值去噪过程中出现的伪吉布斯现象。
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.
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。
Wavelet de-noising system based on the existing hardware and software platform, designed and implemented for the daily operation of automatic speech synthesis software.
并在小波去噪的基础上，在现有的硬件软件平台上，设计实现了适合日常化运作的语音自动合成软件。
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