ID 原文 译文
40286 最后利用加权后的基分类器得到目标域的情感分类结果。 Finally, the weighted base classifier is used to obtain the sentiment classification results of the target domain.
40287 该模型在亚马逊产品评论数据集上和Skytrax数据集上进行了实验，并与6种基线模型进行了比较。 The model is tested on Amazon's product review data set and Skytrax data set, and is compared with six baseline models.
40288 实验结果表明，本文方法相比基线模型，在8个不同目标域的实验中分类性能均有明显提升。 Experimental results show that compared with the baseline model, the classification performance of the proposed method is significantly improved in eight different target domains.
40289 针对传统高分辨率谱估计法估计远场声源波达方向(Direction of arrival，DOA)时计算量大、对相干信号估计失准的问题，本文提出一种改进的基于圆形麦克风阵列和四阶累积量的声源二维DOA估计算法。 In order to solve the problem that the traditional high resolution spectral estimation methods estimate the direction of arrival(DOA)of far field sound source with large computation and inaccurate estimation of coherent signals, a two-dimensional DOA estimation method based on circular microphone array and fourth-order cumulant is proposed.
40290 该算法结合了圆阵定位无死角的优势和矩阵虚拟扩展获得更多声源定位信息的长处。 The algorithm combines the advantages of circular array location without dead angle and matrix virtual extension to obtain more information of sound source location.
40291 首先利用模式空间变换将均匀圆形阵列(Uniform circular array，UCA)虚拟化成2K+1个均匀线性阵列(Uniform linear array，ULA)，并应用空间平滑技术将虚拟线性阵列划分成L个子阵； Firstly, the uniform circular array(UCA)is virtualized into 2 K+1 uniform linear arrays(ULAs)by means of pattern space transformation, and the virtual linear array is divided into L subarrays by space smoothing technology.
40292 接着利用四阶累积构造方法提取有效阵元信息并去掉冗余数据，通过重构矩阵得到新的接收数据； Then the fourth order cumulative construction method is used to extract the effective matrix information and remove the redundant data.
40293 最后通过MUSIClike算法搜索谱峰获得声源信号的方位角和俯仰角。 Finally, the azimuth and pitch angles of the acoustic source signal are obtained by the MUSIC-like algorithm.
40294 仿真结果表明：在信噪比(Signal-to-noise ratio，SNR)较低时，相比传统的高分辨谱估计算法，本文算法可实现对远场相干信号的高精度估计； The simulation results show that the proposed algorithm can achieve high-precision estimation of far field coherent signals compared with traditional high-resolution spectral estimation algorithms when the signal-to-noise(SNR)ratio is low.
40295 同时本文算法也具有更低的均方根误差性能，且能有效减少运行时间。 At the same time, the algorithm also has lower root mean square error performance and can effectively reduce the running time.