ID |
原文 |
译文 |
20705 |
在预处理阶段,借助排序池化的方法聚集视频中的运动信息,生成近似动态图像。 |
In the preprocessing stage, the motion information in a video isgathered by the rank pooling method to form approximate dynamic images. |
20706 |
在全连接层前设置对特征信息进行水平翻转结构,构成无融合模型。在无融合模型的基础上添加第2层的输出特征与第5层的输出特征融合结构,构造成跨层融合模型。 |
Two basic models are presented.One model with two horizontally flipping layers is called “non-fusion model”, and then a fusion structure of the second layer and the fifth layer is added to form a new model named “cross layer fusion model”. |
20707 |
训练时,对无融合模型和跨层融合模型两种基本模型采用3种数据划分方式以及两种生成近似动态图像顺序进行训练,得到多个不同的分类器。 |
The two basic models of “non-fusion model” and “cross layer fusion model” are trained respectively on three different data partitions. The positive and negative sequences of each video are used to generate two approximate dynamic images. |
20708 |
测试时使用多个分类器进行预测,对它们得到的结果进行投票集成,作为最终分类结果。 |
So many different classifiers can be obtained by training the two proposed models using different training approximate dynamic images. In testing, the final classification results can be obtained by averaging the results of all these classifiers. |
20709 |
在UCF101数据集上,提出的无融合模型和跨层融合模型的识别方法与动态图像网络模型的方法相比,识别率有较大提高; |
Compared with the dynamic image network model, the recognition rate of thenon-fusion model and the cross layer fusion model is greatly improved on the UCF101 dataset. |
20710 |
多模型投票的识别方法能有效缓解模型的过拟合现象,增加算法的鲁棒性,得到更好的平均性能。 |
The multi-modelvoting method can effectively alleviate the overfitting of the model, increase the robustness of the algorithmand get better average performance. |
20711 |
在射电望远镜和卫星通信天线中,圆极化器是关键部件之一。 |
Circular polarizer is a key component in feed systems with circular polarization in radio astronomytelescope and satellite communication antennas. |
20712 |
传统圆极化器在保证0.75 dB轴比时的相对带宽最多为41%,无法满足日益增长的宽频带应用需求。 |
Conventional polarizers are capable of operating over a maximum bandwidth of 40% with an axial ratio value of 0.75 dB, which is unable to meet the growing demand for wide band applications. |
20713 |
该文利用四脊波导的宽带特性,通过采用具有不同尺寸的水平脊和垂直脊,使四脊波导两个正交主模的相位常数不同,来实现宽带移相特性,并给出了一种宽带四脊波导圆极化器的设计方法。 |
In this paper, the design of the wide band quad ridges waveguide polarizer is introduced, and the relationship between the phase constants of two orthogonal principal modes is analyzed.The broadband phase shift characteristics are achieved by employing different horizontal and vertical ridges dimensions. |
20714 |
按照这一方法,设计了一款宽带C波段圆极化器,工作带宽为3.625~7.025 GHz,相对带宽64%。 |
Based on this method, a C-Band polarizer is designed, which operates at 3.625~7.025 GHz, 64%bandwidth. |